[qubes-users] Re: System freezes several times a day
On Monday, September 25, 2017 at 5:35:44 PM UTC+2, Jan Martin Krämer wrote: > I am not sure if magic sysrq is enabled on qubes, I guess I would have to > test it while it is still working, but if it is, it also didn't work. On dom0, looks like only the sync command(sysrq+s) of sysrq is enabled by default: [ctor@dom0 ~]$ grep -nH sysrq -- /usr/lib/sysctl.d/* /etc/sysctl.d/* /usr/lib/sysctl.d/50-default.conf:16:# Use kernel.sysrq = 1 to allow all keys. /usr/lib/sysctl.d/50-default.conf:18:kernel.sysrq = 16 /etc/sysctl.d/95-sysrq.conf:1:kernel.sysrq=1 I actually had to enable all by creating /etc/sysctl.d/95-sysrq.conf (as seen above). All info from here: https://www.kernel.org/doc/Documentation/admin-guide/sysrq.rst - 0 - disable sysrq completely - 1 - enable all functions of sysrq - >1 - bitmask of allowed sysrq functions (see below for detailed function description):: 2 = 0x2 - enable control of console logging level 4 = 0x4 - enable control of keyboard (SAK, unraw) 8 = 0x8 - enable debugging dumps of processes etc. 16 = 0x10 - enable sync command 32 = 0x20 - enable remount read-only 64 = 0x40 - enable signalling of processes (term, kill, oom-kill) 128 = 0x80 - allow reboot/poweroff 256 = 0x100 - allow nicing of all RT tasks -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/d589d40a-805c-468c-acce-fbba707cbfa9%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
[qubes-users] Re: System freezes several times a day
Am Montag, 25. September 2017 16:50:06 UTC+2 schrieb filtration: > The entire system goes from "perfectly fine" to a state where the screen > looks normal, but the sound gets stuck in a one second long loop and the > system no longer responds to any keypres, the mouse doesn't react, it is > completely 100% frozen. > > > > This happens several times a day now and turning off the power is the only > > thing I can do. Reinstalling 3.2 from scratch didn't fix it. > > > > I had temporary lockups that turned out to be related to a USB 3.0 > (XHCI) controller and my USB mouse. Entire VMs would freeze until I > switched to Dom0 and back, IIRC. I changed some settings in BIOS so > everything was only EHCI and that fixed my problem. I will try that. This is a different behaviour however as it is not single VMs that freezes, it literally is everything. Leaving Xorg and going to a console doesn't work, nothing I do has any effect. I am not sure if magic sysrq is enabled on qubes, I guess I would have to test it while it is still working, but if it is, it also didn't work. > It may not be anything in Qubes; It may be memory errors or an > overheating processor. Try running Memtest (freeware) for the memory. > Check for and blow out any dust buildup in your computer. I don't know > of an easy way to check temps within Qubes, but your BIOS ought to give > some indication. It is not a temperature problem, they are far below the standard temperatures even. I will run a memory test and report back if that can be the problem. -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/c3a6bbcc-36de-4d09-ad62-ba6bf5f8777e%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
[qubes-users] Re: System freezes several times a day
The entire system goes from "perfectly fine" to a state where the screen looks normal, but the sound gets stuck in a one second long loop and the system no longer responds to any keypres, the mouse doesn't react, it is completely 100% frozen. > > This happens several times a day now and turning off the power is the only > thing I can do. Reinstalling 3.2 from scratch didn't fix it. > I had temporary lockups that turned out to be related to a USB 3.0 (XHCI) controller and my USB mouse. Entire VMs would freeze until I switched to Dom0 and back, IIRC. I changed some settings in BIOS so everything was only EHCI and that fixed my problem. It may not be anything in Qubes; It may be memory errors or an overheating processor. Try running Memtest (freeware) for the memory. Check for and blow out any dust buildup in your computer. I don't know of an easy way to check temps within Qubes, but your BIOS ought to give some indication. -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/oqb51o%24mbh%241%40blaine.gmane.org. For more options, visit https://groups.google.com/d/optout.
