| Summary: | [sna] crashes sometimes with two KDE sessions | ||||||
|---|---|---|---|---|---|---|---|
| Product: | xorg | Reporter: | Martin Steigerwald <Martin> | ||||
| Component: | Driver/intel | Assignee: | Chris Wilson <chris> | ||||
| Status: | RESOLVED FIXED | QA Contact: | Xorg Project Team <xorg-team> | ||||
| Severity: | normal | ||||||
| Priority: | medium | ||||||
| Version: | 7.7 (2012.06) | ||||||
| Hardware: | x86-64 (AMD64) | ||||||
| OS: | Linux (All) | ||||||
| Whiteboard: | |||||||
| i915 platform: | i915 features: | ||||||
| Attachments: |
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To get the backtrace, install the debug symbols (xserver-xorg-video-intel-dbg) and then call "addr2line -e /usr/lib/xorg/modules/drivers/intel_drv.so 0x5f3de 0xb931a 0x61d6e" However, I recognise that trace: commit 8e10a5b348a37feadcf935ec7694e46cc0802bdf Author: Chris Wilson <chris@chris-wilson.co.uk> Date: Sun Aug 26 14:53:12 2012 +0100 sna/gen6+: Do not call sna_blt_composite() after prepping the composite op As sna_blt_composite() will overwrite parts of the composite op as it checks whether or not it can execute that operation, it will lead to a crash as the normal render path finds the op corrupt. (The BLT conversion functions cater for the cases where we may wish to switch pipelines after choosing src/dst bo.) Reported-by: rei4dan@gmail.com Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Created attachment 66267 [details]
Xorg log with one of these crashes
Wow! That fast fast ;). Thanks, Martin Or too slow. The first report of that crash arrived just after I made the 2.20.5 release, and now I will have to do another quick release -- just as soon as I can be sure that there aren't any other major surprises. Hmmm, I reported this as xserver-xorg-video-intel: [sna] crashes sometimes with two KDE sessions http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686161 for Debian so that the Debian X.org team is aware of the issue. AFAIK for Debian Wheezy SNA will not (yet) be enabled by default anyway. |
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X.org sometimes crashes when using two KDE sessions together with SNA. [ 12614.049] (II) intel(0): switch to mode 1920x1080 on crtc 3 (pipe 0) [ 12614.054] (II) intel(0): EDID vendor "LEN", prod id 16562 [ 12614.054] (II) intel(0): Printing DDC gathered Modelines: [ 12614.054] (II) intel(0): Modeline "1920x1080"x0.0 139.00 1920 1980 2028 2050 1080 1090 1100 1130 -hsync -vsync (67.8 kHz eP) [ 12614.054] (II) intel(0): Modeline "1920x1080"x0.0 115.83 1920 1980 2028 2050 1080 1090 1100 1130 -hsync -vsync (56.5 kHz e) [ 12614.151] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found [ 13064.857] [ 13064.857] Backtrace: [ 13064.867] 0: /usr/bin/X (xorg_backtrace+0x36) [0x7f483e222ca6] [ 13064.867] 1: /usr/bin/X (0x7f483e0a4000+0x1827f9) [0x7f483e2267f9] [ 13064.867] 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f483d3cc000+0xf030) [0x7f483d3db030] [ 13064.867] 3: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f4839fce000+0x5f3de) [0x7f483a02d3de] [ 13064.867] 4: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f4839fce000+0xb931a) [0x7f483a08731a] [ 13064.867] 5: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f4839fce000+0x61d6e) [0x7f483a02fd6e] [ 13064.867] 6: /usr/bin/X (0x7f483e0a4000+0x110a49) [0x7f483e1b4a49] [ 13064.867] 7: /usr/bin/X (0x7f483e0a4000+0x1099a4) [0x7f483e1ad9a4] [ 13064.867] 8: /usr/bin/X (0x7f483e0a4000+0x52e31) [0x7f483e0f6e31] [ 13064.867] 9: /usr/bin/X (0x7f483e0a4000+0x41ec5) [0x7f483e0e5ec5] [ 13064.867] 10: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xfd) [0x7f483c0f6ead] [ 13064.867] 11: /usr/bin/X (0x7f483e0a4000+0x4219d) [0x7f483e0e619d] [ 13064.867] [ 13064.867] Segmentation fault at address 0x7a [ 13064.867] Fatal server error: [ 13064.867] Caught signal 11 (Segmentation fault). Server aborting [ 13064.867] [ 13064.867] My X.org config is as follows: Section "Device" Identifier "Grafikkern" Driver "intel" # Monitore Option "Monitor-LVDS1" "Notebook-Display" # Optionen Option "AccelMethod" "sna" EndSection Section "Monitor" Identifier "Notebook-Display" DisplaySize 340 192 EndSection I am using: Linux version 3.5.2-tp520 (martin@merkaba) (gcc version 4.7.1 (Debian 4.7.1-7) ) #1 SMP PREEMPT Sun Aug 19 12:39:04 CEST 2012 (compiled from Greg KH git) and libdrm-dev/sid uptodate 2.4.33-3 libdrm-intel1/sid uptodate 2.4.33-3 libdrm-nouveau1a/sid uptodate 2.4.33-3 libdrm-radeon1/sid uptodate 2.4.33-3 libdrm2/sid uptodate 2.4.33-3 libgl1-mesa-dri/sid uptodate 8.0.4-2 xserver-xorg/sid uptodate 1:7.7+1 xserver-xorg-core/sid uptodate 2:1.12.3.902-1 xserver-xorg-input-all/sid uptodate 1:7.7+1 xserver-xorg-input-evdev/sid uptodate 1:2.7.0-1+b1 xserver-xorg-input-synaptics/sid uptodate 1.6.2-1 xserver-xorg-video-intel/experimental uptodate 2:2.20.5-1 xserver-xorg-video-intel-dbg/experimental uptodate 2:2.20.5-1 on Debian Sid. I will attached X.org log. I will switch off SNA to see whether it makes a difference. I could try to get a more complete backtrace, but I´d like to get a hint how to. I think I´d need to attach GDB to running X.org process then. Thanks, Martin