Hi, sorry for barging in but I'm also hitting this on the same graphics card
(NVS 4200M) on a Dell Latitude E6520 running Arch Linux.
I'm trying to use PRIME for a VA-API + VDPAU setup and also for some games but
as soon as I start I get this message in dmesg :
kernel: nouveau E[ PFIFO][:0
Created attachment 103307
system log nouveau kernel linux-3.16 branch
I've compiled the kernel on the linux-3.16 branch from
http://cgit.freedesktop.org/nouveau/linux-2.6/ and X still freezes but now it
recovers temporarily.
After it I can close the program that caused the freeze and then I can
Created attachment 103302
system log
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https://bugs.launchpad.net/bugs/1243557
Title:
10de:1056 [Dell Latitude E6520] [NVS 4200M] X freeze, "unhandled
status 0x0080"
To manage not