Windows error 0x00000024, 36

How to properly use a hardware accelerated Media Foundation Source Reader to decode a video?

I'm in the process of writing a hardware accelerated h264 decoder using Media Foundation's Source Reader, but have encountered a problem. I followed this tutorial and supported myself with Windows SDK Media Foundation samples. -------------------------------------------------------------------------------- My app seems to work fine when hardware acceleration is turned off, but it doesn't [...] read more

ELF, Build-ID, is there a utility to recompute it?

I came across this useful feature in ELF binaries -- Build ID. "It ... is (normally) the SHA1 hash over all code sections in the ELF image." One can read it with GNU utility: $ readelf -n /bin/bash ... Displaying notes found at file offset 0x00000274 with length 0x00000024: Owner [...] read more

Windows 7 likes to crash on me about every week

I have Windows 7 Pro 64-bit edition and it seems like every week I get a blue screen since it crashed for some reason. I have no clue what is causing this. 1. I have 4 gigs of RAM with 2 of them not 100% sure if they work as [...] 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

Mac load commands corruption

Signing (codesign) on one of our app is failing with malformed object (unknown load command 9). After doing some research online I found that load commands are special commands in executable's header that are used by kernel for segment loading ( http://0xfe.blogspot.in/2006/03/how-os-x-executes-applications.html ). So, I ran otool -l command on [...] read more

How to stop GNU GCC from mangling dll import function names

GNU GCC is mangling my imported function names even though I'm using extern "C" in the declarations. I just started using Code::Blocks and GNU GCC for migrating existing projects off of Borland C++ Builder 6.0 Pro and developing some future projects. Long term, I will 1) be making .dlls that [...] read more

Can't use /usr/bin/security to retrieve password from keychain via cron

I can't seem to be able to successfully retrieve passwords from keychain using /usr/bin/security when I run it from my users crontab. Works fine in my terminal. I can also see via the cron mail output that my USER, HOME and PATH are all being set correctly inside cron. I've [...] read more

Crashes when running MySQL Connector/C++ from Visual Studio

I'm having a bit of issues with trying to run a compiled program that uses the MySQL connector, in C++. It compiles just fine, but when running it, it'll crash immediately - seemingly so on the line that's meant to connect. I've set up all additional libraries, dependencies, pre-processors and [...] read more

IDXGISwapChain::Present causes a driver crash and a device removal

I am designing a game engine that makes use of the DirectX 11 API, in particular, the use of deferred contexts. The basic idea is to have each and every device state given its own deferred context, and then, after all geometry has been rendered, to display it by iterating [...] read more

Frequent BSODs on Windows 7 Professional after replacing Graphics Card (worked fine for ~2 weeks prior)

My computer died around 3 weeks ago due to the Graphics Card failing (Asus Direct CU II 7950, an old 1TB Samsung HDD also failed to power up after this) and just 2 weeks ago we replaced it with a new R9 390. It was working fine for about a [...] read more

Stream from IP Camera very jittery on VLC

This question is a prologue to the one I previously asked here. I'm working on an IP camera project that is based on TI OMAP-L138. All in all, the H264 encoded video is streamed via live555 libraries over RTSP. For Live555 I'm using deviceSource based framed source. However, when I [...] read more

Change display format of DirectX "Object Table"

While debugging with VS 2012 Graphic's Debugger, I want to look at an index buffer, but the format that is showing it in is as float. This means the numbers are different than they would be with an int or short format. Does somebody know how to change this? Here [...] read more

How do I reduce execution time and number of cycles for a factorial loop? And/or code-size?

Basically I'm having a hard time getting the execution time any lower than it is, as well as reducing the amount of clock cycles and memory size. Does anyone have any idea on how I can do this? The code works fine I just want to change it a bit. [...] read more

Tracing mysqld Using SystemTap

I wanna use systemtap to trace MySQL. The problem is, after MySQL is configured and built and I start the server, I can't get the markers info that are present in the server: [root@localhost]$ stap -l 'process("/home/mysql/mysql5.5.33/bin/mysqld").mark("*")' [root@localhost]$ (nothing ouput) My env as follows: 1 stap version $ stap --version [...] read more

Possible Visual Studio 2013 Bug Caused by Nuget Package?

I'm encountering a strange bug in visual studio that seems to be caused by a specific Nuget package named Ragnar. The package is, by its own description > "a C++/CLI wrapper for Rasterbar's libtorrent. It aims to provide a (mostly) > complete interface to the underlying C++ library." I've reproduced [...] read more

Linux syscall in vmlinux and virtual memory

I have find the sys_open code from vmlinux binary: c1143c20: 55 push ebp c1143c21: 89 e5 mov ebp,esp c1143c23: 83 ec 10 sub esp,0x10 c1143c26: 89 5d f4 mov DWORD PTR [ebp-0xc],ebx c1143c29: 89 75 f8 mov DWORD PTR [ebp-0x8],esi c1143c2c: 89 7d fc mov DWORD PTR [ebp-0x4],edi **c1143c2f: e8 [...] read more

HANDLE - File Handles and Directory Handles Structures

Language: C OS: Windows My application is framed with nt level apis and has to manipulate file and directory handles. On a Zwopenfile or zwcreate file, I get a HANDLE as a result. Usually the values for the HANDLE are like 0x00000024, 28,2c... etc. When I cast it as a [...] read more

Restarting computer several times makes windows unbootable

My bro took my hdmi cable. Seeing that nothing shows up on the screen I restarted computer several time I got this problem A problem has been detected and windows has been shut down to prevent damage to your computer. If this is the first time you've seen this Stop [...] read more

SD memory card causes BSOD on Windows when inserted

An Asus Eee PC netbook started to get BSOD blue stop screen with ntfs.sys stated in its error message. I found out that the cause of BSOD is a Transcend SD 16 GB flash memory card (similar to this on the link) which was inserted in the netbook. When I [...] read more

Disassemble instruction set for 8051 microcontroller

I have the following hex opcode sequence for a 8051 microcontroller 785679107A247BFD7C347D407E51745568F869F96AFA6BFB6CFC6DFD6EFE I found this repo that converts hex to instruction sequences https://github.com/anarcheuz/8051-disassembler. Using that I was able to get the following assembly instructions x00000000: 37 38 MOV 38 (R0,#immed) 0x00000002: 35 ANL A,@R0 0x00000004: 37 39 MOV 39 (R1,#immed) [...] read more

Identically configured urxvt has different width/font rendering on different X servers

I have two different desktop hosts connected via their DisplayPort outputs to two DisplayPort inputs on the same 4K monitor: * idyllic, a small-form-factor PC using the onboard Intel HD Graphics 500 of its Celeron N3350 processor. (I've also a similar system at another location with a Pentium N4200 processor [...] read more

Memory access violation error c++

I'm trying to exchange messages using multiple covert channels. So, basically, first i need to select the channel that i want to use for communication and then select the "destination_ip" of the user that i want to chat with and after that the > processMessage() is called. Now, to move [...] read more

Address of Static Variables Changing at Runtime

I'm trying to figure out why the address of a static uint64_t arr[] changes when it's defined in the global scope inside the main executable. It changes from 0x201060 (defined by the linker?) to 0x555555755060 at runtime, and I have no idea why. Why does this happen, and is there [...] read more

C - Get File Bytes as Unsigned Int

I need the bytes of a BIN file converted to a unsigned int, in this format (JavaScript): p.write4(shellcode.add32(0x00000000), 0x00000be9); p.write4(shellcode.add32(0x00000004), 0x90909000); p.write4(shellcode.add32(0x00000008), 0x90909090); p.write4(shellcode.add32(0x0000000c), 0x90909090); p.write4(shellcode.add32(0x00000010), 0x0082b955); p.write4(shellcode.add32(0x00000014), 0x8948c000); p.write4(shellcode.add32(0x00000018), 0x415741e5); p.write4(shellcode.add32(0x0000001c), 0x41554156); p.write4(shellcode.add32(0x00000020), 0x83485354); p.write4(shellcode.add32(0x00000024), 0x320f18ec); p.write4(shellcode.add32(0x00000028), 0x89d58949); p.write4(shellcode.add32(0x0000002c), 0x64b948c0); p.write4(shellcode.add32(0x00000030), 0x77737069); p.write4(shellcode.add32(0x00000034), 0x49000000); p.write4(shellcode.add32(0x00000038), 0x4120e5c1); p.write4(shellcode.add32(0x0000003c), 0x000200bc); p.write4(shellcode.add32(0x00000040), [...] read more

Compiling OpenSSL engine (.so) fails to load undefined symbol

I am compiling the following OpenSSL engine, from Atmel https://github.com/AtmelCSO/cryptoauth-openssl-engine/ for an ARM platform. The code, uses 'eckey_asn1_meth' from the OpenSSL codebase: git grep "eckey_asn1_meth" engine_meth/eccx08_ameth.c: extern const EVP_PKEY_ASN1_METHOD eckey_asn1_meth; engine_meth/eccx08_ameth.c: eccx08_pkey_asn1_meth.pub_encode = eckey_asn1_meth.pub_encode; engine_meth/eccx08_ameth.c: eccx08_pkey_asn1_meth.pub_decode = eckey_asn1_meth.pub_decode; engine_meth/eccx08_ameth.c: eccx08_pkey_asn1_meth.pub_cmp = eckey_asn1_meth.pub_cmp; engine_meth/eccx08_ameth.c: eccx08_pkey_asn1_meth.pub_print = eckey_asn1_meth.pub_print; engine_meth/eccx08_ameth.c: eccx08_pkey_asn1_meth.priv_decode = eckey_asn1_meth.priv_decode; [...] read more

How do I load an assembly with BouncyCastle.crypto.dll dependency into SQL Server 2014?

With VS2017, I have created a SQL CLR dll (for SQL Server 2014) that indirectly uses BouncyCastle.Crypto.dll, but am unable to CREATE ASSEMBLY for it. It gives a warning (I hope) but fails with > Msg 10332, Level 16, State 1, Line 85 > Assembly "BouncyCastle.Crypto" was built using version [...] read more

log4cpp - Unhandled exception and access violation

Here is some example code I read from some tutorial: int main(int argc, char* argv[]) { log4cpp::OstreamAppender* osAppender = new log4cpp::OstreamAppender("osAppender", &cout); osAppender->setLayout(new log4cpp::BasicLayout()); log4cpp::Category& root = log4cpp::Category::getRoot(); root.addAppender(osAppender); root.setPriority(log4cpp::Priority::DEBUG); root.error("Hello log4cpp in a Error Message!"); root.warn("Hello log4cpp in a Warning Message!"); log4cpp::Category::shutdown(); getchar(); return 0; } Error report: Unhandled [...] read more

uPP Device Driver is dropping data from buffer

I have written code for a uPP device driver to be used with an OMAPL138 based custom board for data acquisition through a camera lens. The code for my device driver is: /* * A device driver for the Texas Instruments * Universal Paralllel Port (UPP) * * Modified by: [...] read more

Android - garbage collector error on calling a handler recursively

I am trying to do a job continually. For this job, I am using handler and calling this handler recursively with a constant time interval. My code runs in Samsung Galaxy Note 2 with Android version 4.3, but not runs in Nexus 5 with Android version 4.4.2. I am stuck [...] read more

how to decipher a Windows 8 dump

I got a new Windows 8 PC 4 days ago. Suddenly it rebooted. The event log shows: The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly. The computer has rebooted from a bugcheck. The bugcheck [...] read more

How to read logs after iPhone app crash

Here is my situation: I have an app (let's call it MyApp) that has push integrated. When the app comes back from background, I launch the method to register users with push. The app was tested in developer mode for a long time and it worked well. Today the app [...] read more

iPad making sense of the Crash Report

Are there any hints here as to where/what is causing the app to crash? It happens while retrieving a Web Service collection of objects. Incident Identifier: 577D74D6-DAFB-44B7-AA06-2E80C9AF9EE4 CrashReporter Key: 98301378d20acc056591628b8782f0eef18a5147 Hardware Model: iPad1,1 Process: InterfaithExplorer [511] Path: /var/mobile/Applications/E3624F4D-6AB7-470A-9C2B-082D4AD3E3D1/InterfaithExplorer.app/InterfaithExplorer Identifier: InterfaithExplorer Version: ??? (???) Code Type: ARM (Native) Parent Process: launchd [...] read more

Windows 7 corrupting XP drive?

I have a user who recently installed Windows 7 rc (7100) on a seperate drive to his main XP drive - he did the installation with the XP drive unplugged and then once everything was set up re-connected the drive on a different sata port than before (as the windows [...] read more

Blue Screen stop code 0x00000024

I did recently downloaded windows 8 in my C drive (windows installation) and then extracted in c drive also and it made my c drive out of space. then i cleaned my C drive and made almost 3 G.B space in it and shutdown my computer. Next morning it didn't [...] read more

Windows xp recovery console without Ntfs.sys? (0x00000024 BSOD)

I have two physical disks in a computer, for simlicity lets call them C and D. C: got Windows XP and D: got some data. The problem is that whenever i have D: connected i can't boot windows. I get some BSOD called 0x00000024/NTFS_FILE_SYSTEM. Same thing if i boot up [...] read more

Computer BSOD on heavy loads

I recently got a new processor, an fx 8350 black edition, replacing a sempron x4, but when i try to run a cpu-intensive game (rome 2) or run stress testing such as prime95, it crashes out to blue screen. There are a few different bsod memory dump messages that i [...] read more

According to the standard PCI bus scan but the result is abnormal

This is scanning code uint32_t pci_read_configd(uint8_t bus, uint8_t dev, uint8_t func, uint8_t offset) { uint32_t address; uint32_t lbus = (uint32_t)bus; uint32_t ldev = (uint32_t)dev; uint32_t lfunc = (uint32_t)func; address = (uint32_t)((lbus << 16) | (ldev << 11) | (lfunc << 8) | (offset & 0xfc) | ((uint32_t)1 << 31)); out_port32(0xcf8, [...] read more

How to unlock a locked bitmap

I want to unlock a locked ID2D1Bitmap I have tried m_pBitmap1->Release(); but it doesn't seem to work hr=m_pBitmap1->CopyFromRenderTarget(nullptr, m_pRenderTarget2, nullptr); gives an access violation error: "Unhandled exception at 0x00fb2a46 in dent_detection_sys.exe: 0xC0000005: Access violation reading location 0x00000024." WICRect rcLock = { 0, 0, sc_bitmapWidth , sc_bitmapHeight }; IWICBitmapLock *pILock=NULL; hr [...] read more

IBM-MQ PCF using to get subscriber count with a particular Topic

I'm using IBM-MQ, and I want to get the number of subscribers for a specific topic using PCFMessage MQQueueManager qmgr = null; PCFMessageAgent agent = null; Hashtable<String, Object> hashtable = new Hashtable<String,Object>(); hashtable.put(MQConstants.HOST_NAME_PROPERTY,"HOST NAME"); hashtable.put(MQConstants.PORT_PROPERTY,1414); hashtable.put(MQConstants.CHANNEL_PROPERTY,"CHANNEL NAME"); hashtable.put(MQConstants.USER_ID_PROPERTY, "USER_ID"); hashtable.put(MQConstants.PASSWORD_PROPERTY, "PASSWORD"); agent = new PCFMessageAgent(qmgr); PCFMessage request = new PCFMessage(MQConstants.MQCMD_INQUIRE_TOPIC_STATUS); [...] read more

MIPS Exception 6 [Bad instruction address] for Newton's Method of finding Square Roots

I'm trying to implement Newton's Method for calculating integer square roots of a given k ($a0 here). I get the correct output but it is followed by an infinite series of Exception 6 errors like the following: sqrt(32) = 5 sqrt(33) = 5 sqrt(34) = 5 sqrt(35) = 6 sqrt(36) [...] read more

Same HTTP request passes with CURL_CLI but fails with LIBCURL

Am using libcurl to communicate with Amazon S3. GET calls are success whereas PUT (for uploading files) calls are failing with 403. PUT call with same headers when ran through CURL-CLI are success. I have disabled certificate checking. [[ curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0) ]] Using CURLOPT_DEBUGFUNCTION option as specified in https://curl.haxx.se/libcurl/c/CURLOPT_DEBUGFUNCTION.html, [...] read more

Reduce flickering when using SetWindowPos to change the left edge of a window

Update 1: Here's the simplified version: So I have a special fixed-size child window that I want to make it stay at the right side of the resizable main window. When users resize the main window by dragging the left/right edge of it, WM_WINDOWPOSCHANGED is sent, the child window will [...] read more

Discrepancy in behavior of Linux loaders (ld-linux-x86-64) between Glibc 2.12 and Glibc 2.17

I'm trying to compile the same lib on two x86 separate machines. Both use the same toolchain (exactly same set of files) but have different Glibc versions. When I run command LD_DEBUG=libs /lib64/ld-linux-x86-64.so.2 --list ./libl2ps.so I notice the following discrepancy between the 2 Linux loaders: Machine 1 (with Glibc 2.12): [...] read more

How to get output from a winapi based DeviceIOControl function?

just started with my first steps using the WinAPI calling functions. So here is the Code: public enum EMethod : uint { Buffered = 0, InDirect = 1, OutDirect = 2, Neither = 3 } [Flags] public enum EFileDevice : uint { CDRom = 0x00000002, Disk = 0x00000007, VirtualDisk = [...] read more

Difference between C mmap and Java MappedByteBuffer in Linux

I am having trouble using a Linux UIO device from Java. The idea behind this device is that you have a peripheral with a set of registers that are memory mapped. In order to access these registers for reading and writing, the kernel module exposes a device file (e.g. /dev/ui0) [...] read more

GDB ARM assembler directives are compiled in a way I don't understand

I have ARM assembly source code: .global _start .text entry: b _start array: .byte 10, 20, 25 eoa: .align _start: ldr r0, =eoa ldr r1, =array mov r3, #0 loop: ldrb r2, [r1], #1 add r3, r2, r3 cmp r1, r0 bne loop stop: b stop Which is a simple [...] read more

32-bit pointer overflow in 64-bit gcc code - fails in compile

I am compiling a very large legacy Fortran 90 code (screamer) with gFortran on a Mac (2.2 GHz Intel Core i7) running Yosemite. (gFortran V5.1.0) I have 16 GB of RAM. The code is memory intensive and I am trying to increase array sizes to solve larger problems. I have [...] read more

FFmpeg avcodec_encode_video2 access violation

I've been trying to encode a frame using FFmpeg with Visual C++. Here is how I do it. I first have a planar RGB24 image buffer. I convert it to planar YUV using the following rule: Y = ((66 * R + 129 * G + 25 * B + [...] read more

Call matlab from c++ using VS2010 and matlab 2007a

I am trying to call matlab from c++ with code hereunder. I send matlab commands from c++ through engEvalString and I want to get the output from matlab, but I got this error: Unhandled exception at 0x78531986 in EnginetEST.exe: 0xC0000005: Access violation reading location 0x00000024. please help. > int main() [...] read more

if(mySharedPtr) causes Signal 11?

Somehow, accessing a shared_ptr without dereferencing it is causing a Signal 11 (SIGSEGV) on Android. I have a run() function in A that acquires a lock for it's instance of B and calls B::top(). There is only one instance of A. A has other public methods that other threads might [...] read more

Why do gcc and icc generated assembly contain tons of "extra" pseudo ops?

When I look at the assembly generated by gcc or icc there's a ton of pseudo-ops. Do they all do something? Here's the example that raised the question. I have two simple C++ files. One calls a function and the other does it. call.cpp: #include <iostream> void vadd(float* __restrict__ A, [...] read more

How to run basic OpenCL face detection code

I tried running the OpenCL basic face detector code which is in "samples/ocl/facedetect.cpp". Before compiling the face detect code I followed the below steps to compile OpenCV with OpenCL enabled. 1. I downloaded OpenCL SDK by Intel from Intel SDK for OpenCL Applications 2013 and installed it. 2. Using CMake, [...] read more

App crash after click on notification

I got crash if application is not in background state and then click on notification. There is no memory leak and set architectures standard (armv6,armv7,armv7s).also referred link Springboard crash when app is restored from push notification from GameCenter Any suggestion to find out solution.Thanks in Advance. Device Log as below: [...] read more

why does presentViewController:animated:completion: crash?

I've got a strange crash on a customers iPhone (running iOS 5.1), I have no problems at all on iOS 6 with this code: - (IBAction)projectButtonPressed:(id)sender { MEProjectViewController *viewController = [[MEProjectViewController alloc] initWithNibName:@"MEProjectViewController" bundle:nil]; MEProjectNavigationViewController *navigationController = [[MEProjectNavigationViewController alloc] initWithRootViewController:viewController]; navigationController.navigationBar.barStyle = UIBarStyleBlack; //iOS 6 if ([self respondsToSelector:@selector(presentViewController:animated:completion:)]) [self presentViewController:navigationController [...] read more

systemtap profiling gc node.js

I installed node.js(0.9.4) via nvm, which according to changelog has systemtap support. I installed systemtap on my Fedora linux distro. $ sudo yum install systemtap I used this gist from Ben Noordhuis. $ stap -l 'process("node")' produces nothing. $ sudo stap gc.stp -c 'node test.js' semantic error: while resolving probe [...] read more

Kernel Panic due to bad paging request

What can be the reasons for the kernel to panic due to Unable to handle kernel paging request at virtual address 0x00000024 epc=0x9caf9876 ra=0x9432adfc 1. Address not yet dynamically allocated 2. No corresponding virtual address entry in page table What else? Correct me if am wrong. read more

Hexa String to Int java

I have: int number = 0x00000024; And it have no problems, but now im get it from with de format: <MAN> <NAME hexa="0x00000001"/> </MAN> And I try to parse hexa with: Integer.parseInt(parser.getAttributeValue(0), 16) But it says: Unable to parse '0x00000001' as integer Anyone knows whats happening? read more

g++ symbol versioning. Set it to GCC_3.0 using version 4 of g++

I need to implemente a Java class which uses JNI to control a fiscal printer in XUbuntu 8.10 with sun-java6-jdk installed. The structure is the following: EpsonDriver.java loads libEpson.so libEpson is linked dynamically with EpsonFiscalProtocol.so ( provided by Epson, no source available ) and pthread I use javah to generate [...] read more