Public bug reported:
I connected the system to wifi using gnome's settings.
Stuck at the "Preparing Ubuntu..." screen burning 100% cpu on one core.
The process burning CPU (currently at 27m runtime) is:
python3 -m subiquity.cmd.server --use-os-prober --storage-version=2
--postinst-hooks-dir=/snap/ubuntu-desktop-
bootstrap/107/etc/subiquity/postinst.d
strace shows no output when run for several seconds, so no syscalls in
the hot loop
I generated a core dump of the running process using GDB, but at 627M I
don't think it is going anywhere. When I attach with gdb I see:
0x00007f23d27ce5bb in nl80211_get_ie (ie=0 '\000', ies_len=<optimized
out>, ies=<optimized out>) at probert/_nl80211module.c
warning: 378 probert/_nl80211module.c: No such file or directory
** Affects: subiquity
Importance: Undecided
Status: New
** Affects: ubuntu-desktop-provision
Importance: Undecided
Status: New
** Affects: subiquity (Ubuntu)
Importance: Undecided
Status: New
** Also affects: subiquity (Ubuntu)
Importance: Undecided
Status: New
** Also affects: subiquity
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2060894
Title:
dialogue won't start, high cpu usage
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