[Bug 91108] New: [xf86-video-intel] poor performance and stuttering

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91108

            Bug ID: 91108
           Summary: [xf86-video-intel] poor performance and stuttering
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/intel
          Assignee: chris at chris-wilson.co.uk
          Reporter: freedesktop at mohlerm.ch
        QA Contact: intel-gfx-bugs at lists.freedesktop.org

Created attachment 116714
  --> https://bugs.freedesktop.org/attachment.cgi?id=116714&action=edit
Xorg.0.log

This issue came up after upgrading to the latest version of the intel driver.

My terminal emulator has very poor performance and some programs don't show
text.
General system performance is way worse than before.

Using version: 1:2.99.917+364+gb24e758-1, Thinkpad X1 Carbon, Intel Core i7
3667U with an Intel HD Graphics 4000 
Downgrading to 2.99.917-5 fixed the issue.


Might be related to: https://bugs.freedesktop.org/show_bug.cgi?id=91105

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