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apport-collect 1886827
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Tags added: bionic
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https://bugs.launchpad.net/bugs/1886827
Title:
Machine hangs when doing a normal reboot
Status in linux package in Ubuntu:
Incomplete
Bug description:
Hi,
When booting into kernel 4.15.0-99-generic or higher and also kernel
5.3.0-53-generic or higher, the system hangs when issuing the reboot
command or CTRL-ALT-DEL from console with the following console
messages:
---------- snip ------------
Reached target Final Step.
Starting Reboot...
< following message repeats indefinetely every 120 seconds >
INFO: task systemd-shutdow:1 blocked for more than 120 seconds.
Not tainted 4.15.0-99-generic #100
" echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
---------- snip ------------
I did a git bisect procedure between kernels 4.15.0-96-generic and 4.15.0-99
and it reported the following:
---------- snip ------------
b52be79f3c6cc89bb3834c5174843e34f945f386 is the first bad commit
commit b52be79f3c6cc89bb3834c5174843e34f945f386
---------- snip ------------
Ubuntu version affected:
Ubuntu 4.15.0-99.100-generic 4.15.18
First kernel package affected:
linux-image-4.15.0-99-generic
Necessary debug files will be attached as soon as possible.
Quinn
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