[Fedora-xen] kvm memory corruption?

William John Murray bill.murray at stfc.ac.uk
Fri Mar 20 17:37:12 UTC 2009

    well after a couple of hours of running 'valgrind' on a massive
piece of code I have had no problem at all.
    Maybe something has change - but it is not in libvirt/kvm, there
have been no fedora changes there in the last few days. Unless it is the
guest, but that seems unlikely - it should not be allowed out!
William John Murray wrote:
>  Hi Mark,
>          Yes, you are correct. Trouble is it is a pig to do. I have to 
> actually use the machine
> to generate a hang, and when I do who knows what it costs me.
>    But I'll try.
>   Would you think virt-manager is the culprit? I see nothing 
> suspicious in the log file
> there.  Or kvm? or libvirt?
>             Bill
> Mark McLoughlin wrote:
>> Hi Bill,
>> On Tue, 2009-03-10 at 20:58 +0100, William Murray wrote:
>>> Hello there,
>>>             I have a VM installed in Fedora 10 with the virt-manager 
>>> gui. Its
>>> great! I love the fact I can mount disks so guest and host can both 
>>> see them.
>>> But..I created it with 1-2GB ram (from my total 4), and it defaults 
>>> to 1GB.
>>> That works. If I increase it to 2 I start to see weird crashes in 
>>> the host.
>>>    How can I migrate this system to having always 2GB please?
>>> ---and safely!
>> If this hasn't already been sorted out, please file a bug against the
>> kvm package which as many details as possible. See:
>>   https://fedoraproject.org/wiki/Reporting_virtualization_bugs
>> Also - the fedora-virt at redhat.com list would be more appropriate.
>> Thanks,
>> Mark.

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