[SLUG] rotating monitor with nv(idia)?

From: Eben King (eben1@tampabay.rr.com)
Date: Tue Nov 08 2005 - 21:36:44 EST


Hey, some of you may recall that I got an LCD monitor. This monitor
rotates. I have XFree86 4.2.0, and I'm currently using the "nvidia" driver.
(my X config file is at http://24.94.123.65:81/XF86Config.bz2). I read that
the "nvidia" driver doesn't support on-the-fly rotation, but the "nv" driver
does. So I uncommented it in /etc/X11/XF86Config, and commented out the
other, reran startx, and got this:

...
Fatal server error:
no screens found
...

A look in /var/log/XFree86.0.log finds

(WW) Open APM failed (/dev/apm_bios) (No such device)

but that shouldn't be fatal.

(II) LoadModule: "nv"

Didn't know that was considered a module, but OK.

(EE) No devices detected.

What? No cards that "nv" can handle?

lspci says:

01:00.0 VGA compatible controller: nVidia Corporation: Unknown device 0181 (rev c1) (prog-if 00 [VGA])
        Subsystem: Unknown device 3842:3088
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
        Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
        Latency: 248 (1250ns min, 250ns max)
        Interrupt: pin A routed to IRQ 16
        Region 0: Memory at d6000000 (32-bit, non-prefetchable) [size=16M]
        Region 1: Memory at d8000000 (32-bit, prefetchable) [size=128M]
        Expansion ROM at d7fe0000 [disabled] [size=128K]
        Capabilities: [60] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [44] AGP version 3.0
                Status: RQ=31 SBA- 64bit- FW+ Rate=x1,x2,x4
                Command: RQ=31 SBA- AGP+ 64bit- FW- Rate=x4

Do I need to upgrade X to make XRandR work? How much of a disruption is
that? Does rotation-on-demand always involve XRandR? Does any method sense
monitor rotation and adjust the screen automatically? Can it affect text
modes too, or only X?

-- 
-eben    ebQenW1@EtaRmpTabYayU.rIr.OcoPm    home.tampabay.rr.com/hactar

They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety. -- Ben Franklin

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