[NBLUG/talk] Glitches in a VirtualBox guest?

[Bob Blick]

On Tue, Jan 31, 2012, at 10:28 PM, Lincoln Peters wrote:
> I have a rather odd setup on my work PC: the host OS is Windows 7
> Enterprise 64-bit (not my choice), and I have a few VMs under
> VirtualBox 4.0.0, each running Red Hat Enterprise Server 5.6 (mostly
> 64-bit, but one VM is 32-bit) with the exact same kickstart that is
> used on some of our lab machines (various Dell PowerEdge rackmount
> servers, not using VMs).  For the most part, the VMs work exactly like
> the lab machines, but every so often, I'll try to build a C++ project
> on a VM, and either g++ or ld will segfault, seemingly at random (it
> could be on the first source file or shared object, or it could be
> several minutes into the build).  I've never seen these sorts of
> failures on the lab machines.  I have not seen any other processes
> crash randomly on the VMs, although for all I know right now that
> might just be a coincidence.
> 
> Has anyone ever seen anything like this, and/or have any ideas what
> might cause it?  Any thoughts on how to troubleshoot it, either from
> VirtualBox or from the guest OS?

Hi Lincoln,

Almost all the crashes like that I've ever seen have turned out to be
hardware problems. If you can take the whole computer offline I'd
suggest running MemTest86 overnight and see if you get any red lines.

Cheerful regards,

Bob

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