Am 18.04.2011 um 09:39 schrieb Carsten Pfeiffer: > I've just switched from the proprietary driver to nouveau and everything > looked great at first (perfect resolution, desktop performance was good, > etc.). > > However I soon noticed that the XServer repeatedly starts to hang or slow > down > for a second or so even when the system is otherwise idle. E.g. I just move > the mouse in a circle and every 7-8s the cursor starts to stutter for a > second. When this happens I see the X process writing something (monitored > with iotop). Checking with strace, I notice that it appends this: > > [ 673.108] (II) NOUVEAU(0): EDID vendor "LEN", prod id 16562 > [ 673.108] (II) NOUVEAU(0): Printing DDC gathered Modelines: > [ 673.108] (II) NOUVEAU(0): Modeline "1920x1080"x0.0 139.00 1920 1980 > 2028 > 2050 1080 1090 1100 1130 -hsync -vsync (67.8 kHz) > [ 673.108] (II) NOUVEAU(0): Modeline "1920x1080"x0.0 115.83 1920 1980 > 2028 > 2050 1080 1090 1100 1130 -hsync -vsync (56.5 kHz) > > every 7-8 seconds to /var/log/Xorg.0.log
Does it help if you boot with the drm_kms_helper.poll=0 kernel parameter? Regards, Sven -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org