Ambos os arquivos kern.log e syslog cresceram para > 50Gb e contêm algumas centenas de milhões de linhas de:
Feb 23 23:32:43 Yawning-Angel kernel: [396111.179453] nouveau E[ PFIFO][0000:05:00.0] PBDMA0: ch 2 [Xorg[1074]] subc 0 mthd 0x001c data 0x00001004
Feb 23 23:32:43 Yawning-Angel kernel: [396111.179469] nouveau E[ PFIFO][0000:05:00.0] PBDMA0: ACQUIRE
Feb 23 23:32:43 Yawning-Angel kernel: [396111.179472] nouveau E[ PFIFO][0000:05:00.0] PBDMA0: ch 1 [DRM] subc 0 mthd 0x001c data 0x00001004
Feb 23 23:32:43 Yawning-Angel kernel: [396111.179489] nouveau E[ PFIFO][0000:05:00.0] PBDMA0: ACQUIRE
Feb 23 23:32:43 Yawning-Angel kernel: [396111.179490] nouveau E[ PFIFO][0000:05:00.0] PBDMA0: ch 2 [Xorg[1074]] subc 0 mthd 0x001c data 0x00001004
Feb 23 23:32:43 Yawning-Angel kernel: [396111.179507] nouveau E[ PFIFO][0000:05:00.0] PBDMA0: ACQUIRE
Feb 23 23:32:43 Yawning-Angel kernel: [396111.179509] nouveau E[ PFIFO][0000:05:00.0] PBDMA0: ch 1 [DRM] subc 0 mthd 0x001c data 0x00001004
Feb 23 23:32:43 Yawning-Angel kernel: [396111.179525] nouveau E[ PFIFO][0000:05:00.0] PBDMA0: ACQUIRE
Feb 23 23:32:43 Yawning-Angel kernel: [396111.179527] nouveau E[ PFIFO][0000:05:00.0] PBDMA0: ch 2 [Xorg[1074]] subc 0 mthd 0x001c data 0x00001004
Feb 23 23:32:43 Yawning-Angel kernel: [396111.179543] nouveau E[ PFIFO][0000:05:00.0] PBDMA0: ACQUIRE
Feb 23 23:32:43 Yawning-Angel kernel: [396111.179545] nouveau E[ PFIFO][0000:05:00.0] PBDMA0: ch 1 [DRM] subc 0 mthd 0x001c data 0x00001004
Feb 23 23:32:43 Yawning-Angel kernel: [396111.179562] nouveau E[ PFIFO][0000:05:00.0] PBDMA0: ACQUIRE
Feb 23 23:32:43 Yawning-Angel kernel: [396111.179564] nouveau E[ PFIFO][0000:05:00.0] PBDMA0: ch 2 [Xorg[1074]] subc 0 mthd 0x001c data 0x00001004
Feb 23 23:32:43 Yawning-Angel kernel: [396111.179581] nouveau E[ PFIFO][0000:05:00.0] PBDMA0: ACQUIRE
Feb 23 23:32:43 Yawning-Angel kernel: [396111.179584] nouveau E[ PFIFO][0000:05:00.0] PBDMA0: ch 1 [DRM] subc 0 mthd 0x001c data 0x00001004
Feb 23 23:32:43 Yawning-Angel kernel: [396111.179600] nouveau E[ PFIFO][0000:05:00.0] PBDMA0: ACQUIRE
Feb 23 23:32:43 Yawning-Angel kernel: [396111.179602] nouveau E[ PFIFO][0000:05:00.0] PBDMA0: ch 2 [Xorg[1074]] subc 0 mthd 0x001c data 0x00001004
Feb 23 23:32:43 Yawning-Angel kernel: [396111.179619] nouveau E[ PFIFO][0000:05:00.0] PBDMA0: ACQUIRE
É estranho que isso esteja acontecendo quando o computador estiver ocioso (às 23 horas da noite em um computador de trabalho em uma sala trancada). Também parece recente, já que os últimos conjuntos de arquivos de log estão no intervalo Kb.
Alguma ideia?