[Bug 29445] New: Linux 2.6.34 kernel Radeon KMS driver freezes my computer sometimes

[Bug 29445] New: Linux 2.6.34 kernel Radeon KMS driver freezes my computer sometimes

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https://bugs.freedesktop.org/show_bug.cgi?id=29445

           Summary: Linux 2.6.34 kernel Radeon KMS driver freezes my
                    computer sometimes
           Product: DRI
           Version: unspecified
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: 0453411800@netti.fi


Created an attachment (id=37682)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=37682)
/var/log/dmesg

I use the kernel radeon driver with a Radeon Mobility R300 on a Toshiba laptop.
The driver in 2.6.32 works fine and also the non-KMS driver in 2.6.34. However,
when I enable the KMS driver (and disable the framebuffer drivers) in the
2.6.34 kernel, my computer freezes after a while of using X. If I don't start X
the new KMS driver works fine.

The outputs of dmesg, Xorg.0.log, and glxinfo are attached separately.

In the case when I collected the above output, the bug manifested when I
changed back to the virtual desktop of a running audio application (foobar2000
under wine). Access to the USB port with an external hard disk died at that
moment. Usually the entire computer freezes (including keyboard, mouse, etc),
but sometimes the bug seems to just disable the USB system. It only happens
when the KMS driver is active so I file the bug here and not at the USB system
or elsewhere.

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[Bug 29445] Linux 2.6.34 kernel Radeon KMS driver freezes my computer sometimes

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https://bugs.freedesktop.org/show_bug.cgi?id=29445

--- Comment #1 from 0453411800@netti.fi 2010-08-08 00:29:00 PDT ---
Created an attachment (id=37683)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=37683)
/var/log/Xorg.0.log

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[Bug 29445] Linux 2.6.34 kernel Radeon KMS driver freezes my computer sometimes

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https://bugs.freedesktop.org/show_bug.cgi?id=29445

--- Comment #2 from 0453411800@netti.fi 2010-08-08 00:29:23 PDT ---
Created an attachment (id=37684)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=37684)
glxinfo output

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[Bug 29445] Linux 2.6.34 kernel Radeon KMS driver freezes my computer sometimes

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https://bugs.freedesktop.org/show_bug.cgi?id=29445

--- Comment #3 from 0453411800@netti.fi 2010-08-08 00:30:59 PDT ---
Created an attachment (id=37685)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=37685)
2.6.34 kernel config (gentoo-sources-2.6.34-r1)

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[Bug 29445] Linux 2.6.34 kernel Radeon KMS driver freezes my computer sometimes

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--- Comment #4 from 0453411800@netti.fi 2010-08-08 00:34:13 PDT ---
The card is Radeon 200, sorry for the typo.

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[Bug 29445] Linux 2.6.34 kernel Radeon KMS driver freezes my computer sometimes

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https://bugs.freedesktop.org/show_bug.cgi?id=29445

Tom Stellard <tstellar@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #37682|application/octet-stream    |text/plain
          mime type|                            |

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[Bug 29445] Linux 2.6.34 kernel Radeon KMS driver freezes my computer sometimes

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Tom Stellard <tstellar@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #37683|application/octet-stream    |text/plain
          mime type|                            |

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[Bug 29445] Linux 2.6.34 kernel Radeon KMS driver freezes my computer sometimes

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Tom Stellard <tstellar@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #37684|application/octet-stream    |text/plain
          mime type|                            |

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[Bug 29445] Linux 2.6.34 kernel Radeon KMS driver freezes my computer sometimes

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Tom Stellard <tstellar@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #37685|application/octet-stream    |text/plain
          mime type|                            |

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[Bug 29445] Linux 2.6.34 kernel Radeon KMS driver freezes my computer sometimes

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--- Comment #5 from Tom Stellard <tstellar@gmail.com> 2010-08-08 13:43:48 PDT ---
I have the exact same card as you and kms works fine for me with the 2.6.34.  I
am using the latest git versions of mesa, libdrm, and xf86-video-ati, and Xorg
v1.8.2.  Updating those packages should fix your problem.  If you are using
Gentoo, an easy way of installing the git versions is to use layman and the X11
overlay.

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[Bug 29445] Linux 2.6.34 kernel Radeon KMS driver freezes my computer sometimes

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--- Comment #6 from 0453411800@netti.fi 2010-08-09 08:35:37 PDT ---
Hmm... good to know that it works for someone else! Hopefully I can fix it on
my laptop too. What versions of these packages do you use, Tom Stellard? Mine
are as follows:

xorg-server 1.7.7
libdrm 2.4.20
xf86-video-ati 6.13.0
mesa 7.8.2.

They meet the requirements from the radeon KMS X.org information page.

The only other thing that I could think of that might be to blame is that I
forgot to remove the vga=791 line from the kernel parameters at boot. Could
that cause the KMS driver to freeze up after a while of using DRI?

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[Bug 29445] Linux 2.6.34 kernel Radeon KMS driver freezes my computer sometimes

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https://bugs.freedesktop.org/show_bug.cgi?id=29445

--- Comment #7 from 0453411800@netti.fi 2010-08-10 11:11:45 PDT ---
A little update... I've tried out all the different kernel options that I could
think of as well as enable USB debugging output, usb_storage debugging output,
ATA system debugging output, SCSI debugging output, Magic SysRq, but I can't
get any reasonable traces out. The symptoms are very predictable, however. I
had thought it might be same bug as
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/509273?comments=all
however setting pci=nomsi does not help at all in my case.

In brief: If I'm using USB for e.g. external hard disk or mobile phone internet
dialup, or if I play audio, and then switch to the X output with KMS
modesetting enabled, either immediately or after a short while (a minute or
so), all the USB devices stop working. Sometimes, the whole computer freezes
and nothing works any more (not even the console or the Magic SysRq keys). If I
disable KMS for the radeon driver, everything is working fine. I'm not doing
any fancy things such as software suspend or hibernate.

Well... if there's some way I can provide better output to help identify the
cause of this problem, let me know, thanks!

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[Bug 29445] Linux 2.6.34 kernel Radeon KMS driver freezes my computer sometimes

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https://bugs.freedesktop.org/show_bug.cgi?id=29445

--- Comment #8 from 0453411800@netti.fi 2010-08-11 07:27:04 PDT ---
I've tried out whether some kernel command-line options can solve my problem.
Here's what I've found (running with the kernel that uses the KMS driver):

radeon.agpmode=-1 does not fix the problem
agpmode=-1 does not fix the problem
radeon.modeset=0 solves the problem

So I'm using that in the kernel arguments now. Of course there's no KMS support
now and the console framebuffer looks very plain during boot and is absent
after X has come up. But it works at least.

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[Bug 29445] Linux 2.6.34 kernel Radeon KMS driver freezes my computer sometimes

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--- Comment #9 from 0453411800@netti.fi 2010-08-11 07:29:15 PDT ---
Another option that I've tried also didn't help:

pci=nomsi did not fix the problem.

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[Bug 29445] Linux 2.6.34 kernel Radeon KMS driver freezes my computer sometimes

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--- Comment #10 from Alex Deucher <agd5f@yahoo.com> 2010-08-11 09:26:35 PDT ---
Can you try 2.6.35?

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[Bug 29445] Linux 2.6.34 kernel Radeon KMS driver freezes my computer sometimes

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--- Comment #11 from 0453411800@netti.fi 2010-08-13 09:31:53 PDT ---
Running kernel 2.6.35-gentoo-r1 now, and I am unable to replicate the bug here.

I will keep running this kernel now, and if the bug should manifest again, I'll
be back! Thanks for apparently having fixed it in 2.6.35.

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[Bug 29445] Linux 2.6.34 kernel Radeon KMS driver freezes my computer sometimes

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--- Comment #12 from 0453411800@netti.fi 2010-08-13 09:32:57 PDT ---
Created an attachment (id=37849)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=37849)
2.6.35 kernel config (gentoo-sources-2.6.35-r1)

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[Bug 29445] Linux 2.6.34 kernel Radeon KMS driver freezes my computer sometimes

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[-- Attachment #1.1: Type: text/plain, Size: 805 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=29445

Martin Peres <martin.peres@free.fr> changed:

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

--- Comment #13 from Martin Peres <martin.peres@free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/drm/amd/issues/146.

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