Bug#756848: xserver-xorg-video-radeon: Random segfaults with glamor enabled on Southern Islands card

[Michel Dänzer]

On 03.08.2014 00:21, Jeff Bradberry wrote:
> 
> [ 37202.931] (EE) Backtrace:
> [ 37202.932] (EE) 0: /usr/bin/Xorg (xorg_backtrace+0x49) [0x7f7ec4ac33f9]
> [ 37202.932] (EE) 1: /usr/bin/Xorg (0x7f7ec4918000+0x1af469) [0x7f7ec4ac7469]
> [ 37202.932] (EE) 2: /lib/x86_64-linux-gnu/libc.so.6 (0x7f7ec2628000+0x35420) [0x7f7ec265d420]
> [ 37202.932] (EE) 3: /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so (0x7f7ebcce8000+0x17ac9b) [0x7f7ebce62c9b]
> [ 37202.932] (EE) 4: /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so (0x7f7ebcce8000+0x17bc61) [0x7f7ebce63c61]
> [ 37202.932] (EE) 5: /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so (0x7f7ebcce8000+0x14d96a) [0x7f7ebce3596a]
> [ 37202.932] (EE) 6: /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so (0x7f7ebcce8000+0x15b836) [0x7f7ebce43836]
> [ 37202.932] (EE) 7: /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so (0x7f7ebcce8000+0xd90a6) [0x7f7ebcdc10a6]
> [ 37202.932] (EE) 8: /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so (0x7f7ebcce8000+0xd929a) [0x7f7ebcdc129a]
> [ 37202.932] (EE) 9: /usr/lib/xorg/modules/libglamoregl.so (0x7f7ebe0e8000+0x21986) [0x7f7ebe109986]
> [ 37202.932] (EE) 10: /usr/lib/xorg/modules/libglamoregl.so (0x7f7ebe0e8000+0x139d9) [0x7f7ebe0fb9d9]
> [ 37202.932] (EE) 11: /usr/lib/xorg/modules/libglamoregl.so (0x7f7ebe0e8000+0x13dac) [0x7f7ebe0fbdac]
> [ 37202.932] (EE) 12: /usr/bin/Xorg (0x7f7ec4918000+0x19c018) [0x7f7ec4ab4018]
> [ 37202.933] (EE) 13: /usr/bin/Xorg (0x7f7ec4918000+0xe18fa) [0x7f7ec49f98fa]
> [ 37202.933] (EE) 14: /usr/bin/Xorg (0x7f7ec4918000+0x534d3) [0x7f7ec496b4d3]
> [ 37202.933] (EE) 15: /usr/bin/Xorg (0x7f7ec4918000+0x55ee7) [0x7f7ec496dee7]
> [ 37202.933] (EE) 16: /usr/bin/Xorg (0x7f7ec4918000+0x59f16) [0x7f7ec4971f16]
> [ 37202.933] (EE) 17: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f7ec2649b45]
> [ 37202.933] (EE) 18: /usr/bin/Xorg (0x7f7ec4918000+0x4549e) [0x7f7ec495d49e]
> [ 37202.933] (EE) 
> [ 37202.933] (EE) Segmentation fault at address 0x0
> [ 37202.933] (EE) 
> Fatal server error:
> [ 37202.933] (EE) Caught signal 11 (Segmentation fault). Server aborting

We'd need to see a backtrace from gdb with debugging symbols, but this
looks like a Mesa bug.


BTW, how random is random? :)


-- 
Earthling Michel Dänzer            |                  http://www.amd.com
Libre software enthusiast          |                Mesa and X developer