Xorg and multiple graphics cards

[martin f krafft]

also sprach Alex Deucher <alexdeucher at gmail.com> [2009.04.15.1859 +0200]:
> That's what zaphod mode is.  What sort of problem do you get when
> you use that config against the newer driver?

Using the following software on Debian sid:

ii  xserver-xorg    1:7.3+18        the X.Org X server
ii  xserver-xorg-co 2:1.4.2-11      Xorg X server - core server
ii  xserver-xorg-vi 1:6.9.0-1+lenny X.Org X server -- ATI display driver wrapper

and the first xorg.conf included in this post

  http://lists.freedesktop.org/archives/xorg/2009-April/045107.html

with ModulePath commented, such that it uses the Debian-installed
driver, instead of the one I custom-compiled and installed into
/usr/local:

0. the server starts up
1. it displays some Radeon identification string on both heads
   connected to the primary card, while the head on the secondary
   card stays black
2. the identification string changes into the sequence
   "♀♀#♀#♀#♀#♀#♀", which stays there forever, but the screens
   eventually go black
3. the log (attached) informs me of a segfault with this backtrace:

      Backtrace:
      0: /usr/bin/X(xf86SigHandler+0x6a) [0x47898a]
      1: /lib/libc.so.6 [0x7f8e894b1190]
      2: /usr/bin/X(RRCrtcSetRotations+0) [0x525c90]
      3: /usr/bin/X(xf86RandR12SetRotations+0x77) [0x4b90a7]
      4: /usr/bin/X(xf86CrtcScreenInit+0xad) [0x4b45ad]
      5: /usr/lib/xorg/modules/drivers//radeon_drv.so(RADEONScreenInit+0x1bd8) [0x7f8e8701ef38]
      6: /usr/bin/X(AddScreen+0x249) [0x436209]
      7: /usr/bin/X(InitOutput+0x277) [0x46ab27]
      8: /usr/bin/X(main+0x2c6) [0x4369f6]
      9: /lib/libc.so.6(__libc_start_main+0xe6) [0x7f8e8949d5a6]
      10: /usr/bin/X [0x435e99]

      Fatal server error:
      Caught signal 11.  Server aborting

This looks similar to the result I got 14 months ago:

  http://archive.netbsd.se/?ml=xorg&a=2008-02&m=6443010

Thanks for your time and help,

-- 
martin | http://madduck.net/ | http://two.sentenc.es/
 
a c programmer asked whether computers have buddha's nature.
as the answer, the master did "rm -rf" on the programmer's home
directory. and then the c programmer became enlightened...
 
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