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Date: Tue, 26 Apr 2011 12:13:38 +0200
From: Bernhard Froehlich <decke@bluelife.at>
To: Oliver Pinter <oliver.pntr@gmail.com>
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Cc: freebsd-emulation@freebsd.org
Subject: Re: reproducible vbox crash
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On Tue, 26 Apr 2011 11:14:12 +0200, Oliver Pinter wrote:
> Only the VM terminates it - the system not paniced - , but no core
> files, and no DDB in kernel.

You need to have the DEBUG option enabled in the ports or use the
binary packages and set sysctl kern.sugid_coredump=1 first to also get
coredumps for suid binaries like VirtualBox is. Once you have a core
file please run "gdb /usr/local/lib/virtualbox/VirtualBox
your_corefile.core" and send me the output of "bt full".

-- 
Bernhard Fröhlich
http://www.bluelife.at/

> On 4/26/11, Bernhard Froehlich <decke@bluelife.at> wrote:
>> On Mon, 25 Apr 2011 20:00:54 +0200, Oliver Pinter wrote:
>>> Hi all!
>>>
>>> I run in to reproducible vbox crash. I think it is releated to AIO
>>> subsystem. The sceanrio how to reproduce:
>>>
>>> create vm:
>>> -------------------------------
>>> type: ubuntu 32bit
>>> hdd: dynamic 20GB
>>> ram: 1GB
>>> os: ubuntu server 8.04.4
>>>
>>> how to reproduce:
>>> start vm
>>> install ubuntu with default setting
>>> wait...
>>> on heavy disc load become a SIGSEGV
>>>
>>> -------------------------------
>>> not depend to hw virt
>>>
>>> --------------------------------
>>>
>>> @pandora-dev ~> VBoxManage --version
>>> 4.0.6_OSEr71344
>>>
>>> !!!!!!!!!!!!!!!!!!!!!!!!
>>> ktrace, kdump and some needed info:
>>> http://oliverp.teteny.bme.hu/freebsd/vbox/vbox-scenario.tar.xz
>>> !!!!!!!!!!!!!!!!!!!!!!!!
>>
>> Does the VM terminate or does it result in a kernel panic? Could you
>> please provide a stacktrace?
>>
>> --
>> Bernhard Fröhlich
>> http://www.bluelife.at/
>>
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