Bug#671236: xserver-xorg-video-radeon: X video stopped working after upgrade to 1:6.14.4-2

[Leandro Penz <lpenz@lpenz.org>]

On Wed, May 2, 2012 at 3:28 PM, Julien Cristau <jcristau@debian.org> wrote:
> That's why I said display manager log, not X log.

Ah, ok.

/var/log/xdm.log:

Wed May  2 10:01:54 2012 xdm info (pid 1503): Starting
Wed May  2 10:01:54 2012 xdm info (pid 1503): Starting X server on :0

X.Org X Server 1.11.4
Release Date: 2012-01-27
X Protocol Version 11, Revision 0
Build Operating System: Linux 2.6.32-5-amd64 i686 Debian
Current Operating System: Linux penz 3.2.0-2-686-pae #1 SMP Thu Mar 29
00:16:59 UTC 2012 i686
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.2.0-2-686-pae
root=UUID=52679c43-a882-491a-9d66-c55c6548d918 ro quiet single
Build Date: 05 March 2012  04:16:09AM
xorg-server 2:1.11.4-1 (Cyril Brulebois <kibi@debian.org>)·
Current version of pixman: 0.24.4
    Before reporting problems, check http://wiki.x.org
    to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
    (++) from command line, (!!) notice, (II) informational,
    (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Wed May  2 10:01:54 2012
(==) Using config file: "/etc/X11/xorg.conf"
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
(II) [KMS] Kernel modesetting enabled.
/usr/bin/X: symbol lookup error:
/usr/lib/xorg/modules/drivers/radeon_drv.so: undefined symbol:
radeon_surface_manager_new
Wed May  2 10:01:55 2012 xdm error (pid 1503): server unexpectedly died
Wed May  2 10:02:10 2012 xdm error (pid 1503): Server for display :0
can't be started, session disabled
Wed May  2 10:02:10 2012 xdm info (pid 1503): Exiting