[Bug 93564] New: Display perturbated on Intel(R) 945GME

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93564

            Bug ID: 93564
           Summary: Display perturbated on Intel(R) 945GME
           Product: DRI
           Version: unspecified
          Hardware: x86 (IA32)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: bruno at victoria.frmug.org
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 120770
  --> https://bugs.freedesktop.org/attachment.cgi?id=120770&action=edit
compressed /sys/class/drm/card0/error

On my HP mini laptop (1 GB RAM - 4 GB swap), running Mageia 5:

[    49.872] (II) intel(0): Using Kernel Mode Setting driver: i915, version
1.6.0 20150327
[    49.918] (--) intel(0): Integrated Graphics Chipset: Intel(R) 945GME

when loading multiple apps (LibreOffice + firefox in KDE), I have memory used
most completely and a bit of swap. In these conditions, I get lines on the
screen appearing in the menu bar of LibreOffice, or completely on the screen
preventing me from seeing anything. While looking for a log, I found these
indications in dmesg which invited me to create that BR:

[  191.704121] [drm] stuck on render ring
[  191.710428] [drm] GPU HANG: ecode 3:0:0x7fffffc1, in X [1755], reason: Ring
hung, action: reset
[  191.710436] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[  191.710440] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[  191.710443] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[  191.710447] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[  191.710450] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[  192.052208] drm/i915: Resetting chip after gpu hang
[  198.704082] [drm] stuck on render ring
[  198.710463] [drm] GPU HANG: ecode 3:0:0x7fffffc1, in X [1755], reason: Ring
hung, action: reset
[  198.766905] [drm:i915_gem_reset [i915]] *ERROR* gpu hanging too fast,
banning!
[  198.767070] drm/i915: Resetting chip after gpu hang

Kernel 4.1.13-desktop-2.mga5
lspci:
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML
Express Integrated Graphics Controller (rev 03)
        Subsystem: Hewlett-Packard Company Device 308f
        Flags: bus master, fast devsel, latency 0
        Memory at fe880000 (32-bit, non-prefetchable) [size=512K]
        Capabilities: [d0] Power Management version 2
xrandr --verbose
Screen 0: minimum 8 x 8, current 1024 x 600, maximum 32767 x 32767
LVDS1 connected primary 1024x600+0+0 (0x46) normal (normal left inverted right
x axis y axis) 222mm x 125mm
        Identifier: 0x42
        Timestamp:  47995
        Subpixel:   horizontal rgb
        Gamma:      1.0:1.0:1.0
        Brightness: 1.0
        Clones:    
        CRTC:       0
        CRTCs:      0
        Transform:  1.000000 0.000000 0.000000
                    0.000000 1.000000 0.000000
                    0.000000 0.000000 1.000000
                   filter: 
        EDID: 
                00ffffffffffff002264e903a6570400
                2f13010380160d780a8c85975b538e27
                18505400000001010101010101010101
                0101010101012c150030415850205d23
                9508de7d00000019000000fe00000000
                00000000000000000000000000fc0048
                5344313031504657320a202000000010
                000a20202020202020202020202000d8
        BACKLIGHT: 10 
                range: (0, 10)
        Backlight: 10 
                range: (0, 10)
        scaling mode: Full aspect 
                supported: None, Full, Center, Full aspect
  1024x600 (0x46) 54.200MHz -HSync -VSync *current +preferred
        h: width  1024 start 1117 end 1152 total 1328 skew    0 clock  40.81KHz
        v: height  600 start  641 end  646 total  680           clock  60.02Hz
  800x600 (0x8f) 40.000MHz +HSync +VSync
        h: width   800 start  840 end  968 total 1056 skew    0 clock  37.88KHz
        v: height  600 start  601 end  605 total  628           clock  60.32Hz
  640x480 (0x90) 25.175MHz -HSync -VSync
        h: width   640 start  656 end  752 total  800 skew    0 clock  31.47KHz
        v: height  480 start  490 end  492 total  525           clock  59.94Hz
VGA1 disconnected (normal left inverted right x axis y axis)
        Identifier: 0x43
        Timestamp:  47995
        Subpixel:   unknown
        Clones:    
        CRTCs:      1 0
        Transform:  1.000000 0.000000 0.000000
                    0.000000 1.000000 0.000000
                    0.000000 0.000000 1.000000
                   filter: 
VIRTUAL1 disconnected (normal left inverted right x axis y axis)
        Identifier: 0x44
        Timestamp:  47995
        Subpixel:   no subpixels
        Clones:    
        CRTCs:      2
        Transform:  1.000000 0.000000 0.000000
                    0.000000 1.000000 0.000000
                    0.000000 0.000000 1.000000
                   filter: 

Killing the apps taking memory render the display usable again

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