[Bug 595489] Re: lvm snapshot of root lv causes deadlock in 2.6.35

[Phillip Susi]

On 6/22/2010 3:38 PM, Jeremy Foshee wrote:
> Phillip, Is there an upstream bug number we can use to watch the
> progress of the discussion?

No, and the discussion seems to have stalled.  The original author of
the commit said that he was able to reproduce it when snapshotting a non
root lv, but only if there was some io activity going on at the time of
the snapshot.  He got a sysrq-w output showing the lvcreate process and
a kernel mode thread stuck with their stack traces, but no idea what the
actual problem is.

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lvm snapshot of root lv causes deadlock in 2.6.35
https://bugs.launchpad.net/bugs/595489
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