[Bug 82587] New: [GM45 regression bisected] Hang after resume from hibernate

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Aug 13 15:26:24 PDT 2014


https://bugs.freedesktop.org/show_bug.cgi?id=82587

          Priority: medium
            Bug ID: 82587
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [GM45 regression bisected] Hang after resume from
                    hibernate
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: mb-tmp-ohtf.serrqrfxgbc.bet at gromit.dyndns.org
          Hardware: x86 (IA32)
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 104588
  --> https://bugs.freedesktop.org/attachment.cgi?id=104588&action=edit
Xorg.0.log with error messages

Bug description:
Graphics display frozen (mouse pointer still moves) after resume from
hibernation. Xorg.0.log filled with:
(EE) intel(0): Failed to submit batch buffer, expect rendering corruption or
even a frozen display: Invalid argument.
This is a regression, hiberate worked fine up to Linux kernel 3.11.

System environment:
-- chipset: GM45
-- system architecture: i686
-- xf86-video-intel: 2.19.0
-- xserver: 1.12.4
-- mesa: 2.1 Mesa 8.0.5
-- libdrm: 2.4.40
-- kernel: 3.12.23, 3.14.16, 3.16
-- Linux distribution: Debian Wheezy
-- Machine or mobo model: Lenovo Thinkpad X200 Tablet
-- Display connector: Integrated panel

Reproducing steps:
* Boot system
* On login screen (I use lightdm, but it's also reproducible from within an
  Xfce session), click "Hibernate"
* Wait a few minutes (10 min always seems to be enough, immediate resume
  sometimes doesn't show the problem)
* Power on
* Wait for resume from hibernation
* Old screen shown again, but cursor not flashing and no interaction possible
* Switch to VT1 using Ctrl-Alt-F1
* Inspect /var/log/Xorg.0.log

Additional info:
git-bisect showed that commit 17fec8a08698bcab98788e1e89f5b8e7502ababd
(drm/i915: Use Graphics Base of Stolen Memory on all gen3+) from
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
causes the problem. Reverting to the previous commit
f63a484c2f606b8267eb4d1dbfce5d1d3416e0bb fixes the problem.

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