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

[bugzilla-daemon at freedesktop.org]

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 at lists.freedesktop.org
        ReportedBy: 0453411800 at 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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