On 2012-01-25 18:04 +0100, Rémi Moyen wrote: > I am also guessing, based on this (why didn't I think about that > earlier?) that in the 3.1 kernel, my card is supposed to be supported > by nouveau, hence it tries to use it (and this causes all my problems) > whereas in 2.6.32 it doesn't even try to use nouveau and falls back to > vesafb or something like it, hence it still manages to display > something. Does this makes sense, or is this gibberish?
It makes sense, but since you seem to have the problem even with "nomodeset", it might not actually be the cause. >> You have to use either the NVidia blob or nouveau with a kernel >= 3.2 >> and libgl1-mesa-dri package >= 7.11.1-1. > > Hmm... Why do you say 3.2? Is there something specific that was added > in nouveau in 3.2? Support for my card, I guess? No, but earlier kernels had acceleration disabled for your card. > Where did you find this information? On upstream's wiki¹ there is a link to the relevant kernel commit². > Kernel 3.2 seems to be still in unstable, I'd rather not install > something from there if I can avoid it. No, 3.2 has been in testing for six days, 3.1 is not supported anymore. And yesterday's upload to unstable fixed a local root exploit³, so it's really time to upgrade. >> If you want to make sure nouveau does not do anything harmful (or >> useful) ever, boot with the "nomodeset" kernel parameter. > > I tried that, but it didn't change anything. OK, maybe I did it wrong? > > * To blacklist nouveau, there needs to be a "blacklist nouveau" line > somewhere in a file in /etc/modprobe.d. The nvidia DKMS package does > this (or I did that manually), but apparently this is not enough. It is enough to prevent udev from loading the module, but X will still try to load it if you don't specify a different driver in xorg.xonf. > I've yet to try running depmod -ae and regenerating the initrd > afterwards, could not doing it be a reason why nouveau is not properly > blacklisted? Only if you have added the module to the initramfs yourself, which is unlikely. If you see the message "INIT: version 2.88 booting" in text mode, your initramfs does not load it. > * To completely disable nouveau, I should pass nomodeset to the > kernel. I tried doing this by modifying the GRUB_CMDLINE_LINUX_DEFAULT > (or GRUB_CMDLINE_LINUX) in /etc/default/grub and then running > update-grub, this does not seem to work (then rebooting). Is it the > right way to set this parameter? If you want to set it permanently, yes. Sven ¹ http://nouveau.freedesktop.org/wiki/InstallDRM#Firmware ¹ http://cgit.freedesktop.org/nouveau/linux-2.6/commit/?id=80859760daa01fb38497aa6326a32a16489d8c97 ³ http://lwn.net/Articles/476684/ -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/87boprwt44....@turtle.gmx.de
