Hi, I am running 64 bit Arch Linux on kernel 3.15, the bug also occured with 3.14, with Intel i5 processor and a AMD Radeon HD7770 graphics card. After a while (randomly), both monitors go to sleep. Sometimes, they wake up after 10-20 seconds and I can continue using the computer, but more often they won't and it requires a hard reboot. When this happens the sound continues playing. Also, rarely the computer freezes, the monitors stay active and all I can move is my mouse, also requiring a hard boot.
Please attach /var/log/Xorg.0.log and the output of dmesg (preferably captured after the problem occurred) and glxinfo.
Created attachment 141101 [details] The dmesg log after a crash
Created attachment 141111 [details] The glxinfo after a crash
Created attachment 141121 [details] The xorg.0 log file after a crash
Created attachment 141171 [details] possible fix Does this patch help?
Do I simply add that to the file?
patch and rebuild your kernel. E.g., patch -p1 -i disable_lbpw.diff in the root of your kernel tree.
(In reply to Alex Deucher from comment #7) > patch and rebuild your kernel. E.g., > > patch -p1 -i disable_lbpw.diff > > in the root of your kernel tree. If you use radeon.ko (modules) it is enough to make 'make modules' in your kernel tree (which rebuild radeon.ko only) and move radeon.ko to the right place, then rebuild your initrd with 'mkinitrd' and maybe it is a good idea to do 'grub2-install /dev/XXX' (or 2 times if you have RAID1) after all. Cheers, Dieter
I have applied the patch, but the problem still persists. I have noticed it's really easy to reproduce the crash when I watch a live game stream on twitch.tv
Someone commented (and deleted it), that it might be possible fixed in kernel 3.16-rc3, but it's not. I compiled and ran the kernel, but the problem persists.
I am also crashing, and seeing the exact same crash backtrace in my xorg log. My specs are practically identical to yours. * Kernel 3.15.3-1-ARCH * Intel iSomethingmeaningless * Radeon 7750 * Dual screen
Created attachment 142091 [details] Thue's Xorg.log crash My crash looks identical to Fabian Pas' crash.
(In reply to Fabian Pas from comment #0) > I am running 64 bit Arch Linux on kernel 3.15, the bug also occured with > 3.14, with Intel i5 processor and a AMD Radeon HD7770 graphics card. After a > while (randomly), both monitors go to sleep. Sometimes, they wake up after > 10-20 seconds and I can continue using the computer, but more often they > won't and it requires a hard reboot. Can you get the monitors working again by plugging their power cable out and back in? […]
I have the same problem, and turning the screen off and on doesn't work. The computer is completely frozen. (sysrq-boot does work) Rarely when changing resolution (like during boot), the screen says "signal out of range", but turning the screen off and on does help then. I believe that is a separate bug.
(In reply to Paul Menzel from comment #13) > (In reply to Fabian Pas from comment #0) > > > I am running 64 bit Arch Linux on kernel 3.15, the bug also occured with > > 3.14, with Intel i5 processor and a AMD Radeon HD7770 graphics card. After > a > > while (randomly), both monitors go to sleep. Sometimes, they wake up after > > 10-20 seconds and I can continue using the computer, but more often they > > won't and it requires a hard reboot. > > Can you get the monitors working again by plugging their power cable out and > back in? > > […] That doesn't work either.
I am no longer experiencing any crashes. (running latest arch rolling release)
Could be.. closed maybe I guess then?