I installed the 20.04 Gnome ISO this morning - direct to disk - not in a
VM.
No issues during the installation but upon rebooting I couldn't get past
the login screen. I'd enter my password and the screen would flicker and
I'd be put back to the login page.
Switching to a terminal and looking at the Xorg log showed me that it
was crashing.
[ 597.161] (EE) Backtrace:
[ 597.161] (EE) 0: /usr/lib/xorg/Xorg (OsLookupColor+0x13c) [0x564dd4926dec]
[ 597.162] (EE) 1: /lib/x86_64-linux-gnu/libpthread.so.0 (funlockfile+0x60)
[0x7f4ee513241f]
[ 597.163] (EE) 2: /lib/x86_64-linux-gnu/libc.so.6 (gsignal+0xcb)
[0x7f4ee4f6f18b]
[ 597.163] (EE) 3: /lib/x86_64-linux-gnu/libc.so.6 (abort+0x12b)
[0x7f4ee4f4e859]
[ 597.164] (EE) unw_get_proc_name failed: no unwind info found [-10]
[ 597.164] (EE) 4: /lib/x86_64-linux-gnu/libc.so.6 (?+0x0) [0x7f4ee4f4e71a]
[ 597.164] (EE) 5: /lib/x86_64-linux-gnu/libc.so.6 (__assert_fail+0x46)
[0x7f4ee4f5ff36]
[ 597.164] (EE) 6: /usr/lib/xorg/Xorg (DRIMoveBuffersHelper+0xc15)
[0x564dd48f1d65]
[ 597.164] (EE) 7: /usr/lib/xorg/Xorg (DRI2Authenticate+0xa2) [0x564dd48f33b2]
[ 597.164] (EE) 8: /usr/lib/xorg/Xorg (DRI2GetParam+0x944) [0x564dd48f4774]
[ 597.164] (EE) 9: /usr/lib/xorg/Xorg (SendErrorToClient+0x354)
[0x564dd47c5f44]
[ 597.165] (EE) 10: /usr/lib/xorg/Xorg (InitFonts+0x3b4) [0x564dd47c9fd4]
[ 597.165] (EE) 11: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf3)
[0x7f4ee4f500b3]
[ 597.165] (EE) 12: /usr/lib/xorg/Xorg (_start+0x2e) [0x564dd47b3a3e]
[ 597.165] (EE)
[ 597.165] (EE)
Fatal server error:
[ 597.165] (EE) Caught signal 6 (Aborted). Server aborting
[ 597.165] (EE)
[ 597.165] (EE)
Please consult the The X.Org Foundation support
at http://wiki.x.org
for help.
[ 597.165] (EE) Please also check the log file at
"/home/steve/.local/share/xorg/Xorg.0.log" for additional information.
[ 597.165] (EE)
[ 597.207] (EE) Server terminated with error (1). Closing log file.
Some googling lead me to a page which pointed the finger at gstreamer.
Removed it and that resolved the issue.
I should point out that I elected to not download updates during the
installation process, so maybe if I had done so, this issue would be
corrected before I got to see it but I can confirm Xorg was crashing on
a freshly installed, 20.04 right out of the box.
--
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xorg-server in Ubuntu.
https://bugs.launchpad.net/bugs/1861609
Title:
[focal] Xorg crashed with assertion failure (usually in a VM) at
[privates.h:121: dixGetPrivateAddr: Assertion `key->initialized'
failed] and call stack comes from DRIMoveBuffersHelper
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1861609/+subscriptions
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