i can confirm the same problem with my hp compaq 610 laptop (rather old laptop, not your new unknown model either)
the problem in my case links back to the i915 kernel module. full bug output may be found here: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1583817 i havent gotten me the new daily kernel within the past 3 days... but theres activity within the kernel dev lists concerning this: https://www.spinics.net/lists/dri-devel/msg104602.html https://patchwork.freedesktop.org/patch/87937/ http://blog.gmane.org/gmane.linux.kernel.stable/day=20160502 -- 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
