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thus Farkas Levente spake:
> On 03/22/2010 12:12 PM, Timo Schoeler wrote:
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>> thus Farkas Levente spake:
>>> On 03/22/2010 12:03 PM, Timo Schoeler wrote:
>>>> Hi list,
>>>>
>>>> due to the necessity of having a patched KVM running, I build some new
>>>> RPMs. However, only
>>>>
>>>> kmod-kvm-83-105.27.x86_64.rpm
>>>>
>>>> is important to replace the 'original' one as it's the only package that
>>>> contains the patch. I didn't rename the packages, though, hopefully in
>>>> order not to break the upgrade path provided to us.
>>>>
>>>> The patch adresses following problem:
>>>>
>>>> 'Fix a race condition where qemu finds that there are not enough virtio
>>>> ring buffers available and the guest make more buffers available before
>>>> qemu can enable notifications.' [0], the thread startet as 'network
>>>> shutdown under heavy load' [1].
>>>>
>>>> KVM already contains the fix (since February 19th, IIRC), CentOS'
>>>> packages doesn't.
>>>>
>>>> The RPMs can be found here:
>>>>
>>>> http://www.riscworks.net/CentOS/KVM/fix-virt-io-ring-buffer-race/
>>> does it have an upstream (redhat) bugzilla entry?
>>> it'd be better if they fix it...
>> Sure, but we had the problem that it constantly crashed several
>> customer's domUs, so we had to fix it ASAP. Just wanted to make it more
>> convenient for people that have the same problem and can _not_ wait
>> until it's fixed upstream.
>
> then at least and src.rpm would be useful...
Okay, I'll see when I got time to create one...
Timo
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