Launchpad has imported 9 comments from the remote bug at https://bugs.freedesktop.org/show_bug.cgi?id=89108.
If you reply to an imported comment from within Launchpad, your comment will be sent to the remote bug automatically. Read more about Launchpad's inter-bugtracker facilities at https://help.launchpad.net/InterBugTracking. ------------------------------------------------------------------------ On 2015-02-12T16:39:02+00:00 Sitsofe Wheeler wrote: Created attachment 113413 EeePC dmesg Description of the problem: When I boot up a v3.19 kernel on my EeePC 900 I get various drm_wait_one_vblank warnings. Steps to reproduce: 1. Boot a v3.19 Linux kernel on an EeePC 900. Expected results: No warnings Actual results: Warnings like: [ 0.516749] WARNING: CPU: 0 PID: 10 at drivers/gpu/drm/drm_irq.c:1121 drm_wait_one_vblank+0x138/0x170() [ 0.516754] vblank not available on crtc 0, ret=-22 How reproducible is the problem? It is reproducible every time. Additional information: Might be related to https://lkml.org/lkml/2015/1/31/198 . Version information: Ubuntu 14.04 EeePC 900 xorg 1:7.7+1ubuntu8 xserver-xorg 1:7.7+1ubuntu8 xserver-xorg-video-intel 2:2.99.910-0ubuntu1.4 Linux kernel 3.19 Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1432405/comments/0 ------------------------------------------------------------------------ On 2015-02-12T17:04:48+00:00 Jani-nikula wrote: Please try drm-intel-nightly branch of http://cgit.freedesktop.org/drm- intel Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1432405/comments/1 ------------------------------------------------------------------------ On 2015-02-12T17:36:19+00:00 Sitsofe Wheeler wrote: Sadly that kernel doesn't boot at all - just an empty black screen. Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1432405/comments/2 ------------------------------------------------------------------------ On 2015-02-13T07:17:00+00:00 Jani-nikula wrote: (In reply to Sitsofe Wheeler from comment #2) > Sadly that kernel doesn't boot at all - just an empty black screen. Meh. What if you cherry pick commit f9b61ff6bce9a44555324b29e593fdffc9a115bc Author: Daniel Vetter <daniel.vet...@ffwll.ch> Date: Wed Jan 7 13:54:39 2015 +0100 drm/i915: Push vblank enable/disable past encoder->enable/disable on top of v3.19? Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1432405/comments/3 ------------------------------------------------------------------------ On 2015-02-13T15:36:44+00:00 Sitsofe Wheeler wrote: Created attachment 113465 EeePC dmesg f9b61ff6bce9a44555324b29e593fdffc9a115bc solves the drm_wait_one_vblank warning but check_crtc_state (pipe state doesn't match!) still remains. Do you want a separate bug for that? Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1432405/comments/4 ------------------------------------------------------------------------ On 2015-02-18T16:11:04+00:00 Jani-nikula wrote: (In reply to Sitsofe Wheeler from comment #4) > Created attachment 113465 [details] > EeePC dmesg > > f9b61ff6bce9a44555324b29e593fdffc9a115bc solves the drm_wait_one_vblank > warning but check_crtc_state (pipe state doesn't match!) still remains. Do > you want a separate bug for that? Sorry for the delay - yes please. I'll try to get the referenced commit backported to v3.19 stable kernels. Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1432405/comments/5 ------------------------------------------------------------------------ On 2015-02-18T18:17:17+00:00 Sitsofe Wheeler wrote: New issue filed as #89209 . Feel free to close this issue as resolved when you're ready Jani! Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1432405/comments/6 ------------------------------------------------------------------------ On 2015-03-02T10:27:37+00:00 Jani-nikula wrote: http://mid.gmane.org/874mq3oif5....@intel.com Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1432405/comments/7 ------------------------------------------------------------------------ On 2015-03-02T10:27:59+00:00 Jani-nikula wrote: Thanks for the report. Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1432405/comments/8 ** Changed in: linux Status: Unknown => Fix Released ** Changed in: linux Importance: Unknown => Medium -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1432405 Title: [Toshiba Equium A100-306] WARNING: CPU: 0 PID: 968 at /build/buildd/linux-3.19.0/drivers/gpu/drm/drm_irq.c:1121 drm_wait_one_vblank+0x170/0x180 [drm]() To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1432405/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs