[Bug 94686] New: [i915] hard freeze after install update from commit 4e108afe55f6b13aa946d1252ff0b828929245b3

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94686

            Bug ID: 94686
           Summary: [i915] hard freeze after install update from commit
                    4e108afe55f6b13aa946d1252ff0b828929245b3
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: fademind at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 122524
  --> https://bugs.freedesktop.org/attachment.cgi?id=122524&action=edit
Xorg.log with debug flags enabled

Regression.

Since workaround issue #94515
https://bugs.freedesktop.org/show_bug.cgi?id=94515
via
https://projects.archlinux.org/svntogit/packages.git/commit/trunk?h=packages/xorg-server&id=bb37fae55e67f14bc491ca6bcccde3907f73b21c
all was FINE.

Currently I using xf86-video-intel-git 1:2.99.917+580+gf656f6a-1

based on commit
https://cgit.freedesktop.org/xorg/driver/xf86-video-intel/commit/?id=f656f6afa288c63968f45d6d32c96a4cf6213117
and ALL is FINE.

After upgrade xf86-video-intel-git to 1:2.99.917+586+g4e108af-1 and reboot,
after while I had freeze whole KDE Plasma again (like it was in #94515 before
workaround).




DEBUG DMESG and xorg.0.log AFTER happened issue.

Lastest Lines:

AT 645129 begin

[ 71.224] sna_accel_flush: flush?=0, dirty?=0
[ 71.224] sna_accel_flush: flush?=0, dirty?=0
[ 71.224] sna_block_handler (tv=-1.0)
[ 71.224] sna_accel_do_throttle -- no pending activity
[ 71.224] sna_wakeup_handler
[ 71.224] sna_mode_wakeup: len=32
[ 71.224] sna_crtc_record_swap: recording last swap on pipe=0, frame 4208
[msc=4208], time 71.223723
[ 71.224] vblank_complete: 4208 too early, now 4294971428, expected 91
[ 71.224] sna_present_queue: target msc=4294971428, seq=4132 (last_msc=4208)
[ 71.224] sna_wait_vblank(pipe=0, waiting until seq=4132)


REPEAT to the end:

[ 71.224] sna_mode_wakeup: len=32
[ 71.224] sna_crtc_record_swap: recording last swap on pipe=0, frame 4208
[msc=4208], time 71.223723
[ 71.224] vblank_complete: 4208 too early, now 4294971428, expected 91
[ 71.224] sna_present_queue: target msc=4294971428, seq=4132 (last_msc=4208)
[ 71.224] sna_wait_vblank(pipe=0, waiting until seq=4132)

... 


[ 83.370] sna_mode_wakeup: len=32
[ 83.370] sna_crtc_record_swap: recording last swap on pipe=0, frame 4940
[msc=4940], time 83.359320
[ 83.370] vblank_complete: 4940 too early, now 4294971428, expected 91
[ 83.370] sna_present_queue: target msc=4294971428, seq=4132 (last_msc=4940)
[ 83.370] sna_wait_vblank(pipe=0, waiting until seq=4132)
[ 83.370] sna_mode_wakeup: len=32
[ 83.370] sna_crtc_record_swap: recording last swap on pipe=0, f

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