Comment 39 for bug 1350519

On suspend dmesg shows the following error message:

[ 236.137036] PM: Syncing filesystems ... done.
[ 236.673588] Freezing user space processes ... (elapsed 0.007 seconds) done.
[ 236.680901] Freezing remaining freezable tasks ... (elapsed 0.000 seconds) done.
[ 236.681975] Suspending console(s) (use no_console_suspend to debug)
[ 236.693223] sd 0:0:0:0: [sda] Synchronizing SCSI cache
[ 236.695019] sd 0:0:0:0: [sda] Stopping disk
[ 237.336598] [drm:rv770_stop_dpm] *ERROR* Could not force DPM to low.
[ 239.009616] radeon 0000:01:00.0: power state changed by ACPI to D3cold
[ 239.009696] PM: suspend of devices complete after 2315.934 msecs
[ 239.009861] PM: late suspend of devices complete after 0.162 msecs

I've not seen any problems, suspend and resume worked correct so far.