Comment 4 for bug 781977

Confirmed on Asus S6F notebook for both standby and suspend.
Attached dmesg output for standby.

The relevant lines:

[ 251.348088] PM: Entering mem sleep
[ 251.348130] Suspending console(s) (use no_console_suspend to debug)
[ 251.348966] sd 0:0:0:0: [sda] Synchronizing SCSI cache
[ 251.349845] sd 0:0:0:0: [sda] Stopping disk
[ 251.436092] legacy_suspend(): pnp_bus_suspend+0x0/0x90 returns 38
[ 251.436097] PM: Device 00:0b failed to suspend: error 38
[ 251.436100] PM: Some devices failed to suspend
[ 251.436336] sd 0:0:0:0: [sda] Starting disk