-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Mon, 04 Feb 2013 10:27:56 +0100 Michel Dänzer <daenzer@debian.org> wrote: > On Mon, 2013-02-04 at 09:30 +0100, Andreas Glaeser wrote: > > > > The 'firmware-linux-nonfree' package was set up, which made DRI work and Gnome3 run > > in non-fallback mode, but RandR is still diabled (see below), so the resolution is > > 640x480 and it cannot be changed using SystemSettings/Screen. > > [...] > > > 'aptitude show firmware-linux-nonfree' did not tell me clearly whether the package > > contains firmware for the hardware or not, maybe it is required for any RADEON-GPU. > > It does, and it generally is for hardware acceleration. > > > 'xserver-xorg-video-radeon' suggests 'firmware-linux', but probably this should at > > least be a recommendation or even a real dependency. > > That is not allowed for packages in main. > > > > [ 596.213] (II) RADEON(0): Printing probed modes for output LVDS > > [ 596.213] (II) RADEON(0): Modeline "640x480"x60.0 25.20 640 648 744 800 480 > > 482 484 525 -hsync -vsync (31.5 kHz eP) [ 596.213] (II) RADEON(0): Output DVI-0 > > connected [ 596.213] (II) RADEON(0): Output LVDS connected > > Is this a laptop? The drivers are detecting an LVDS panel with 640x480 > resolution, which I suspect is the source of your problems. > > Does it help if you disable the LVDS/Laptop display or deselect 'Mirror > displays' in the GNOME display settings? If not, and if you don't ever > need the LVDS display, video=LVDS-1:d on the kernel commandline might > help. > > > > [ 596.217] (II) RADEON(0): RandR 1.2 enabled, ignore the following RandR disabled > > message. > > [ 596.217] (--) RandR disabled > > As you can see, RandR 1.2 is enabled, the second message is an artifact > of how RandR 1.2 support is initialized in the X server. > > The device is not a laptop, but a thin client, my report refers to this installation-report: 699691@bugs.debian.org Adding 'video=LVDS-1:d' to the kernel commandline in fact did resolve the problem, I can enjoy the GNOME-Desktop at full 1024x768 resolution now. The graphics-problem with the XFCE-desktop background is also gone, but the virtual terminals alt-F1 to alt-F6,i.e. tty1 to tty6 now are periodically blanking, i.e. turning 'black', so there still seems to be some kind of problem... In spite of it I am going to add the k-option to /etc/default/grub now and see if that works, because the ttyx-blanking does not affect the X-display. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iEYEARECAAYFAlEQ6SEACgkQ5+rBHyUt5wu5+wCfV1v0Q3HZxPmAt7lq0kYSa00p K7sAoLo40w2k9HkFYe5tQ8/SaGnXkHWG =/VUf -----END PGP SIGNATURE-----
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