[Bugme-janitors] [Bug 22192] New: Distortion in screen with KMS enabled

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=22192

           Summary: Distortion in screen with KMS enabled
           Product: Drivers
           Version: 2.5
    Kernel Version: 2.6.35
          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: remco.hijink at gmail.com
        Regression: No


With KMS enabled I've got much distortion in the terminal and X-server. Below
I've put the details of some commands, what else is necessary? I've alse
included a photograph of the distortion.

With "echo 1 | sudo tee /sys/module/drm/parameters/debug" the log is filling
with these messages:
Nov  6 15:40:13 remco-laptop kernel: [ 1856.946911] [drm:drm_ioctl], pid=1102,
cmd=0xc008646a, nr=0x6a, dev 0xe200, auth=1
Nov  6 15:40:13 remco-laptop kernel: [ 1856.946917] [drm:drm_ioctl], ret =
fffffff0

lspci -vv: 

1:00.0 VGA compatible controller: ATI Technologies Inc Mobility Radeon HD 3400
Series (prog-if 00 [VGA controller])
    Subsystem: Toshiba America Info Systems Device ff1e
    Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
    Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort+ >SERR- <PERR- INTx-
    Latency: 0
    Interrupt: pin A routed to IRQ 46
    Region 0: Memory at c0000000 (32-bit, prefetchable) [size=256M]
    Region 1: I/O ports at 5000 [size=256]
    Region 2: Memory at d6300000 (32-bit, non-prefetchable) [size=64K]
    Expansion ROM at d6320000 [disabled] [size=128K]
    Capabilities: <access denied>
    Kernel driver in use: radeon
    Kernel modules: radeon

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