[Bug 56541] New: Sony VAIO VPCZ23A4R: Oops or panic on radeon in error path

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=56541

           Summary: Sony VAIO VPCZ23A4R: Oops or panic on radeon in error
                    path
           Product: Drivers
           Version: 2.5
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
        AssignedTo: drivers_video-dri at kernel-bugs.osdl.org
        ReportedBy: patrakov at gmail.com
                CC: aaron.lu at intel.com
        Regression: No


Created an attachment (id=98431)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=98431)
Dmesg from 3.9-rc5

This is a fork of bug #56501 and bug #55611. A separate bug is needed because a
decision was made to limit these two bugs to non-rescanning of the PCI bus.
Feel free, however, to refer to any relevant files (e.g. kernel configs and
DSDT dump) or comments attached to these bugs.

Due to yet another bug (#56531), the kernel fails to assign PCI resources to
the radeon card in the dock station. As you can see from the attached dmesg, it
causes an oops or even a panic in the radeon driver, among other bad things.
Please fix the radeon driver so that it doesn't dereference a kernel NULL
pointer even when given bad PCI resources.

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