[Nouveau] [Bug 15502] Unknown LVDS configuration bits

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=15502





--- Comment #2 from Alexey Dobriyan <adobriyan at gmail.com>  2008-04-15 11:29:45 PST ---
Same here with nv84:

09:00.0 3D controller [0302]: nVidia Corporation Unknown device [10de:0407]
(rev a1)
        Subsystem: Toshiba America Info Systems Unknown device [1179:ff00]
        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, Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 11
        Region 0: Memory at f2000000 (32-bit, non-prefetchable) [disabled]
[size=16M]
        Region 1: Memory at d0000000 (64-bit, prefetchable) [disabled]
[size=256M]
        Region 3: Memory at f0000000 (64-bit, non-prefetchable) [disabled]
[size=32M]
        Region 5: I/O ports at 2000 [disabled] [size=128]
        Capabilities: <access denied>
        Kernel modules: nvidia

0a:00.0 VGA compatible controller [0300]: nVidia Corporation Unknown device
[10de:0407] (rev a1) (prog-if 00 [VGA controller])
        Subsystem: Toshiba America Info Systems Unknown device [1179:ff00]
        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, Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 10
        Region 0: Memory at f3000000 (32-bit, non-prefetchable) [size=16M]
        Region 1: Memory at c0000000 (64-bit, prefetchable) [size=256M]
        Region 3: Memory at f4000000 (64-bit, non-prefetchable) [size=32M]
        Region 5: I/O ports at 3000 [size=128]
        Capabilities: <access denied>
        Kernel modules: nvidia


    (II) NOUVEAU(0): Found LVDS manufacturer table revision 4.0
    (EE) NOUVEAU(0): LVDS table revision not currently supported
    (EE) NOUVEAU(0): Pointers to flat panel table invalid
    (II) NOUVEAU(0): Found TMDS table revision 2.0
    (WW) NOUVEAU(0): TMDS table script pointers not stubbed
    (II) NOUVEAU(0): Setting owner: 0x0.
    (II) NOUVEAU(0): Setting owner: 0x3.
    (II) NOUVEAU(0): Setting owner: 0x0.
    (II) NOUVEAU(0): Display Configuration Block version 4.0 found
    (II) NOUVEAU(0): DCB header length 27, with 10 possible entries
    Raw DCB entry 0: 01000323 00000034
    (EE) NOUVEAU(0): Unknown LVDS configuration bits, please report
    (II) NOUVEAU(0): NV50DispPreInit is called.

If I disable check in parse_dcb_entry(), X later segfaults at:

    (WW) NOUVEAU(1): DCB type 14 not known
    (II) NOUVEAU(1): nv50_lvds_detect is called.
    (II) NOUVEAU(1): Output LVDS-0 connected

    Backtrace:
    0: X(xf86SigHandler+0x6d) [0x48efbd]
    1: /lib/libc.so.6 [0x2b538de9f430]
    2: /lib/libc.so.6(memcpy+0xd2) [0x2b538dee49a2]
    3: X(xf86DuplicateMode+0x2e) [0x4b69be]
    4: X(xf86ProbeOutputModes+0x25c) [0x4b21cc]
    5: X(xf86InitialConfiguration+0x78) [0x4b27f8]
    6: /usr/lib64/xorg/modules/drivers//nouveau_drv.so [0x2b538f74c7bb]
    7: X(InitOutput+0x9b6) [0x468156]
    8: X(main+0x275) [0x439ba5]
    9: /lib/libc.so.6(__libc_start_main+0xf4) [0x2b538de8cb74]
    10: X(FontFileCompleteXLFD+0x209) [0x439079]

    Fatal server error:
    Caught signal 11.  Server aborting


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