<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">yes, very stable now. no more crashes over last 2 days on a few vms running seamless mode<BR><BR>--- On <B>Wed, 11/4/09, Andreas - Sun Microsystems <I><pentagonik@sun.com></I></B> wrote:<BR>
<BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: rgb(16,16,255) 2px solid"><BR>From: Andreas - Sun Microsystems <pentagonik@sun.com><BR>Subject: Re: [vbox-dev] VBoxTray crash bug<BR>To: vbox-dev@virtualbox.org<BR>Cc: "Huihong Luo" <huisinro@yahoo.com><BR>Date: Wednesday, November 4, 2009, 1:49 AM<BR><BR>
<DIV class=plainMail>Huihong,<BR><BR>thanks for your patches! I was able to reproduce these bugs and your patches indeed fixed the problem. Your fixes should appear in SVN soon.<BR><BR>Cheers,<BR>-Andreas.<BR><BR><BR><BR>Huihong Luo schrieb:<BR>> this crash seems to go away after I fixed<BR>> VbglR3GetAdditionsVersion(), pls refer to my other email for more info<BR>> VbglR3GetAdditionsVersion() allocates lots of memory, and randomly corrupts certain area of memory when guest addition registry key is not present, i.e., with OSE additions<BR>> <BR>> <BR>> --- On *Tue, 11/3/09, Huihong Luo /<<A href="http://us.mc343.mail.yahoo.com/mc/compose?to=huisinro@yahoo.com" ymailto="mailto:huisinro@yahoo.com">huisinro@yahoo.com</A>>/* wrote:<BR>> <BR>> <BR>> From: Huihong Luo <<A href="http://us.mc343.mail.yahoo.com/mc/compose?to=huisinro@yahoo.com"
ymailto="mailto:huisinro@yahoo.com">huisinro@yahoo.com</A>><BR>> Subject: Re: [vbox-dev] VBoxTray crash bug<BR>> To: <A href="http://us.mc343.mail.yahoo.com/mc/compose?to=vbox-dev@virtualbox.org" ymailto="mailto:vbox-dev@virtualbox.org">vbox-dev@virtualbox.org</A>, "Andreas - Sun Microsystems"<BR>> <<A href="http://us.mc343.mail.yahoo.com/mc/compose?to=pentagonik@sun.com" ymailto="mailto:pentagonik@sun.com">pentagonik@sun.com</A>><BR>> Date: Tuesday, November 3, 2009, 2:21 AM<BR>> <BR>> this one keeps crashing on me<BR>> You can test it like this:<BR>> (1) xp vm<BR>> (2) toggle to seamless mode, open IE<BR>> (3) trying to install Firefox<BR>> (4) move
windows around, and let the vm to run for a while<BR>> I pretty much got crashes from vboxtray after 10 mins, always the<BR>> case, and it crashed from exactly same place, that free() function.<BR>> Perhaps, somewhere overrun the buffer. I double checked the code,<BR>> seems to be quite perfectly ok. Could ExtEscape() overruns the buffer?<BR>> with debug build of vboxtray.exe, it seems to be better.<BR>> This bug makes seamless mode not usable at all.<BR>> <BR>> <BR>> --- On *Tue, 10/27/09, Huihong Luo /<<A href="http://us.mc343.mail.yahoo.com/mc/compose?to=huisinro@yahoo.com" ymailto="mailto:huisinro@yahoo.com">huisinro@yahoo.com</A>>/* wrote:<BR>> <BR>> <BR>>
From: Huihong Luo <<A href="http://us.mc343.mail.yahoo.com/mc/compose?to=huisinro@yahoo.com" ymailto="mailto:huisinro@yahoo.com">huisinro@yahoo.com</A>><BR>> Subject: Re: [vbox-dev] VBoxTray crash bug<BR>> To: <A href="http://us.mc343.mail.yahoo.com/mc/compose?to=vbox-dev@virtualbox.org" ymailto="mailto:vbox-dev@virtualbox.org">vbox-dev@virtualbox.org</A>, "Andreas - Sun Microsystems"<BR>> <<A href="http://us.mc343.mail.yahoo.com/mc/compose?to=pentagonik@sun.com" ymailto="mailto:pentagonik@sun.com">pentagonik@sun.com</A>><BR>> Date: Tuesday, October 27, 2009, 9:00 AM<BR>> <BR>> very recent svn #23996<BR>> crash occured on seamless mode. I looked at the src
code, seems<BR>> to be very safe, kind of weird about this crash<BR>> <BR>> --- On *Tue, 10/27/09, Andreas - Sun Microsystems<BR>> /<<A href="http://us.mc343.mail.yahoo.com/mc/compose?to=pentagonik@sun.com" ymailto="mailto:pentagonik@sun.com">pentagonik@sun.com</A>>/* wrote:<BR>> <BR>> <BR>> From: Andreas - Sun Microsystems <<A href="http://us.mc343.mail.yahoo.com/mc/compose?to=pentagonik@sun.com" ymailto="mailto:pentagonik@sun.com">pentagonik@sun.com</A>><BR>> Subject: Re: [vbox-dev] VBoxTray crash bug<BR>> To: <A href="http://us.mc343.mail.yahoo.com/mc/compose?to=vbox-dev@virtualbox.org"
ymailto="mailto:vbox-dev@virtualbox.org">vbox-dev@virtualbox.org</A><BR>> Date: Tuesday, October 27, 2009, 6:39 AM<BR>> <BR>> Huihong,<BR>> <BR>> which exact VBox revision were you using? Please provide us<BR>> more information so that we can reproduce it. Thanks!<BR>> <BR>> -Andreas<BR>> <BR>> <BR>> Huihong Luo schrieb:<BR>> > a memory corruption error<BR>> > ////////////////////////////////<BR>> > Microsoft (R) Windows Debugger Version
6.11.0001.404 X86<BR>> > Copyright (c) Microsoft Corporation. All rights reserved.<BR>> ><BR>> > 0:007> g<BR>> > (648.64c): Access violation - code c0000005 (!!! second<BR>> chance !!!)<BR>> > eax=000004c8 ebx=00990000 ecx=7ffdf000 edx=00990608<BR>> esi=0098fd30 edi=009901f8<BR>> > eip=7c910717 esp=0012fadc ebp=0012fae8 iopl=0 nv<BR>> up ei ng nz ac po cy<BR>> > cs=001b
ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00000293<BR>> > ntdll!wcsncpy+0x198:<BR>> > 7c910717 f6460501 test byte ptr [esi+5],1 ds:0023:0098fd35=??<BR>> ><BR>> > WARNING: Stack unwind information not available.<BR>> Following frames may be wrong.<BR>> > ntdll!wcsncpy+0x198<BR>> > ntdll!wcsncpy+0x2cd<BR>> >
VBoxTray!free+0x6e<BR>> [f:\dd\vctools\crt_bld\self_x86\crt\src\free.c @ 110]<BR>> > VBoxTray!VBoxSeamlessCheckWindows+0x170<BR>> [c:\virtualbox-dev\vbox\src\vbox\additions\winnt\vboxtray\vboxseamless.cpp<BR>> @ 271]<BR>> > VBoxTray!VBoxServiceStart+0x31a<BR>> [c:\virtualbox-dev\vbox\src\vbox\additions\winnt\vboxtray\vboxtray.cpp<BR>> @ 455]<BR>> > VBoxTray!WinMain+0x60<BR>> [c:\virtualbox-dev\vbox\src\vbox\additions\winnt\vboxtray\vboxtray.cpp<BR>>
@ 549]<BR>> > VBoxTray!__tmainCRTStartup+0x177<BR>> [f:\dd\vctools\crt_bld\self_x86\crt\src\crt0.c @ 324]<BR>> > kernel32!RegisterWaitForInputIdle+0x49<BR>> ><BR>> ><BR>> ><BR>> ------------------------------------------------------------------------<BR>> ><BR>> > _______________________________________________<BR>> > vbox-dev mailing list<BR>>
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