> On Jun 21, 2015, at 2:16, Fernando Rodriguez > <frodriguez.develo...@outlook.com> wrote: > > On Saturday, June 20, 2015 10:15:37 AM Matti Nykyri wrote: >>> On Jun 20, 2015, at 5:16, Fernando Rodriguez > <frodriguez.develo...@outlook.com> wrote: >>> >>> Hello, >>> >>> After switching from fglrx to the radeon driver I get a blank screen after >>> resuming from hibernation. I can ssh in but I can't restart xorg. This > happens >>> with pm-utils and also with systemd. Suspend works fine with both. >>> >>> My video card is: >>> VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Kabini >>> [Radeon HD 8210] >>> >>> Any suggestions? >> >> Ssh in and run commands: >> >> export DISPLAY=:0 >> xrandr >> Or >> xrandr --output --mode etc with right arguments >> >> If that doesn't help, use top and perf top to see what is going on. Does > restarting X fix te issue? > > I can't restart X, it hangs when I try, xrandr also hangs. Even kill -9 > doesn't kill it. The logs sometimes don't show anything at all but today it's > show this consistently: > > un 20 18:19:08 navi kernel: [drm:cik_ring_test] *ERROR* radeon: ring 1 test > failed (scratch(0x3010C)=0xCAFEDEAD) > Jun 20 18:19:08 navi kernel: ata1: SATA link up 6.0 Gbps (SStatus 133 > SControl > 300) > Jun 20 18:19:08 navi kernel: ata1.00: configured for UDMA/133 > Jun 20 18:19:08 navi kernel: [drm:cik_ring_test] *ERROR* radeon: ring 2 test > failed (scratch(0x3010C)=0xCAFEDEAD) > Jun 20 18:19:08 navi kernel: [drm] ring test on 3 succeeded in 4 usecs > Jun 20 18:19:08 navi kernel: [drm] ring test on 4 succeeded in 4 usecs > Jun 20 18:19:08 navi kernel: [drm] ring test on 5 succeeded in 1 usecs > Jun 20 18:19:08 navi kernel: [drm] UVD initialized successfully. > Jun 20 18:19:08 navi kernel: [drm] ring test on 6 succeeded in 812 usecs > Jun 20 18:19:08 navi kernel: [drm] ring test on 7 succeeded in 3 usecs > Jun 20 18:19:08 navi kernel: [drm] VCE initialized successfully. > Jun 20 18:19:08 navi kernel: [drm] ib test on ring 0 succeeded in 0 usecs > Jun 20 18:19:08 navi kernel: [drm] ib test on ring 3 succeeded in 0 usecs > Jun 20 18:19:08 navi kernel: [drm] ib test on ring 4 succeeded in 0 usecs > Jun 20 18:19:08 navi kernel: [drm] ib test on ring 5 succeeded > Jun 20 18:19:08 navi kernel: [drm] ib test on ring 6 succeeded > Jun 20 18:19:08 navi kernel: [drm] ib test on ring 7 succeeded > Jun 20 18:19:08 navi kernel: [drm:radeon_dp_link_train_cr] *ERROR* > displayport > link status failed > Jun 20 18:19:08 navi kernel: [drm:radeon_dp_link_train_cr] *ERROR* clock > recovery failed > Jun 20 18:19:08 navi kernel: [drm:radeon_dp_link_train_cr] *ERROR* > displayport > link status failed > Jun 20 18:19:08 navi kernel: [drm:radeon_dp_link_train_cr] *ERROR* clock > recovery failed > > -------- > > On one occassion there where about 20 backtraces on the log. That log is gone > but it had a message basically saying (I don't remember the exact words) that > something went wrong and the kernel recovered but a reboot was still needed. > I'll post if it comes up again. > > Also relevant that I've been getting this and similar errors on my logs for a > few days (probably since I switched to the radeon driver), all the i2c > devices > are on the video card: > > Jun 20 16:46:30 navi kernel: i2c i2c-7: sendbytes: error -110 > Jun 20 16:46:41 navi kernel: i2c i2c-7: sendbytes: error -110 > Jun 20 16:47:01 navi kernel: i2c i2c-7: sendbytes: error -110 > Jun 20 16:47:11 navi kernel: i2c i2c-7: sendbytes: error -110 > Jun 20 16:47:31 navi kernel: i2c i2c-7: sendbytes: error -110
What is the output of: perf top Do you have kernel debugging symbols compiled in? If then do kernel function trace. See what an strace to X shows. -- -Matti
