On 27/05/2021 14:50, jarmo wrote:
Wed, 26 May 2021 22:44:49 -0700
Samuel Sieb <sam...@sieb.net> kirjoitti:


It works ok?  Then which kernel doesn't work?
Does pressing the power button go to suspend?  (Just a click, not
holding it to power off.)
So the same thing for you.  After booting the not-working kernel,
boot a working one and run "sudo journalctl -b -1" and see if there's
anything at the end of the log that is relevant.
In my desktop ALL works fine, but those tested 2 laptops didn't. Removed
allready (yesterday) after malfunctions, 5.12.6 kernels, so can't test
them.
At the moment, time limited to test...


Well, you could do "journalctl --list-boots" and then find which once most 
recently would correspond with
failed episodes.  Then use the number associated with those boots to exam the 
journal output to see
if there is anything suspicious when compared with good boots.

The first few lines in the journal will tell you what kernel is being booted to.

For example....

 [egreshko@meimei ~]$ journalctl -b -123 | more
-- Journal begins at Sun 2020-12-27 18:33:37 CST, ends at Thu 2021-05-27 
15:10:06
CST. --
Dec 27 18:35:30 meimei.greshko.com kernel: microcode: microcode updated early 
to r
evision 0xa, date = 2018-05-08
Dec 27 18:35:30 meimei.greshko.com kernel: Linux version 5.9.15-200.fc33.x86_64 
(m
ockbu...@bkernel01.iad2.fedoraproject.org) (gcc (GCC) 10.2.1 20201125 (Red Hat 
10.
2.1-9), GNU ld version 2.35-15.fc33) #1 SMP Wed Dec 16 19:14:35 UTC 2020
Dec 27 18:35:30 meimei.greshko.com kernel: Command line: 
BOOT_IMAGE=(hd0,msdos1)/v
mlinuz-5.9.15-200.fc33.x86_64 root=UUID=4455f2e9-fed2-4e1e-856d-642b531547f9 ro 
rd
.driver.blacklist=nouveau modprobe.blacklist=nouveau nvidia-drm.modeset=1 
nomodese
t

--
Remind me to ignore comments which aren't germane to the thread.

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