Re: deadlock during lvm snapshot target

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Dne 29.11.2016 v 11:28 Tomaz Beltram napsal(a):
On 29. 11. 2016 09:38, Zdenek Kabelac wrote:

Please switch to newer version of lvm2.

Sequence with snapshot activation had been reworked to minimize possibility
to hit this kernel race - race is still there even with the latest kernel, but in the real world you should not have a much chance to hit it.
Thanks for the explanation. I reported this to Ubuntu launchpad. Please add
your votes.

https://bugs.launchpad.net/ubuntu/+source/lvm2/+bug/1645636



Yep just a minor comment - it's not 'fixed' - but the chance to hit the race have been considerably decreased - but we still have an example where it could be demonstrated (and it's not just 'dm' - it's more generic - see Mikulas's post)

Regards

Zdenek


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