Mailinglist Archive: radeonhd (290 mails)

["Alex Deucher" <alexdeucher@xxxxxxxxx>]

On Mon, Aug 11, 2008 at 6:35 PM, Rodney M. Bates
<rodney.bates@xxxxxxxxxxx> wrote:
> I have a Radeon HD 4850 video card.  Apparently, it is fairly new. I
> downloaded
> and built the radeonhd driver from source by following the instructions on:
>
> http://www.phoronix.com/scan.php?page=article&item=843&num=1
>
> I get a backtrace when starting the X server:
> -------------------------------------------------------------------------------
> Backtrace:
> 0: /usr/bin/X(xf86SigHandler+0x6a) [0x48402a]
> 1: /lib/libc.so.6 [0x7f6b80324100]
> 2: /usr/bin/X(RRCrtcSetRotations+0) [0x51c1e0]
> 3: /usr/bin/X(xf86RandR12SetRotations+0x74) [0x4b3e24]
> 4: /usr/bin/X(xf86CrtcScreenInit+0xb5) [0x4af7d5]
> 5: /usr/lib/xorg/modules/drivers//radeonhd_Erv.so(RHDRandrScreenInit+0x4f)
> [0x7f6b7e8a426f]
> 6: /usr/lib/xorg/modules/drivers//radeonhd_Erv.so [0x7f6b7e89413b]
> 7: /usr/bin/X(AddScreen+0x238) [0x436208]
> 8: /usr/bin/X(InitOutput+0x266) [0x469006]
> 9: /usr/bin/X(main+0x29f) [0x4369bf]
> 10: /lib/libc.so.6(__libc_start_main+0xf4) [0x7f6b803101c4]
> 11: /usr/bin/X(FontFileCompleteXLFD+0x279) [0x435ed9]
>
> Fatal server error:
> Caught signal 11.  Server aborting
> --------------------------------------------------------------------------------
> Earlier in the log are these lines:
>
> (II) RADEONHD(0): Unknown card detected: 0x9442:0x1002:0x0502.
>        If - and only if - your card does not work or does not work optimally
>        please contact radeonhd@xxxxxxxxxxxx to help rectify this.
>        Use the subject: 0x9442:0x1002:0x0502: <name of board>
>        and *please* describe the problems you are seeing
>        in your message.
> (--) RADEONHD(0): Detected an RV770 on an unidentified card
> --------------------------------------------------------------------------------
> I have attached my xorg.conf and Xorg.0.log files.  This is on ubuntu 8.04,
> x86_64.  I have tried several drivers, including current distribution
> versions
> of radeon, radeonhd, and fglrx, and no others recognized any RV770 series at
> all.
>
> If I omit the Driver line entirely, apparently the driver that gets chosen
> is
> vesa.  In this case, the X server starts and the monitors work, but that
> driver
> says "Option "Rotate: is not used' and doesn't rotate.  It alos claims in
> the
> log to  be enabling Xinerama, but doesn't do it.
>
> In the previous try, the now-commented-out Driver "radeonhd" line in the
> second
> Device section was present, but that gave:
> -------------------------------------------------------------------------------
> Fatal server error:
> Requested Entity already in use
> -------------------------------------------------------------------------------
> I suppose this is a simple configuration error, but the backtrace seems like
> a
> driver bug.

radeonhd does not support rotation or zaphod style dualhead.  For
reasonably performant rotation, you need acceleration which is not yet
available on r6xx and r7xx chips.  For dualhead, I'd suggest xrandr.
if you really want zaphod mode, you'll have to use radeon.

Alex
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