Windows error 0x00000004, 4

Add icon tray on Windows using native Golang API

I'm developing a daemon with no UI apart from a simple icon in the Windows systray. I would like to have no dependencies on any other package(s), so I'm trying to use the syscall package and implement the necessary call(s) by myself. DOCUMENTATION * After some research, I think that [...] read more

Map network drive programmatically in C# on Windows 10

I followed the approache to map a network drive programmatically in the following link:Mapping Network Drive using C# The drive seems to be connected correctly because I can query directories and files within C#. BUT I do not see the drive on my computer. My target is to map certain [...] read more

Ubuntu load average spikes but CPUs are idle

We have a server on a cloud network, provided by a third party. We are running Ubuntu 10.04 Server Edition. The problem happens at seemingly random times, around one to three times a day. The load average in top usually sits around 2 and the server runs peachy, but at [...] read more

Check if a field has been set in protocol buffer 3

I am migrating a java application from protocol buffers 2 to protocol buffer 3. In proto 2 to check if a field is set you have hasfield() method for which an example Java code generated is: public boolean hasText() { return ((bitField0_ & 0x00000004) == 0x00000004); } However in proto [...] read more

Windows metro apps not working after renaming default user account

I just renamed my main user (belongs to administrators), and now many metro apps including the Store-App won't open. The outer border appears but then they crash and disappear. A second user that I created afterwards doesn't have this problem. So something is broken in my main user account. Those [...] read more

Detect if external process' window is flashing/blinking

How can I detect when a process that I'm not controlling is flashing due to some notification in it. I've seen only solutions that focus on an application that you have control over. In my case, there might be multiple instances of said process active at once and just one [...] read more

From Raku/Perl6, how to read this registry key?

Windows With Raku/Perl6, how do I use NativeCall to read the value of [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ "EnableLUA"] with RegQueryValueExW? https://docs.microsoft.com/en-us/windows/win32/api/winreg/nf-winreg-regqueryvalueexw Many thanks, -T edit 12-27-2019 #1: removing bad code and inserting new code This is how far I have gotten. Test run string: K:\Windows\NtUtil>perl6 -I. -e "use WinMount :GetLUA; say GetLUA();" RegOpenKeyExW [...] read more

Getting key names for keyboard codes in Swift

I know others have asked similar questions, but I haven’t seen a definitive answer, and I’m still stuck. I’m trying to write a Swift function that takes a hardware-generated keyboard scan code, such as from an NSEvent, and returns the alpha-caps-locked name of the key, for the particular key arrangement [...] read more

Waste in memory allocation for local variables

This my program: void test_function(int a, int b, int c, int d){ int flag; char buffer[10]; flag = 31337; buffer[0] = 'A'; } int main() { test_function(1, 2, 3, 4); } I compile this program with the debug option: gcc -g my_program.c I use gdb and I disassemble the test_function [...] read more

"Anomaly" in signed integer in C

I'm currently writing a lecture on ARM optimization, specifically on vector machines such as NEON as the final target. And since vector machines don't fare well with if-else slaloms, I'm trying to demonstrate how to get rid of them by bit-hacking. I picked the "saturating absolute" function as an example [...] read more

gcc arm executable "no such file orr directory", wrong dynamic lib

I am trying to make a usable setup for gcc-linaro-arm-linux-gnueabihf-4.8-2013.11 on windows. Something happens at dynamic link: $(CC)-gcc -o test main.c -Wall -lc The program compiles fine, but when deployed to ARM shows: "No such file or directory" Searching the issue, seems that static build works but executable is huge: [...] read more

How to send an SMS from Debian command line?

I have a 4G wwan modem (Fibocom L850GL) with a valid SIM card on a Debian PC. I have modem-manager-gui and I can send SMS with it. modem manager gui help send SMS from linux with a GUI [https://i.stack.imgur.com/Rgfy6.png] How can I do the same from the command line? I [...] read more

Visual Studio debugger doesn't display std::string properly in debug

Me and my team are having an issue with Visual Studio displaying gibberish instead of proper string contents when I pause my program. The string inside has correct data, it's just that the debugger of VS gets lost somehow. I marked the correct contents in green, incorrect in red. std::string [...] read more

How to fwrite and fread endianness independant integers, such that I can fwrite and fread on many machines and always have the same result

fwrite an integer depends on endianness, but is there a way to write an integer 0x00000004 to a file such that it can be fread always as 0x00000004 regardless of machine it's run on. * One thought is to write the first bit, then second, then third always in a [...] read more

Why is there a memory space between my function local variables in the stack?

I have a C program compiled with gcc on Ubuntu x86. This is a function I am calling from main void addme() { long a = 5; char c = '3'; long array[3]; array[0] = 2; array[1] = 4; array[2] = 8; } If I break at last line, and [...] read more

App exits instead of going to next activity

I am calling an activity through a simple intent: Intent startNewActivityOpen2 = new Intent(this, TransitionLandscape.class); if (extras != null) { if (!extras.isEmpty()) { startNewActivityOpen2.putExtras(extras); } } startActivity(startNewActivityOpen2); Does it matter that this current activity is also TransistionLandscape.class? The app exits (without crashing) when I start the new activity. Going through [...] read more

"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message

One of my server (Ubuntu 12.04, 16CPU, 32GB RAM) runs the app section of my website (Nginx 1.1.19, PHP5-FPM, Php 5.3.10, Symfony2 Web Framework) Suddenly, users started getting HTTP 5** Errors. When I went on the server, there was huge disk IO and the culprit was [flush]. When I went [...] read more

Large write with dd fail on RAID-5

I have a server with a RAID controller which connects to a JBOD over SAS. JBOD is populated with 16 SAS-HDDs of 3TB (8 of one make and 8 of other, same rpm). I have configured 3 logical drives with RAID-5, each having 5 physical HDDs (+1 as hot-spare). Now [...] read more

Windows 10 - Remote access failed error. Start Menu, Action Center, Cortana, cannot be opened

After receiving some updates from windows, right when i'm clicking one of the Start Menu, Action Center, Volume , Battery, LAN Button in the taskbar here is the log that i receive from event viewer. Event Viewer > Windows Log > Application Event ID 1000 (Application Error) > Faulting application [...] read more

Upgrade from Windows 7 Enterprise to Windows 8 Enterprise

I tried to upgrade a Windows 7 Enterprise to Windows 8 Enterprise, however it fails a quarter of the way through the initialization process. Could this have something to do with the Assembly cache? This is the error: Error MigGather caught exception: Win32Exception: Falscher Parameter. [0x80070057] void __cdecl Mig::CGACRootEnum::Reset(void) Error [...] read more

First-chance exception at ...: Access violation reading location ... when debugging using Visual Studio 2010

I try so hard to catch from legacy code access violation keep getting : First-chance exception at 0x57e77e1c in YouTubeLocal.exe: 0xC0000005: Access violation reading location 0x0000000c. My stack looks like this: Qt5Guid.dll!57e77e1c() [Frames below may be incorrect and/or missing, no symbols loaded for Qt5Guid.dll] Qt5Guid.dll!57e75604() Qt5Guid.dll!57ed520b() Qt5Guid.dll!57dcf18b() > msvcr100d.dll!_unlock(int locknum=0x00000004) [...] read more

Mac Os 10.13 logs me out randomly | Help reading logs

Apparently out of the blue, I have started to experience random crashes on my Mac Pro 4.1, flashed to 5.1. It's running High Sierra 10.13.6 (17G9016), with 48Gb of Ram and two cards (one GT120 and a flashed MacVidCard Titan X Pascal). It is a soft crash in the sense [...] read more

byte[] to 0x hex string with fnv1a32

I am trying to port the following python code to c# import os import sys import ctypes FNV32_PRIME = 0xB3CB2E29 FNV32_BASIS = 0x319712C3 def uint32(v): return ctypes.c_uint32(v).value def fnv1a_hash(data): hval = FNV32_BASIS for i in range(0, len(data)): hval = uint32(hval ^ data[i]) hval = uint32(hval * FNV32_PRIME) return hval print("starting") [...] read more

Android application died when using OpenCV

I'm using OpenCV for my application (third tutorial - camera control - from OpenCV samples). private int frameRate = 0; public Mat onCameraFrame(CvCameraViewFrame inputFrame) { mGray = inputFrame.gray(); if (frameRate == 20){ String rec = NativeLib.recognize(0,mGray.getNativeObjAddr(),mNetworkPath); //Core.putText(mGray, rec, new Point(50,50), Core.FONT_HERSHEY_SIMPLEX, 1.0, sc,2); frameRate = 0; } ++frameRate; return mGray; [...] read more

Using grub in floppy image file to start your own kernel inside bochs

Basically I've followed the instructions here http://sig9.com/bochs-grub to create a bare image file which does nothing but lets the BIOS start GRUB. The problems are: * The kernel I am writing will be 32-bit, using http://www.jamesmolloy.co.uk/tutorial_html/index.html for a start, but my host (physical) machine is x86_64 with bochs configured like [...] read more

How to specify to createfilew function get uncached result?

I need to check whether a file (on a remote server via UNC path) exists or not (permission is not a problem here; I make a required impersonation etc.). I use CreateFileW function for creating file handle. I've also tried GetFileAttributesEx but the behavior is the same. HANDLE CreateFileW( LPCWSTR [...] read more

My program is crashing at 0x16 even with my ROP chain

So I recently started working on my binary which is vulnerable to Use-After-Free. I found it too easy to just jump to secret(). So I added a variable to the _DATA section and set its value to 0. and then I added a hard coded check in secret: if(check == [...] read more

VXFS (veritas) File system filling up - except it's not

I have a Solaris 10 server which is reporting that a file system is filling up: # df -h /opt/CSCObac/var Filesystem size used avail capacity Mounted on /dev/vx/dsk/RDU-VAR-DG/RDU-VAR-VOL # df -F vxfs /opt/CSCObac/var/ /opt/CSCObac/var (/dev/vx/dsk/RDU-VAR-DG/RDU-VAR-VOL): 4469796 blocks 558723 files # df -h | fgrep '/opt/' /dev/vx/dsk/RDU-APP-DG/RDU-APP-VOL 68G 547M 63G 1% [...] read more

Bing Food & Drink app always crashes

My Food & Drink app that came pre-installed on my Windows 8.1 PC keeps crashing to the start screen immediately after opening. Other Bing-based apps work fine. I've taken several steps to try to fix this, but to no avail. I know there're about three duplicates of this, but none [...] read more

Safari dosen't open anymore "reopen"

I cant open Safari anymore! :( Every time I try it opens a window with this message instead: Process: Safari [336] Path: /Applications/Safari.app/Contents/MacOS/Safari Identifier: com.apple.Safari Version: 8.0.2 (10600.2.5) Build Info: WebBrowser-7600002005000000~1 Code Type: X86-64 (Native) Parent Process: ??? [1] Responsible: Safari [336] User ID: 501 Date/Time: 2014-12-22 22:12:30.768 +0200 OS [...] read more

Windows 8.1 apps Calculator, Alarms, Weather (just a few) crash immediately when opened

When I open some apps from the Start Screen in Windows 8.1, it just closes right away and brings me back to Start. It won't show me why it closed at all, but I looked in Event Viewer and it says in the description of the event: Activation of app [...] read more

struct inode_operations permission function arguments

I'm trying to implement permission management for my device driver and found the following official Kernel documentation related to struct inode_operations: struct inode_operations { //... int (*permission) (struct inode *, int); //... }; The documentation for the permission function: > called by the VFS to check for access rights on [...] read more

Normalizing a two complement number

I am working on some Tensilica processor and I don't understand the normalization process. NSA - Normalized Shift Amount Usage: NSA at, as NSA calculates the left shift amount that will normalize the twos complement contents of address register as and writes this amount (in the range 0 to 31) [...] read more

WM_TOUCH event not received anymore after screen disconnection

I have a C# application handling touch by hooking to the Windows API message loop and listening to WM_TOUCH event. It work perfectly except when the screen is disconnected or switch off. Windows OS still has touch but the application don't receive touch event anymore. Here the code used. On [...] read more

Cancel curl_easy_perform while it is trying to connect

Is there a way that I can cancel a curl_easy_perform in C++?? I have a scenario where I am trying to connect to network resource that is offline and the curl_easy_perform take a certain amount of time before it returns CURLE_COULDNT_CONNECT. But in the meantime the user has closed the [...] read more

Why do I get the Debug exception reason: Stack canary watchpoint triggered (main)?

I'm writing a program for esp32-wroom-32 using esp-idf-v3.0. I'm trying to add logs, which will be saved in fatfs. After some logs I get: 21:54:21.306 -> Debug exception reason: Stack canary watchpoint triggered (main) 21:54:21.306 -> Register dump: 21:54:21.306 -> PC : 0x40089827 PS : 0x00060b36 A0 : 0x40082179 A1 [...] read more

Monotouch sqlite crash when inserting a lot of rows

I've an app built with xamarin iOS. The database is sqlite. Both in simulator and device, after the app starts to work on data, it gives me a SIGSEGV error. Stacktrace: at (wrapper managed-to-native) Mono.Data.Sqlite.UnsafeNativeMethods.sqlite3_prepare (intptr,intptr,int,intptr&,intptr&) at Mono.Data.Sqlite.SQLite3.Prepare (Mono.Data.Sqlite.SqliteConnection,string,Mono.Data.Sqlite.SqliteStatement,uint,string&) [0x00044] in /Developer/MonoTouch/Source/mono/mcs/class/Mono.Data.Sqlite/Mono.Data.Sqlite_2.0/SQLite3.cs:268 at Mono.Data.Sqlite.SqliteCommand.BuildNextCommand () [0x00019] in /Developer/MonoTouch/Source/mono/mcs/class/Mono.Data.Sqlite/Mono.Data.Sqlite_2.0/SQLiteCommand.cs:230 at Mono.Data.Sqlite.SqliteCommand.GetStatement [...] read more

Why static final int is used in android standard classes avoiding enum?

In standart android classes static final int vars is used to represent different flags. For example, View visability flags: /** @hide */ @IntDef({VISIBLE, INVISIBLE, GONE}) @Retention(RetentionPolicy.SOURCE) public @interface Visibility {} /** * This view is visible. * Use with {@link #setVisibility} and <a href="#attr_android:visibility">{@code * android:visibility}. */ public static final [...] read more

stm32l476 ADC not ready

I am trying to bring up one of the ADC's on the STM32L476 Nucleo board. I think i have things configured ok, but i must be missing a step. I know this can be done use the HAL API and CubeMX, but i prefer register level access when bringing up [...] read more

Why doesn't reading back from the address of an int give me back the correct value of the int (C & gdb)

I have a c program that I am debugging with gdb. This is done on Ubuntu x86 and c program is compiled with gcc. I declare two int variables one after other int a = atoi (argv[1]); int b = atoi (argv[2]); The values I pass to these are 2 [...] read more

How hook touch event globally and know X Y position of a touch?

Need pickup the position X Y of touch over the screen on Windows 10, outside of my wpf app. I read in some post can use RegisterPointerInputTarget I try redirect all touch to my app. Is supposed use RegisterPointerInputTarget should so easy as the code I show, bu not work [...] read more

Kernel panic with exitcode=0x00000004 after /init

I have an embedded ARM system with processor AT91SAM9G45. I try to build linux kernel with initramfs for this system. Kernel version is 4.14.79. After loading kernel and initramfs image at device I have following: 1. Kernel definitely finds out initramfs image, unpacks it and sets it into memory. 2. [...] read more

Alternative to dynamic creation of variable names

I have a header file (not written by me, which I cannot change) which contains definitions in the following format: #define SPC_TMASK0_NONE 0x00000000 #define SPC_TMASK0_CH0 0x00000001 #define SPC_TMASK0_CH1 0x00000002 #define SPC_TMASK0_CH2 0x00000004 #define SPC_TMASK0_CH3 0x00000008 #define SPC_TMASK0_CH4 0x00000010 #define SPC_TMASK0_CH5 0x00000020 #define SPC_TMASK0_CH6 0x00000040 #define SPC_TMASK0_CH7 0x00000080 #define SPC_TMASK0_CH8 0x00000100 [...] read more

FreeIPA Unable to establish trust with Active Directory

I am trying to establish a trust between FreeIPA and Active Directory. Details on the infrastructure: * 3 x IPA Servers all with replication between eachother (CentOS 7) * 3 x Domain Controllers for AD (Windows Server 2016) When attempting to run the following command: ipa trust-add --type=ad ad.example.net --admin [...] read more

Chrooted from LiveCD: Bad IO performace

my Ubuntu Server installation is broken, so I grabbed a Ubuntu Desktop CD, mounted my Ubuntu installtion on my hard disk and chrooted into it. But now my IO performance is really bad: # time dd if=/dev/zero of=/tmp/foo count=1 1+0 records in 1+0 records out 512 bytes (512 B) copied, [...] read more

Apps crashing with EXC_BAD_ACCESS when changing to a custom keyboard layout

I have a custom layout installed (svdvorak_mac6.keylayout). After a reboot another keyboard layout was selected, so I selected my usual one instead. This lead to a lot of apps suddenly starting to crash (Chrome, Skype, Adium etc). I can change to any other built in layout for OS X, but [...] read more

Force NetworkManager to restart and reload network drivers without a reboot

I have a recurring issues with NetworkManager and its dependent components that always fail when I don't have time to debug or fix the issue. I'm trying to figure-out how I can aggressively restart and unload / load both the kernel modules to restart NetworkManager. Think of it as soft [...] read more

How can I remove LibUSB on Windows 7?

I've installed LibUSB, a software that modifies your USB driver so that programs can access it easily. I didn't know that in Windows 7 you have to run it in compatibility mode for Windows XP, so now my Windows 7 can't access any USB port (including keyboard and mouse). Now [...] read more

EnumProcessModules returns 0 with error 299

I'm currently trying to enumerate all the modules of a supsended 32-bits process I've previously created from my 32-bits program, my Windows is 64-bits. (I've already read all the other topics on that problem). Here is the code: let a = CreateProcessA( "C:\\Program Files (x86)\\GlassWire\\GlassWire.exe\0".as_ptr(), null_mut(), null_mut(), null_mut(), false, 0x00000004, [...] read more

Nativescript - iOS build fails with error code 2

I have been trying to build the iOS version using Nativescript sidekick for two days now without luck. It used to build just fine in the past. Environment information 1. Sidekick Version: 1.19.2-v.2019.11.18.2 (latest) 2. NativeScript CLI version: 6.2.2 3. CLI extension nativescript-cloud version: 1.19.3 4. CLI extension nativescript-starter-kits version: [...] read more

FDT (Flattened Device-Tree): Property name (strings): Comma terminated string instead of NUL character

I have started to write a library for reading FDT (DTB) format files, but run into a problem with a test DTB file. The DTB file is form a board (Digilent ZYBO-Z7) which I own. I compiled the source device-trees from the actual Linux Kernel. There are two property names [...] read more

Explanation of st_flags bits

I'm writing a python script to delete files on MacOS, and I run into SIP protected files. I know the presence of st_flags more than likely mean I can't delete the file. Like here: >>> os.stat(f).st_flags 524288 But I'm curious to know what that actually means. I looked in stat.h [...] read more

Find the cause of 'SEGV on unknown address', cause by READ access

I'm writing a Splay Tree implementation. Code compiles just fine in VS, but the testing system fails with DEADLYSIGNAL. The specific input for testing is: search 66 min max set 1 20 print Here is the full code: #include <iostream> #include <sstream> #include <stack> #include <queue> #include <cmath> struct Node [...] read more

Unity Android crash after loading splash image

Model : JP5 MINI CPU : 2x ARM Cortex-A9 912Mhz GPU : Mali-400 MP2* Screen : 480x272 RAM : 1024MB OS: Android 4.2 Ratio : 16:9 PPI : 128.3PPI DISPLAY SIZE : 3.74" x 2.12" = 7.93in² ( 9.5cm x 5.38cm = 51.17cm² ) at 128.3 PPI, 0.198mm dot pitch, [...] read more

Unity android app crash on launch, need guide on the crash log

I would like to start my app without any problem. Currently, when I press on my app, it instantly popout 'Unfortunately, MyGame has stopped' without even going into the app. PS: I'm using Android Studio Virtual Machine with Android 4.2 armeabi-v7a. These are the crash log. > 02-11 11:38:56.709: D/AudioHardware(92): [...] read more

How to get hardware ID when enumerating with Windows Media Foundation

I am using MFEnumDeviceSources() to enumerate attached devices and I am looking for a specific web camera of which I have two connected. The enumeration works fine and I can print the Friendly Name which is FLIR Video for both my cameras. I am struggling to figure out how to [...] read more

Linking error while cross compiling Qt5 for Beaglebone

Dear stackoverflow community. I'm cross-compiling Qt 5.12 for my Beaglebone Black with EGL support. The host OS is Ubuntu 18.04.1 LTS (x64) running in a VM. I have installed any possible dependcies (I could find in different posts) on the target (and some on the host as well) and copied [...] read more

how to authenticate to proxy with wininet.dll?

I have this code for connect a process to proxy, but it returns false: The code works if I do not enter username and password in SetConnectionProxy() and send only the two options PROXY flags and PROXY name. When I add the INTERNET_PER_CONN_OPTION set username and set password, it returns [...] read more

ReadConsoleInputA throws an Access Violation

I am trying to learn how to use the windows api (instead of just using C calls, irvine32 or masm32) And are running into issues with ReadConsoleInputA (WriteConsoleA works fine). Also, I don't get why in the PROC prototype for the function, most examples append either an A or a [...] read more

How to enable UART Interrupt in imx6q?

I am using I.MX6Q Sabre SD board. I am trying to build custom image with my own start script and ld script. The image is to be loaded with u-boot. I am trying to enable the UART receive interrupt for UART1. But it does not enter the Interrupt service routine. [...] read more

Cannot write to serial

I am using the ESP32 DevKitC-v1 (clone) with FreeRTOS and attempting to write bytes to the serial port. My code (below) causes the following exception: Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled. Core 0 register dump: PC : 0x400ea8fe PS : 0x00060730 A0 : 0x800eb825 A1 : [...] read more

Python 3 - comparing enums against hex value

as newbie to python and hex based enums, I'm trying to wrap my head around something. My scenario is that I have a device that is sending me flags and I'm trying to determine which flags are set. I'm using python 3.7. I've play around with the Python enum(Flag) class [...] read more

Firebase C++ admob crash for android release build in cocos2dx 3.17

I have configured Firebase Admob in cocos2dx 3.17 version. I will be able to see test ads when debug build. I have set the following dependancies. implementation 'com.google.firebase:firebase-ads:17.2.0' implementation 'com.google.android.gms:play-services-ads:12.0.1' implementation 'com.google.android.gms:play-services-base:16.1.0' I have created an Android release build using android studio. When I launch a release build on the [...] read more

Trouble Converting Smart Card Program to UWP

I'm working on converting what was originally a web forms .NET application to UWP. The application is for using company-issued badges to record meeting attendance instead of our current paper sign in sheets. The original program uses an Omnikey 5427 CK in keyboard wedge mode and has no problems. For [...] read more

Problem compiling IDL created with OleView

To correct a problem with the name of the value for the enum, after searching, that I need to modify the TLB file of my DLL. The first step that I need to do is to create the IDL file. So I use Oleview to create the file. Before doing [...] read more

How to find a WACOM tablet screen?

I trying to fill Wacom tablet screen with my application. How can I find this screen working area? At this moment I just trying to find this screen by Device Friendly name using ScreenInterrogatory class (code below), but it requires me to know device name. I looking for a way [...] read more

How to track EXC_BAD_ACCESS (SIGSEGV) error?

I got this crash when debugging my project using Xcode, but I cannot find the way to resolve this issue. The app itself didn't force close, but my xcode stop debugging when this problem showing. I've tested on another mac (same Xcode version) and it do same thing (debugger crash, [...] read more

Unable to configure/start mssql-server

I get an error after following this guide: https://computingforgeeks.com/how-to-install-ms-sql-on-ubuntu-18-04-lts/ and running the configuration command. I've searched for a couple hours trying to find the specific issue I have but I can't seem to find anything. I believe it's something to do with me running Ubuntu 18.10 because installing mssql inside [...] read more

Routing from LAN into OpenVPN

I need to set up a route from our local network into our VPN. That is, anybody from inside the LAN should be able to communicate with machines in the VPN, without being a VPN client itself. Problem is, I'm somewhat of a dummy when it comes to networks... The [...] read more

Linux Kernel messages in log - disk write seems to be hanging on database

I was having database issues whereby commits were not completing (PostgreSQL) and it seems to be related to these messages that are filling up my server log: Jan 30 02:29:45 server001 kernel: [3521062.240540] postgres D 0000000000000000 0 23220 8154 0x00000004 Jan 30 02:29:45 server001 kernel: [3521062.240550] ffff8800174c9d08 0000000000000082 ffff88041cd24728 0000000000015880 [...] read more

Why doesn't pppd over ssh work here? Why can't I kill pppd?

I'm trying to setup a simple ppp tunnel over ssh. It works on several machines just fine. But on one machine, pppd gets "stuck": > pgrep pppd | xargs ps up USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 4178 0.0 0.1 3020 1088 pts/1 Ds+ [...] read more

Mystery stack traces in /var/log/messages

I am seeing the following messages in my server's /var/log/messages. They look like stack traces and are not preceded by any narrative (e.g. "such-and-such has gone wrong"). I am almost certain they are related to I/O problems I am experiencing, but it would be instructive to understand what exactly these [...] read more

IIS crashes at startup - inetinfo.exe - memory could not be read

Running * Windows XP SP3 * IIS 5.1 I get this error when I boot my PC. Application popup: inetinfo.exe - Application Error : The instruction at "0x5aa3b134" referenced memory at "0x00000004". The memory could not be "read". when I try to navigate to a http://localhost/ I get this error [...] read more

App "Hay Day" doesn't start in Genymotion

I'm trying to run the app "Hay day" in Genymotion. I used this guide to install the play store. Then, I installed hay day from the play store. I did not make any other changes to the virtual system. When I tap/click the hay day icon, the screen orientation changes [...] read more

Task transmission-da blocked for more than 120 seconds

I've a home NAS based on OpenMediaVault 4. The problem is I'm constantly getting service hangs (transmission). This usually happens when the new torrent is added and starting to download. Then it is impossible to restart transmission-daemon or even kill transmission. The only way to get it working again is [...] read more

Some Microsoft apps cannot be upgraded, uninstalled or launched

Windows 10 Desktop 10586.420, please watch my screen record https://youtu.be/tZrGTll9muY These 7 Microsoft apps are stuck in my store update list for ever, all of them had exact the same error code in the end 0x80073CF6. The rest of apps have no problem at all. What is even worse is [...] read more

Please explain what the Error with OS X 10.10.2 and MacWinDjVu (does not open any more) is and how to solve it

Please explain what the Error with OS X 10.10.2 and MacWinDjVu (does not open any more) is and how to solve it. I use DjVu regularly, and until today I did not have any problem. I just turned on my MacBook Pro, tried to open a .djvu file and this [...] read more

What is this WWAHost.exe[...] Error? An unhandled exception occurred in WWAHost.exe

It's now 4days, I keep getting this Error from Start up. Am using windows8.1, since about a year now, first time I get any Error. I can't tell what really caused it, I am a Web/Desktop programmer and for the past 1 month, I haven't done any Desktop programming or [...] read more

Linux RAID Re-Shape Stopped, unmountable

I added another drive to my RAID 5 and migrated it to a RAID 6. Everything went fine, but now the process seems to be stuck at 63.2% and md2_raid6 takes 99.9 of the CPU. RAID Details: > /dev/md/2: Version : 1.2 Creation Time : Thu Jan 16 21:17:54 2014 [...] read more

IIS crashes at startup - inetinfo.exe - memory could not be read

Running * Windows XP SP3 * IIS 5.1 I get this error when I boot my PC. Application popup: inetinfo.exe - Application Error : The instruction at "0x5aa3b134" referenced memory at "0x00000004". The memory could not be "read". when I try to navigate to a http://localhost/ I get this error [...] read more

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I am using Fantacy Remote to remote view other machines. I have attached the default .INI file that Fantacy Remote uses. When i connect to a machine, the client user should not have mouse and keyboard access of the Remote machine. It should be a View only remote connection. And [...] read more

QtCreator doesn't open on Mac

Problem: I need to install Qt Creator for my university course on my mac and it doesn't open. I've tried reinstalling different versions a lot of times but it gives me a Segmentation Fault everytime. Everything else is updated to the latest Version and i don't know what to try [...] read more

STM32 standard method for remote firmware update

My question is about a special case for Bootloader sequence for The Discovery kit for STM32F0 series with STM32F072RBT6 MCU that we currently have implemented in some of our products in the field. I will use ST's own bootloader to update my firmware but I want to do this remotely [...] read more

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It is sort of trivial issue, but it is still taking my tame for the last several days. I am trying to get the user input and wait until the user enters the value, but my program doesn't do it. I would be grateful, if someone could help me out [...] read more

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I'm trying get file type name (like Folder, bitmap image, Text file etc...) with c#. I dont want get from registry because of privilege reasons. I found this method from internet. It working well for get file icon (SHGFI_LARGEICON, SHGFI_SMALLICON) But This method always returning blank szTypeName. I've tried different [...] read more

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I am using Arduino_STM32 rogerclark's library. https://github.com/rogerclarkmelbourne/Arduino_STM32 . Now I want to Develop an In Application Programming(IAP) like a bootloader. Take Code from SD card and Store in Controller flash at 0x8010000 and then jump to that location and run the loaded new application. the code took from SD and [...] read more

System Error Code 0x32 when trying to attach debugger to calc.exe

I am currently learning how debuggers function and I am trying to program one myself following the book 'Gray Hat Python' by Justin Seitz. I am quite new to python and using the Windows API so any help is appreciated. I am using python 2.7 and Windows 10 64bit (in [...] read more

overload template function

inside a member function of a template class, i need a compare that works for int, float and string. My soloution is to let the member function (DFA::entry) use a selfmade comp function:(template < class T, class U> int comp(T s_one, U s_two)). The problem now is that after compiling, [...] read more

What is 'FT' means in Nginx NGX_HTTP_UPSTREAM_FT_* macro/const

There are some macro about nginx upstream and What is 'FT' means in these definitions? #define NGX_HTTP_UPSTREAM_FT_ERROR 0x00000002 #define NGX_HTTP_UPSTREAM_FT_TIMEOUT 0x00000004 #define NGX_HTTP_UPSTREAM_FT_INVALID_HEADER 0x00000008 #define NGX_HTTP_UPSTREAM_FT_HTTP_500 0x00000010 #define NGX_HTTP_UPSTREAM_FT_HTTP_502 0x00000020 #define NGX_HTTP_UPSTREAM_FT_HTTP_503 0x00000040 #define NGX_HTTP_UPSTREAM_FT_HTTP_504 0x00000080 #define NGX_HTTP_UPSTREAM_FT_HTTP_403 0x00000100 #define NGX_HTTP_UPSTREAM_FT_HTTP_404 0x00000200 #define NGX_HTTP_UPSTREAM_FT_HTTP_429 0x00000400 #define NGX_HTTP_UPSTREAM_FT_UPDATING 0x00000800 #define NGX_HTTP_UPSTREAM_FT_BUSY_LOCK [...] read more

How to declare COM interface with properties in C++

I'm trying to call a registered COM interface (Inproc dll) in an Eclipse C++ environment (MinGW GCC toolchain). I therefore don't believe that I can simply import the dll typelib the way I typically would in Visual C++. I'm trying to define the interface myself to simplify the function calls [...] read more

How can I treat bit mask graceful in C++?

I have met code like this. #define JOB_STATUS_PAUSED 0x00000001 #define JOB_STATUS_ERROR 0x00000002 #define JOB_STATUS_DELETING 0x00000004 #define JOB_STATUS_SPOOLING 0x00000008 #define JOB_STATUS_PRINTING 0x00000010 #define JOB_STATUS_OFFLINE 0x00000020 #define JOB_STATUS_PAPEROUT 0x00000040 #define JOB_STATUS_PRINTED 0x00000080 #define JOB_STATUS_DELETED 0x00000100 #define JOB_STATUS_BLOCKED_DEVQ 0x00000200 #define JOB_STATUS_USER_INTERVENTION 0x00000400 #define JOB_STATUS_RESTART 0x00000800 DWORD func(); The func return a dword which [...] read more

how to use BluetoothGATTGetCharacteristic with C#

I code a C# Console application ,try get my headphone battery info class BluetoothAPIs class BluetoothAPIs { //https://docs.microsoft.com/zh-cn/windows/win32/api/bluetoothleapis/nf-bluetoothleapis-bluetoothgattgetservices [DllImport("BluetoothAPIs.dll", CharSet = CharSet.Auto, SetLastError = true)] public static extern int BluetoothGATTGetServices( IntPtr hDevice, UInt16 ServicesBufferCount, IntPtr ServicesBuffer, ref UInt16 ServicesBufferActual, UInt32 Flags ); //https://docs.microsoft.com/zh-cn/windows/win32/api/bthledef/ns-bthledef-bth_le_uuid [StructLayout(LayoutKind.Sequential)] public struct BTH_LE_UUID { public Boolean [...] read more

Unable to fix this error. PermissionError: [WinError 32] The process cannot access the file because it is being used by another process

I am collecting the owner of the file, directories and sub directories in all the drives. The below code navigates through all folders and sub folders and prints the path and owner of the folder or file. Code import ctypes as ctypes from ctypes import wintypes as wintypes import file_search [...] read more

how to change HyperLink style and textColor into richtextbox c# winform

How can I change HyperLink into RichTextBox ? I want to change HyperLink ForeColor and Remove UnderLine . I use this codes for this problem but I don't to change I tried to change with this code , but I don't successful .enter image description hereIf any change for this [...] read more

How to solve gfortran compilation and linking error?

I have trying to compile a collection of old fortran and C codes with gfortran. They compile fine on a linux workstation but this fails in a Mac. Any idea on how to solve this ? The Makefile in the Linux version has one extra flag in CFLAGS and FFLAGS [...] read more

Snake game with c++ OOB

I wrote a snake game in c++ in console and i have some issues that I can't understand. Could anyone help me? According to code below: class Snake : public Fruit{ private: int head; short dir_x; //-1 (left or down) / +1 (right or up) short dir_y; friend class Game; [...] read more

Make my WinForms application behave just like a Console application when using Console.WriteLine()

I have a .NET WinForms application written in C#. The application has two operational modes: * Regular GUI mode. * Possibility to execute calls with a CLI. When I run my application from a Cmd window, the output appears on screen, but the application does not close until I press [...] read more

How to save Bitmap from ActiveX component

Try to save screen of AxMsTscAxNotSafeForScripting (Microsoft Terminal Services Client Control), but cant find any information about it... I try one code, but it screen only field of element... https://i.imgur.com/fo6jKDT.png [Flags] private enum DrawingOptions { PRF_CHECKVISIBLE = 0x00000001, PRF_NONCLIENT = 0x00000002, PRF_CLIENT = 0x00000004, PRF_ERASEBKGND = 0x00000008, PRF_CHILDREN = 0x00000010, [...] read more

qemu run a bare-metal assembly program on xilinx-zynq-a9 machine

I am following this guide on setting up arm emulation setup. The guide is made taking connex machine as example. I want to follow the guide but using xilinx-zynq-a9 machine since I have some experience working with zynq boards. So I have made a .bin file by following the tutorial. [...] read more

GT-511C3 Fingerprint Scanner with STM32F407G Microcontroller

I am working on a project that requires using the GT-511C3 fingerprint scanner with a STM32F407G microcontroller board. I am using Keil uvision 5 and can't figure out how to initialize and turn on the scanner. I've written this code and it seems correct, based off the datasheet, for starting [...] read more

STM32F4 (Nucleo) SPI line doesn't transmit

I can't seem to get my SPI line to work. It doesn't want to transmit at all although it does generate a clock signal on sck pin. The Clock signal has a frequency of 62 kHz, the MOSI and MISO pins remain high indefinitely. I've built the code according to [...] read more

Unable to mount root file system - nfs if the CONFIG_CGROUP is not enabled in Linux Kernel?

I am unable to mount a root file system, if I don't make the CONFIG_CGROUP=y in the kernel defconfig. Here is my bootlog Built 1 zonelists in Zone order, mobility grouping on. Total pages: 130048 Kernel command line: console=ttyS1,115200 root=/dev/nfs rw ip=dhcp nfsroot=10.30.98.239:/home/sd/sira_server_rootfs PID hash table entries: 2048 (order: 1, [...] read more

Arduino Yun Mini Bricked linux (kernel panic) SQUASHFS ERROR, Reflashing with serial YMODEM or Kermit, O WIFI, SD card, Eth, or USB

INTRODUCTION I am actually newbie to this advanced perspective of linux routers based systems as openWRT and i faced a problem with my Arduino Yun Mini board which found to be operated with this firmware for linux interfacing and WiFi module, So: THE PROBLEM: i tried to upgrade the system [...] read more

Can I access a shared folder with a different user configured in IIS?

I have a problem accessing a shared folder with a webservice. In IIS I have configured a user like "IIS_USER", but he can not see the shared folder because it can only be seen by accounts in our domain. I need to request that file with another user like (domain\user)+pwd [...] read more

Send Command to Simcard via SMPP protocol with EasySMPP API (for example How to update spn)

I'm working on an application to send Command-to-Card via smsc for my university's final project. I found a very nice software called EasySMPP and I could send a sms to my Mobile. But I still have not succeeded in sending the command to the card, for example, updating spn I [...] read more

Use DLL in PowerShell

I'm trying to use a function from a DLL in PowerShell. I currently have the code below, though it leads to a crash when calling the function. I'm fairly new at this, so any help is appreciated. The purpose of the code is to use EloGetDiagnosticsData() in PowerShell to return [...] read more

How to implement poll function into Linux kernel module?

I'm trying to implement polling functionality into my simple Linux kernel module called gpio_driver for my Raspberry Pi which should notify the user space poll function about the change of state of one of the GPIO pins (button push). What I did in my gpio_driver is set the internal pull [...] read more

How to parse DW_OP_call_frame_cfa?

I am trying to get the variables location from a C (x86_64) code using libdwarf, but GCC even with optimizations off (-O0) generates the frame base relative from DW_OP_call_frame_cfa. In turn, clang uses DW_OP_reg6, which points to rbp in x86_64 ABI. I have read the DWARF-4 Standard but I can [...] read more

How to use PathCreateFromUrlA API

I need to convert a uri path like file:///C:/test folder/file.text to windows style path C:/test folder/file.text. For that, I am trying to use PathCreatesFromUrlA API using the following code but I just don't understand how to set up the last two parameters to the API (marked as ??? in the [...] read more

I can send SCSIOP_WRITE, but there are always 2 SCSIOP_READ_CAPACITY sent before my SCSIOP_WRITE. Am I doing anything wrong?

I am using C# to build an application to write data to device(such as SD card) at specific address. I found many useful sample code online and I can write data to SD card now. But here is a problem. There are always 2 SCSIOP_READ_CAPACITY(0x25) sent before my application actually [...] read more

Kamene causing python3 segmentation fault

I have a basic python3 script for running a ping sweep using kamene with two main issues. I'm not sure if they are related so I'll add them both in the same post. Where in here is the main issue and what have I done wrong? First issue... When I [...] read more

AutoIt: Click an Control without ID

this is my very first Question. Im trying since about 2 Hours. I Have to compile an AutoIt Executable which will install Xampp on the Computer. This is what ive done so far: #RequireAdmin ; Script Start Opt("WinTitleMatchMode", 4) run ("xampp-win32-7.1.1-0-VC14-installer.exe") WinWait ("Datei öffnen - Sicherheitswarnung") ControlClick( "Datei öffnen - [...] read more

certain parts of injected string are missing on stack frame

I'm trying return-to-libc exploit on simple program. I've managed to locate stack address where input string is stored, and locations of libc functions and build my payload base on it. [padding(252-byte)] + [system(4-byte)] + [exit(4-byte)] + [argument(4-byte)] I opened the vulnerable program with gdb and injected payload. When I check [...] read more

Testing chained compute shader dispatches on Microsoft Basic Render Driver: Why might a UAV mutate between dispatches?

As per the title, I have a few different compute shaders (pipeline state objects) that I'm dispatching to (i.e. dispatch to shader0, shader0 does stuff to the uav, dispatch to shader1, shader1 does more stuff to the uav, etc.). I'm testing this using both DX11 and DX12. Running the shaders [...] read more

clear memory/Buffer of powershell running endless loop every 3 seconds

I have created a powershell script which is just parsing the log file and if last line contains keyword "error" it sends out an email and runs a tiny mouse macro - cycle repeats itself every 3 seconds - endless loop if ($lastSent -ne $currentLine -and $currentLine -match "Error") { [...] read more

How to derive all offered interface types from an COM idl?

My goals is to generate bridging code that allows to call a COM interface in Java. I do use successfully JNA, insofar as I get an handle to the interface and can successfully work with most of the functionality of the interface. I have a question regarding several interfaces that [...] read more

C# - OpenGL Not Rendering But No Errors From glGetError

I'm trying to use DllImport to load OpenGL and WinApi functions in C#. For some reason though OpenGL just won't render. I tried using glGetError but there are no errors (excluding error 1282 before the glContext is created but I'm pretty sure this is expected). The window just stays white. [...] read more

NASM assembly modification guidance

I am trying to figure out how to modify the following code and need to also modify the code. I am unsure how to do, as we have not covered this topic in my classes. I could really use some explanation on how to modify the code to meet the [...] read more

iTerm2 keeps crashing after upgrading from 3.2.0 to 3.2.7. 3.2.0 no longer works now either

I upgraded my iTerm2 from 3.2.0 to 3.2.7, but then every couple of minutes, the whole thing crashes and I have to restart it. I've also tried to roll it back to 3.2.0, but now that version also crashes every couple of minutes. I've included a part of the error [...] read more

Assembly program crashes on call or exit

Debugging my code in VS2015, I get to the end of the program. The registers are as they should be, however, on call ExitProcess, or any variation of that, causes an "Access violation writing location 0x00000004." I am utilizing Irvine32.inc from Kip Irvine's book. I have tried using call DumpRegs, [...] read more

How to check if /init starts /etc/inittab

I have an embedded ARM system with processor AT91SAM9G45. System consists of two components: 1. Linux kernel (4.14.79) 2. Busybox 1.29.3 as initramfs image. I connect to the device using putty and connecting to serial port. When kernel starts, everything goes fine. Kernel unpacks initramfs image, all files are found [...] read more

Perform OR operation to all elements in array

I want to extend Arrays of Enums: Numeric with a function OR() that ORs all element in the array. This is what I came up: extension Array where Element: RawRepresentable, Element.RawValue: Numeric { func OR(_: Array) -> Element.RawValue { return self.map{ $0.rawValue }.reduce(0x00000000){ $0|$1 } } } and this is [...] read more

StoreProhibited Error on ESP32 when calling i2s_read function

I am trying to use a microphone sensor on my esp32 microcontroller. Currently, it is running the ESP-IDF framework. The microphone is the sph0645lm4h-b. I am using the I2S protocol to connect to the sensor. I2S config is shown below: void i2s_init() { i2s_config_t i2s_config = { .mode = I2S_MODE_MASTER [...] read more

GetLogicalProcessorInformationEx SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX array size

related to:Confusing ReturnLength from Windows GetLogicalProcessorInformationEx function I have read the documentation for GetLogicalProcessorInformationEx. It states > Buffer [out, optional] A pointer to a buffer that receives an array of SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX structures. If the function fails, the contents of this buffer are undefined. Nowhere is the number of elements defined. [...] read more