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After resume I can't run some apps (gedit, evince, ...) Nothing happen. And after ~10 minutes it launches, all blocked app in same time. But sometimes only a reboot will work to resolve it.

With a ps -aux | grep gedit it displays:

6295  0.0  0.4 558540 19004 ?        Dl   11:25   0:00 gedit

The Stat of that process is **Dl** until is unblock. This is not normal.

This Ubuntu Desktop has some SMB (CIFS) mount and I discover a problem in the log file:

Aug  6 11:17:15 dir1-desktop kernel: [ 2664.866908] CIFS VFS: Server XXX.XXX.XXX.XXX has not responded in 120 seconds. Reconnecting...
Aug  6 11:30:44 dir1-desktop kernel: [ 3470.985769] INFO: task pool:6318 blocked for more than 120 seconds.
Aug  6 11:30:44 dir1-desktop kernel: [ 3470.985774] "echo 0 > /proc/sys/kernel

This is probably linked, but have no idea how to resolve it. I have already tried different kernel version.

Thanks in advance!

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I think is either: too full HDD, damaged hardware, a nasty bug or some process trashing more than usual the HDD. I recommend you to try for each of them. –  Braiam Aug 8 '13 at 19:19
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