(In reply to Martin Steigerwald from comment #225) > Chris, you referred me to this bug as I reported > > Bug 90835 - [4.1-rc6] gpu hang: ecode 6:-1:0x00000000, Kicking stuck > semaphore on render ring > > I skimmed through it and it appears that there are some patches to test? But > I am not sure which ones these are. Can you or someone else enlighten me?
There's likely a modest improvement in 4.2. > Also I note that I still use > > Option "AccelMethod" "uxa" > > and I have > > martin@merkaba:~> cat /etc/modprobe.d/i915-kms.conf > options i915 modeset=1 i915_enable_rc6=7 Fortuitously that dangerous option doesn't do anything for your kernel. > ffffffff813a4b0e > thus maximum energy saving. But according to powertop it never enters the > highest sleep state anyway. > > I will remove the AccelMethod setting now and see whether it helps. If not, > I downgrade to 4.1-rc4 for now, as issues have been at least much less > frequent with it. Purely circumstantial. > And its really that for me 4.1-rc6 makes things much *worse*. I am typing > this after a clean reboot and already got the GPU hang again. It happens > about every few minutes. Are you really sure this is the same GPU hang? I > didn´t have this before 4.1 kernel? Yes. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1041790 Title: [snb] GPU lockup IPEHR: 0x0b160001 IPEHR: 0x0b140001, workaround i915.semaphores=0 To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/1041790/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
