Created attachment 80545 [details] dmesg System Environment: -------------------------- Platform: Ironlake Kernel: (linux-3.9.y)5dd2e9869de2d28fc7e5c274ff9c12af4361ba86 Some additional commit info: Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Date: Fri Jun 7 12:54:00 2013 -0700 Linux 3.9.5 Bug detailed description: ------------------------- It fails on Ironlake with 3.9.5 kernel.It also happens on Kernel: (linux-3.9.y)4bb08696fab71294c8f1c134a21be9159f82ba08(3.9.3). It works well on latest drm-intel-next-queued and drm-intel-fixes kernel. output: Using monotonic timestamps running testcase: flip-vs-panning Beginning flip-vs-panning on crtc 3, connector 7 1280x1024 60 1280 1328 1440 1688 1024 1025 1028 1066 0x5 0x48 108000 ........................................................................................unexpected flip seq 4699, should be >= 4700 Reproduce steps: ---------------- 1. ./kms_flip --run-subtest flip-vs-panning
The fix was scheduled for v3.10. Perhaps it should have been marked for stable?
*** Bug 65559 has been marked as a duplicate of this bug. ***
Imo not worth trying to backport all the pageflip/panning fixes until we get a real bug report from client use-case.
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