[vbox-dev] Guest OS, segmentation faults under certain OS setups.

Sander van Leeuwen Sander.Vanleeuwen at Sun.COM
Thu Jun 17 03:00:54 PDT 2010


Sorry, but why do you (and some others) think that the developer's 
mailinglist is meant for bug reports? We have a bug tracker system on 
our site for reporting genuine bugs.
You will receive no answers here, so please use the appropriate way to 
report problems.

On 6/17/2010 11:35 AM, Fabio Erculiani wrote:
> I think I've found a weird, reproducible (on my machine) critical
> issue with VirtualBox 3.2.4. Here's my setup:
>
> CPU: model name      : Intel(R) Core(TM) i5 CPU         750  @ 2.67GHz
> GPU: NVIDIA (8600GTS and even with GTX465)
> RAM: 8GB DDR3
> Chipset: Intel P55 (MSI GD-55)
> Kernel: Linux mars 2.6.34-sabayon #1 SMP Mon May 31 16:00:15 UTC 2010
> x86_64 Intel(R) Core(TM) i5 CPU 750 @ 2.67GHz GenuineIntel GNU/Linux
> Kernel config: http://distfiles.sabayon.org/sys-kernel/linux-sabayon-patches/config/sabayon-2.6.34-amd64.config
> VirtualBox ver: 3.2.4, same for guest-additions and vboxdrv
> Guest OS: Sabayon 5.3 amd64/x86 (doesn't matter), ISO images are
> publicly available
> Host OS: Sabayon/Gentoo
>
> If I install two instances of the Guest OS above on different
> partitions, both of them get unusable due to random segmentation
> faults being thrown.
> The partition layout is as this:
> - sda1 /boot OS1
> - sda2 / OS1
> - sda3 swap OS1
> - sda5 LVM OS2
>    =>  inside there are root volume and swap volume
> Bootloader: GRUB2
>
> OS1 is 64bit
> OS2 is 32bit
>
> Once I remove sda5 (or sda1,2,3, in other words, once I keep just one
> OS on the virtual drive) and reboot, the remaining OS is back to a
> healthy state (no more random segfaults).
> How's that possible?
> VT and Nested paging are enabled, 3D accel is enabled, RAM is 1G and
> OS profile is "Gentoo (64bit)".
> It is perfectly reproducible on my PC, I have not tested the same
> setup on others and I exclude any host hardware issue.
>
> Let me know if you need anything more specific.
>
>    


-- 
Kind regards / Mit freundlichen Gruessen / Met vriendelijke groet

--

Sun Microsystems GmbH        Sander van Leeuwen
Werkstrasse 24               Senior Staff Engineer, VirtualBox
71384 Weinstadt, Germany     mailto:Sander.Vanleeuwen at sun.com


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