Red Hat Bugzilla – Bug 1263824
complete system lockup when returning from sleep/standby
Last modified: 2016-12-20 09:39:19 EST
Created attachment 1074177 [details]
journalctl -b -8 -n 800 | grep -v avahi
When resuming system operation from sleep or standby, the system will operate normally for approximately 5 minutes before a complete system lockup occurs. alt-f2 will not bring up krunner in Plasma, and ctrl-alt-f(x) will not switch tty terminals. I have not been in a location yet that would allow me to attempt to ssh into the system, but I should be able to get information that way this evening.
The only information I can get out of it so far is the attached journal output - it is the last 800 lines of the journal, minus 245 unrelated avahi entries.
Was able to ssh into the system this time after the lockup. This time, it only took 38 seconds for it to lock up.
The mouse cursor is still visible and moves around the screen, but nothing is clickable, and no input is processed from the keyboard. I am attaching the full journal from when it resumed until it eventually rebooted - the log shows that the reboot instruction was not processed immediately, either. It took 00:02:31
for the system to finally shutdown - too many processes were hung.
Created attachment 1074230 [details]
journal from resume to reboot
Created attachment 1078043 [details]
journalctl -b -1 -k --since 13:23
Kernel logs since resume from standby.
This is still happening in F23.
Can someone please take this? I may be forced to either use the proprietary drivers or switch to a different DE. I like nouveau - when it works - and I think Plasma is the best DE out there. I don't want to switch either, but if I can't use my laptop as designed, then....
Created attachment 1084564 [details]
Latest log from F23
Ilia Mirkin over at freedesktop.org seems to have found the root of this problem. When can we get it pulled into Fedora?
NVidia GTX 750/Ti Video card with Fedora23 Workstation freezes after login.
Knowing I have problems with this card I installed Workstation using
the onboard VGA. That works good.
Than I switched back via the BIOS to the NVidia Card in PCI. Using DVI-D-1.
Starting workstation, I cannot come further than a first login:
All three possibilities GNOME, GNOME in Wayland and GNOME classic, the system freezes after the first login.
I work with a Lenovo Thinkstation E32 and monitor Thinkvision LT2252P (1680x1050)
(using VGA or DVI-D)
This problem does not occur with Fedora 23 Mate.
Surprisingly Mate accepts the NVidia card.
For workstation and mate the nouveau driver used is:
XORG-X11-drv-nouveau- 1.0.12-0.3.FC23 X86_64,
Linux kernel 4.2.6-300 FC23.
Is there a solution for this problem?
You can try enabling SysRQ by adding the line `kernel.sysrq = 244` in /etc/sysctl.d/sysrq.conf (see documentation at ). If you can SAK (SysRQ key + k), you could kill all applications on the current tty. This way you can at least run a shell or relogin without killing (forced power off) linux.
More info: https://en.wikipedia.org/wiki/Magic_SysRq_key
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