[Bug 36777] New: radeon 0000:01:00.0: IH ring buffer overflow (0xFFFFFFFF, 15, 65550)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=36777

           Summary: radeon 0000:01:00.0: IH ring buffer overflow
                    (0xFFFFFFFF, 15, 65550)
           Product: xorg
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: manday at gmx.net
         QAContact: xorg-team at lists.x.org


VGASwitcheroo enabled hybrid setup with Intel Arrandale and Radeon CEDAR

01:00.0 0300: 1002:68e0 (rev ff) (prog-if ff)
    !!! Unknown header type 7f
    Kernel driver in use: radeon

(lspci -vn). When the Radeon is powered down and X is running dmesg is filled
up with thousands of 

radeon 0000:01:00.0: IH ring buffer overflow (0xFFFFFFFF, 15, 65550)

which does not disappear, even if debug is disabled. I think the radeon driver
does not understand that it's card is powered down. Can this be fixed?

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