Dear All,

The current intel driver, as well as all versions used in OpenSUSE 12.1,
suffer the problem that icons and other elements become black after
hibernate/resume (and sometimes after several switching on/off
screensaver, or even after several xrefresh commands). The only build that
suffers this problem less seriously (in a slightly another form) is that
of home:skalpel4k repository, I do not know why. I tried many driver
options, but no one cured the problem.

I already tried to attract attention to this problem on this mailing list,
but nobody have interested it. I found a bug report on this problem on the
Novell Bugzilla, but no one answered it for a half a year! For me and, I
guess, for everybody who uses hibernation, the problem is serious. Why do
you ignore the reports on it?

Michael Lashkevich

> Hi Ralf,
>
> Version 2.20.3 is out and the bug should be fixed in this release. I'll
> have this packed soon and send it in to X11:Xorg, but reviewing and
> building may take some time!
>
> Thanks
> Tobias Klausmann
>
> On 03.08.2012 17:13, Dr. Ralf Czekalla wrote:
>> Hi Tobias,
>>
>> thanks for the feedback. You are right, I already send this problem to
>> bugs.freedesktop.org and I think it is connected to
>> https://bugs.freedesktop.org/show_bug.cgi?id=52473, because the
>> messages are mentioned there are very similar to the behavior I see.
>>
>> The only sad thing is, that I now can not go back to 2.20.0 which
>> worked surprisingly good for a *.0 release. So far I don't have my own
>> repository mirror for 12.1, only 11.4. Would be nice to see some
>> version history management also in OBS keeping one or 2 older stable
>> versions of important repositories like Xorg before deleting them. I
>> will take this as a hint to start my own mirror with version
>> management also for 12.1 and soon 12.2.
>>
>> Best regards
>> Ralf
>>
>> Am 03.08.2012 15:51, schrieb Tobias Klausmann:
>>> Hello there,
>>> the mentioned changes are provided by the upstream repositories:
>>> http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/ (No actual
>>> source changes are done by me ;-) ), i'm just packing these and
>>> sending them in to X11:XOrg. But i would advise you to go back to
>>> uxa, sna is "stable" since 2.20.0 and under heavy development. Please
>>> wait some time and file a bug at https:///, if you haven't done this
>>> already! But i will look into this anyway and hopefully come back
>>> with an experimental patched package to test :-)
>>>
>>> Thank you
>>> Tobias Klausmann
>>>
>>> On 03.08.2012 03:17, Dr. Ralf Czekalla wrote:
>>>> OK, seems to have something to do with the SNA extension, which was
>>>> working well with version 2.20.0.
>>>> I switched it on with "AccelMethod" "SNA" in xorg.conf.
>>>>
>>>> In the change log of xf86-driver-intel, I see that a lot of changes
>>>> happened by Tobias Klausmann, also mentioning some gen4 specific
>>>> changes:
>>>>
>>>> Fri Jul 27 14:00:00 2012 [email protected]
>>>>
>>>> - Update to version 2.20.2:
>>>>   + FixedIvyBridge GT1 systems (HD2500 graphics) GPU hang
>>>>   + Support for the gmux backlight controller on Apple laptops
>>>> https://bugs.freedesktop.org/show_bug.cgi?id=52423
>>>>   + Fix X -configure not to list this driver as matching any Intel
>>>> device,
>>>>     just the VGA class devices will do!
>>>>   + A crash in SNA when repeatedly switching xrandr rotations
>>>>   + Corruption in SNA observed in kwin on IvyBridge
>>>> https://bugs.freedesktop.org/show_bug.cgi?id=52473
>>>>
>>>> Mon Jul 23 14:00:00 2012 [email protected]
>>>>
>>>> - Update to version 2.20.1:
>>>> - Restore DRI for i810
>>>> - Fixed the SNA fallbacks on 64 bit causing screen corruption
>>>> - Bug fixes:
>>>>   + A bug affecting gen4 handling of trapezoids was fixed, and CPU
>>>>     overhead reduced.
>>>> https://bugs.freedesktop.org/show_bug.cgi?id=52158
>>>>   + A fix for a bug causing corruption of a DRI2 unredirected client
>>>>     window that was resized whilst under a compositor.
>>>>   + Support for snoopable buffers on non-LLC architectures, coming to
>>>>     a future kernel. The aim to accelerate transfers between the CPU
>>>>     and the GPU, in particular to dramatically improve readback
>>>>     performance, and to further minimise clflushes.
>>>>   + Improvement to the composite performance on GT2 SandyBridge and
>>>>     IvyBridge devices, in particular the render copy is significantly
>>>>     improved.
>>>>   + Improved handling for when acceleration is disabled, including
>>>>     permitting DRI2 to remain supported even if the X server believes
>>>>     the GPU wedged.
>>>>   + Shadow support was dropped from UXA as it was neither complete nor
>>>>     correct, use SNA instead.
>>>>
>>>>
>>>> I'm getting the following error in Xorg.0.log.old as soon as any
>>>> load comes to X:
>>>>
>>>> [    33.859] (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so
>>>> [    33.859] (II) Module intel: vendor="X.Org Foundation"
>>>> [    33.859]    compiled for 1.12.3, module version = 2.20.2
>>>> [    33.859]    Module class: X.Org Video Driver
>>>> [    33.859]    ABI class: X.Org Video Driver, version 12.0
>>>> [    33.859] (II) intel: Driver for Intel Integrated Graphics
>>>> Chipsets: i810,
>>>>         i810-dc100, i810e, i815, i830M, 845G, 854, 852GM/855GM,
>>>> 865G, 915G,
>>>>         E7221 (i915), 915GM, 945G, 945GM, 945GME, Pineview GM,
>>>> Pineview G,
>>>>         965G, G35, 965Q, 946GZ, 965GM, 965GME/GLE, G33, Q35, Q33,
>>>> GM45,
>>>> ...
>>>> [    33.869] (II) intel(0): Creating default Display subsection in
>>>> Screen section
>>>>         "Default Screen Section" for depth/fbbpp 24/32
>>>> [    33.869] (==) intel(0): Depth 24, (--) framebuffer bpp 32
>>>> [    33.869] (==) intel(0): RGB weight 888
>>>> [    33.869] (==) intel(0): Default visual is TrueColor
>>>> [    33.869] (**) intel(0): Option "AccelMethod" "SNA"
>>>> [    33.869] (--) intel(0): Integrated Graphics Chipset: Intel(R)
>>>> 965GM
>>>> [    33.870] (**) intel(0): Framebuffer tiled
>>>> [    33.870] (**) intel(0): Pixmaps tiled
>>>> [    33.870] (**) intel(0): 3D buffers tiled
>>>> [    33.870] (**) intel(0): Throttling enabled
>>>> [    33.870] (**) intel(0): Delayed flush enabled
>>>> [    33.870] (**) intel(0): "Tear free" disabled
>>>> [    33.870] (**) intel(0): Forcing per-crtc-pixmaps? no
>>>> [    33.870] (II) intel(0): Output LVDS1 has no monitor section
>>>> [    33.870] (II) intel(0): found backlight control interface
>>>> acpi_video0 (type 'firmware')
>>>> [    33.912] (II) intel(0): Output VGA1 has no monitor section
>>>> [    33.920] (II) intel(0): Output DVI1 has no monitor section
>>>> [    33.920] (II) intel(0): Output TV1 has no monitor section
>>>> [    33.921] (II) intel(0): EDID for output LVDS1
>>>> ...
>>>> [   184.513] [mi] EQ overflowing.  Additional events will be
>>>> discarded until existing events are processed.
>>>> [   184.513]
>>>> [   184.513] Backtrace:
>>>> [   184.513] 0: /usr/bin/Xorg (xorg_backtrace+0x49) [0x81c8bf9]
>>>> [   184.513] 1: /usr/bin/Xorg (mieqEnqueue+0x22b) [0x81a6e5b]
>>>> [   184.513] 2: /usr/bin/Xorg (0x8048000+0x48375) [0x8090375]
>>>> [   184.513] 3: /usr/bin/Xorg (xf86PostMotionEventM+0x25f) [0x80ccf9f]
>>>> [   184.514] 4: /usr/bin/Xorg (xf86PostMotionEvent+0x8d) [0x80cd19d]
>>>> [   184.514] 5: /usr/lib/xorg/modules/input/synaptics_drv.so
>>>> (0xb6862000+0x3afe) [0xb6865afe]
>>>> [   184.514] 6: /usr/lib/xorg/modules/input/synaptics_drv.so
>>>> (0xb6862000+0x5e1e) [0xb6867e1e]
>>>> [   184.514] 7: /usr/bin/Xorg (0x8048000+0x73af1) [0x80bbaf1]
>>>> [   184.514] 8: /usr/bin/Xorg (0x8048000+0x9b412) [0x80e3412]
>>>> [   184.514] 9: (vdso) (__kernel_sigreturn+0x0) [0xb7779400]
>>>> [   184.514] 10: /lib/libc.so.6 (ioctl+0x14) [0xb73c0334]
>>>> [   184.514] 11: /usr/lib/libdrm.so.2 (drmIoctl+0x34) [0xb71c2014]
>>>> [   184.514] 12: /usr/lib/xorg/modules/drivers/intel_drv.so
>>>> (0xb6dd2000+0x349e7) [0xb6e069e7]
>>>> [   184.514] 13: /usr/lib/xorg/modules/drivers/intel_drv.so
>>>> (0xb6dd2000+0x35aa8) [0xb6e07aa8]
>>>> [   184.514] 14: /usr/lib/xorg/modules/drivers/intel_drv.so
>>>> (0xb6dd2000+0x5ee63) [0xb6e30e63]
>>>> [   184.514] 15: /usr/lib/xorg/modules/drivers/intel_drv.so
>>>> (0xb6dd2000+0x6efe5) [0xb6e40fe5]
>>>> [   184.514] 16: /usr/bin/Xorg (BlockHandler+0x56) [0x807efc6]
>>>> [   184.514] 17: /usr/bin/Xorg (WaitForSomething+0x10b) [0x81c5dab]
>>>> [   184.515] 18: /usr/bin/Xorg (0x8048000+0x32d62) [0x807ad62]
>>>> [   184.515] 19: /usr/bin/Xorg (0x8048000+0x209ba) [0x80689ba]
>>>> [   184.515] 20: /lib/libc.so.6 (__libc_start_main+0xf3) [0xb730c003]
>>>> [   184.515] 21: /usr/bin/Xorg (0x8048000+0x20ce9) [0x8068ce9]
>>>> [   184.515]
>>>> [   184.515] [mi] These backtraces from mieqEnqueue may point to a
>>>> culprit higher up the stack.
>>>> [   184.515] [mi] mieq is *NOT* the cause.  It is a victim.
>>>> [   189.020] (EE) intel(0): Detected a hung GPU, disabling
>>>> acceleration.
>>>> [   189.020] (EE) intel(0): When reporting this, please include
>>>> i915_error_state from debugfs and the full dmesg.
>>>> [   190.679] [mi] Increasing EQ size to 512 to prevent dropped events.
>>>> [   190.680] [mi] EQ processing has resumed after 93 dropped events.
>>>> [   190.680] [mi] This may be caused my a misbehaving driver
>>>> monopolizing the server's resources.
>>>> [   201.938] (II) AIGLX: Suspending AIGLX clients for VT switch
>>>>
>>>> Afterwards the screen gets black and also the backlight is getting
>>>> switched off. External monitors are also off.
>>>> I can not do anything else then reboot. No switch of VTs are
>>>> possible any more.
>>>>
>>>> If I deactivate SNA and go back to UXA again, these problems do not
>>>> occur any more.
>>>>
>>>> Best regards
>>>> Ralf
>>>>
>>>> Am 01.08.2012 02:59, schrieb Dr. Ralf Czekalla:
>>>>> Hi Folks,
>>>>>
>>>>> just installed latest intel 2.20.2 from Xorg repository on a GM965
>>>>> (gen4) notebook (Fujitsu E8310).
>>>>> With the previous intel driver 2.20.0 it finally worked fully even
>>>>> with "AccelMethod" "SNA" in xorg.conf.
>>>>>
>>>>> The new driver 2.20.2 installed, I suddenly see all kind of
>>>>> problems like:
>>>>>
>>>>> Windows opening without frames in KDE,
>>>>>    unmovable, staying on top and
>>>>>    blocking other windows below,
>>>>>    pop-ups with input requirements are not taking any keys...
>>>>>
>>>>> Error messages about hung GPU in Xorg.0.log
>>>>>
>>>>> On first reboot sitting in the docking station the whole screen
>>>>> (LVDS) got black when KDE desktop should appear
>>>>> etc.
>>>>>
>>>>> Anybody else facing this?
>>>>>
>>>>> As said, intel driver 2.20.0 worked wonderfully on same gen4
>>>>> hardware!
>>>>>
>>>>> Best regards
>>>>> Ralf
>>>>>
>>>>
>>>>
>>>
>>
>>
>
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