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Bug#580050: linux-image-2.6.32-3-amd64: kcryptd crashes under heavy I/O



On Mon, 2010-05-03 at 14:19 +0300, Juha Koho wrote:
> Package: linux-2.6
> Version: 2.6.32-9
> Severity: critical
> Justification: breaks the whole system
> 
> Hello,
> 
> I have the following setup in my system: 6 x 500GB drives with
> software RAID6 + encryption (luks) + LVM. This is a new installation
> and I'm having troubles with encryption. Every once and a while
> kcryptd crashes and system becomes unresponsive. Well it responds to
> ping and currently running applications will continue running (if they
> don't need disk access I suppose) but I'm unable to ssh to the box
> anymore or run any new applications.
> 
> These crashes (always?) happen when there are lots of I/O going on.
> Ie. I can reproduce these crashes easily.
> 
> I have tested this with latest stable kernel version 2.6.33.3 but the
> problem persists.
[...]

Please report this at <https://bugzilla.kernel.org> under product
'IO/Storage', component 'LVM2/DM', and let us know their bug number so
we can track it.

Ben.

-- 
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.

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