compiz crashed with SIGSEGV in brw_validate_state()

[Anders Norgaard]

Binary package hint: compiz

Probably a problem in the intel gpu drivers.

Apr 4 17:31:12 anders-desktop kernel: [23049.963572] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed...
 GPU hung
Apr 4 17:31:12 anders-desktop kernel: [23049.971696] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns
 -11 (awaiting 11851152 at 11851141, next 11851153)
Apr 4 17:31:19 anders-desktop kernel: [23056.540593] compiz[1312]: segfault at 0 ip 00007fac3c4a0b98 sp 00007fff8a92
5170 error 6 in i965_dri.so[7fac3c42f000+ac000]
Apr 4 17:31:22 anders-desktop kernel: [23060.187282] compiz[14802]: segfault at 0 ip 00007f2bea2eeb98 sp 00007fffddc
b3490 error 6 in i965_dri.so[7f2bea27d000+ac000]
Apr 4 17:31:24 anders-desktop kernel: [23062.056814] compiz[14822]: segfault at 0 ip 00007fabb236eb98 sp 00007fff0a0
fdf50 error 6 in i965_dri.so[7fabb22fd000+ac000]
Apr 4 17:31:26 anders-desktop kernel: [23063.987070] compiz[14841]: segfault at 0 ip 00007fced0eadb98 sp 00007fff822
07540 error 6 in i965_dri.so[7fced0e3c000+ac000]
Apr 4 17:31:28 anders-desktop kernel: [23065.903942] compiz[14861]: segfault at 0 ip 00007f929b5b2b98 sp 00007fff814
d95f0 error 6 in i965_dri.so[7f929b541000+ac000]

etc...

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: compiz-core 1:0.9.4git20110322-0ubuntu5
ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38
Uname: Linux 2.6.38-7-generic x86_64
Architecture: amd64
Date: Mon Apr 4 17:31:19 2011
DistroCodename: natty
DistroVariant: ubuntu
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110330)
InstallationMedia_: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110330)
ProcCmdline: /usr/bin/compiz
ProcEnviron:
 LANGUAGE=en_DK:en
 LANG=en_DK.UTF-8
 SHELL=/bin/bash
ProcVersionSignature_: Ubuntu 2.6.38-7.39-generic 2.6.38
SegvAnalysis:
 Segfault happened at: 0x7fac3c4a0b98: movss %xmm0,(%rcx)
 PC (0x7fac3c4a0b98) ok
 source "%xmm0" ok
 destination "(%rcx)" (0x00000000) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 ?? () from /usr/lib/dri/i965_dri.so
 brw_validate_state () from /usr/lib/dri/i965_dri.so
 brw_draw_prims () from /usr/lib/dri/i965_dri.so
 ?? () from /usr/lib/dri/libdricore.so
 GLWindow::glDrawGeometry() () from /usr/lib/compiz/libopengl.so
Title: compiz crashed with SIGSEGV in brw_validate_state()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors:
 (nautilus:2175): Gtk-WARNING **: Change Desktop Background: missing action Change Desktop Background
 (nautilus:2175): Gtk-WARNING **: Ubuntu Documentation: missing action Ubuntu Documentation
 (nautilus:2175): Gtk-WARNING **: Change Desktop Background: missing action Change Desktop Background
 (nautilus:2175): Gtk-WARNING **: Ubuntu Documentation: missing action Ubuntu Documentation
 (nautilus:2175): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.1-0ubuntu3
version.xserver-xorg: xserver-xorg 1:7.6+4ubuntu1

[Apport retracing service (apport)]

StacktraceTop:
 prepare_wm_constants (brw=0x1cdd1c0) at gen6_wm_state.c:66
 brw_validate_state (brw=0x1cdd1c0) at brw_state_upload.c:397
 brw_try_draw_prims (ctx=0x1cdd1c0, arrays=0x1d2de20, prim=0x7fff8a9252a0, nr_prims=0, ib=0x0, index_bounds_valid=<value optimized out>, min_index=0, max_index=3) at brw_draw.c:362
 brw_draw_prims (ctx=0x1cdd1c0, arrays=0x1d2de20, prim=0x7fff8a9252a0, nr_prims=0, ib=0x0, index_bounds_valid=<value optimized out>, min_index=0, max_index=3) at brw_draw.c:447
 vbo_draw_arrays (ctx=0x1cdd1c0, mode=7, start=0, count=<value optimized out>, numInstances=1) at vbo/vbo_exec_array.c:588

[Sebastien Bacher (seb128)]

Thanks for the bug report. This particular bug has already been reported, but feel free to report any other bugs you find.