[Bug 28016] New: [REGR] RV635 GPU lockup after enabling unmappable VRAM V2 (KMS, Radeon)

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bugzilla-daemon＠freedesktop.org

7 May 2010 7 May '10

11:41 a.m.

https://bugs.freedesktop.org/show_bug.cgi?id=28016

Summary: [REGR] RV635 GPU lockup after enabling unmappable VRAM V2 (KMS, Radeon) Product: DRI Version: unspecified Platform: x86-64 (AMD64) OS/Version: Linux (All) Status: NEW Severity: critical Priority: medium Component: DRM/Radeon AssignedTo: dri-devel@lists.freedesktop.org ReportedBy: astronomo@op.pl

Created an attachment (id=35492) --> (https://bugs.freedesktop.org/attachment.cgi?id=35492) kernel log with the backtrace

I have tested recent branches drm-radeon-testing (last commit 7a1ffce50373c177d3f6eecce52badc40c90e1dd) and drm-next (last commit 9e51159c14c29ebd485a45ba56f148e180d62c29) from http://git.kernel.org/?p=linux/kernel/git/airlied/drm-2.6.git. These branches contain patches for enabling unmappable VRAM. However, soon after booting I am getting a GPU lockup and corrupted console and X.

My hardware is laptop ASUS M50SA with 4GB system memory, and graphics 1GB Mobility Radeon HD 3650.

I am attaching the kernel output with the backtrace and lspci -v output.

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bugzilla-daemon＠freedesktop.org

7 May 7 May

11:42 a.m.

New subject: [Bug 28016] [REGR] RV635 GPU lockup after enabling unmappable VRAM V2 (KMS, Radeon)

https://bugs.freedesktop.org/show_bug.cgi?id=28016

--- Comment #1 from Grzegorz Kowal astronomo@op.pl 2010-05-07 04:42:22 PDT --- Created an attachment (id=35493) --> (https://bugs.freedesktop.org/attachment.cgi?id=35493) lspci -v output

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bugzilla-daemon＠freedesktop.org

11:42 a.m.

New subject: [Bug 28016] [REGR] RV635 GPU lockup after enabling unmappable VRAM V2 (KMS, Radeon)

https://bugs.freedesktop.org/show_bug.cgi?id=28016

Grzegorz Kowal astronomo@op.pl changed:

What |Removed |Added ---------------------------------------------------------------------------- Priority|medium |high

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bugzilla-daemon＠freedesktop.org

11:48 a.m.

New subject: [Bug 28016] [REGR] RV635 GPU lockup after enabling unmappable VRAM V2 (KMS, Radeon)

https://bugs.freedesktop.org/show_bug.cgi?id=28016

--- Comment #2 from Grzegorz Kowal astronomo@op.pl 2010-05-07 04:48:35 PDT --- To be more precise, I bisected the commit introducing the problem. It is 6b8b1786a8c29ce6e32298b93ac8d4a18a2b11c4 (drm/radeon/kms: enable use of unmappable VRAM V2). Before it everything works fine.

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bugzilla-daemon＠freedesktop.org

1:18 p.m.

New subject: [Bug 28016] [REGR] RV635 GPU lockup after enabling unmappable VRAM V2 (KMS, Radeon)

https://bugs.freedesktop.org/show_bug.cgi?id=28016

Alex Deucher agd5f@yahoo.com changed:

--- Comment #3 from Alex Deucher agd5f@yahoo.com 2010-05-07 06:18:03 PDT ---

*** This bug has been marked as a duplicate of bug 27822 ***

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bugzilla-daemon＠freedesktop.org

3:35 p.m.

New subject: [Bug 28016] [REGR] RV635 GPU lockup after enabling unmappable VRAM V2 (KMS, Radeon)

https://bugs.freedesktop.org/show_bug.cgi?id=28016

Grzegorz Kowal astronomo@op.pl changed:

--- Comment #4 from Grzegorz Kowal astronomo@op.pl 2010-05-07 08:35:57 PDT --- I am reopening the bug since the patch included in bug 27822 does not resolve my problem.

I have tested once again the recent branch drm-next with the last commit "drm/ttm: fix, avoid iomapping system memory" (9e51159c14c29ebd485a45ba56f148e180d62c29) and the problem remains.

I am attaching dmesg output from this as well.

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bugzilla-daemon＠freedesktop.org

3:36 p.m.

New subject: [Bug 28016] [REGR] RV635 GPU lockup after enabling unmappable VRAM V2 (KMS, Radeon)

https://bugs.freedesktop.org/show_bug.cgi?id=28016

--- Comment #5 from Grzegorz Kowal astronomo@op.pl 2010-05-07 08:36:30 PDT --- Created an attachment (id=35498) --> (https://bugs.freedesktop.org/attachment.cgi?id=35498) dmesg output from drm-next

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bugzilla-daemon＠freedesktop.org

10 May 10 May

10:14 a.m.

New subject: [Bug 28016] KMS:RV635:HD3650 GPU lockup

https://bugs.freedesktop.org/show_bug.cgi?id=28016

Jerome Glisse glisse@freedesktop.org changed:

--- Comment #6 from Jerome Glisse glisse@freedesktop.org 2010-05-10 03:14:46 PDT --- Can you describe what you are doing when it lockup (where you using firefox on heavy website with lot of picture ? ...)

Also please try with reverting : 6b8b1786a8c29ce6e32298b93ac8d4a18a2b11c4

and report if it helps

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bugzilla-daemon＠freedesktop.org

1:29 p.m.

New subject: [Bug 28016] KMS:RV635:HD3650 GPU lockup

https://bugs.freedesktop.org/show_bug.cgi?id=28016

--- Comment #7 from Grzegorz Kowal astronomo@op.pl 2010-05-10 06:29:42 PDT --- Basically, I am just booting the kernel. The screen is corrupted since the initialization of the KMS (bounch of white dots on black background, it looks like each line is shifted horizontally). When I log in using ssh, however, everything seems to work fine.

Once I start the X server I am getting the soft lockup. The screen flickers a few times, the server seems to restart ending with the distorted image of kdm background. I can post the images if necessary.

After reverting 6b8b1786a8c29ce6e32298b93ac8d4a18a2b11c4 everything works fine. There is no screen corruption after the KMS initialization and the X server works fine. Obviously, the amount of accessible VRAM is reduced from 1024MB to 256MB then.

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bugzilla-daemon＠freedesktop.org

1:51 p.m.

New subject: [Bug 28016] KMS:RV635:HD3650 GPU lockup

https://bugs.freedesktop.org/show_bug.cgi?id=28016

--- Comment #8 from Jerome Glisse glisse@freedesktop.org 2010-05-10 06:51:33 PDT --- Please attach full dmesg

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bugzilla-daemon＠freedesktop.org

1:51 p.m.

New subject: [Bug 28016] KMS:RV635:HD3650 GPU lockup

https://bugs.freedesktop.org/show_bug.cgi?id=28016

--- Comment #9 from Jerome Glisse glisse@freedesktop.org 2010-05-10 06:51:51 PDT --- Full dmesg without the revert.

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bugzilla-daemon＠freedesktop.org

7:22 p.m.

New subject: [Bug 28016] KMS:RV635:HD3650 GPU lockup

https://bugs.freedesktop.org/show_bug.cgi?id=28016

--- Comment #10 from Grzegorz Kowal astronomo@op.pl 2010-05-10 12:22:58 PDT --- Created an attachment (id=35552) --> (https://bugs.freedesktop.org/attachment.cgi?id=35552) Full dmesg without the revert.

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bugzilla-daemon＠freedesktop.org

7:30 p.m.

New subject: [Bug 28016] KMS:RV635:HD3650 GPU lockup

https://bugs.freedesktop.org/show_bug.cgi?id=28016

--- Comment #11 from Grzegorz Kowal astronomo@op.pl 2010-05-10 12:30:42 PDT --- Created an attachment (id=35553) --> (https://bugs.freedesktop.org/attachment.cgi?id=35553) Full dmesg with the revert.

I have not noticed that my dmesg was not full (kernel log size was too small).

I am submitting two full dmesg outputs for the recent drm-radeon-testing branch: one without any modifications (bad) and the second with the reverted commit 6b8b1786 (good).

Jerome, let me know if you need anything else in order to diagnose this problem.

Thanks!

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bugzilla-daemon＠freedesktop.org

3 Jun 3 Jun

7:10 p.m.

New subject: [Bug 28016] KMS:RV635:HD3650 GPU lockup

https://bugs.freedesktop.org/show_bug.cgi?id=28016

--- Comment #12 from Jerome Glisse glisse@freedesktop.org 2010-06-03 12:10:06 PDT --- Created an attachment (id=36035) View: https://bugs.freedesktop.org/attachment.cgi?id=36035 Review: https://bugs.freedesktop.org/review?bug=28016&attachment=36035

HDP NONSURF to maximum size

Can you confirm that attach patch fix the issue for you

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bugzilla-daemon＠freedesktop.org

9:39 p.m.

New subject: [Bug 28016] KMS:RV635:HD3650 GPU lockup

https://bugs.freedesktop.org/show_bug.cgi?id=28016

Grzegorz Kowal astronomo@op.pl changed:

--- Comment #13 from Grzegorz Kowal astronomo@op.pl 2010-06-03 14:39:09 PDT --- I can confirm, that the patch fixes my problems.

Thanks!

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bugzilla-daemon＠freedesktop.org

9 Jun 9 Jun

3:21 p.m.

New subject: [Bug 28016] KMS:RV635:HD3650 GPU lockup

https://bugs.freedesktop.org/show_bug.cgi?id=28016

Grzegorz Kowal astronomo@op.pl changed:

--- Comment #14 from Grzegorz Kowal astronomo@op.pl 2010-06-09 08:21:00 PDT --- I am reopening this since the patch has not been applied yet.

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bugzilla-daemon＠freedesktop.org

6 Jul 6 Jul

4:05 a.m.

New subject: [Bug 28016] KMS:RV635:HD3650 GPU lockup

https://bugs.freedesktop.org/show_bug.cgi?id=28016

Grzegorz Kowal astronomo@op.pl changed:

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bugzilla-daemon＠freedesktop.org