| Bug ID | 92544 |
|---|---|
| Summary | Tonga fails second resume from mem sleep. |
| Product | DRI |
| Version | DRI git |
| Hardware | x86-64 (AMD64) |
| OS | Linux (All) |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | DRM/AMDgpu |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | adf.lists@gmail.com |
R9285 resumes OK after doing echo mem >/sys/power/state, but will not sleep/resume a second time. Tested with a few kernels 4.4 wip 4.3 and 4.2. Nothing is logged in dmesg for 4.4 and 4.3 X bails after some time with - [ 29371.315] (EE) Backtrace: [ 29371.326] (EE) 0: /usr/bin/X (xorg_backtrace+0x49) [0x584559] [ 29371.326] (EE) 1: /usr/bin/X (0x400000+0x188459) [0x588459] [ 29371.326] (EE) 2: /lib/libpthread.so.0 (0x7f74cfb8a000+0xf2a0) [0x7f74cfb992a0] [ 29371.326] (EE) 3: /lib/libc.so.6 (0x7f74ce1cb000+0x8a7e7) [0x7f74ce2557e7] [ 29371.327] (EE) 4: /usr/lib/xorg/modules/libglamoregl.so (0x7f74cdd80000+0x196ab) [0x7f74cdd996ab] [ 29371.327] (EE) 5: /usr/bin/X (0x400000+0x111a9f) [0x511a9f] [ 29371.327] (EE) 6: /usr/bin/X (miPaintWindow+0x20c) [0x56802c] [ 29371.327] (EE) 7: /usr/bin/X (miHandleValidateExposures+0x47) [0x57c767] [ 29371.327] (EE) 8: /usr/bin/X (SetRootClip+0x2b5) [0x465905] [ 29371.327] (EE) 9: /usr/bin/X (0x400000+0xb81d2) [0x4b81d2] [ 29371.327] (EE) 10: /usr/bin/X (xf86VTEnter+0x12b) [0x47420b] [ 29371.327] (EE) 11: /usr/bin/X (WakeupHandler+0x6b) [0x43b59b] [ 29371.327] (EE) 12: /usr/bin/X (WaitForSomething+0x1ba) [0x58173a] [ 29371.327] (EE) 13: /usr/bin/X (0x400000+0x3699e) [0x43699e] [ 29371.328] (EE) 14: /usr/bin/X (0x400000+0x3aacb) [0x43aacb] [ 29371.328] (EE) 15: /lib/libc.so.6 (__libc_start_main+0xed) [0x7f74ce1ec36d] [ 29371.328] (EE) 16: /usr/bin/X (0x400000+0x262a1) [0x4262a1] [ 29371.328] (EE) [ 29371.328] (EE) Bus error at address 0x7f74c7003320 [ 29371.328] (EE) Fatal server error: [ 29371.328] (EE) Caught signal 7 (Bus error). Server aborting fbcon is still functional at this point but trying again to startx will hang, last lines of xorg log = [ 10618.330] (II) Loading sub module "dri2" [ 10618.330] (II) LoadModule: "dri2" [ 10618.330] (II) Module "dri2" already built-in On 4.2 I see logged at this point lots of - GPU lockup (current fence id 0x0000000000000147 last fence id 0x0000000000000148 on ring 0) ring 0 stalled for more than 61125msec Waiting with 4.3 or 4.4 does not produce a hung task backtrace.
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