﻿id	summary	reporter	owner	description	type	status	component	version	resolution	keywords	cc	guest	host
2600	VirtualBox x64 guest crashes periodically, reason unknown, log attached	Descent		"I have an ubuntu server x64 guest machine running with VBoxHeadless in the background (with ""/usr/bin/screen""). Sometimes I realize that it does not work anymore, but I can't afford that, cause this is a production server. The only clue I have are the logs, cause VBox does not produce any other messages, just kills the machine or closes the window (if I catch the error while running in the X environment).

This is what the log (which I think corresponds to the error) ends with:

00:00:06.643 Guest Log: BIOS: int13_harddisk: function 02, ELDL out of range 8F
00:00:06.755 PIT: mode=2 count=0x2e9c (11932) - 99.99 Hz (ch=0)
00:00:07.565 PIT: mode=0 count=0x10000 (65536) - 18.20 Hz (ch=0)
00:00:10.128 PIIX3 ATA: Ctl#0: RESET, DevSel=0 AIOIf=0 CmdIf0=0x20 (-1 usec ago) CmdIf1=0x00 (-1 usec ago)
00:00:10.128 PIIX3 ATA: Ctl#0: finished processing RESET
00:00:10.288 PIIX3 ATA: Ctl#1: RESET, DevSel=0 AIOIf=0 CmdIf0=0xa0 (-1 usec ago) CmdIf1=0x00 (-1 usec ago)
00:00:10.288 PIIX3 ATA: Ctl#1: finished processing RESET
00:00:20.046 PCNet#0: Init: ss32=1 GCRDRA=0x048ad000[32] GCTDRA=0x07870000[16]
10:38:05.818
10:38:05.818 !!Assertion Failed!!
10:38:05.818 Expression: i < 4096
10:38:05.818 Location : /home/vbox/vbox-2.0.4/src/VBox/Runtime/r3/linux/semevent-linux.cpp(188) int RTSemEventSignal(RTSEMEVENTINTERNAL*)
10:38:05.861 iCur=0x1 pThis=0000000001834fe0

I have noticed that the log tail is always the following:

02:44:29.618 !!Assertion Failed!!
02:44:29.618 Expression: i < 4096
02:44:29.618 Location : /home/vbox/vbox-2.0.4/src/VBox/Runtime/r3/linux/semevent-linux.cpp(188) int RTSemEventSignal(RTSEMEVENTINTERNAL*)
02:44:29.665 iCur=0x1 pThis=0000000002693430"	defect	closed	other	VirtualBox 2.0.4	duplicate	crash, x86-64		Linux	Linux
