Hi,
On Sun, Mar 23, 2014 at 12:43:17AM +0100, Andreas Mohr wrote:
> Hi,
>
> now testing 3.14-rc7 here (r128 hardware rather than MGA),
> and I seem to still be experiencing the same or very similar crash as you here:
I decided to do some more experimentation:
I added a
Section "Module"
Disable "dri"
EndSection
which did reliably disable dri according to 3.12.0-rc2+ xdpyinfo / Xorg.0.log
On -rc7 however, this changed the issue from a kernel OOPS into merely a
Xorg.0.log trace and abort (no such issue on working kernel
given my userspace configuration!):
[ 68.334] Backtrace:
[ 68.335] 0: /usr/bin/X (xorg_backtrace+0x49) [0xb7767769]
[ 68.335] 1: /usr/bin/X (0xb75ea000+0x181186) [0xb776b186]
[ 68.335] 2: linux-gate.so.1 (__kernel_rt_sigreturn+0x0) [0xffffe40c]
[ 68.335] 3: /usr/lib/i386-linux-gnu/libpixman-1.so.0 (0xb7430000+0x727c0) [0xb74a27c0]
[ 68.335] 4: /usr/lib/i386-linux-gnu/libpixman-1.so.0 (0xb7430000+0x57abf) [0xb7487abf]
[ 68.335] 5: /usr/lib/i386-linux-gnu/libpixman-1.so.0 (pixman_blt+0x7d) [0xb74367ad]
[ 68.335] 6: /usr/lib/xorg/modules/libfb.so (fbCopyNtoN+0x2af) [0xb6de066f]
[ 68.335] 7: /usr/bin/X (miCopyRegion+0x17c) [0xb7743f6c]
[ 68.336] 8: /usr/bin/X (miDoCopy+0x4f0) [0xb77445a0]
[ 68.336] 9: /usr/lib/xorg/modules/libfb.so (fbCopyArea+0x7e) [0xb6de089e]
[ 68.336] 10: /usr/lib/xorg/modules/libxaa.so (0xb6f04000+0xacf3) [0xb6f0ecf3]
[ 68.336] 11: /usr/lib/xorg/modules/libxaa.so (0xb6f04000+0x548d3) [0xb6f588d3]
[ 68.336] 12: /usr/bin/X (0xb75ea000+0x10929d) [0xb76f329d]
[ 68.336] 13: /usr/bin/X (0xb75ea000+0x15b60f) [0xb774560f]
[ 68.336] 14: /usr/bin/X (0xb75ea000+0x16cd21) [0xb7756d21]
[ 68.336] 15: /usr/bin/X (0xb75ea000+0x16d50c) [0xb775750c]
[ 68.337] 16: /usr/bin/X (0xb75ea000+0xbe0b7) [0xb76a80b7]
[ 68.337] 17: /usr/bin/X (miPointerUpdateSprite+0x2a7) [0xb7751687]
[ 68.337] 18: /usr/bin/X (0xb75ea000+0x16791a) [0xb775191a]
[ 68.337] 19: /usr/bin/X (0xb75ea000+0xcd1c4) [0xb76b71c4]
[ 68.337] 20: /usr/bin/X (0xb75ea000+0x101bfe) [0xb76ebbfe]
[ 68.337] 21: /usr/bin/X (0xb75ea000+0x4437b) [0xb762e37b]
[ 68.337] 22: /usr/bin/X (WindowHasNewCursor+0x3b) [0xb762f6db]
[ 68.337] 23: /usr/bin/X (ChangeWindowAttributes+0xb0c) [0xb7655e1c]
[ 68.338] 24: /usr/bin/X (0xb75ea000+0x35da7) [0xb761fda7]
[ 68.338] 25: /usr/bin/X (0xb75ea000+0x3c375) [0xb7626375]
[ 68.338] 26: /usr/bin/X (0xb75ea000+0x29e95) [0xb7613e95]
[ 68.338] 27: /lib/i386-linux-gnu/i686/cmov/libc.so.6 (__libc_start_main+0xf5) [0xb71ef8f5]
[ 68.338] 28: /usr/bin/X (0xb75ea000+0x2a1e9) [0xb76141e9]
[ 68.338]
[ 68.338] Bus error at address 0xb4f1ed4e
[ 68.338]
Fatal server error:
[ 68.339] Caught signal 7 (Bus error). Server aborting
I then also decided to update libdrm package:
i libdrm-dev:i386 2.4.52-1 i386 Userspace interface to kernel DRM services -- development files
ii libdrm-intel1:i386 2.4.52-1 i386 Userspace interface to intel-specific kernel DRM services -- runtime
rc libdrm-nouveau1 2.4.21-1~squeeze3 i386 Userspace interface to nouveau-specific kernel DRM services -- runtime
ii libdrm-nouveau2:i386 2.4.52-1 i386 Userspace interface to nouveau-specific kernel DRM services -- runtime
ii libdrm-radeon1:i386 2.4.52-1 i386 Userspace interface to radeon-specific kernel DRM services -- runtime
ii libdrm2:i386 2.4.52-1 i386 Userspace interface to kernel DRM services -- runtime
which did end up flawless on 3.12.0-rc2+, too
(but failed to improve the issue on 3.14.0-rc7+).
So, for all intents and purposes, drm infrastructure seems unavoidably
(neither dri disable nor libdrm upgrade helps) affected.
Does anyone know which change caused that issue?
(I'm asking because bisect here would be relatively painful).
Thanks,
Andreas Mohr
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