Bug#714295: linux-image-3.2.0-4-686-pae: ext4 on top of raid1. Frequent and serious data corruption issues

[Ben Hutchings <ben@decadent.org.uk>]

Control: tag -1 moreinfo

On Thu, Jun 27, 2013 at 06:06:06PM +0200, Martin Braure de Calignon wrote:
> Package: src:linux
> Version: 3.2.46-1
> Severity: critical
> Tags: upstream
> Justification: causes serious data loss
> 
> Hi,
> 
> I'm experiencing frequent data corruption on my raid1 ext4 fs.
> The error is not always the same.
[...]
> [1374596.124050] CPU0: Core temperature above threshold, cpu clock throttled (total events = 5921)
> [1374596.125031] CPU0: Core temperature/speed normal
> [1374825.000038] [Hardware Error]: Machine check events logged
[...]

This looks like a hardware fault.  If you install mcelog it will
decode these MCEs (machine check events) into /var/log/messages
which may provide a clue about what's going wrong.

Ben.

-- 
Ben Hutchings
We get into the habit of living before acquiring the habit of thinking.
                                                              - Albert Camus