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[Launchpad Bug Tracker <1177967@xxxxxxxxxxxxxxxxxx>]

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Hi all,

Since upgrade to Kubuntu 13.04, the suspend-to-ram option doesn't work.
The error reported in the "dmesg | grep PM" is "Device 3:0:0:0 failed to suspend async: error 134217730"
The dmesg log is : 
[  767.677738] PM: Syncing filesystems ... done.
[  768.725558] PM: Device 3:0:0:0 failed to suspend async: error 134217730
[  768.842476] PM: Some devices failed to suspend
[  772.386385] PM: resume of devices complete after 3552.271 msecs

So, when I try to suspend-to-RAM, the PC goes sleeping and wake up immediately due to a device (which one ?) that failed to suspend. I tried also the "pm-suspend" in command line, same result. Instead, the suspend-to-hisk (hibernate) works perfectly.
If I reboot to the Ubuntu 12.10 kernel (kernel before upgrade, version 3.5.0-27-generic), it works prefectly again.
I tried with this kernel http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.8-raring/, the problem is still there.

Kernel version is "Linux pc-fixe 3.8.0-19-generic #30-Ubuntu SMP Wed May 1 16:35:23 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux" and everything is up-to-date. 
Ubuntu version : 
Description:    Ubuntu 13.04
Release:        13.04

I attached the log files corresponding to the problem (kern.log and pm-
suspend.log). Don't hesitate to ask if more information is needed or I
must run some tests.

** Affects: linux (Ubuntu)
     Importance: Medium
         Status: New

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Suspend to RAM wake up immediately with error "Device 3:0:0:0 failed to suspend async: error 134217730"
https://bugs.launchpad.net/bugs/1177967
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