Public bug reported:
After getting GreenScreen, we restart system and enter into OOBE.
Sometimes, system will restart suddenly and pop the message likes
attached picture up. In this case, system cannot enter into OS desktop
smoothly.
Steps to Reproduce:
1. Install 12.04.2 64-bit on shark bay platform.
2. Boot
3. Xorg segfaults and the console message like attached picture appears.
Segfault backtrace:
[ 18.746] (==) fglrx(0): hotplug detection: "enabled"
[ 18.772] (EE)
[ 18.772] (EE) Backtrace:
[ 18.772] (EE) 0: /usr/bin/X (xorg_backtrace+0x34) [0x7ffd3b89a634]
[ 18.772] (EE) 1: /usr/bin/X (0x7ffd3b6e5000+0x1b9589) [0x7ffd3b89e589]
[ 18.772] (EE) 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7ffd3aa0b000+0xfcb0)
[0x7ffd3aa1acb0]
[ 18.772] (EE) 3:
/usr/lib/x86_64-linux-gnu/xorg/extra-modules/modules/drivers/fglrx_drv.so
(xclIn32+0x0) [0x7ffd37c828c0]
[ 18.772] (EE) 4:
/usr/lib/x86_64-linux-gnu/xorg/extra-modules/modules/drivers/fglrx_drv.so
(xilReadReg32_R600+0xe) [0x7ffd37e2f36e]
[ 18.772] (EE) 5:
/usr/lib/x86_64-linux-gnu/xorg/extra-modules/modules/drivers/fglrx_drv.so
(xdl_xs113_atiddxPxScreenInit+0xa4) [0x7ffd37df5614]
[ 18.772] (EE) 6:
/usr/lib/x86_64-linux-gnu/xorg/extra-modules/modules/drivers/fglrx_drv.so
(xdl_xs113_atiddxScreenInit+0xdb9) [0x7ffd37dd29e9]
[ 18.772] (EE) 7: /usr/bin/X (AddScreen+0x8a) [0x7ffd3b73a9fa]
[ 18.772] (EE) 8: /usr/bin/X (InitOutput+0x3f8) [0x7ffd3b77dd88]
[ 18.772] (EE) 9: /usr/bin/X (0x7ffd3b6e5000+0x43f5d) [0x7ffd3b728f5d]
[ 18.772] (EE) 10: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xed)
[0x7ffd3969176d]
[ 18.773] (EE) 11: /usr/bin/X (0x7ffd3b6e5000+0x444b1) [0x7ffd3b7294b1]
[ 18.773] (EE)
[ 18.773] (EE) Segmentation fault at address 0x70180
[ 18.773]
Fatal server error:
[ 18.773] Caught signal 11 (Segmentation fault). Server aborting
[ 18.773]
[ 18.773] (EE)
Please consult the The X.Org Foundation support
at http://wiki.x.org
for help.
[ 18.773] (EE) Please also check the log file at "/var/log/Xorg.0.log" for
additional information.
[ 18.773] (EE)
** Affects: fglrx-installer (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1133684
Title:
Xorg segfaults with the fglrx driver on Shark Bay systems
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