Windows error 0x00000044, 68

iOS 6 Maps occasional Crash

I'm getting occasionally crash with iOS 6 MapKit. Can't really reproduce it. What can cause this? Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x00000044 Crashed Thread: 0 Thread 0 name: Dispatch queue: com.apple.main-thread Thread 0 Crashed: 0 IMGSGX543GLDriver 0x38f231b4 sgxTextureGetImageRowBytes(GLDTextureRec*, unsigned int, unsigned int) + 8 1 IMGSGX543GLDriver 0x38f23160 [...] read more

WinRT - Windows Store - WinRT Originate Error - How do decipher such an error?

I'm working on a Windows Store app and I'm getting a WinRT error that doesn't really give me any information so I would like to know how to understand these sorts of errors. Basically I get the error on the following line which is called inside OnPointerPressed: m_gestureRecognizer->ProcessDownEvent(args->GetCurrentPoint(nullptr)); The error [...] read more

Bluescreen Stop 0x00000027 RDR_FILE_SYSTEM after cloning system on new HDD

A couple of months ago I got a new 500GB HDD for my no-name-brand Laptop PC and I cloned the complete Win 7 Pro 32bit system with clonezilla from the old 70GB drive to the new one. At first everything was great, the new driver was immediately updated. But since [...] 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

Linux heap structure and the behaviour with malloc() and free()

I have a Debian with a Linux 2.6 Kernel, and I try to understand how the heap works/behaves with malloc() and free(). I tried to search for malloc() and free() algorithm and heap structure, but I couldn't find anything helpful. And unfortunately, I know too less about Linux and how [...] read more

BSOD - Multiple IRP Complete Requests

I've been getting a BSOD with the error message "MULTIPLE_IRP_COMPLETE_REQUESTS" for the past few days and I can't seem to figure out what the cause is. I've checked the event viewer, and even though its 10:10 PM on my clock, the last recorded event in the event viewer is at [...] read more

Investigating Memory Leak

We have a slow memory leak in our application and I've already gone through the following steps in trying to analyize the cause for the leak: 1. Enabling user mode stack trace database in GFlags 2. In Windbg, typing the following command: !heap -stat -h 1250000 (where 1250000 is the [...] read more

JFFS2 filesystem corrupts immediately (Magic bitmask 0x1985 not found errors)

I have created a root filesystem with buildroot that is using squashfs. It works fine, and now I would like to create an overlayfs, which would hold /home and /etc directories. For this purpose, I wanted to create a simple jffs2 filesystem with couple of files: jlumme@simppa:~/projects/jffs2_home$ ls -la total [...] read more

Server 2008 32 bit SP2 random BSOD

First time poster, so please excuse if I forget anything here. I have a Windows Server 2008 SP2 32 bit server running on VMware ESXi 5.1 that is randomly dumping and rebooting itself. I have been digging around, and it seems to be related to a network driver issue, but [...] read more

Adding Prepared Maps causes Android SDK to crash

I am using the Skobbler Android SDK within a cordova plugin. It works fine in ONLINE Mode, showing me the map view. But my goal is to provide maps for OFFLINE navigation. So I followed the following tutorial on prepared maps: http://sdkblog.skobbler.com/creating-an-app-with-a-pre-bundled-map/ But now in OFFLINE MODE with having added [...] 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

Windows 7 dsound.dll load from dll crash

I'm getting a crash when loading dsound.dll from another DLL in Windows 7. The following code crashes: #include <Windows.h> #include <mmreg.h> #include <dsound.h> #include <assert.h> HRESULT (WINAPI *pDirectSoundEnumerateA)(LPDSENUMCALLBACKA pDSEnumCallback, LPVOID pContext); HMODULE hDsound; BOOL CALLBACK DSEnum(LPGUID a, LPCSTR b, LPCSTR c, LPVOID d) { return TRUE; } void CrashTest() { [...] read more

What's going on with this reparse point created by mklink?

Here's some odd behavior I encountered with mklink which ships in Windows since Vista. I suspect if may be a defect in mklink or even as deep as the NTFS file system driver, but the behavior could use some explanation. This behavior was encountered on Windows 7 and 10 respectively. [...] read more

Segmentation fault using pthread and arm-linux-gnueabihf-gcc

I have been trying all day to fix a segmentation fault that only occurs on one device. But from the beginning... #include <string.h> #include <stdio.h> #include <stdlib.h> #include "pthread.h" void* start_rtn(void* param); int main(int argc, char **argv) { printf("Hallo World\n"); pthread_t tid; int err = pthread_create(&tid, NULL, start_rtn, NULL); pthread_join(tid, [...] read more

unknown arm linux kernel image format

I have a ARM linux kernel image file. but I am not sure exactly what kind of format it is... the 'file' command tells me that it is pure data. first, I thought it is vmlinuz and tried to decompress it. I searched 'gzip' header signature and uncompressed from there. [...] read more

File missing or corrupted on mounting jffs2

I'm facing two problems on mounting jffs2 on NOR flash: I'm running a board with squashfs as rootfs and I tried to mount jffs2 on another mtdblock as below : mount -t jffs2 /dev/mtdblock6 /tmp/jffs After that I copy some files into /tmp/jffs but system gives the error when the [...] read more

Crash in background- Sprite-Kit related

As the title says- my Sprite Kit game crashes every now and then in background, always with this error- Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Subtype: KERN_INVALID_ADDRESS at 0x00000001 Triggered by Thread: 0 Thread 0 Crashed: 0 libGPUSupportMercury.dylib 0x3220193a gpus_ReturnNotPermittedKillClient + 10 1 libGPUSupportMercury.dylib 0x322023d4 gpusSubmitDataBuffers + 100 2 IMGSGX543RC2GLDriver 0x2c6211c4 [...] read more

How can I replace a word with text from earlier in the same line?

I have a text file that looks like this: _map[0x00000044] = "screen"; _map[0x00000059] = "map"; _map[0x0000006e] = "info"; I would like to replace the words at the end of each line so my output looks like this: _map[0x00000044] = "0044"; _map[0x00000059] = "0059"; _map[0x0000006e] = "006e"; I would like to [...] read more

ESP32 as WiFi access point crashes on connection

I'm programming an ESP32 via ArduinoIDE and stumble upon a strange problem. It operates as WiFi access point, the code is quite simple and straight-forward: IPAddress apIP(192,168,1,1); WiFi.mode(WIFI_AP); WiFi.softAP("MyESP32"); WiFi.softAPConfig(apIP,apIP,IPAddress(255,255,255,0)); Now when a client connects to this AP, it often prints out these error messages: dhcps: send_nak>>udp_sendto result 0 dhcps: [...] read more

STM32 GPIO register level input

It's actually a basic code for controlling buzzer with leds. I did with HAL libraries.But the institution I was working with wanted to do this at the register level too. But I couldn't it. It's not too complicated however i don't understand where the problem is. My code in below. [...] read more

Class Wizard in VS2013 doesn't create Attribute methods for OCX control

I have a legacy application that was built with VC++6.0 that uses an OCX control. I have upgraded the application to build with VS2013. Initially I got it to build and run successfully but when I tried to regenerate the ocx.h and ocx.cpp file using the Class Wizard by 1. [...] read more

Beaglebone Black and Qt5.10

I am using Beaglebone Black Rev C with BB-View CapeManager as follow: 1. Latest kernel version: "Linux arm 4.15.0-bone2.1 #1 Tue Jan 30 11:48:09 GMT 2018 armv7l GNU/Linux" 2. BBB fire up correctly and screen work correctly 3. Build Qt-everywhere package 5.11 fro io.qtdownload site 4. The Qt for ARM [...] 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

Specifying the pointer when copying with OpenCV

I'm having an image memory that I stocked and saved it in a pointer to not loose its address. I would like now to assign it to an IplImage by the following function memcpy (what I have tested): IplImage* img=cvCreateImage(cvSize(640, 480), IPL_DEPTH_16U, 1); VOID* ImgMem; memcpy(img->imageData, ImgMemory, (640*480)); It really [...] read more

program failed. sharedPtr vector c++

PLEASE, i realy need help.. don't panic from the sharedPtr implementation I'm having a problem with my project in c++. In my project, I'm creating a company which holds all the information about its employees (artist, programmer,manager), projects ,... for holding all the employees I use a vector of SharedPtr(use [...] 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

Seg Fault in ARM Assembly

So, I am trying to learn ARM assembly and basically what I want to do is turn on the LEDs of my BeagleBone Black using pure assembly. I know how to program in C very well, but I am new to ARM assembly if that makes any difference. Basically I [...] read more

Why not get the offset to the read-write functions of my driver?

I'm programming a driver that performs reads and writes to memory locations that have been mapped (in driver open) with: request_mem_region(0x62200000,0x0006C,secuencial); contador = ioremap_nocache(0x62200000,0x0006C ); where: 0x62200000,0x0006C is the memory location and size of a ipcore that has been instantiated in memory. "secuencial" is the name of the device driver. [...] read more

SQLite3 is crashing the JVM

I am using sqlite-jdbc 3.7.2 when i run my application, SQLLite is crashing the JVM. It is not happening consistently but it happened twice. Please help to find the issue. A fatal error has been detected by the Java Runtime Environment: SIGSEGV (0xb) at pc=0x01c60d18, pid=5731, tid=5888912 JRE version: Java(TM) [...] read more

What is a better way to turn a user-inputted hexadecimal string into a binary in MIPS?

I'm taking a computer architecture class, and they're having us use MIPS assembly. Our current assignment is asking us to take a user-inputted hex string, and turn it into a binary one. The code I've written "works", but it's horrible, to say the least. What would be a better approach [...] read more

AWS) crosscompile C sdk To ARM - not a dynamic Executable

I crosscompile AWS Embedded CSdk through gnueabigcc and put it in the device. But when I run it, there's an error that says I can't run it because I don't have a library. When I tried ldd "file name" with Linux, the phrase "not a dynamic Executable" appears. I think [...] read more

UE4 Crash when open folder with AnimBP

When i open folder with AnimBP it just crashes Ver:Unreal engine 4.24.3 Fatal error! Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x00000044 0x00007ffc27608820 UE4Editor-Engine.dll!USkeletalMeshComponent::ComputeRequiredBones() [d:\build\++ue4\sync\engine\source\runtime\engine\private\components\skeletalmeshcomponent.cpp:1647] 0x00007ffc27624b91 UE4Editor-Engine.dll!USkeletalMeshComponent::RecalcRequiredBones() [d:\build\++ue4\sync\engine\source\runtime\engine\private\components\skeletalmeshcomponent.cpp:1700] 0x00007ffc2761985b UE4Editor-Engine.dll!USkeletalMeshComponent::InitAnim() [d:\build\++ue4\sync\engine\source\runtime\engine\private\components\skeletalmeshcomponent.cpp:652] 0x00007ffc276207c3 UE4Editor-Engine.dll!USkeletalMeshComponent::OnRegister() [d:\build\++ue4\sync\engine\source\runtime\engine\private\components\skeletalmeshcomponent.cpp:527] 0x00007ffc275417e0 UE4Editor-Engine.dll!UActorComponent::ExecuteRegisterEvents() [d:\build\++ue4\sync\engine\source\runtime\engine\private\components\actorcomponent.cpp:1362] 0x00007ffc2756edee UE4Editor-Engine.dll!UActorComponent::RegisterComponentWithWorld() [d:\build\++ue4\sync\engine\source\runtime\engine\private\components\actorcomponent.cpp:1098] 0x00007ffc2718b7a0 UE4Editor-Engine.dll!AActor::IncrementalRegisterComponents() [d:\build\++ue4\sync\engine\source\runtime\engine\private\actor.cpp:4447] 0x00007ffc2719912c UE4Editor-Engine.dll!AActor::RegisterAllComponents() [d:\build\++ue4\sync\engine\source\runtime\engine\private\actor.cpp:4346] 0x00007ffc271972c7 UE4Editor-Engine.dll!AActor::PostSpawnInitialize() [d:\build\++ue4\sync\engine\source\runtime\engine\private\actor.cpp:3047] 0x00007ffc27a7106f UE4Editor-Engine.dll!UWorld::SpawnActor() [d:\build\++ue4\sync\engine\source\runtime\engine\private\levelactor.cpp:493] [...] read more

Issues with Writing

------------------------------------------------------------ UPDATED ------------------------------------------------------ I'm trying to make a code to reverse a string from one location and place it in another, but I keep getting an issue in the start of the reverse part. I want to load the last byte of the string into another register, but I get [...] 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

ChoosePixelFormat Access violation reading location

I'm trying to create a simple OpenGL context but the program crashes on ChoosePixelFormat with the error "Unhandled exception at 0x779CE0E6 (ntdll.dll) in OpenGL.exe: 0xC0000005: Access violation reading location 0x00000044." This same code used to work a while back but for some reason doesn't work anymore. I tried updating my [...] read more

Why Am I Getting an Access Violation Error When Blitting Text With SDL2_ttf?

I'm attempting to integrate SDL_ttf into a particle generator program that I wrote recently, but I keep getting a runtime error: Access violation reading location 0x00000044.. This occurs when I attempt to blit a text surface to the game screen. I've scanned through my code several times, and had similar [...] read more

nasm/ld failing to do %include on cygwin

I'm trying to assemble using nasm on Cygwin 32 bits (following Part IV of Dandamudi, Sivarama P. Guide to Assembly Language Programming in Linux. New York: Springer, 2005). However, I get the following errors: $ nasm -f win32 sample.asm $ nasm -f win32 io.mac $ ld -m i386pe io.obj -lc [...] read more

Backtrace on ARM has repeating entries

I experience a strange behaviour when creating a backtrace on an ARM platform running under Linux. Sometimes the backtrace output seems to be corrupted, depending on the code executed prior to the fault. Here's my Crash.cpp code: #include <cstdio> #include <execinfo.h> #include <unistd.h> #include <sys/syscall.h> #include <ucontext.h> const unsigned int [...] read more

C++ SDL Unhandled exception at 0x6C7DB2AA (SDL2.dll) in "File".exe: 0xC0000005: Access violation reading location 0x00000044

Getting in to SDL I stated following the tutorials "StaysCrisp" on DreamInCode. The problem is that when I am trying to use one of the draw methods. I get the Error : Unhandled exception at 0x6C7DB2AA (SDL2.dll) in Tutorial.exe: 0xC0000005: Access violation reading location 0x00000044. The problem is in the [...] read more

MapView EXC_BAD_ACCESS (SIGSEGV) and KERN_INVALID_ADDRESS

I'm having some 'issues' with my application... well, it crashes in an UIViewController that is presented modally, there the user enters information through UITextFields and his location is tracked by a MapView. Lets call this view controller "MapViewController" When the user submits the form, I call a different ViewController - [...] read more

Generating machine code from C

Sorry if these are naive questions - I have very little understanding of how C really works at the low level. So I'm generating machine code to write to some mmap'd memory for execution. I'm confused about the use of hexadecimal literals for generating machine code. Consider the assembly instruction [...] read more

Why is this while loop breaking while reading an avi file in opencv?

int main(int argc, char* argv[]) { ofstream file; file.open("Motion.dat"); int frame_number = 0; CvCapture* capture = cvCreateFileCapture("Cricketc1.avi"); CvCapture* capture1 = cvCreateFileCapture("Cricketc1.avi"); IplImage* imgsize = NULL; IplImage *img1 = NULL; IplImage *img2 = NULL; IplImage *vidFrame = NULL; IplImage *imggray1 = NULL; IplImage *imggray2 = NULL; IplImage *imggray3 = NULL; cvNamedWindow("Video", [...] read more

Access violation at sql query in deserialization in Delphi

I wrote the following code by serialization and a deserialization of forms and their contents to Delphi unit SerAndDeser; interface uses Classes,MainForm,ListOfTables,DataOfTable,SerialForms,sysutils,ActiveX, DatabaseClasses, UnloadProcs; procedure Ser(); procedure Deser(); function GetGUID(): string; function DeleteSymbols(inputstr : string) : string; implementation function GetGUID(): string; var GUID : TGUID; begin Result := ''; if [...] read more

Why the swap program which collects addresses in pointers to pointers did not work?

I have a program below void swap(char **s1,char **s2); int main() { char *list[] = { "Das", "Kannan", "Rajendran", "Shahul" }; printf("Before swap list[0] = %s,list[1] = %s\n",*list[0],*list[1]); swap(&list[0],&list[1]); printf("After swap list[0] = %s,list[1] = %s\n",*list[0],*list[1]); return 0; } void swap(char **s1,char **s2) { char *t; t = *s1; *s1 [...] read more

How to access the full stack trace of mallocs in an MFC 8.0 application?

I'm trying to find a memory leak in a windows MFC 8.0 application (Release build). After failing to show the full stack trace of allocations using WinDbg (or umdh) due to VC8 CRT's malloc problem with FPO, I've tried to apply the solution proposed here (i.e. using LeakDiag with DbgHlp [...] read more