Comment # 10
on bug 66940
from Bernhard Held
My mileage varies with 3.11-rc5. In rare case suspend/resume works. Most of the time suspend shows: [ 34.926841] Freezing user space processes ... (elapsed 0.001 seconds) done. [ 35.075229] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done. [ 45.908028] radeon 0000:01:00.0: GPU lockup CP stall for more than 10000msec [ 45.908031] radeon 0000:01:00.0: GPU lockup (waiting for 0x0000000000000004 last fence id 0x0000000000000002) [ 45.908033] [drm:r600_uvd_ib_test] *ERROR* radeon: fence wait failed (-35). [ 45.908037] [drm:radeon_ib_ring_tests] *ERROR* radeon: failed testing IB on ring 5 (-35). During resume the PC either freezes after "PM: Read xxxxx kbytes in y.yy seconds" or dmesg shows: [ 4.879714] Freezing user space processes ... (elapsed 0.000 seconds) done. [ 5.190862] PM: Using 3 thread(s) for decompression. [ 5.190862] PM: Loading and decompressing image data (99920 pages)... [ 5.466130] PM: Image loading progress: 0% [ 5.774497] PM: Image loading progress: 10% [ 5.868650] PM: Image loading progress: 20% [ 5.951424] PM: Image loading progress: 30% [ 6.044454] PM: Image loading progress: 40% [ 6.158650] PM: Image loading progress: 50% [ 6.249908] PM: Image loading progress: 60% [ 6.336868] PM: Image loading progress: 70% [ 6.421403] PM: Image loading progress: 80% [ 6.508071] PM: Image loading progress: 90% [ 6.592575] PM: Image loading done. [ 6.596124] PM: Read 399680 kbytes in 1.39 seconds (287.53 MB/s) [ 35.608037] usb usb1: root hub lost power or was reset [ 35.608038] usb usb2: root hub lost power or was reset [ 35.948432] xhci_hcd 0000:03:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff8801a5f8e880 [ 45.992029] radeon 0000:01:00.0: GPU lockup CP stall for more than 10000msec [ 45.992032] radeon 0000:01:00.0: GPU lockup (waiting for 0x0000000000000004 last fence id 0x0000000000000002) [ 45.992034] [drm:r600_uvd_ib_test] *ERROR* radeon: fence wait failed (-35). [ 45.992037] [drm:radeon_ib_ring_tests] *ERROR* radeon: failed testing IB on ring 5 (-35). [ 46.548477] Restarting tasks ... done. After this I can use the console and KDM is running, but X crashes at logon. Without CYPRESS_uvd.bin suspend/resume works reliable. CEDAR_me.bin, CEDAR_pfp.bin, CEDAR_rlc.bin, CEDAR_smc.bin and CYPRESS_uvd.bin are from git://git.kernel.org/pub/scm/linux/kernel/git/dwmw2/linux-firmware.git I'm using a 2560x1440 console with Dual-DVI.
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