我的 kern.log 和 syslog 文件都已增长到 >50Gb 并包含几亿行：
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
这很奇怪，当计算机应该处于空闲状态时（晚上 11 点，在一间上锁的房间里的一台工作计算机上）会发生这种情况。这似乎是最近发生的，因为最近几组日志文件都在 Kb 范围内。
有什么想法吗？