https://bugs.freedesktop.org/show_bug.cgi?id=27666
Summary: r300g causes Xorg segfault with compositing enabled
Product: DRI
Version: XOrg CVS
Platform: x86-64 (AMD64)
OS/Version: Linux (All)
Status: NEW
Severity: critical
Priority: medium
Component: DRM/Radeon
AssignedTo: dri-devel@lists.freedesktop.org
ReportedBy: mad.f...@gmail.com
Xorg segfaults if i try to start any 3d app (or kwin with compositing) with KMS
enabled.
Classic mesa r300 works fine (KMS enabled or disabled), but slow with KMS.
Arch Linux, 2.6.33.2, amd64.
Video is rs690 built-in.
libdrm and dri2proto from git 20100413 (there are no commits later);
mesa from git 20100415 with build options:
--enable-glx-tls \
--with-driver=dri \
--enable-xcb \
--enable-egl \
--enable-glu \
--enable-glut \
--enable-glw \
--enable-gallium \
--enable-gallium-radeon
xf86-video-ati also from git 20100413.
r300_dri.so is a symbolic link to radeong_dri.so.
Backtrace:
0: /usr/bin/X (xorg_backtrace+0x28) [0x45cd68]
1: /usr/bin/X (0x400000+0x59a09) [0x459a09]
2: /lib/libpthread.so.0 (0x7f722367d000+0xeef0) [0x7f722368bef0]
3: /usr/lib/xorg/modules/dri/r300_dri.so (0x7f721ff97000+0x1ab106)
[0x7f7220142106]
4: /usr/lib/xorg/modules/dri/r300_dri.so (0x7f721ff97000+0x1772df)
[0x7f722010e2df]
5: /usr/lib/xorg/modules/dri/r300_dri.so (0x7f721ff97000+0x17782f)
[0x7f722010e82f]
6: /usr/lib/xorg/modules/dri/r300_dri.so (0x7f721ff97000+0x175c54)
[0x7f722010cc54]
7: /usr/lib/xorg/modules/dri/r300_dri.so (0x7f721ff97000+0x2a9a9)
[0x7f721ffc19a9]
8: /usr/lib/xorg/modules/dri/r300_dri.so (0x7f721ff97000+0x18c559)
[0x7f7220123559]
9: /usr/lib/xorg/modules/dri/r300_dri.so (0x7f721ff97000+0x18a907)
[0x7f7220121907]
10: /usr/lib/xorg/modules/dri/r300_dri.so (0x7f721ff97000+0x18bb4b)
[0x7f7220122b4b]
11: /usr/lib/xorg/modules/dri/r300_dri.so (0x7f721ff97000+0x18c2b3)
[0x7f72201232b3]
12: /usr/lib/xorg/modules/dri/r300_dri.so (0x7f721ff97000+0x362aa)
[0x7f721ffcd2aa]
13: /usr/lib/xorg/modules/dri/r300_dri.so (0x7f721ff97000+0x213b5)
[0x7f721ffb83b5]
14: /usr/lib/xorg/modules/dri/r300_dri.so (0x7f721ff97000+0x145483)
[0x7f72200dc483]
15: /usr/lib/xorg/modules/dri/r300_dri.so (0x7f721ff97000+0x145bf3)
[0x7f72200dcbf3]
16: /usr/lib/xorg/modules/dri/r300_dri.so (0x7f721ff97000+0x99360)
[0x7f7220030360]
17: /usr/lib/xorg/modules/extensions/libglx.so (0x7f7221996000+0xf778)
[0x7f72219a5778]
18: /usr/lib/xorg/modules/extensions/libglx.so (0x7f7221996000+0x31f03)
[0x7f72219c7f03]
19: /usr/lib/xorg/modules/extensions/libglx.so (0x7f7221996000+0x36180)
[0x7f72219cc180]
20: /usr/bin/X (0x400000+0x46194) [0x446194]
21: /usr/bin/X (0x400000+0x21aac) [0x421aac]
22: /lib/libc.so.6 (__libc_start_main+0xfd) [0x7f7222900b6d]
23: /usr/bin/X (0x400000+0x21659) [0x421659]
Segmentation fault at address 0xf012659ce
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