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Bug#587763: linux-image-2.6.32-5-amd64: scary messages from JBD when manipulating quotas on ext4



On Thu, 2010-07-01 at 15:29 +0200, Laurent Bonnaud wrote:
> Package: linux-2.6
> Version: 2.6.32-15
> Severity: important
> 
> 
> Hi,
> 
> here is how to reproduce this bug:
> 
> 1. set up quotas on an ext4 filesystem
> 2. use edquota to change the quotas of some user
> 
> Actual result: the kernel outputs this scary message:
> 
> [  399.792052] JBD: Spotted dirty metadata buffer (dev = sdb1, blocknr =
> 34816). There's a risk of filesystem corruption in case of system crash.
> 
> Expected result: 
>  - no scary message
>  - no filesystem corruption
>  - changed quotas
> 
> A patch has been proposed here:
> 
>   http://www.spinics.net/lists/linux-ext4/msg19302.html
> 
> This bug has also been reported here:
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=578674
[...]

That proposed patch seems to have been contentious and has not been
applied upstream.  I think you will need to revive the discussion with
the upstream developers.

Ben.

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

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