[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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https://bugs.freedesktop.org/show_bug.cgi?id=53111

Alexandre Demers  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |FIXED

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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--- Comment #28 from Alexandre Demers  ---
I'm closing this bug, the original triggering application is not doing it
anymore. Also many things changed since then. I'll reopen it if for any reason
I can still point to this exact problem, but I think it was more like an
umbrella bug: many others were hidden under it.

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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--- Comment #28 from Alexandre Demers alexandre.f.dem...@gmail.com ---
I'm closing this bug, the original triggering application is not doing it
anymore. Also many things changed since then. I'll reopen it if for any reason
I can still point to this exact problem, but I think it was more like an
umbrella bug: many others were hidden under it.

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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https://bugs.freedesktop.org/show_bug.cgi?id=53111

Alexandre Demers alexandre.f.dem...@gmail.com changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |FIXED

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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https://bugs.freedesktop.org/show_bug.cgi?id=53111

--- Comment #27 from Alexandre Demers  ---
(In reply to comment #21)
> (In reply to comment #20)
> > (In reply to comment #19)
> > > So about this locking piglit test (depthstencil-render-miplevels 146
> > > s=z24_s8_d=z32f_s8), I've been able to track it down to:
> > > line 218: piglit_report_result(PIGLIT_SKIP);
> > 
> > How did you determine that? It's weird, I wouldn't expect a skipped test to
> > produce any actual GPU rendering.
> 
> I used gdb and step into the code until it locked. It gets out at level 0,
> after going through:
> 
>  /**
>  * Attach the proper miplevel of each texture to the framebuffer
>  */
> void
> set_up_framebuffer_for_miplevel(int level)...
> 
> Before this call, there is a framebuffer initialization:
>   GLuint fbo;
>   glGenFramebuffers(1, );
>   glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo);
>   glBindFramebuffer(GL_READ_FRAMEBUFFER, fbo);
> 
>   for (int level = 0; level <= max_miplevel; ++level) {
>   set_up_framebuffer_for_miplevel(level);

It seems that with latest mesa, drm, xf86 and kernel 3.7.0-rc7-71633-g3b6b59b
from drm-next, it doesn't fail on this test anymore. It does lock however on a
different one. I'll debug it and see where it locks.

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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--- Comment #27 from Alexandre Demers alexandre.f.dem...@gmail.com ---
(In reply to comment #21)
 (In reply to comment #20)
  (In reply to comment #19)
   So about this locking piglit test (depthstencil-render-miplevels 146
   s=z24_s8_d=z32f_s8), I've been able to track it down to:
   line 218: piglit_report_result(PIGLIT_SKIP);
  
  How did you determine that? It's weird, I wouldn't expect a skipped test to
  produce any actual GPU rendering.
 
 I used gdb and step into the code until it locked. It gets out at level 0,
 after going through:
 
  /**
  * Attach the proper miplevel of each texture to the framebuffer
  */
 void
 set_up_framebuffer_for_miplevel(int level)...
 
 Before this call, there is a framebuffer initialization:
   GLuint fbo;
   glGenFramebuffers(1, fbo);
   glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo);
   glBindFramebuffer(GL_READ_FRAMEBUFFER, fbo);
 
   for (int level = 0; level = max_miplevel; ++level) {
   set_up_framebuffer_for_miplevel(level);

It seems that with latest mesa, drm, xf86 and kernel 3.7.0-rc7-71633-g3b6b59b
from drm-next, it doesn't fail on this test anymore. It does lock however on a
different one. I'll debug it and see where it locks.

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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https://bugs.freedesktop.org/show_bug.cgi?id=53111

--- Comment #26 from Anthony Waters  ---
As I mentiond in bug 55416 I received a new lockup due to VA being enabled,
however, the lockups only started occuring after commit
c8b06dccff9cb89e20378664f3cbc202876a180f.  Disabling VA also prevents the
lockups, so it may be similar to what was mentioned in comment 25.  I will
check if that piglit test still locks up for me.

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--- Comment #26 from Anthony Waters awate...@gmail.com ---
As I mentiond in bug 55416 I received a new lockup due to VA being enabled,
however, the lockups only started occuring after commit
c8b06dccff9cb89e20378664f3cbc202876a180f.  Disabling VA also prevents the
lockups, so it may be similar to what was mentioned in comment 25.  I will
check if that piglit test still locks up for me.

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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https://bugs.freedesktop.org/show_bug.cgi?id=53111

--- Comment #25 from Alexandre Demers  
2012-09-06 17:19:09 UTC ---
I'll have to confirm it later today by disabling VM, but I'm pretty sure I
experienced a lock (can be reproduced every time) related to VM when testing
with Unigine Tropics. It loaded, the demo began and then it locked when the
island appeared at the horizon (I guess that's what it is since it was the
first time I was running this demo).

>From the retrieved logs, I could only identify a GPU lock with a reset that
failed to reset rings properly.

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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--- Comment #25 from Alexandre Demers alexandre.f.dem...@gmail.com 2012-09-06 
17:19:09 UTC ---
I'll have to confirm it later today by disabling VM, but I'm pretty sure I
experienced a lock (can be reproduced every time) related to VM when testing
with Unigine Tropics. It loaded, the demo began and then it locked when the
island appeared at the horizon (I guess that's what it is since it was the
first time I was running this demo).

From the retrieved logs, I could only identify a GPU lock with a reset that
failed to reset rings properly.

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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--- Comment #24 from Alexandre Demers  
2012-08-30 22:38:36 UTC ---
(In reply to comment #23)
> (In reply to comment #22)
> > It seems Marek has more weight than me about lockups related to VM on
> > Cayman(problem first reported as bug 45018). 
> 
> Well, we were hoping to get this resolved in time for 9.0, but as it's getting
> pretty close now, it's probably better to disable it at least for the 9.0
> release.  The problem is, when it's disabled, there's not much chance of 
> anyone
> testing it, so it's not likely to ever get properly fixed.  Also, SI only
> supports VM, so we can't disable VM for SI.

Meanwhile, since fixes committed for bug 45018 helped me a lot, I'll gladly
keep VM activated to test it. After all, my desktop is now usable now, I've
been running for 3 days without any lockup, while I was previously only able to
run for a couple of hours before restarting. So, if you have any patches you
want to test that could help, ask me.

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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--- Comment #23 from Alex Deucher  2012-08-30 21:42:20 UTC 
---
(In reply to comment #22)
> It seems Marek has more weight than me about lockups related to VM on
> Cayman(problem first reported as bug 45018). 

Well, we were hoping to get this resolved in time for 9.0, but as it's getting
pretty close now, it's probably better to disable it at least for the 9.0
release.  The problem is, when it's disabled, there's not much chance of anyone
testing it, so it's not likely to ever get properly fixed.  Also, SI only
supports VM, so we can't disable VM for SI.

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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--- Comment #22 from Alexandre Demers  
2012-08-30 21:34:48 UTC ---
It seems Marek has more weight than me about lockups related to VM on
Cayman(problem first reported as bug 45018). Patch by Marek to disable VM by
default for Cayman:
http://lists.freedesktop.org/archives/mesa-dev/2012-August/026590.html

If you have any news on the subject, feel free to add info in the current bug.
To Marek: are you experiencing the same first lockup in the piglit tests as
reported in comment 10. I'm sure have seen a previous comment from another dev
who was also experiencing lockups on Cayman, but I can't find who that was.

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--- Comment #22 from Alexandre Demers alexandre.f.dem...@gmail.com 2012-08-30 
21:34:48 UTC ---
It seems Marek has more weight than me about lockups related to VM on
Cayman(problem first reported as bug 45018). Patch by Marek to disable VM by
default for Cayman:
http://lists.freedesktop.org/archives/mesa-dev/2012-August/026590.html

If you have any news on the subject, feel free to add info in the current bug.
To Marek: are you experiencing the same first lockup in the piglit tests as
reported in comment 10. I'm sure have seen a previous comment from another dev
who was also experiencing lockups on Cayman, but I can't find who that was.

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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--- Comment #23 from Alex Deucher ag...@yahoo.com 2012-08-30 21:42:20 UTC ---
(In reply to comment #22)
 It seems Marek has more weight than me about lockups related to VM on
 Cayman(problem first reported as bug 45018). 

Well, we were hoping to get this resolved in time for 9.0, but as it's getting
pretty close now, it's probably better to disable it at least for the 9.0
release.  The problem is, when it's disabled, there's not much chance of anyone
testing it, so it's not likely to ever get properly fixed.  Also, SI only
supports VM, so we can't disable VM for SI.

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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--- Comment #24 from Alexandre Demers alexandre.f.dem...@gmail.com 2012-08-30 
22:38:36 UTC ---
(In reply to comment #23)
 (In reply to comment #22)
  It seems Marek has more weight than me about lockups related to VM on
  Cayman(problem first reported as bug 45018). 
 
 Well, we were hoping to get this resolved in time for 9.0, but as it's getting
 pretty close now, it's probably better to disable it at least for the 9.0
 release.  The problem is, when it's disabled, there's not much chance of 
 anyone
 testing it, so it's not likely to ever get properly fixed.  Also, SI only
 supports VM, so we can't disable VM for SI.

Meanwhile, since fixes committed for bug 45018 helped me a lot, I'll gladly
keep VM activated to test it. After all, my desktop is now usable now, I've
been running for 3 days without any lockup, while I was previously only able to
run for a couple of hours before restarting. So, if you have any patches you
want to test that could help, ask me.

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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--- Comment #21 from Alexandre Demers  
2012-08-23 13:13:25 UTC ---
(In reply to comment #20)
> (In reply to comment #19)
> > So about this locking piglit test (depthstencil-render-miplevels 146
> > s=z24_s8_d=z32f_s8), I've been able to track it down to:
> > line 218: piglit_report_result(PIGLIT_SKIP);
> 
> How did you determine that? It's weird, I wouldn't expect a skipped test to
> produce any actual GPU rendering.

I used gdb and step into the code until it locked. It gets out at level 0,
after going through:

 /**
 * Attach the proper miplevel of each texture to the framebuffer
 */
void
set_up_framebuffer_for_miplevel(int level)...

Before this call, there is a framebuffer initialization:
GLuint fbo;
glGenFramebuffers(1, );
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo);
glBindFramebuffer(GL_READ_FRAMEBUFFER, fbo);

for (int level = 0; level <= max_miplevel; ++level) {
set_up_framebuffer_for_miplevel(level);

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--- Comment #20 from Michel D?nzer  2012-08-23 06:45:54 
UTC ---
(In reply to comment #19)
> So about this locking piglit test (depthstencil-render-miplevels 146
> s=z24_s8_d=z32f_s8), I've been able to track it down to:
> line 218: piglit_report_result(PIGLIT_SKIP);

How did you determine that? It's weird, I wouldn't expect a skipped test to
produce any actual GPU rendering.

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--- Comment #19 from Alexandre Demers  
2012-08-23 04:12:52 UTC ---
So about this locking piglit test (depthstencil-render-miplevels 146
s=z24_s8_d=z32f_s8), I've been able to track it down to:
line 218: piglit_report_result(PIGLIT_SKIP);

I don't know if we are supposed to be hitting this path, but either way, it
seems piglit_report_result(PIGLIT_SKIP) locks. I suppose this function must be
releasing resources before exiting, but something wrong is happening in there.

By the way, I'm now running kernel 3.6.0-rc3 with latest drm and mesa.

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--- Comment #20 from Michel Dänzer mic...@daenzer.net 2012-08-23 06:45:54 UTC 
---
(In reply to comment #19)
 So about this locking piglit test (depthstencil-render-miplevels 146
 s=z24_s8_d=z32f_s8), I've been able to track it down to:
 line 218: piglit_report_result(PIGLIT_SKIP);

How did you determine that? It's weird, I wouldn't expect a skipped test to
produce any actual GPU rendering.

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--- Comment #21 from Alexandre Demers alexandre.f.dem...@gmail.com 2012-08-23 
13:13:25 UTC ---
(In reply to comment #20)
 (In reply to comment #19)
  So about this locking piglit test (depthstencil-render-miplevels 146
  s=z24_s8_d=z32f_s8), I've been able to track it down to:
  line 218: piglit_report_result(PIGLIT_SKIP);
 
 How did you determine that? It's weird, I wouldn't expect a skipped test to
 produce any actual GPU rendering.

I used gdb and step into the code until it locked. It gets out at level 0,
after going through:

 /**
 * Attach the proper miplevel of each texture to the framebuffer
 */
void
set_up_framebuffer_for_miplevel(int level)...

Before this call, there is a framebuffer initialization:
GLuint fbo;
glGenFramebuffers(1, fbo);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo);
glBindFramebuffer(GL_READ_FRAMEBUFFER, fbo);

for (int level = 0; level = max_miplevel; ++level) {
set_up_framebuffer_for_miplevel(level);

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--- Comment #18 from Alexandre Demers  
2012-08-22 05:32:58 UTC ---
(In reply to comment #16)
> (In reply to comment #15)
> > (In reply to comment #10)
> > > Well, it seems running it through qapitrace doesn't lock.
> > 
> > The apitrace looks incomplete: it doesn't contain any actual rendering
> > operations.
> 
> I'll rerun it at home tonight.

You were right, I had missed a ";" between the arguments. Bam, locked. I was
unable to retrieve a trace. Well, I may try to run it in debug mode to see
where it stops later this week.

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--- Comment #17 from Alexandre Demers  
2012-08-22 03:02:45 UTC ---
(In reply to comment #13)
> (In reply to comment #12)
> > I tried to trace RenderFeatTest (one of the other applications locking my
> > system). It did as  with the piglit test: it didn't crash. However, the
> > rendering is corrupted where it locks when launched from a terminal. Trace 
> > is
> > 75MB when compressed if you want me to upload it somewhere.
> 
> I forgot to say: it doesn't lock anymore at all. I should have written "...
> where it locked when launched from a terminal". It was locking at test 7. I'm
> attaching a screenshot from that test.
> 
> I'll bisect to see if I can find which commit "fixed" the lock.

I was not able to figure out the combination that fixed the thing. Well, let's
focus on the piglit test that locks the beast.

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--- Comment #19 from Alexandre Demers alexandre.f.dem...@gmail.com 2012-08-23 
04:12:52 UTC ---
So about this locking piglit test (depthstencil-render-miplevels 146
s=z24_s8_d=z32f_s8), I've been able to track it down to:
line 218: piglit_report_result(PIGLIT_SKIP);

I don't know if we are supposed to be hitting this path, but either way, it
seems piglit_report_result(PIGLIT_SKIP) locks. I suppose this function must be
releasing resources before exiting, but something wrong is happening in there.

By the way, I'm now running kernel 3.6.0-rc3 with latest drm and mesa.

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--- Comment #17 from Alexandre Demers alexandre.f.dem...@gmail.com 2012-08-22 
03:02:45 UTC ---
(In reply to comment #13)
 (In reply to comment #12)
  I tried to trace RenderFeatTest (one of the other applications locking my
  system). It did as  with the piglit test: it didn't crash. However, the
  rendering is corrupted where it locks when launched from a terminal. Trace 
  is
  75MB when compressed if you want me to upload it somewhere.
 
 I forgot to say: it doesn't lock anymore at all. I should have written ...
 where it locked when launched from a terminal. It was locking at test 7. I'm
 attaching a screenshot from that test.
 
 I'll bisect to see if I can find which commit fixed the lock.

I was not able to figure out the combination that fixed the thing. Well, let's
focus on the piglit test that locks the beast.

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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--- Comment #18 from Alexandre Demers alexandre.f.dem...@gmail.com 2012-08-22 
05:32:58 UTC ---
(In reply to comment #16)
 (In reply to comment #15)
  (In reply to comment #10)
   Well, it seems running it through qapitrace doesn't lock.
  
  The apitrace looks incomplete: it doesn't contain any actual rendering
  operations.
 
 I'll rerun it at home tonight.

You were right, I had missed a ; between the arguments. Bam, locked. I was
unable to retrieve a trace. Well, I may try to run it in debug mode to see
where it stops later this week.

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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--- Comment #16 from Alexandre Demers  
2012-08-20 15:05:03 UTC ---
(In reply to comment #15)
> (In reply to comment #10)
> > Well, it seems running it through qapitrace doesn't lock.
> 
> The apitrace looks incomplete: it doesn't contain any actual rendering
> operations.

I'll rerun it at home tonight.

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--- Comment #15 from Michel D?nzer  2012-08-20 14:59:34 
UTC ---
(In reply to comment #10)
> Well, it seems running it through qapitrace doesn't lock.

The apitrace looks incomplete: it doesn't contain any actual rendering
operations.

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--- Comment #14 from Alexandre Demers  
2012-08-19 23:04:33 UTC ---
Created attachment 65813
  --> https://bugs.freedesktop.org/attachment.cgi?id=65813
bad rendereing on test 7, where it used to lock

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--- Comment #13 from Alexandre Demers  
2012-08-19 23:03:48 UTC ---
(In reply to comment #12)
> I tried to trace RenderFeatTest (one of the other applications locking my
> system). It did as  with the piglit test: it didn't crash. However, the
> rendering is corrupted where it locks when launched from a terminal. Trace is
> 75MB when compressed if you want me to upload it somewhere.

I forgot to say: it doesn't lock anymore at all. I should have written "...
where it locked when launched from a terminal". It was locking at test 7. I'm
attaching a screenshot from that test.

I'll bisect to see if I can find which commit "fixed" the lock.

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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--- Comment #15 from Michel Dänzer mic...@daenzer.net 2012-08-20 14:59:34 UTC 
---
(In reply to comment #10)
 Well, it seems running it through qapitrace doesn't lock.

The apitrace looks incomplete: it doesn't contain any actual rendering
operations.

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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--- Comment #16 from Alexandre Demers alexandre.f.dem...@gmail.com 2012-08-20 
15:05:03 UTC ---
(In reply to comment #15)
 (In reply to comment #10)
  Well, it seems running it through qapitrace doesn't lock.
 
 The apitrace looks incomplete: it doesn't contain any actual rendering
 operations.

I'll rerun it at home tonight.

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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--- Comment #12 from Alexandre Demers  
2012-08-19 22:22:24 UTC ---
I tried to trace RenderFeatTest (one of the other applications locking my
system). It did as  with the piglit test: it didn't crash. However, the
rendering is corrupted where it locks when launched from a terminal. Trace is
75MB when compressed if you want me to upload it somewhere.

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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--- Comment #12 from Alexandre Demers alexandre.f.dem...@gmail.com 2012-08-19 
22:22:24 UTC ---
I tried to trace RenderFeatTest (one of the other applications locking my
system). It did as  with the piglit test: it didn't crash. However, the
rendering is corrupted where it locks when launched from a terminal. Trace is
75MB when compressed if you want me to upload it somewhere.

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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--- Comment #13 from Alexandre Demers alexandre.f.dem...@gmail.com 2012-08-19 
23:03:48 UTC ---
(In reply to comment #12)
 I tried to trace RenderFeatTest (one of the other applications locking my
 system). It did as  with the piglit test: it didn't crash. However, the
 rendering is corrupted where it locks when launched from a terminal. Trace is
 75MB when compressed if you want me to upload it somewhere.

I forgot to say: it doesn't lock anymore at all. I should have written ...
where it locked when launched from a terminal. It was locking at test 7. I'm
attaching a screenshot from that test.

I'll bisect to see if I can find which commit fixed the lock.

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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--- Comment #14 from Alexandre Demers alexandre.f.dem...@gmail.com 2012-08-19 
23:04:33 UTC ---
Created attachment 65813
  -- https://bugs.freedesktop.org/attachment.cgi?id=65813
bad rendereing on test 7, where it used to lock

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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--- Comment #11 from Alexandre Demers  
2012-08-18 05:09:01 UTC ---
Created attachment 65723
  --> https://bugs.freedesktop.org/attachment.cgi?id=65723
apitrace

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--- Comment #10 from Alexandre Demers  
2012-08-18 05:08:00 UTC ---
Well, it seems running it through qapitrace doesn't lock. But running only this
single test in a terminal does.

One thing though: when using qapitrace and looking up state, framebuffer under
surfaces is pretty much garbage whatever stage I look at. I don't know if this
is expected fom depthstencil-render-miplevels 146 s=z24_s8_d=z32f_s8.

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--- Comment #9 from Michel D?nzer  2012-08-17 07:28:50 
UTC ---
(In reply to comment #8)
> Is there a way to use apitrace in combination with piglit? I'd like to trace
> the problematic test.

The first step would be to reproduce the problem by manually running the
problematic test from the piglit/bin directory. Then you should be able to
apitrace it just like any other app.

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--- Comment #8 from Alexandre Demers  
2012-08-17 03:49:31 UTC ---
Is there a way to use apitrace in combination with piglit? I'd like to trace
the problematic test.

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--- Comment #9 from Michel Dänzer mic...@daenzer.net 2012-08-17 07:28:50 UTC 
---
(In reply to comment #8)
 Is there a way to use apitrace in combination with piglit? I'd like to trace
 the problematic test.

The first step would be to reproduce the problem by manually running the
problematic test from the piglit/bin directory. Then you should be able to
apitrace it just like any other app.

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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--- Comment #10 from Alexandre Demers alexandre.f.dem...@gmail.com 2012-08-18 
05:08:00 UTC ---
Well, it seems running it through qapitrace doesn't lock. But running only this
single test in a terminal does.

One thing though: when using qapitrace and looking up state, framebuffer under
surfaces is pretty much garbage whatever stage I look at. I don't know if this
is expected fom depthstencil-render-miplevels 146 s=z24_s8_d=z32f_s8.

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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--- Comment #11 from Alexandre Demers alexandre.f.dem...@gmail.com 2012-08-18 
05:09:01 UTC ---
Created attachment 65723
  -- https://bugs.freedesktop.org/attachment.cgi?id=65723
apitrace

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

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--- Comment #8 from Alexandre Demers alexandre.f.dem...@gmail.com 2012-08-17 
03:49:31 UTC ---
Is there a way to use apitrace in combination with piglit? I'd like to trace
the problematic test.

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--- Comment #7 from Michel D?nzer  2012-08-09 07:05:26 
UTC ---
(In reply to comment #6)
> The fault address in the VM_CONTEXT1_PROTECTION_FAULT_ADDR register is less
> than the start of the virtual address area, unless that is due to the bug?

Sorry, should have mentioned that the address in
VM_CONTEXT1_PROTECTION_FAULT_ADDR is shifted right by 12 bits (i.e. it's the
page frame number).

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--- Comment #6 from Anthony Waters  2012-08-09 03:07:19 
UTC ---
The fault address in the VM_CONTEXT1_PROTECTION_FAULT_ADDR register is less
than the start of the virtual address area, unless that is due to the bug?

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--- Comment #7 from Michel Dänzer mic...@daenzer.net 2012-08-09 07:05:26 UTC 
---
(In reply to comment #6)
 The fault address in the VM_CONTEXT1_PROTECTION_FAULT_ADDR register is less
 than the start of the virtual address area, unless that is due to the bug?

Sorry, should have mentioned that the address in
VM_CONTEXT1_PROTECTION_FAULT_ADDR is shifted right by 12 bits (i.e. it's the
page frame number).

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--- Comment #6 from Anthony Waters awate...@gmail.com 2012-08-09 03:07:19 UTC 
---
The fault address in the VM_CONTEXT1_PROTECTION_FAULT_ADDR register is less
than the start of the virtual address area, unless that is due to the bug?

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--- Comment #5 from Alexandre Demers  
2012-08-07 01:21:27 UTC ---
Tested running one piglit test at a time (thanks Michel) and it always locks on
"texturing/depthstencil-render-miplevels 146 s=z24_s8_d=z32f_s8". It locks
hard, resets, stays locked and usually restarts the computer.

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--- Comment #4 from Alexandre Demers  
2012-08-06 14:42:39 UTC ---
(In reply to comment #3)
> FWIW, r600.tests should no longer be used in favour of quick-driver.tests. I
> assume it still happens with the latter though, so here's some debugging tips:
> 
> For isolating a single piglit test that locks up, it may help to run
> piglit-run.py with -c 0 to prevent several tests from running in parallel.
> 
> For isolating the cause of a lockup, it may help to add some debugging output
> about virtual addresses to the r600g driver, and compare that to the fault
> address in the VM_CONTEXT1_PROTECTION_FAULT_ADDR register.

Your info will be helpful for piglit tests, I'll try that later. For the debug
calls, I'll let someone else propose a patch so it is at the right spot.

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--- Comment #3 from Michel D?nzer  2012-08-06 13:27:48 
UTC ---
FWIW, r600.tests should no longer be used in favour of quick-driver.tests. I
assume it still happens with the latter though, so here's some debugging tips:

For isolating a single piglit test that locks up, it may help to run
piglit-run.py with -c 0 to prevent several tests from running in parallel.

For isolating the cause of a lockup, it may help to add some debugging output
about virtual addresses to the r600g driver, and compare that to the fault
address in the VM_CONTEXT1_PROTECTION_FAULT_ADDR register.

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--- Comment #3 from Michel Dänzer mic...@daenzer.net 2012-08-06 13:27:48 UTC 
---
FWIW, r600.tests should no longer be used in favour of quick-driver.tests. I
assume it still happens with the latter though, so here's some debugging tips:

For isolating a single piglit test that locks up, it may help to run
piglit-run.py with -c 0 to prevent several tests from running in parallel.

For isolating the cause of a lockup, it may help to add some debugging output
about virtual addresses to the r600g driver, and compare that to the fault
address in the VM_CONTEXT1_PROTECTION_FAULT_ADDR register.

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--- Comment #4 from Alexandre Demers alexandre.f.dem...@gmail.com 2012-08-06 
14:42:39 UTC ---
(In reply to comment #3)
 FWIW, r600.tests should no longer be used in favour of quick-driver.tests. I
 assume it still happens with the latter though, so here's some debugging tips:
 
 For isolating a single piglit test that locks up, it may help to run
 piglit-run.py with -c 0 to prevent several tests from running in parallel.
 
 For isolating the cause of a lockup, it may help to add some debugging output
 about virtual addresses to the r600g driver, and compare that to the fault
 address in the VM_CONTEXT1_PROTECTION_FAULT_ADDR register.

Your info will be helpful for piglit tests, I'll try that later. For the debug
calls, I'll let someone else propose a patch so it is at the right spot.

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--- Comment #5 from Alexandre Demers alexandre.f.dem...@gmail.com 2012-08-07 
01:21:27 UTC ---
Tested running one piglit test at a time (thanks Michel) and it always locks on
texturing/depthstencil-render-miplevels 146 s=z24_s8_d=z32f_s8. It locks
hard, resets, stays locked and usually restarts the computer.

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--- Comment #2 from Alexandre Demers  
2012-08-04 04:32:01 UTC ---
Small note to whoever could come here and was not following bug 45018:

Bisecting identified the following commit as culprit:

bb1f0cf3508630a9a93512c79badf8c493c46743 is the first bad commit
commit bb1f0cf3508630a9a93512c79badf8c493c46743
Author: Jerome Glisse 
Date:   Fri Dec 2 10:20:29 2011 -0500

r600g: add support for virtual address space on cayman v11

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--- Comment #1 from Anthony Waters  2012-08-04 04:13:14 
UTC ---
Created attachment 65108
  --> https://bugs.freedesktop.org/attachment.cgi?id=65108
dmesg of piglit r600.test crash

I also have the same issue, here is the dmesg of the crash I get when running
the piglit test case r600.test.  This is with virtual address enabled and the
patches from bug 45018 applied.

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--- Comment #1 from Anthony Waters awate...@gmail.com 2012-08-04 04:13:14 UTC 
---
Created attachment 65108
  -- https://bugs.freedesktop.org/attachment.cgi?id=65108
dmesg of piglit r600.test crash

I also have the same issue, here is the dmesg of the crash I get when running
the piglit test case r600.test.  This is with virtual address enabled and the
patches from bug 45018 applied.

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[Bug 53111] [bisected] lockups since added support for virtual address space on cayman v11

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=53111

--- Comment #2 from Alexandre Demers alexandre.f.dem...@gmail.com 2012-08-04 
04:32:01 UTC ---
Small note to whoever could come here and was not following bug 45018:

Bisecting identified the following commit as culprit:

bb1f0cf3508630a9a93512c79badf8c493c46743 is the first bad commit
commit bb1f0cf3508630a9a93512c79badf8c493c46743
Author: Jerome Glisse jgli...@redhat.com
Date:   Fri Dec 2 10:20:29 2011 -0500

r600g: add support for virtual address space on cayman v11

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