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Bug#860833: 50mounted-tests hangs at dmsetup when using biosgrub partition on a left over fat32 partition

On 04/20/2017 08:34 PM, Marga Manterola wrote:
>> After a lot of debugging with Philipp Kern, we were able to find out
> that dmsetup was hanging on a udev cookie semaphore.  The udev outside
> of the chroot is compiled udev_sync, and it doesn't have dmsetup rules,
> so it seems that it's not sending the dmsetup udevcomplete signal and
> thus dmsetup hangs forever. Another possible workaround then is to send
> the right dmsetup udevcomplete signal, and then installation proceeds.

One small correction: The *dmsetup* outside of the chroot is compiled
*without* udev_sync as it's coming from the udeb. It also doesn't ship
with 55-dm.rules so it wouldn't call `dmsetup udevcomplete' even if it
were compiled with udev_sync.

Kind regards
Philipp Kern

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