[Bug 61182] New: r600g causes KWin crashes with kernel 3.8

[Bug 61182] New: r600g causes KWin crashes with kernel 3.8

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

          Priority: medium
            Bug ID: 61182
          Assignee: dri-devel@lists.freedesktop.org
           Summary: r600g causes KWin crashes with kernel 3.8
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: eugene.shalygin@gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Drivers/Gallium/r600
           Product: Mesa

Kwin crashes with current mesa and kernel 3.8. It does not crash with 3.7
kernel. With mesa 9.0.2 and kernel 3.8 kwin also works fine

#5  0x0000003647c892ab in __memset_sse2 () from /lib64/libc.so.6
#6  0x00007f5a8cbf6cf3 in r600_texture_create_object (screen=0x980ca0,
base=0x7fff208b4770, pitch_in_bytes_override=0, buf=0x0,
surface=0x7fff208b3a80) at r600_texture.c:509
#7  0x00007f5a8cbf7339 in r600_texture_create (screen=0x980ca0,
templ=0x7fff208b4770) at r600_texture.c:601
#8  0x00007f5a8cbdbae5 in r600_resource_create (screen=0x980ca0,
templ=0x7fff208b4770) at r600_resource.c:37
#9  0x00007f5a8cc1b4d2 in dri2_drawable_process_buffers (drawable=0xc2b130,
buffers=0x764460, buffer_count=1, atts=0x7fff208b48b0, att_count=1) at
dri2.c:254
#10 0x00007f5a8cc1b9b3 in dri2_allocate_textures (drawable=0xc2b130,
statts=0x7fff208b48b0, statts_count=1) at dri2.c:404
#11 0x00007f5a8cc19f0f in dri_st_framebuffer_validate (stfbi=0xc2b130,
statts=0x7fff208b48b0, count=1, out=0x0) at dri_drawable.c:81
#12 0x00007f5a8cc1a30e in dri_drawable_validate_att (drawable=0xc2b130,
statt=ST_ATTACHMENT_FRONT_LEFT) at dri_drawable.c:206
#13 0x00007f5a8cc1a35c in dri_set_tex_buffer2 (pDRICtx=0x8fef20, target=3553,
format=8409, dPriv=0xbee5e0) at dri_drawable.c:220
#14 0x00007f5a9b82f590 in dri2_bind_tex_image (dpy=0x7d15f0, drawable=29360171,
buffer=8414, attrib_list=0x0) at dri2_glx.c:1002
#15 0x00007f5a9b7f30f5 in __glXBindTexImageEXT (dpy=0x7d15f0,
drawable=29360171, buffer=8414, attrib_list=0x0) at glxcmds.c:2370
#16 0x00007f5a9d1773c3 in KWin::GlxTexture::loadTexture(unsigned long const&,
QSize const&, int) () from /usr/lib64/libkdeinit4_kwin.so
#17 0x00007f5a9d16f175 in KWin::SceneOpenGL::Window::bindTexture() () from
/usr/lib64/libkdeinit4_kwin.so
#18 0x00007f5a9d175a8e in KWin::SceneOpenGL::Window::performPaint(int, QRegion,
KWin::WindowPaintData) () from /usr/lib64/libkdeinit4_kwin.so
#19 0x00007f5a9d16e32f in
KWin::SceneOpenGL2::performPaintWindow(KWin::EffectWindowImpl*, int, QRegion,
KWin::WindowPaintData&) () from /usr/lib64/libkdeinit4_kwin.so
#20 0x00007f5a9d16e4cd in
KWin::SceneOpenGL2::finalDrawWindow(KWin::EffectWindowImpl*, int, QRegion,
KWin::WindowPaintData&) () from /usr/lib64/libkdeinit4_kwin.so
#21 0x00007f5a9d1822b5 in
KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () from /usr/lib64/libkdeinit4_kwin.so
#22 0x00007f5a9d16178a in
KWin::Scene::finalPaintWindow(KWin::EffectWindowImpl*, int, QRegion,
KWin::WindowPaintData&) () from /usr/lib64/libkdeinit4_kwin.so
#23 0x00007f5a9d182557 in
KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () from /usr/lib64/libkdeinit4_kwin.so
#24 0x00007f5a9d16434d in KWin::Scene::paintWindow(KWin::Scene::Window*, int,
QRegion, KWin::WindowQuadList) () from /usr/lib64/libkdeinit4_kwin.so
#25 0x00007f5a9d16367f in KWin::Scene::paintSimpleScreen(int, QRegion) () from
/usr/lib64/libkdeinit4_kwin.so
#26 0x00007f5a9d1616ce in KWin::Scene::finalPaintScreen(int, QRegion,
KWin::ScreenPaintData&) () from /usr/lib64/libkdeinit4_kwin.so
#27 0x00007f5a9d182720 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () from /usr/lib64/libkdeinit4_kwin.so
#28 0x00007f5a9d162a68 in KWin::Scene::paintScreen(int*, QRegion*) () from
/usr/lib64/libkdeinit4_kwin.so
#29 0x00007f5a9d171fce in KWin::SceneOpenGL::paint(QRegion,
QList<KWin::Toplevel*>) () from /usr/lib64/libkdeinit4_kwin.so
#30 0x00007f5a9d15ceac in KWin::Compositor::performCompositing() () from
/usr/lib64/libkdeinit4_kwin.so
#31 0x00007f5a9d15d950 in KWin::Compositor::slotCompositingOptionsInitialized()
() from /usr/lib64/libkdeinit4_kwin.so
#32 0x00007f5a9afb418f in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () from /usr/lib64/qt4/libQtCore.so.4
#33 0x00007f5a9ae96877 in QFutureWatcherBase::event(QEvent*) () from
/usr/lib64/qt4/libQtCore.so.4
#34 0x00007f5a9a35cd6c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib64/qt4/libQtGui.so.4
#35 0x00007f5a9a35eaea in QApplication::notify(QObject*, QEvent*) () from
/usr/lib64/qt4/libQtGui.so.4
#36 0x00007f5a9cc83336 in KApplication::notify(QObject*, QEvent*) () from
/usr/lib64/libkdeui.so.5
#37 0x00007f5a9af9f06e in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib64/qt4/libQtCore.so.4
#38 0x00007f5a9afa2891 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib64/qt4/libQtCore.so.4
#39 0x00007f5a9a3f8979 in
QEventDispatcherX11::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/qt4/libQtGui.so.4
#40 0x00007f5a9af9ddcf in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/qt4/libQtCore.so.4
#41 0x00007f5a9af9e058 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/qt4/libQtCore.so.4
#42 0x00007f5a9afa2ba8 in QCoreApplication::exec() () from
/usr/lib64/qt4/libQtCore.so.4
#43 0x00007f5a9d113d2a in kdemain () from /usr/lib64/libkdeinit4_kwin.so
#44 0x0000003647c249b5 in __libc_start_main () from /lib64/libc.so.6
#45 0x0000000000400831 in _start ()

Hardware: Mobility Radeon HD 5850

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #1 from Eugene Shalygin <eugene.shalygin@gmail.com> ---
This happens only when kwin starts for the first time. There are no crashes at
next runs.

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #2 from Eugene Shalygin <eugene.shalygin@gmail.com> ---
Same crash with the same backtrace using mesa 9.1 and kernel 3.8

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #3 from Eugene Shalygin <eugene.shalygin@gmail.com> ---
With "glamor" as acceleration method, these crashes are much more rare

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #4 from Knut Andre Tidemann <knut.tidemann@gmail.com> ---
I can confirm a very similar crash:

#5  0x00007fb122be859b in __memset_sse2 () from /usr/lib/libc.so.6
#6  0x00007fb072bd0a5f in r600_texture_create_object () from
/usr/lib/xorg/modules/dri/r600_dri.so
#7  0x00007fb072bd0d37 in r600_texture_create () from
/usr/lib/xorg/modules/dri/r600_dri.so
#8  0x00007fb072be3145 in dri2_allocate_textures () from
/usr/lib/xorg/modules/dri/r600_dri.so
#9  0x00007fb072be1c65 in dri_st_framebuffer_validate () from
/usr/lib/xorg/modules/dri/r600_dri.so
#10 0x00007fb072be1e9e in dri_set_tex_buffer2 () from
/usr/lib/xorg/modules/dri/r600_dri.so
#11 0x00007fb122fd94b3 in ?? () from /usr/lib/libkdeinit4_kwin.so

(I don't have debug symbols for kwin, and mesa was compiled in release mode).

Mesa 9.2-devel (git-4154ac0)
Kernel 3.8.0.
KDE 4.10.

I get the crash when first logging in, but I also get it every time I unlock
the screen after locking it from the 'K-menu'.

The crash only occurs if compositing is on.

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #5 from Knut Andre Tidemann <knut.tidemann@gmail.com> ---
I forgot to add:

My card is a Radeon HD 5670

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #6 from Eugene Shalygin <eugene.shalygin@gmail.com> ---
The same crash happens time to time when maximizing application windows

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #7 from Eugene Shalygin <eugene.shalygin@gmail.com> ---
it is quite interesting to note that the crash happens only using 1920x1080 and
higher screen resolution. If the resolution is lower, kwin works fine.

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #8 from Jürg Billeter <j@bitron.ch> ---
I don't have a usable backtrace at hand, but I'm seeing very similar crashes in
gnome-shell as well with Mesa 9.1 and Linux 3.8.3. With Mesa 9.0.3, I haven't
noticed any crashes so far. It crashes much more frequently with two monitors
(both 1920x1200) attached than with just one.

This is on an x86-64 system with Radeon HD 4770.

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #9 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #8)
> I don't have a usable backtrace at hand, but I'm seeing very similar crashes
> in gnome-shell as well with Mesa 9.1 and Linux 3.8.3. With Mesa 9.0.3, I
> haven't noticed any crashes so far. It crashes much more frequently with two
> monitors (both 1920x1200) attached than with just one.

Can you bisect mesa?

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #10 from Jürg Billeter <j@bitron.ch> ---
(In reply to comment #9)
> (In reply to comment #8)
> > I don't have a usable backtrace at hand, but I'm seeing very similar crashes
> > in gnome-shell as well with Mesa 9.1 and Linux 3.8.3. With Mesa 9.0.3, I
> > haven't noticed any crashes so far. It crashes much more frequently with two
> > monitors (both 1920x1200) attached than with just one.
> 
> Can you bisect mesa?

I don't have a reliable trigger for the crash yet. If I can find one, I'll give
it a try.

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #11 from Michael Mair-Keimberger <bu9zilla@gmail.com> ---
I don't know if its the same but i can confirm similar crashes.

First of all, i have a triple head setup, 2 screens with 1920x1200 (left and
right) and one with 2560x1600 (middle). Those crashes happen since kernel 3.8
(i've used 3.8.[1-4]) and mesa-9.1 but i don't know which one actually
introduced the problem as i both updated at the same time..
Furthermore they are no crashes at all if i disable desktop effects in kde.

Basically i only have to create an new user and login into it. Kde usually sets
the resolution of all screens to 1920x1200 with enabled desktop effect. I can
actually move the screens back and forth (because the ordering is wrong too
with the first start) without problems, but as soon as i'm changing the
resolution of the middle screen X crashes.
Without effects i won't get any crashes.

If you need more info, please let me know.

Below are the relevant parts of Xorg.0.log (even though without debug symbols i
think its quite useless ;) ):

[  1671.397] (EE) 
[  1671.397] (EE) Backtrace:
[  1671.397] (EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x5860f6]
[  1671.397] (EE) 1: /usr/bin/X (0x400000+0x189e09) [0x589e09]
[  1671.397] (EE) 2: /lib64/libpthread.so.0 (0x7ff6d65e0000+0x10ff0)
[0x7ff6d65f0ff0]
[  1671.397] (EE) 3: /lib64/libc.so.6 (0x7ff6d5238000+0x8a6fb) [0x7ff6d52c26fb]
[  1671.397] (EE) 4: /usr/lib64/dri/r600_dri.so (0x7ff6d2438000+0x5175c7)
[0x7ff6d294f5c7]
[  1671.397] (EE) 5: /usr/lib64/dri/r600_dri.so (0x7ff6d2438000+0x517a87)
[0x7ff6d294fa87]
[  1671.398] (EE) 6: /usr/lib64/dri/r600_dri.so (0x7ff6d2438000+0x52a0dd)
[0x7ff6d29620dd]
[  1671.398] (EE) 7: /usr/lib64/dri/r600_dri.so (0x7ff6d2438000+0x528c4d)
[0x7ff6d2960c4d]
[  1671.398] (EE) 8: /usr/lib64/dri/r600_dri.so (0x7ff6d2438000+0x528e86)
[0x7ff6d2960e86]
[  1671.398] (EE) 9: /usr/lib64/xorg/modules/extensions/libglx.so
(0x7ff6d44d8000+0x4541a) [0x7ff6d451d41a]
[  1671.398] (EE) 10: /usr/lib64/xorg/modules/extensions/libglx.so
(0x7ff6d44d8000+0x39941) [0x7ff6d4511941]
[  1671.398] (EE) 11: /usr/lib64/xorg/modules/extensions/libglx.so
(0x7ff6d44d8000+0x3a183) [0x7ff6d4512183]
[  1671.398] (EE) 12: /usr/lib64/xorg/modules/extensions/libglx.so
(0x7ff6d44d8000+0x3c73e) [0x7ff6d451473e]
[  1671.398] (EE) 13: /usr/bin/X (0x400000+0x3ad96) [0x43ad96]
[  1671.398] (EE) 14: /usr/bin/X (0x400000+0x29e8d) [0x429e8d]
[  1671.398] (EE) 15: /lib64/libc.so.6 (__libc_start_main+0xed)
[0x7ff6d525c94d]
[  1671.398] (EE) 16: /usr/bin/X (0x400000+0x2a1fd) [0x42a1fd]
[  1671.398] (EE) 
[  1671.398] (EE) Bus error at address 0x7ff6ccbee000
[  1671.398] 
Fatal server error:
[  1671.398] Caught signal 7 (Bus error). Server aborting
[  1671.398] 
[  1671.398] (EE) 
Please consult the The X.Org Foundation support 
     at http://wiki.x.org
 for help. 
[  1671.398] (EE) Please also check the log file at "/var/log/Xorg.0.log" for
additional information.
[  1671.398] (EE) 
[  1671.398] (II) AIGLX: Suspending AIGLX clients for VT switch
[  1671.460] Server terminated with error (1). Closing log file.

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #12 from Alex Deucher <agd5f@yahoo.com> ---
I think these are actually several bugs at play here.

1. CPU only has a 256 MB window into vram.  If the window is full due to
fragmentation or other mapped buffers, we fail.  Does disabling hyperz help? 
set env var R600_HYPERZ=0 (mesa 9.1 or older), or R600_DEBUG=nohyperz (mesa
git).

2. running out of GPU accessible memory when migrating buffers.  Does setting
radeon.gartsize=1024 on the kernel command line in grub help?

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #13 from Michel Dänzer <michel@daenzer.net> ---
Eugene and Knut, in the future please always include information about which
signal was generated, at least if it's not SIGSEGV (which is the most common).

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #14 from Michael Mair-Keimberger <bu9zilla@gmail.com> ---
(In reply to comment #12)
> I think these are actually several bugs at play here.
> 
> 1. CPU only has a 256 MB window into vram.  If the window is full due to
> fragmentation or other mapped buffers, we fail.  Does disabling hyperz help?
> set env var R600_HYPERZ=0 (mesa 9.1 or older), or R600_DEBUG=nohyperz (mesa
> git).
> 
> 2. running out of GPU accessible memory when migrating buffers.  Does
> setting radeon.gartsize=1024 on the kernel command line in grub help?

Just tried both, but nothing changed...

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #15 from Eugene Shalygin <eugene.shalygin@gmail.com> ---
(In reply to comment #14)
Also tried both suggestions. Both changes together allows me to run `kwin
--replace` with active kwin_gles. However, when I connect a second screen, it
crashes (signal 7) with the same backtrace. When I toggle desktop effects, it
crashes also.

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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--- Comment #16 from Jürg Billeter <j@bitron.ch> ---
No gnome-shell crashes since I've upgraded to Mesa 9.1.1. Will post an update
in a few days whether it remains stable or I was just lucky today.

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

D. Hugh Redelmeier <hugh@mimosa.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |hugh@mimosa.com

--- Comment #17 from D. Hugh Redelmeier <hugh@mimosa.com> ---
I think that I am hitting this bug on Fedora 18 x86-64 with all current updates
(as of a couple of days ago).

I'm hitting it in Gnome_shell (

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #18 from D. Hugh Redelmeier <hugh@mimosa.com> ---
(Sorry for the previous uncompleted comment.  I will continue.)

I'm hitting it in Gnome_shell
(https://bugzilla.redhat.com/show_bug.cgi?id=924076).

I'm hitting it in Cinnamon (https://bugzilla.redhat.com/show_bug.cgi?id=926036)

I'm hitting it in KWin (https://bugs.kde.org/show_bug.cgi?id=315089)

In each case, I get a SIGBUS in __memset_sse2, called from r600 code.  I'm not
used to getting SIGBUSes since I migrated from the PDP-11 :-).

This makes me think that it is a radeon driver bug.

One KDE developer pointed in another direction.  Since it is reported as an
intel driver bug, I don't think that it is right, but it might be relevant:
https://bugs.freedesktop.org/show_bug.cgi?id=58834

I think that I still have crash dumps for each of these.  If something from
them would be useful, ask soon before I recover the space.  But I think that I
can regenerate one all too quickly.

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #19 from D. Hugh Redelmeier <hugh@mimosa.com> ---
More information about my Fedora 18 x86-64 configuration:

- a single monitor: 2560 x 1600 pixels

- video card: Radeon HD 3600 XT (according to Xorg.0.log)

- Fedora's kernel: kernel-3.8.4-202.fc18.x86_64

- Fedora's mesa:

mesa-debuginfo-9.1-3.fc18.x86_64
mesa-dri-drivers-9.1-3.fc18.x86_64
mesa-dri-filesystem-9.1-3.fc18.x86_64
mesa-libEGL-9.1-3.fc18.x86_64
mesa-libgbm-9.1-3.fc18.x86_64
mesa-libGL-9.1-3.fc18.x86_64
mesa-libglapi-9.1-3.fc18.x86_64
mesa-libGLU-9.0.0-1.fc18.x86_64
mesa-libGLU-debuginfo-9.0.0-1.fc18.x86_64
mesa-libxatracker-9.1-3.fc18.x86_64

I didn't have this problem when running Fedora 17.  But I did have a bit of
oddness: https://bugzilla.kernel.org/show_bug.cgi?id=49981#c5

Is anything else of interest?

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #20 from Chris Fong <muteki_f@hotmail.com> ---
(In reply to comment #16)
> No gnome-shell crashes since I've upgraded to Mesa 9.1.1. Will post an
> update in a few days whether it remains stable or I was just lucky today.

Observed the same gnome-shell crash problem with Mesa 9.1.1 with kernel
3.8.4-202 also.  The way how I reproduce this is to have dual monitors.  The
left one with resolution 1680x1050 (rotated counterclockwise) and the right
with 1920x1200.  With this setup, gnome-shell will always crash at initial
login.  If I don't rotate the left monitor, gnome-shell will not crash.

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #21 from korgens@yandex.com ---
I can also confirm this bug.

Software:
Archlinux standard installation.
Linux 3.8.4-1-ARCH #1 SMP PREEMPT Wed Mar 20 22:10:25 CET 2013 x86_64 GNU/Linux
KDE: 4.10.1 (no widgets, other than the task panel)
Kwin: 4.10.1 (standard OpenGL effects installed)
Org X Server 1.14.0
Release Date: 2013-03-05
X Protocol Version 11, Revision 0
Build Operating System: Linux 3.8.2-1-ARCH x86_64 
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-linux root=UUID=xyz ro
init=/usr/lib/systemd/systemd
Build Date: 09 March 2013  11:43:05AM
Current version of pixman: 0.28.2
mesa: 9.1.1-1 (standard Arch package)

I also tried a git version from AUR repository (same crashes):
OpenGL vendor string:                   X.Org
OpenGL renderer string:                 Gallium 0.4 on AMD RV770
OpenGL version string:                  3.0 Mesa 9.2.0 (git-135bb3c)
OpenGL shading language version string: 1.30
Driver:                                 R600G
GPU class:                              R700
OpenGL version:                         3.0
GLSL version:                           1.30
Mesa version:                           9.2
X server version:                       1.14
Linux kernel version:                   3.8.4
Direct rendering:                       yes
Requires strict binding:                no
GLSL shaders:                           yes
Texture NPOT support:                   yes
Virtual Machine:                        no
Application::crashHandler() called with signal 7; recent crashes: 1

Xorg.conf: empty

Hardware:
Intel i7 920
ATI RV790 [Radeon HD 4890] 1GB VRAM

Monitor 1: 1920x1200 (DVI) - image as background
Monitor 2: 1920x1080 (HDMI) - image as background
Two virtual desktops configured.

How to reproduce: just log in into KDM. When the standard KDE desktop is
displayed the first Kwin crash (caused by r600 crash) has occurred and its
errors is already being displayed. Kwin is re-spawned and everything seems to
be normal for some minutes. Then it crashes again and then again, and again
until kwin and the desktop are dead definitively.

It doesn't seem to matter what applications are being used or if the second
monitor is on or off. The crashes happens all the same.

I didn't try to downgrade either the kernel or xorg, but I'm sure those crashes
started to happen after the latest kernel upgrade to 3.8.x.

Here is the backtrace, which seems to confirm the general suspicion of a
texture-handling problem:

Thread 1 (Thread 0x7fb64bdb6780 (LWP 734)):
[KCrash Handler]
#5  0x00007fb64b59859b in __memset_sse2 () from /usr/lib/libc.so.6
#6  0x00007fb59a42b40a in r600_texture_create_object () from
/usr/lib/xorg/modules/dri/r600_dri.so
#7  0x00007fb59a42b6e7 in r600_texture_create () from
/usr/lib/xorg/modules/dri/r600_dri.so
#8  0x00007fb59a43fbb5 in dri2_allocate_textures () from
/usr/lib/xorg/modules/dri/r600_dri.so
#9  0x00007fb59a43e695 in dri_st_framebuffer_validate () from
/usr/lib/xorg/modules/dri/r600_dri.so
#10 0x00007fb59a43e8ce in dri_set_tex_buffer2 () from
/usr/lib/xorg/modules/dri/r600_dri.so
#11 0x00007fb64b989343 in KWin::GlxTexture::loadTexture(unsigned long const&,
QSize const&, int) () from /usr/lib/libkdeinit4_kwin.so
#12 0x00007fb64b9810f5 in KWin::SceneOpenGL::Window::bindTexture() () from
/usr/lib/libkdeinit4_kwin.so
#13 0x00007fb64b987a0e in KWin::SceneOpenGL::Window::performPaint(int, QRegion,
KWin::WindowPaintData) () from /usr/lib/libkdeinit4_kwin.so
#14 0x00007fb64b9804bf in
KWin::SceneOpenGL2::performPaintWindow(KWin::EffectWindowImpl*, int, QRegion,
KWin::WindowPaintData&) () from /usr/lib/libkdeinit4_kwin.so
#15 0x00007fb64b98065d in
KWin::SceneOpenGL2::finalDrawWindow(KWin::EffectWindowImpl*, int, QRegion,
KWin::WindowPaintData&) () from /usr/lib/libkdeinit4_kwin.so
#16 0x00007fb64b994275 in
KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () from /usr/lib/libkdeinit4_kwin.so
#17 0x00007fb64b9738ea in
KWin::Scene::finalPaintWindow(KWin::EffectWindowImpl*, int, QRegion,
KWin::WindowPaintData&) () from /usr/lib/libkdeinit4_kwin.so
#18 0x00007fb64b994517 in
KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () from /usr/lib/libkdeinit4_kwin.so
#19 0x00007fb64b9764ad in KWin::Scene::paintWindow(KWin::Scene::Window*, int,
QRegion, KWin::WindowQuadList) () from /usr/lib/libkdeinit4_kwin.so
#20 0x00007fb64b9757df in KWin::Scene::paintSimpleScreen(int, QRegion) () from
/usr/lib/libkdeinit4_kwin.so
#21 0x00007fb64b97382e in KWin::Scene::finalPaintScreen(int, QRegion,
KWin::ScreenPaintData&) () from /usr/lib/libkdeinit4_kwin.so
#22 0x00007fb64b9946e0 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () from /usr/lib/libkdeinit4_kwin.so
#23 0x00007fb64b974bc8 in KWin::Scene::paintScreen(int*, QRegion*) () from
/usr/lib/libkdeinit4_kwin.so
#24 0x00007fb64b983f4e in KWin::SceneOpenGL::paint(QRegion,
QList<KWin::Toplevel*>) () from /usr/lib/libkdeinit4_kwin.so
#25 0x00007fb64b96efcc in KWin::Compositor::performCompositing() () from
/usr/lib/libkdeinit4_kwin.so
#26 0x00007fb64b96faa0 in KWin::Compositor::slotCompositingOptionsInitialized()
() from /usr/lib/libkdeinit4_kwin.so
#27 0x00007fb6469b8b8f in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () from /usr/lib/libQtCore.so.4
#28 0x00007fb646897487 in QFutureWatcherBase::event(QEvent*) () from
/usr/lib/libQtCore.so.4
#29 0x00007fb645b3618c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQtGui.so.4
#30 0x00007fb645b3a60a in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQtGui.so.4
#31 0x00007fb64b0eb8c6 in KApplication::notify(QObject*, QEvent*) () from
/usr/lib/libkdeui.so.5
#32 0x00007fb6469a36ae in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib/libQtCore.so.4
#33 0x00007fb6469a7011 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib/libQtCore.so.4
#34 0x00007fb645bd731c in ?? () from /usr/lib/libQtGui.so.4
#35 0x00007fb6469a23ff in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
#36 0x00007fb6469a2688 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
#37 0x00007fb6469a7328 in QCoreApplication::exec() () from
/usr/lib/libQtCore.so.4
#38 0x00007fb64b925d9a in kdemain () from /usr/lib/libkdeinit4_kwin.so
#39 0x00007fb64b532a15 in __libc_start_main () from /usr/lib/libc.so.6
#40 0x0000000000400701 in _start ()

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

ogjerstad@gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ogjerstad@gmail.com

--- Comment #22 from ogjerstad@gmail.com ---
I can also confirm this bug on Fedora 18 X86_64, radeon driver, HD5870 card.
I cannot log into the system with two external monitors attached, but with only
one external monitor it works fine. This seems to have started to happen after
upgrade to mesa-dri-drivers 9.1-1 or 9.1-3 (I did not restart between those
updates). Here is my backtrace:
b7b62d4d01e98c8b31d95895cbede393b8b0c6e8 0x8954b __memset_sse2 /lib64/libc.so.6
45eccba94f5fef95c8933974ac014d83e50a9ebb
c9e82f1ca30be88ed6ef697aa581a1c940858291 0x349ff2 r600_texture_create_object
/usr/lib64/dri/r600_dri.so 4f51004f888b1ba8194719f476c2fd4ff4aad900
c9e82f1ca30be88ed6ef697aa581a1c940858291 0x34a2c7 r600_texture_create
/usr/lib64/dri/r600_dri.so 5baaed899c5ecf15a1568310eff18dc385cdf50d
c9e82f1ca30be88ed6ef697aa581a1c940858291 0x35ca25 dri2_allocate_textures
/usr/lib64/dri/r600_dri.so 0a2fa38b05320f36fa5b90de563948aac101910e
c9e82f1ca30be88ed6ef697aa581a1c940858291 0x35b595 dri_st_framebuffer_validate
/usr/lib64/dri/r600_dri.so 45eccba94f5fef95c8933974ac014d83e50a9ebb
c9e82f1ca30be88ed6ef697aa581a1c940858291 0x35b7ce dri_set_tex_buffer2
/usr/lib64/dri/r600_dri.so 55f8abe768545f45025c61cca676f0352439722d
67f4899c1db4d10dd1558ccbb7b8fad4e81e3379 0x68702
_cogl_winsys_texture_pixmap_x11_update /lib64/libcogl.so.11
ac79bd8478de58b10ea1b2bbc9d920bfbe437214
67f4899c1db4d10dd1558ccbb7b8fad4e81e3379 0x66104
_cogl_texture_pixmap_x11_update /lib64/libcogl.so.11
96f709cfd3fe851395649feeda7d4dd459e3ca60
67f4899c1db4d10dd1558ccbb7b8fad4e81e3379 0x666ad
_cogl_texture_pixmap_x11_get_texture /lib64/libcogl.so.11
6179db327fe5f11fb226532cabb471745b820c8f
67f4899c1db4d10dd1558ccbb7b8fad4e81e3379 0x66709
_cogl_texture_pixmap_x11_get_type /lib64/libcogl.so.11
ad318b56f9bf3c97e02782cfada93e8f37221c59
67f4899c1db4d10dd1558ccbb7b8fad4e81e3379 0x437d9
cogl_pipeline_set_layer_texture /lib64/libcogl.so.11
ba1ae932f4a148b027fd73337e04d05fbae9862e
c043a38bda0d5dc29bb15a1e211273a4ec3dea5d 0x33eb2 set_texture_on_actor
/lib64/libmutter.so.0 47169c9a5b07212ae0061e199a81ca87080a2e4c
c043a38bda0d5dc29bb15a1e211273a4ec3dea5d 0x34008 set_texture
/lib64/libmutter.so.0 6647294c524f089a0c77389826b0a954c997c085
c043a38bda0d5dc29bb15a1e211273a4ec3dea5d 0x3491f meta_background_actor_update
/lib64/libmutter.so.0 184cb323b2f3eaf40fc3b375371bdf1393e6882a
c043a38bda0d5dc29bb15a1e211273a4ec3dea5d 0x3352a meta_compositor_process_event
/lib64/libmutter.so.0 5c8e84a4b7a1c62daf4be566f862cf325d9b1926
c043a38bda0d5dc29bb15a1e211273a4ec3dea5d 0x45367 event_callback
/lib64/libmutter.so.0 11cf28c10df323150560c808d8bf75e7ed72e0c8
c043a38bda0d5dc29bb15a1e211273a4ec3dea5d 0x8f476 filter_func
/lib64/libmutter.so.0 7bfd96ce0e83046b4b4da64b6d99cf1d3ce823d6
1c54a46d2f8de1beadccfa39550b5eef67ab6bc0 0x4a901 gdk_event_apply_filters
/lib64/libgdk-3.so.0 a28856cf0bdff41c2ad87be20d4186aeea868a26
1c54a46d2f8de1beadccfa39550b5eef67ab6bc0 0x4aad7 _gdk_x11_display_queue_events
/lib64/libgdk-3.so.0 50da1079f5dfea096a6ddfd4caca8af2b76726e4
1c54a46d2f8de1beadccfa39550b5eef67ab6bc0 0x20511 gdk_display_get_event
/lib64/libgdk-3.so.0 457cc16f8850789e7b3830330439fcf89b9a418b
1c54a46d2f8de1beadccfa39550b5eef67ab6bc0 0x4a812 gdk_event_source_dispatch
/lib64/libgdk-3.so.0 d2af43c4e5d993f84766ffa06ddb024ac500e725
9442c0d3ccde3c8dbc81f858e03246a133f086d6 0x47a55 g_main_context_dispatch
/lib64/libglib-2.0.so.0 d4b6d4f2836ef32bd9d5847446bdcc7c19cfa379
9442c0d3ccde3c8dbc81f858e03246a133f086d6 0x47d88 g_main_context_iterate.isra.24
/lib64/libglib-2.0.so.0 ba0d551b7f0614ded38071cba2b37e156703e7f2
9442c0d3ccde3c8dbc81f858e03246a133f086d6 0x48182 g_main_loop_run
/lib64/libglib-2.0.so.0 97ad0c44e2f6c8d6c6037025add5aa29f54a351c
c043a38bda0d5dc29bb15a1e211273a4ec3dea5d 0x53467 meta_run /lib64/libmutter.so.0
0e5cc7fe0eb8f1fbe596e745f6fb64c36c5455ed
b7584e5ed0db7d29ef55ff77ab8344f06b0c3f94 0x1e2c main /usr/bin/gnome-shell
bd96fec6192e77e3dbc72e49eae3be6a52f6ef62

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #23 from ogjerstad@gmail.com ---
I can confirm now that downgrading mesa-dri-drivers to 9.0.1-1 (as packaged by
Fedora) fixes the problem.

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #24 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #23)
> I can confirm now that downgrading mesa-dri-drivers to 9.0.1-1 (as packaged
> by Fedora) fixes the problem.

Can you bisect mesa?

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #25 from ogjerstad@gmail.com ---
Not without some instructions, I have never done that before.

And, I must admit, I also downgraded llvm-libs, mesa-dri-filesystem and
mesa-libxatracker. I think I had to because of dependences.

I guess I will have to build from source in that case?

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rankincj@googlemail.com

--- Comment #26 from Alex Deucher <agd5f@yahoo.com> ---
*** Bug 61822 has been marked as a duplicate of this bug. ***

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #27 from Knut Andre Tidemann <knut.tidemann@gmail.com> ---
I've bisected the issue to this commit:

35840ab189595b817fa8b1a1df8cc92474a7c38d st/dri: implement MSAA for GLX/DRI2
framebuffers

The only thing that was recompiled was mesa, with the following options:

    --with-dri-driverdir=/usr/lib/xorg/modules/dri
    --with-gallium-drivers=r600,swrast
    --with-dri-drivers=
    --with-egl-platforms=drm,x11
    --enable-gallium-egl --enable-shared-glapi
    --enable-gallium-llvm
    --enable-glx-tls
    --enable-gles1
    --enable-gles2
    --enable-egl
    --enable-dri
    --enable-glx
    --enable-xa
    --enable-osmesa
    --enable-gbm
    --enable-texture-float

The issue was triggered by restarting kwin (kwin --replace) between each
compile and locking and unlocking the screen.

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #28 from Stan <xeno@bmp.net.pl> ---
Here happens similar thing. KWin with desktop effects enabled crashes on login
to KDE and after resume from suspend with 100% reproductibility.

My config Fedora 18. 
 - kernel-PAE-3.8.5-201.fc18.i686
 - libdrm-2.4.42-1.fc18.i686
 - xorg-x11-server-Xorg-1.13.3-2.fc18.i686
 - mesa-dri-drivers-9.1-3.fc18.i686
 - kde 4.10.2-1

Backtrace:
Application: KWin (kwin), signal: Bus error
Using host libthread_db library "/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0xb769c780 (LWP 18403))]

Thread 2 (Thread 0xb1644b40 (LWP 18417)):
#0  0xb7784424 in __kernel_vsyscall ()
#1  0x4145e18c in pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S:171
#2  0xb2d5c20c in pipe_semaphore_wait (sema=0xb4190b50) at
../../../../../src/gallium/auxiliary/os/os_thread.h:433
#3  radeon_drm_cs_emit_ioctl (param=0xb4170008) at radeon_drm_cs.c:416
#4  0x4145aaff in start_thread (arg=0xb1644b40) at pthread_create.c:308
#5  0x4138a0be in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:132

Thread 1 (Thread 0xb769c780 (LWP 18403)):
[KCrash Handler]
#7  __memset_sse2 () at ../sysdeps/i386/i686/multiarch/memset-sse2.S:331
#8  0xb2d2f186 in r600_texture_create_object (screen=screen@entry=0x9342718,
base=base@entry=0xbfc4b1e4,
pitch_in_bytes_override=pitch_in_bytes_override@entry=0, buf=buf@entry=0x0,
alloc_bo=alloc_bo@entry=1 '\001', surface=surface@entry=0xbfc4a4d8) at
r600_texture.c:460
#9  0xb2d2f49c in r600_texture_create (screen=screen@entry=0x9342718,
templ=templ@entry=0xbfc4b1e4) at r600_texture.c:550
#10 0xb2d28564 in r600_resource_create (screen=0x9342718, templ=0xbfc4b1e4) at
r600_resource.c:37
#11 0xb2d5650f in dri2_drawable_process_buffers (att_count=1, atts=0xbfc4b2a4,
buffer_count=1, buffers=0x94cccbc, drawable=<optimized out>) at dri2.c:254
#12 dri2_allocate_textures (drawable=0x94dad88, statts=0xbfc4b2a4,
statts_count=1) at dri2.c:404
#13 0xb2d5788c in dri_st_framebuffer_validate (stfbi=0x94dad88,
statts=0xbfc4b2a4, count=1, out=0x0) at dri_drawable.c:81
#14 0xb2d57ab7 in dri_drawable_validate_att (statt=ST_ATTACHMENT_FRONT_LEFT,
drawable=0x94dad88) at dri_drawable.c:206
#15 dri_set_tex_buffer2 (pDRICtx=0x9310270, target=3553, format=8409,
dPriv=0x948c7a0) at dri_drawable.c:220
#16 0xb771b770 in dri2_bind_tex_image (dpy=0x91897e8, drawable=29360181,
buffer=8414, attrib_list=0x0) at dri2_glx.c:1004
#17 0xb76efa93 in __glXBindTexImageEXT (dpy=0x91897e8,
drawable=drawable@entry=29360181, buffer=buffer@entry=8414,
attrib_list=attrib_list@entry=0x0) at glxcmds.c:2370
#18 0x447d5a8c in loadTexture (depth=24, size=..., pix=@0xbfc4b40c: 29360179,
this=0x9494f08) at /usr/src/debug/kde-workspace-4.10.2/kwin/glxbackend.cpp:716
#19 KWin::GlxTexture::loadTexture (this=0x9494f08, pix=@0xbfc4b40c: 29360179,
size=..., depth=24) at
/usr/src/debug/kde-workspace-4.10.2/kwin/glxbackend.cpp:658
#20 0x447ca65a in KWin::SceneOpenGL::Texture::load (this=0x92df3a8,
pix=@0xbfc4b40c: 29360179, size=..., depth=24, region=...) at
/usr/src/debug/kde-workspace-4.10.2/kwin/scene_opengl.cpp:764
#21 0x447ccaf7 in KWin::SceneOpenGL::Window::bindTexture (this=0x94ccbd0) at
/usr/src/debug/kde-workspace-4.10.2/kwin/scene_opengl.cpp:822
#22 0x447d385c in KWin::SceneOpenGL::Window::performPaint (this=0x94ccbd0,
mask=1, region=..., data=...) at
/usr/src/debug/kde-workspace-4.10.2/kwin/scene_opengl.cpp:931
#23 0x447cbc9d in KWin::SceneOpenGL2::performPaintWindow
(this=this@entry=0x93b0348, w=w@entry=0x94dbdc8, mask=mask@entry=1, region=...,
data=...) at /usr/src/debug/kde-workspace-4.10.2/kwin/scene_opengl.cpp:566
#24 0x447cbe57 in KWin::SceneOpenGL2::finalDrawWindow (this=0x93b0348,
w=w@entry=0x94dbdc8, mask=mask@entry=1, region=..., data=...) at
/usr/src/debug/kde-workspace-4.10.2/kwin/scene_opengl.cpp:551
#25 0x447e3018 in KWin::EffectsHandlerImpl::drawWindow (this=0x94d9ff0,
w=w@entry=0x94dbdc8, mask=mask@entry=1, region=..., data=...) at
/usr/src/debug/kde-workspace-4.10.2/kwin/effects.cpp:318
#26 0x447bd1e3 in KWin::Scene::finalPaintWindow (this=0x93b0348, w=0x94dbdc8,
mask=1, region=..., data=...) at
/usr/src/debug/kde-workspace-4.10.2/kwin/scene.cpp:449
#27 0x447e3443 in KWin::EffectsHandlerImpl::paintWindow (this=0x94d9ff0,
w=0x94dbdc8, mask=mask@entry=1, region=..., data=...) at
/usr/src/debug/kde-workspace-4.10.2/kwin/effects.cpp:281
#28 0x447c0398 in KWin::Scene::paintWindow (this=this@entry=0x93b0348,
w=0x94ccbd0, mask=1, region=..., quads=...) at
/usr/src/debug/kde-workspace-4.10.2/kwin/scene.cpp:356
#29 0x447bf571 in KWin::Scene::paintSimpleScreen (this=this@entry=0x93b0348,
orig_mask=orig_mask@entry=0, region=...) at
/usr/src/debug/kde-workspace-4.10.2/kwin/scene.cpp:342
#30 0x447bd114 in KWin::Scene::finalPaintScreen (this=0x93b0348, mask=0,
region=..., data=...) at /usr/src/debug/kde-workspace-4.10.2/kwin/scene.cpp:186
#31 0x447e3163 in KWin::EffectsHandlerImpl::paintScreen (this=0x94d9ff0,
mask=0, region=..., data=...) at
/usr/src/debug/kde-workspace-4.10.2/kwin/effects.cpp:254
#32 0x447be77f in KWin::Scene::paintScreen (this=0x93b0348, mask=0xbfc4bc0c,
region=0xbfc4bc7c) at /usr/src/debug/kde-workspace-4.10.2/kwin/scene.cpp:140
#33 0x447cfe6b in KWin::SceneOpenGL::paint (this=0x93b0348, damage=...,
toplevels=...) at /usr/src/debug/kde-workspace-4.10.2/kwin/scene_opengl.cpp:308
#34 0x447b7a68 in KWin::Compositor::performCompositing
(this=this@entry=0x92e0d20) at
/usr/src/debug/kde-workspace-4.10.2/kwin/composite.cpp:610
#35 0x447b85f3 in KWin::Compositor::slotCompositingOptionsInitialized
(this=0x92e0d20) at /usr/src/debug/kde-workspace-4.10.2/kwin/composite.cpp:275
#36 0x447334d8 in qt_static_metacall (_c=QMetaObject::InvokeMetaMethod,
_a=0xbfc4befc, _id=14, _o=0x92e0d20) at
/usr/src/debug/kde-workspace-4.10.2/i686-redhat-linux-gnu/kwin/moc_composite.cpp:112
#37 KWin::Compositor::qt_static_metacall (_o=0x92e0d20,
_c=QMetaObject::InvokeMetaMethod, _id=14, _a=0xbfc4befc) at
/usr/src/debug/kde-workspace-4.10.2/i686-redhat-linux-gnu/kwin/moc_composite.cpp:92
#38 0x4222328e in QMetaObject::activate (sender=0x9294a10, m=0x42376d60
<QFutureWatcherBase::staticMetaObject>, local_signal_index=1, argv=0x0) at
kernel/qobject.cpp:3539
#39 0x422728e6 in QFutureWatcherBase::finished (this=0x9294a10) at
.moc/release-shared/moc_qfuturewatcher.cpp:140
#40 0x420e56ec in QFutureWatcherBasePrivate::sendCallOutEvent
(this=this@entry=0x9304420, event=event@entry=0xb4000468) at
concurrent/qfuturewatcher.cpp:439
#41 0x420e59f2 in QFutureWatcherBase::event (this=0x9294a10, event=0xb4000468)
at concurrent/qfuturewatcher.cpp:344
#42 0x4273306c in QApplicationPrivate::notify_helper (this=0x9178238,
receiver=0x9294a10, e=0xb4000468) at kernel/qapplication.cpp:4562
#43 0x42737b2f in QApplication::notify (this=0xb4000468, receiver=0x9294a10,
e=0xb4000468) at kernel/qapplication.cpp:3944
#44 0x4760e5c2 in KApplication::notify (this=0xbfc4c778, receiver=0x9294a10,
event=0xb4000468) at
/usr/src/debug/kdelibs-4.10.2/kdeui/kernel/kapplication.cpp:311
#45 0x447603e0 in notify (e=0xb4000468, o=0x9294a10, this=0xbfc4c778) at
/usr/src/debug/kde-workspace-4.10.2/kwin/main.cpp:371
#46 KWin::Application::notify (this=0xbfc4c778, o=0x9294a10, e=0xb4000468) at
/usr/src/debug/kde-workspace-4.10.2/kwin/main.cpp:367
#47 0x4220c0be in QCoreApplication::notifyInternal (this=0xbfc4c778,
receiver=0x9294a10, event=0xb4000468) at kernel/qcoreapplication.cpp:946
#48 0x42210065 in sendEvent (event=<optimized out>, receiver=<optimized out>)
at kernel/qcoreapplication.h:231
#49 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0,
data=0x9120e58) at kernel/qcoreapplication.cpp:1570
#50 0x422102ed in QCoreApplication::sendPostedEvents (receiver=0x0,
event_type=0) at kernel/qcoreapplication.cpp:1463
#51 0x427e65ae in sendPostedEvents () at
../../src/corelib/kernel/qcoreapplication.h:236
#52 QEventDispatcherX11::processEvents (this=0x9121c08, flags=...) at
kernel/qeventdispatcher_x11.cpp:75
#53 0x4220ab5d in QEventLoop::processEvents (this=this@entry=0xbfc4c5f8,
flags=...) at kernel/qeventloop.cpp:149
#54 0x4220ae59 in QEventLoop::exec (this=0xbfc4c5f8, flags=...) at
kernel/qeventloop.cpp:204
#55 0x4221039b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#56 0x42730ee5 in QApplication::exec () at kernel/qapplication.cpp:3823
#57 0x44762e95 in kdemain (argc=1, argv=0xbfc4c864) at
/usr/src/debug/kde-workspace-4.10.2/kwin/main.cpp:537
#58 0x080487dc in main (argc=1, argv=0xbfc4c864) at
/usr/src/debug/kde-workspace-4.10.2/i686-redhat-linux-gnu/kwin/kwin_dummy.cpp:3


Bisect pointed to the same commit as above:
35840ab189595b817fa8b1a1df8cc92474a7c38d is the first bad commit
commit 35840ab189595b817fa8b1a1df8cc92474a7c38d
Author: Marek Olšák <maraeo@gmail.com>
Date:   Mon Dec 3 05:36:08 2012 +0100

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #29 from Marek Olšák <maraeo@gmail.com> ---
r600g crashes because it's mapping a MSAA resource in order to clear the CMASK
to zeros. The problem is MSAA resources occupy a lot of memory and the system
is failing to map the whole resource.

The solution is easy: we should clear the CMASK and HTILE buffers using DMA or
streamout and not with the CPU.

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #30 from Jerome Glisse <glisse@freedesktop.org> ---
Well this is also a kwin bug, kwin should not pick MSAA visual. I fixed cogl so
that it does not pick msaa visual for gnome-shell.

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #31 from Maxim Yegorushkin <maxim.yegorushkin@gmail.com> ---
I observe the same issue on Fedora 18 with Radeon HD 5670:

[KCrash Handler]
#6  __memset_sse2 () at ../sysdeps/x86_64/memset.S:873
#7  0x00007f59a39eaff2 in memset (__len=<optimized out>, __ch=204,
__dest=<optimized out>) at /usr/include/bits/string3.h:84
#8  r600_texture_create_object (screen=screen@entry=0x1f317a0,
base=base@entry=0x7fff57798810,
pitch_in_bytes_override=pitch_in_bytes_override@entry=0, buf=buf@entry=0x0,
surface=surface@entry=0x7fff57797b10) at r600_texture.c:509
#9  0x00007f59a39eb2c7 in r600_texture_create (screen=0x1f317a0,
templ=0x7fff57798810) at r600_texture.c:601
#10 0x00007f59a39fda25 in dri2_drawable_process_buffers (att_count=1,
atts=0x7fff577988f0, buffer_count=1, buffers=0x1e9fe80, drawable=0x1e9ff20) at
dri2.c:254
#11 dri2_allocate_textures (drawable=0x1e9ff20, statts=0x7fff577988f0,
statts_count=1) at dri2.c:404
#12 0x00007f59a39fc595 in dri_st_framebuffer_validate (stfbi=<optimized out>,
statts=0x7fff577988f0, count=1, out=0x0) at dri_drawable.c:81
#13 0x00007f59a39fc7ce in dri_drawable_validate_att
(statt=ST_ATTACHMENT_FRONT_LEFT, drawable=0x1e9ff20) at dri_drawable.c:206
#14 dri_set_tex_buffer2 (pDRICtx=<optimized out>, target=3553, format=8409,
dPriv=<optimized out>) at dri_drawable.c:220
#15 0x000000304bacb3c3 in loadTexture (depth=24, size=..., pix=<optimized out>,
this=0x1ea0b70) at /usr/src/debug/kde-workspace-4.10.1/kwin/glxbackend.cpp:716
#16 KWin::GlxTexture::loadTexture (this=0x1ea0b70, pix=<optimized out>,
size=..., depth=24) at
/usr/src/debug/kde-workspace-4.10.1/kwin/glxbackend.cpp:658
#17 0x000000304bac30d5 in KWin::SceneOpenGL::Window::bindTexture
(this=0x2184e10) at
/usr/src/debug/kde-workspace-4.10.1/kwin/scene_opengl.cpp:822
#18 0x000000304bac9a8e in KWin::SceneOpenGL::Window::performPaint
(this=this@entry=0x2184e10, mask=mask@entry=1, region=..., data=...) at
/usr/src/debug/kde-workspace-4.10.1/kwin/scene_opengl.cpp:931
#19 0x000000304bac249f in KWin::SceneOpenGL2::performPaintWindow
(this=this@entry=0x1fc3af0, w=w@entry=0x1ef75c0, mask=mask@entry=1, region=...,
data=...) at /usr/src/debug/kde-workspace-4.10.1/kwin/scene_opengl.cpp:566
#20 0x000000304bac263d in KWin::SceneOpenGL2::finalDrawWindow (this=0x1fc3af0,
w=w@entry=0x1ef75c0, mask=mask@entry=1, region=..., data=...) at
/usr/src/debug/kde-workspace-4.10.1/kwin/scene_opengl.cpp:551
#21 0x000000304bad63a5 in KWin::EffectsHandlerImpl::drawWindow (this=0x2170db0,
w=w@entry=0x1ef75c0, mask=mask@entry=1, region=..., data=...) at
/usr/src/debug/kde-workspace-4.10.1/kwin/effects.cpp:318
#22 0x000000304bab585a in KWin::Scene::finalPaintWindow (this=<optimized out>,
w=0x1ef75c0, mask=1, region=..., data=...) at
/usr/src/debug/kde-workspace-4.10.1/kwin/scene.cpp:449
#23 0x000000304bad6627 in KWin::EffectsHandlerImpl::paintWindow
(this=0x2170db0, w=0x1ef75c0, mask=mask@entry=1, region=..., data=...) at
/usr/src/debug/kde-workspace-4.10.1/kwin/effects.cpp:281
#24 0x000000304bab841d in KWin::Scene::paintWindow (this=<optimized out>,
w=0x2184e10, mask=1, region=..., quads=...) at
/usr/src/debug/kde-workspace-4.10.1/kwin/scene.cpp:356
#25 0x000000304bab774f in KWin::Scene::paintSimpleScreen
(this=this@entry=0x1fc3af0, orig_mask=orig_mask@entry=0, region=...) at
/usr/src/debug/kde-workspace-4.10.1/kwin/scene.cpp:342
#26 0x000000304bab579e in KWin::Scene::finalPaintScreen (this=0x1fc3af0,
mask=0, region=..., data=...) at
/usr/src/debug/kde-workspace-4.10.1/kwin/scene.cpp:186
#27 0x000000304bad67f0 in KWin::EffectsHandlerImpl::paintScreen
(this=0x2170db0, mask=0, region=..., data=...) at
/usr/src/debug/kde-workspace-4.10.1/kwin/effects.cpp:254
#28 0x000000304bab6b38 in KWin::Scene::paintScreen (this=0x1fc3af0,
mask=0x7fff57799444, region=0x7fff577994f0) at
/usr/src/debug/kde-workspace-4.10.1/kwin/scene.cpp:140
#29 0x000000304bac5f9e in KWin::SceneOpenGL::paint (this=0x1fc3af0, damage=...,
toplevels=...) at /usr/src/debug/kde-workspace-4.10.1/kwin/scene_opengl.cpp:308
#30 0x000000304bab0f5c in KWin::Compositor::performCompositing
(this=this@entry=0x1e65b30) at
/usr/src/debug/kde-workspace-4.10.1/kwin/composite.cpp:610
#31 0x000000304bab1a10 in KWin::Compositor::slotCompositingOptionsInitialized
(this=0x1e65b30) at /usr/src/debug/kde-workspace-4.10.1/kwin/composite.cpp:275
#32 0x000000399df8ceef in QMetaObject::activate (sender=0x1edf240, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3539
#33 0x000000399de6c5d7 in QFutureWatcherBase::event (this=<optimized out>,
event=0x7f59a4001770) at concurrent/qfuturewatcher.cpp:344
#34 0x00000030439ca5cc in QApplicationPrivate::notify_helper
(this=this@entry=0x1d38570, receiver=receiver@entry=0x1edf240,
e=e@entry=0x7f59a4001770) at kernel/qapplication.cpp:4562
#35 0x00000030439cea4a in QApplication::notify (this=0x7fff5779a3f0,
receiver=0x1edf240, e=0x7f59a4001770) at kernel/qapplication.cpp:4423
#36 0x00000030448473c6 in KApplication::notify (this=0x7fff5779a3f0,
receiver=0x1edf240, event=0x7f59a4001770) at
/usr/src/debug/kdelibs-4.10.1/kdeui/kernel/kapplication.cpp:311
#37 0x000000399df77abe in QCoreApplication::notifyInternal
(this=0x7fff5779a3f0, receiver=receiver@entry=0x1edf240,
event=event@entry=0x7f59a4001770) at kernel/qcoreapplication.cpp:946
#38 0x000000399df7b571 in sendEvent (event=0x7f59a4001770, receiver=0x1edf240)
at kernel/qcoreapplication.h:231
#39 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0,
data=0x1ce1360) at kernel/qcoreapplication.cpp:1570
#40 0x0000003043a6b3bc in sendPostedEvents () at
../../src/corelib/kernel/qcoreapplication.h:236
#41 QEventDispatcherX11::processEvents (this=0x1ce2cc0, flags=...) at
kernel/qeventdispatcher_x11.cpp:75
#42 0x000000399df7680f in QEventLoop::processEvents
(this=this@entry=0x7fff5779a100, flags=...) at kernel/qeventloop.cpp:149
#43 0x000000399df76a98 in QEventLoop::exec (this=0x7fff5779a100, flags=...) at
kernel/qeventloop.cpp:204
#44 0x000000399df7b888 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1218
#45 0x000000304ba67d6a in kdemain (argc=1, argv=0x7fff5779a538) at
/usr/src/debug/kde-workspace-4.10.1/kwin/main.cpp:537
#46 0x0000003994c21a05 in __libc_start_main (main=0x400960 <main(int, char**)>,
argc=1, ubp_av=0x7fff5779a538, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff5779a528) at libc-start.c:225
#47 0x0000000000400991 in _start ()

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #32 from D. Hugh Redelmeier <hugh@mimosa.com> ---
Thanks, Knut, for bisecting in #27.  Thanks, Stan, for confirming bisection in
#28.

So the bad changeset is
http://cgit.freedesktop.org/mesa/mesa/commit/?id=35840ab189595b817fa8b1a1df8cc92474a7c38d

I read that code (out of context: I'm not familiar with Xorg code).  It kind of
looked as if things with obvious allocation potential were followed by asserts
to check that the allocation worked.  So why are we observing SIGBUS rather
than assertion errors?  If allocation failure is possible, even assertion
failure seems harsh (but at least more diagnostic).

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #33 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #32)
> Thanks, Knut, for bisecting in #27.  Thanks, Stan, for confirming bisection
> in #28.
> 
> So the bad changeset is
> http://cgit.freedesktop.org/mesa/mesa/commit/
> ?id=35840ab189595b817fa8b1a1df8cc92474a7c38d
> 
> I read that code (out of context: I'm not familiar with Xorg code).  It kind
> of looked as if things with obvious allocation potential were followed by
> asserts to check that the allocation worked.  So why are we observing SIGBUS
> rather than assertion errors?  If allocation failure is possible, even
> assertion failure seems harsh (but at least more diagnostic).

As per comment 29, the MSAA surface is too big to be mapped by the CPU (the
CPU's window into VRAM is only 256 MB).  The allocation is successful, but the
CPU is not able to map the buffer due to the limited window.  You get a sigbus
because the mapping fails and the CPU tries to access an address beyond the PCI
aperture where vram is mapped.  The solution is to either disable MSAA or as
per comment 29, use the GPU to initialize the CMASK/HTILE buffers rather than
using the CPU.

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #34 from D. Hugh Redelmeier <hugh@mimosa.com> ---
Thanks, Alex, for the clear restatement.

Naively, I think of two C/UNIX conventions. For allocations that can either
succeed or fail, typically the result is a pointer which is NULL for failure --
eg. malloc(3)).  For allocations that can partially succeed, the result is the
amount successfully processed (think write(2) which returns the length actually
transferred).

It seems to me that for allocating address space in the VRAM window
(aperture?), success can partial, and anything that deals with that window
needs to be aware that accessing some object may require piecewise operations,
punctuated by adjustment of the mapping.

In other words, this case doesn't sound pathological; it should be handled as a
normal case.

I'm not saying that comment #29 is wrong.  I'm saying that the existing code
ought to have been written to handle this case.  Clearly one solution is to
replace the code as suggested.  But fixing the code ought to be feasible too. 
Are there other lurking bugs where code assumes addressability?

I reiterate: I'm not knowledgeable about modern video architectures or about X
server architectures.

Footnote: Why do I think that VRAM windows cannot always map the whole VRAM? 
Because video cards now routinely have gigabytes of VRAM and 32-bit address
spaces for x86 machines cannot spare enough to allocate for that much VRAM
(ignoring PAE).

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #35 from D. Hugh Redelmeier <hugh@mimosa.com> ---
I finally am trying to set the GART size, as per Alex's comment #12.

Without setting it, Xorg0.log reports:
[    15.054] (II) RADEON(0): mem size init: gart size :1fdef000 vram size:
s:20000000 visible:1f020000

The default GART size is 512MiB, You'd think that would be a good match for the
512MiB video RAM on my card.  This output shows that the GART size is reduced
by a somewhat odd number (13^2 * 2^12).

When I set radeon.gartsize=1024 on the kernel line, Xorg.0.log reports:
 [    14.842] (II) RADEON(0): mem size init: gart size :3fdef000 vram size:
s:20000000 visible:1f020000

Again, the GART size is reduced by the same amount.


Wait: according to http://dri.freedesktop.org/wiki/GART/ the GART seems to
enable the video card to access the computer's memory, not the other way
around.  So I don't see how this is relevant: we're getting a crash in a CPU
instruction that is trying to access the video card's memory.

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #36 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #34)
> I'm not saying that comment #29 is wrong.  I'm saying that the existing code
> ought to have been written to handle this case.  Clearly one solution is to
> replace the code as suggested.  But fixing the code ought to be feasible
> too.  Are there other lurking bugs where code assumes addressability?
> 

It's a bug that needs to be fixed.

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #37 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #35)
> 
> Wait: according to http://dri.freedesktop.org/wiki/GART/ the GART seems to
> enable the video card to access the computer's memory, not the other way
> around.  So I don't see how this is relevant: we're getting a crash in a CPU
> instruction that is trying to access the video card's memory.

GART and VRAM are separate.  As I said in comment 12, I though there may have
been two issues at play at first, but upon further debugging, it appears to
just be the vram window.

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--- Comment #38 from Niels Ole Salscheider <niels_ole@salscheider-online.de> ---
Created attachment 78307
  --> https://bugs.freedesktop.org/attachment.cgi?id=78307&action=edit
dma_fill function

I considered to implement Marek's proposal by adding a dma_fill function that
works analogously to dma_copy.
I need the context to call this function, though, and I do not know how to get
it in r600_texture_create_object (nor if I should be able to get it at all).

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #39 from Marek Olšák <maraeo@gmail.com> ---
BTW today I have implemented buffer clearing using streamout. I'll send my
patches to mesa-dev later today. We can use DMA later for selected chipsets. (I
assume there'll be some quirks with DMA)

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #40 from D. Hugh Redelmeier <hugh@mimosa.com> ---
Thanks, Neils, for the patch in comment #38.

Warning: the following comments are made with no understanding of X code.

"writting" should be "writing"

What is 0x000fffff?  I would find the code clearer if this constant were given
a name (RADEON_MAX_DMA?).

Why code
  nfill = (size / 0x000fffff) + !!(size % 0x000fffff);
instead of the generally more efficient
  nfill = (size+ 0x000fffff - 1) / 0x000fffff;
My guess: to avoid overflow.  But if that is the case, then nfill should be
uint64_t (like size), not just unsigned (which might be only 32 bits).  Any
case where the second statement might have an overflow problem would also be a
problem with nfill being only unsigned 32.

If you know size is not 0, this is even better:
  nfill = ((size - 1) / 0x000fffff) + 1;
If size can be 0, it is probably worth an early-out test to avoid bothering the
GPU anyway:
  if (size == 0) return 0;

I find code is easier to read if the scope of a variable is minimized.  So I'd
make the assignment to fsize also its declaration.

Have you created a patch to get these functions called in place of the
currently broken code?

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #41 from Niels Ole Salscheider <niels_ole@salscheider-online.de> ---
As I said before, the dma_fill function is based on dma_copy and I tried to
keep the diff small. But you are right, this could be improved.

> Have you created a patch to get these functions called in place of the
> currently broken code?

I did but I was missing the context that is needed to call the dma_fill
function.
You can try Marek's patches on the mailing list, they work well for me.

You can try to replace the call to util_blitter_clear_buffer with the dma_fill
version if you are interested in it. But I don't think that you will see any
noticeable difference (given the assumtion that the dma version works).

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #42 from Jerome Glisse <glisse@freedesktop.org> ---
As i said in comment 30 it's also a bug of kwin, kwin should not use msaa
visual for everything ...

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #43 from Fredrik Höglund <fredrik@kde.org> ---
(In reply to comment #42)
> As i said in comment 30 it's also a bug of kwin, kwin should not use msaa
> visual for everything ...

I've pushed a patch to the stable branch in KDE that should fix this issue.

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #44 from D. Hugh Redelmeier <hugh@mimosa.com> ---
Jerome Glisse in comment #30:
"Well this is also a kwin bug, kwin should not pick MSAA visual. I fixed cogl
so that it does not pick msaa visual for gnome-shell."

Thanks!

I am (even today) experiencing gnome-shell crashes like this on an up-to-date
fedora 18 (cogl-1.12.2-1.fc18.x86_64).  See my comment #18.  Also in Cinnamon
(untested since that report).

What version of cogl should I look for?  I can add something about this to the
Fedora bug report.

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--- Comment #45 from Emil Velikov <emil.l.velikov@gmail.com> ---
(In reply to comment #44)
> What version of cogl should I look for?  I can add something about this to
> the Fedora bug report.

commit: 93b7b4c850dd928bf21ee168a95641a8d631f713
Author: Jerome Glisse <jglisse@redhat.com>

    glx do not use multisample visual config for front or pixmap

    There is no guaranty that glXGetFBConfigs will return fbconfig ordered
    with non msaa config first. This patch make sure that non msaa config
    get choose.

Present only in the master branch. Mind you I'm not a dev, but I've sent a
request[1] to pull it the 1.12, 1.14 branches. Hope they will pick it up soon

Emil

[1] http://lists.freedesktop.org/archives/cogl/2013-April/001090.html

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #46 from boris64 <bugs.xorg@boris64.net> ---
(In reply to comment #43)
> (In reply to comment #42)
> > As i said in comment 30 it's also a bug of kwin, kwin should not use msaa
> > visual for everything ...
> 
> I've pushed a patch to the stable branch in KDE that should fix this issue.

Could you post a link to that patch?
Thank you.

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[Bug 61182] r600g causes KWin crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #47 from Fredrik Höglund <fredrik@kde.org> ---
(In reply to comment #46)
> (In reply to comment #43)
> > I've pushed a patch to the stable branch in KDE that should fix this issue.
> 
> Could you post a link to that patch?

http://quickgit.kde.org/?p=kde-workspace.git&a=commit&h=a021eacf

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[Bug 61182] r600g causes KWin, Gnome Shell and Unity crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

Marco Trevisan (Treviño) <mail@3v1n0.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|r600g causes KWin crashes   |r600g causes KWin, Gnome
                   |with kernel 3.8             |Shell and Unity crashes
                   |                            |with kernel 3.8

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--- Comment #48 from Marco Trevisan (Treviño) <mail@3v1n0.net> ---
Noticed the same issue in unity (compiz, actually) as soon as the opengl plugin
is loaded.

It seems to happen mostly in multi-monitor: http://paste.ubuntu.com/5661055/

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--- Comment #49 from Alex Deucher <agd5f@yahoo.com> ---
Should be fixed in mesa master and 9.1 branch with the following commit:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=b69207642079fe8ba33c594750415e8d9c66a06f

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Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

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[Bug 61182] r600g causes KWin, Gnome Shell and Unity crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #50 from Marco Trevisan (Treviño) <mail@3v1n0.net> ---
(In reply to comment #48)
> Noticed the same issue in unity (compiz, actually) as soon as the opengl
> plugin is loaded.
> 
> It seems to happen mostly in multi-monitor: http://paste.ubuntu.com/5661055/

FYI, Compiz fix is in
https://code.launchpad.net/~3v1n0/compiz/msaa-configs-ignore/+merge/163550 and
tracked by bug https://bugs.launchpad.net/compiz/+bug/1174495

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[Bug 61182] r600g causes KWin, Gnome Shell and Unity crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #51 from Nikoli <nikoli@lavabit.com> ---
This bug is not fixed, still happens with kwin-4.10.4 and mesa-9.1.4
https://bugs.kde.org/show_bug.cgi?id=322773
https://bugs.gentoo.org/show_bug.cgi?id=476606

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[Bug 61182] r600g causes KWin, Gnome Shell and Unity crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #52 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #51)
> This bug is not fixed, still happens with kwin-4.10.4 and mesa-9.1.4
> https://bugs.kde.org/show_bug.cgi?id=322773
> https://bugs.gentoo.org/show_bug.cgi?id=476606

I think you are hitting a different issue.  Please open a new bug.

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[Bug 61182] r600g causes KWin, Gnome Shell and Unity crashes with kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #53 from Nikoli <nikoli@lavabit.com> ---
Done, bug #67265

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