[dm-devel] Unable to deactivate lv, pehaps due to semaphore problem...
Zdenek Kabelac
zkabelac at redhat.com
Thu Nov 27 16:35:48 UTC 2014
Dne 27.11.2014 v 17:27 Gianluca Cecchi napsal(a):
> On Thu, Nov 27, 2014 at 5:05 PM, Zdenek Kabelac <zkabelac at redhat.com
> <mailto:zkabelac at redhat.com>> wrote:
>
>
>
> So it's likely a time to look through 'dmesg' output if there is not
> something suspicious ?
>
> Kernel bug/report showing some error behavior which may lead to openned
> descriptor being leaked?
>
> Is there anything in /sys/block/dm-49/holders ?
>
> cat /proc/self/mountinfo | grep 253:49 ?
>
>
>
> I tried before, but found nothing
>
> [root at orapr2 ~]# ll /sys/block/dm-49/holders
> total 0
>
> [root at orapr2 ~]# cat /proc/self/mountinfo | grep 253:49
> [root at orapr2 ~]#
>
As I've been pointed our cgroups could play some role -
so lets repeat with /proc/*/mountinfo
Also check /proc/swaps ?
Zdenek
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