http://bugzilla.opensuse.org/show_bug.cgi?id=1207948 http://bugzilla.opensuse.org/show_bug.cgi?id=1207948#c9 --- Comment #9 from Martin Jambor <mjambor@suse.com> --- (In reply to Jiri Slaby from comment #5)
Just to sum up. no_console_suspend shows only a blinking cursor, right?
So sometimes resuming manages to restore the screen (console or even graphical) just before locking up. Sometimes it does not. In that experiment with no_console_suspend=1 I saw just blank screen with blinking cursor - which was a difference, without it cursor never blinks, even when resume manages to restore console before locking up.
Does pstore store anything to efi afterall?
I tried following https://blogs.oracle.com/linux/post/pstore-linux-kernel-persistent-storage-f... I got as far as "cat /sys/module/pstore/parameters/backend" resulting in "efi" but no file ever appeared in /sys/fs/pstore
Do you have kdump set up?
I don't think so. So no, unless it is somehow on default.
No crash generated in /var/crash/? (Note kdump is currently broken after each kernel update, see bug 1207114. You need to delete /boot/initrd-kdump and restart kdump service.)
Thanks, but I'll need to look up how the whole thing works before attempting anyway. (In reply to Jiri Slaby from comment #6)
Yeah and I also asked you about: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/ Documentation/power/basic-pm-debugging.rst
What last step (from [freezer, devices, ...]) does not expose the crash?
I'm only starting to read the document now. (In reply to Jiri Slaby from comment #7)
And yet (sorry), brand new BIOSes might be buggy, so no BIOS update available (e.g. via fwupd)?
BIOS version is 1.25 which is the latest one according to Lenovo web-site. -- You are receiving this mail because: You are on the CC list for the bug.