[dm-devel] Unable to deactivate lv, pehaps due to semaphore problem...

Gianluca Cecchi gianluca.cecchi at gmail.com
Thu Nov 27 16:46:23 UTC 2014

On Thu, Nov 27, 2014 at 5:35 PM, Zdenek Kabelac <zkabelac at redhat.com> wrote:

> As I've been pointed our cgroups could play some role -

mhh I don't think I'm using Control Groups at all....
[root at orapr2 ~]# rpm -qa |grep group
[root at orapr2 ~]#

[root at orapr2 ~]# ll /etc/cgconfig.conf
ls: cannot access /etc/cgconfig.conf: No such file or directory

> so lets repeat with  /proc/*/mountinfo
[root at orapr2 ~]# cat /proc/*/mountinfo > /tmp/proc.log
cat: /proc/33700/mountinfo: Invalid argument
cat: /proc/33735/mountinfo: No such file or directory

[root at orapr2 ~]# wc -l /tmp/proc.log
55050 /tmp/proc.log

 [root at orapr2 ~]# grep 253:49 /tmp/proc.log
[root at orapr2 ~]#

Also check  /proc/swaps ?
 [root at orapr2 ~]# cat /proc/swaps
Filename Type Size Used Priority
/dev/sda2                               partition 16777212 0 -1
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