Public bug reported:
Running xserver-xorg-core_21.1.3-2ubuntu2.3_amd64.deb was fine.
Since the recent update to xserver-xorg-core_21.1.3-2ubuntu2.5_amd64.deb Xorg
always segfaults at startup.
Going back to xserver-xorg-core_21.1.3-2ubuntu2.3_amd64.deb works again.
(Tried it multiple times and it is reproducable.)
The errors from the last Xorg.log:
[ 54.562] (EE) Backtrace:
[ 54.563] (EE) 0: /usr/lib/xorg/Xorg (OsLookupColor+0x139) [0x560707b09719]
[ 54.564] (EE) 1: /lib/x86_64-linux-gnu/libc.so.6 (__sigaction+0x50)
[0x7f40658cd520]
[ 54.564] (EE) 2: /usr/lib/xorg/Xorg (xf86ModeVRefresh+0x4) [0x560707a0e724]
[ 54.565] (EE) unw_get_proc_name failed: no unwind info found [-10]
[ 54.565] (EE) 3: /usr/lib/xorg/modules/drivers/modesetting_drv.so (?+0x0)
[0x7f406513b9b0]
[ 54.565] (EE) 4: /usr/lib/xorg/Xorg (xf86ProbeOutputModes+0x147)
[0x560707a07e47]
[ 54.565] (EE) 5: /usr/lib/xorg/Xorg (xf86InitialConfiguration+0x191)
[0x560707a089b1]
[ 54.565] (EE) unw_get_proc_name failed: no unwind info found [-10]
[ 54.565] (EE) 6: /usr/lib/xorg/modules/drivers/modesetting_drv.so (?+0x0)
[0x7f406513f07c]
[ 54.566] (EE) unw_get_proc_name failed: no unwind info found [-10]
[ 54.566] (EE) 7: /usr/lib/xorg/modules/drivers/modesetting_drv.so (?+0x0)
[0x7f40651374bf]
[ 54.566] (EE) 8: /usr/lib/xorg/Xorg (InitOutput+0xb8b) [0x5607079d73ab]
[ 54.566] (EE) 9: /usr/lib/xorg/Xorg (InitFonts+0x1dc) [0x56070799734c]
[ 54.567] (EE) 10: /lib/x86_64-linux-gnu/libc.so.6 (__libc_init_first+0x90)
[0x7f40658b4d90]
[ 54.567] (EE) 11: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0x80)
[0x7f40658b4e40]
[ 54.568] (EE) 12: /usr/lib/xorg/Xorg (_start+0x25) [0x560707980605]
[ 54.568] (EE)
[ 54.568] (EE) Segmentation fault at address 0xa8
[ 54.568] (EE)
Fatal server error:
[ 54.568] (EE) Caught signal 11 (Segmentation fault). Server aborting
[ 54.568] (EE)
[ 54.568] (EE)
** Affects: xorg-server (Ubuntu)
Importance: Undecided
Status: New
** Tags: regression-update
--
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https://bugs.launchpad.net/bugs/1999852
Title:
xserver-xorg-core_21.1.3-2ubuntu2.5 segfaults
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