id,summary,reporter,owner,description,type,status,component,version,resolution,keywords,cc,guest,host 10434,Assertion Failed crash under heavy disk IO,level7,,"Hi, when my Guest VM is under heavy disk IO (doing `svn update` of a large working directory) it randomly crashes (1-2 times a day) with the following error in the log file: {{{ 16:25:49.040 AsyncCompletion: Task 0x007fc5fb991480 completed after 15 seconds 16:25:49.040 AsyncCompletion: Task 0x007fc5fb9916c0 completed after 15 seconds 16:25:49.040 AsyncCompletion: Task 0x007fc5fb991680 completed after 15 seconds 16:25:50.913 AHCI#0: Canceled read at offset 11987676672 (114688 bytes left) returned rc=VINF_SUCCESS 16:25:50.913 16:25:50.913 !!Assertion Failed!! 16:25:50.913 Expression: pSgBuf->cbSegLeft <= 5 * _1M && (uintptr_t)pSgBuf->pvSegCur >= (uintptr_t)pSgBuf->paSegs[pSgBuf->idxSeg].pvSeg && (uintptr_t)pSgBuf->pvSegCur + pSgBuf->cbSegLeft <= (uintptr_t)pSgBuf->paSegs[pSgBuf->idxSeg].pvSeg + pSgBuf->paSegs[pSgBuf->idxSeg].cbSeg 16:25:50.913 Location : /home/vbox/vbox-4.1.12/src/VBox/Runtime/common/misc/sg.cpp(54) void* sgBufGet(RTSGBUF*, size_t*) 16:25:50.913 pSgBuf->idxSeg=0 pSgBuf->cSegs=1 pSgBuf->pvSegCur=00007fc5f4ab1000 pSgBuf->cbSegLeft=65536 pSgBuf->paSegs[0].pvSeg=000000000176c330 pSgBuf->paSegs[0].cbSeg=114688 }}} * Host: Ubuntu 10.10 64bit * Guest: Ubuntu 8.04 64bit",defect,closed,other,VirtualBox 4.1.12,duplicate,,,Linux,Linux