[NV108] Quadro K610M: nouveau fills the kernel log when a video is played
Submitted by Vincent Lefevre @vinc17
Assigned to Nouveau Project
Description
When a video is played, either by VLC or by MPlayer, the kernel log /var/log/kern.log is filled with lines like:
Jul 16 01:44:30 zira kernel: [81562.247407] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: ch 2 [Xorg[1209]] subc 5 mthd 0x0000 data 0x0000906e
Jul 16 01:44:30 zira kernel: [81562.280793] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: LBREQ
Jul 16 01:44:30 zira kernel: [81562.280801] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: ch 2 [Xorg[1209]] subc 5 mthd 0x0000 data 0x0000906e
Jul 16 01:44:30 zira kernel: [81562.314152] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: LBREQ
Jul 16 01:44:30 zira kernel: [81562.314161] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: ch 2 [Xorg[1209]] subc 5 mthd 0x0000 data 0x0000906e
Jul 16 01:44:30 zira kernel: [81562.347434] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: LBREQ
Jul 16 01:44:30 zira kernel: [81562.347443] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: ch 2 [Xorg[1209]] subc 5 mthd 0x0000 data 0x0000906e
Jul 16 01:44:30 zira kernel: [81562.380791] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: LBREQ
Jul 16 01:44:30 zira kernel: [81562.380800] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: ch 2 [Xorg[1209]] subc 5 mthd 0x0000 data 0x0000906e
Jul 16 01:44:30 zira kernel: [81562.414181] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: LBREQ
Jul 16 01:44:30 zira kernel: [81562.414189] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: ch 2 [Xorg[1209]] subc 5 mthd 0x0000 data 0x0000906e
Jul 16 01:44:30 zira kernel: [81562.447591] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: LBREQ
Jul 16 01:44:30 zira kernel: [81562.447600] nouveau E[ PFIFO][0000:01:00.0] PBDMA0: ch 2 [Xorg[1209]] subc 5 mthd 0x0000 data 0x0000906e
also completely filling dmesg output.
Someone else has the same kind of problem:
https://bugs.launchpad.net/ubuntu/+source/linux-lts-vivid/+bug/1474538