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Bug#583686: Kernel exceptions in ext3/journal subsystem

Ben Hutchings <ben@decadent.org.uk> writes:
> On Sat, 2010-05-29 at 17:20 +0200, Christoph Egger wrote:
>> 	Running sbuild with lvm snapshots seems to hang and the kernel
>> is spitting out error messages. Seems it is having some trouble! Unfortunately
>> I'm no kernel expert so if you need something please ask.
> [...]
> This may be related to the infamous sync/umount bug
> <https://bugzilla.kernel.org/show_bug.cgi?id=15906>.

    This bug report always talks about ext4, which isn't used here. So
I'm not quite sure it's related. Also running the touch / umount snipet
From the bug report runs in acceptable time and doesn't spit out loads
of kernel traces as debootstrap / sbuild / et all does

> Does this happen when sbuild unmounts a temporary filesystem?

    Last time it died in the middle of an apt-cache call which doesn't
(as far as I understand it) do any (u)mounts.



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