This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1756455
and then change the status of the bug to 'Confirmed'.
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to run this command, please add a comment stating that fact and change
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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
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https://bugs.launchpad.net/bugs/1756455
Title:
Kernel 4.15.0-12 reboots instead of turning off on HP Spectre x360
13-ae004 on battery
Status in linux package in Ubuntu:
Incomplete
Status in linux-signed package in Ubuntu:
New
Bug description:
Ubuntu 18.04, installed from beta 1 ISO + all updates to date
HP Spectre x360 13", model 13-ae004na, secure boot on, latest BIOS
F.15A, Ubuntu is the only system on disk.
When using kernel 4.15.0-12 the system does not power off but instead
reboots. Both halt -p from the command line and menu action leads to
reboot. Booting with previous kernel 4.15.0-10 resolves the issue,
system turns off power as expected.
I am not attaching any logs because I cannot see anything unusual
there, kern.log entries from 4.15.0-10 and 4.15.0-12 seems to be
identical (in fact, there is only one entry there "msr: Direct access
to MSR 1b0"). Please let me know what additional information you may
need.
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