From: Zdenek Kabelac <zkabelac@redhat.com>
To: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] deadlock during lvm snapshot target
Date: Tue, 29 Nov 2016 16:59:12 +0100 [thread overview]
Message-ID: <71a09047-1d6c-88b0-84d7-88049a5bbd15@redhat.com> (raw)
In-Reply-To: <77c42b07-5af7-a297-4562-cb4fcd9642c0@topit.si>
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
prev parent reply other threads:[~2016-11-29 15:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-28 11:58 [linux-lvm] deadlock during lvm snapshot Tomaz Beltram
2016-11-29 8:38 ` Zdenek Kabelac
2016-11-29 10:28 ` Tomaz Beltram
2016-11-29 15:59 ` Zdenek Kabelac [this message]
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