DRM GPU lockup - switching to software fbcon
SCHED_ERROR [CTXSW_TIMEOUT]
PGRAPH engine fault on channel 1,
my screen show above messege on a black screen,I can’t anything except move pointer at that time,when I reboot everything works well,why?I’m using nouveau
blur when using desktop gigabyte gtx 650 ti boost and old inno3d gtx 260 gold,replaced with evga gt 740 sc 2gb gddr5,fix evga gt 740 sc 2gb gddr5 by motherboard screwdriver drive the screw solved freeze before log in screen,fix evga gt 740 sc 2gb gddr5 by screwdriver drive the dvi screw,they can be replaced freely by no need reinstall debian.