On 05/16/2015 01:49 AM, arch-general-request@xxxxxxxxxxxxx wrote: > Message: 4 > Date: Fri, 15 May 2015 23:31:33 -0000 > From: caocoa@xxxxxxxxxxxx > To: arch-general@xxxxxxxxxxxxx > Subject: [arch-general] Handling GeForce GTX 850M GPU on Arch Linux > Message-ID: > <43601441c6321e0b4e2427dcb9fa09df.squirrel@mail2tor2zyjdctd.onion> > Content-Type: text/plain;charset=iso-8859-1 > > Hello all, > > I've juste installed a new computer and I feel like I'm having trouble > with my NVIDIA GPU but it could be something else so I've enclosed > detailed output. As you can see in [lspci] output, my GPU is `NVIDIA > Corporation GM107M [GeForce GTX 850M] (rev a2)` whose specification can be > found in [specs]. > > The trouble I'd like to solve has the following symptoms: > → Sometimes during booting process, it issues a lot of lines like > `nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [ UNK06 ]` (see [dmesg] > output for full details). This seems to appear randomly: somtimes it has > to reboot two or three times before being able to boot correctly, > sometimes it just needs once and doesn't have nay troubles. > → Some other times, windows appears to stop responding with no > reasons. I have to mouse the pointer off so the window display will > unfreeze and then I can put the pointer over again. I've found it seems to > be related to lines like this one `nouveau E[ PIBUS][0000:01:00.0] HUB0: > 0x000001 0x00000002 (0xbad00100)` in [dmesg]. It starts at timestamp > 28.115820. > → Sometimes, even the window manager (Gnome) freezes and I have to > go to a tty to have a chance to get it unfreeze. It doesn't always work > then sometimes I have to reboot my computer because it has become > absolutely frozen (no mouse, no keyboard, even the keyboard CAPS light > responds no more). > → Finally, in Arch Linux I've become used to have X server started > over tty1 and tty from 2 to 7 free. Actually, when startup reaches the end > without faults, it start X server on tty1 then GDM (Gnome Display Manager) > is shown on tty1 but once I log in to my account, my desktop is shown on > tty2 and tty1 keeps displaying GDM. > > I'm quite puzzled by this and I don't know whether the last symptom is a > bug or a feature (maybe multiple user simultaneous outputs). I've also > enclosed for your information my [Xorg.0.log] file and [lsmod] output. If > it's a bug, which software should I fill a bug report to? nouveau driver, > X, GDM, Gnome? > > Just feel free to ask any further data you'd need about my configuration. > > Thank you in advance for you reply and have a good weekend! > > Caocoa Also, i think yours is the vp6 video engine listed here: http://nouveau.freedesktop.org/wiki/VideoAcceleration/ your card may still be too new for nouveau. It takes a little while for nouveau to catch up and mobile cards are worse. Also, they may not have a laptop with your card (or similar enough) for testing. They might would appreciate help testing, if you were able. good luck