我使用 ubuntu 14。大约三天前，当我工作时，计算机开始挂起 - 我什至无法移动鼠标，所以我按电源按钮重新启动计算机。每小时大约发生 1-7 次。例如，我在开放式办公室工作，它挂着。或者我使用控制台 - 它挂起。
日志如下。这是什么意思以及如何解决？
Nov 17 21:18:16 pavel-desktop kernel: [ 275.292875] nouveau E[ PFB][0000:01:00.0] trapped read at 0x002093a000 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.292908] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.292929] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.292938] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x0f04 data 0x3f800000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.293036] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.293048] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.293057] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x1b0c data 0x1000f010
Nov 17 21:18:16 pavel-desktop kernel: [ 275.293071] nouveau E[ PFB][0000:01:00.0] trapped read at 0x00204b6380 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.304073] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.304093] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.304105] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x15e0 data 0x00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.304120] nouveau E[ PFB][0000:01:00.0] trapped read at 0x002093a000 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.304156] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.304187] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.304202] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x0dc8 data 0x00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.304376] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.304388] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.304397] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x1b0c data 0x1000f010
Nov 17 21:18:16 pavel-desktop kernel: [ 275.304411] nouveau E[ PFB][0000:01:00.0] trapped read at 0x00204b6180 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.329457] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.329477] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.329488] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x15e0 data 0x00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.329504] nouveau E[ PFB][0000:01:00.0] trapped read at 0x002093a000 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.329541] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.329566] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.329575] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x0dc8 data 0x00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.329737] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.329750] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.329758] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x1b0c data 0x1000f010
Nov 17 21:18:16 pavel-desktop kernel: [ 275.329772] nouveau E[ PFB][0000:01:00.0] trapped read at 0x00204b6380 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.338336] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.338357] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.338368] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x15e0 data 0x00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.338384] nouveau E[ PFB][0000:01:00.0] trapped read at 0x002093a000 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.338415] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.338443] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.338452] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x0dc8 data 0x00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.338618] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.338630] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.338639] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x1b0c data 0x1000f010
Nov 17 21:18:16 pavel-desktop kernel: [ 275.338654] nouveau E[ PFB][0000:01:00.0] trapped read at 0x00204b6180 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.354981] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.355001] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.355013] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x15e0 data 0x00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.355031] nouveau E[ PFB][0000:01:00.0] trapped read at 0x002093a000 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.355061] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.355085] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.355097] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x0f04 data 0x3f800000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.355195] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.355206] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.355214] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x1b0c data 0x1000f010
Nov 17 21:18:16 pavel-desktop kernel: [ 275.355229] nouveau E[ PFB][0000:01:00.0] trapped read at 0x00204b6380 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.371365] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.371386] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.371397] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x15e0 data 0x00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.371413] nouveau E[ PFB][0000:01:00.0] trapped read at 0x002093a000 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.371440] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.371459] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.371465] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x0dc8 data 0x00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.371624] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.371636] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.371645] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x1b0c data 0x1000f010
Nov 17 21:18:16 pavel-desktop kernel: [ 275.371659] nouveau E[ PFB][0000:01:00.0] trapped read at 0x00204b6180 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.387885] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.387905] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.387916] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x15e0 data 0x00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.387931] nouveau E[ PFB][0000:01:00.0] trapped read at 0x002093a000 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.387952] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.387962] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.387970] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x0dc8 data 0x00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.388133] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.388145] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.388153] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x1b0c data 0x1000f010
Nov 17 21:18:16 pavel-desktop kernel: [ 275.388168] nouveau E[ PFB][0000:01:00.0] trapped read at 0x00204b6380 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.405478] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.405500] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.405514] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x15e0 data 0x00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.405532] nouveau E[ PFB][0000:01:00.0] trapped read at 0x002093a000 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.405554] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.405565] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.405573] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x0dc8 data 0x00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.405733] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.405745] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.405753] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x1b0c data 0x1000f010
Nov 17 21:18:16 pavel-desktop kernel: [ 275.405767] nouveau E[ PFB][0000:01:00.0] trapped read at 0x00204b6180 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.424274] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.424290] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.424299] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x15e0 data 0x00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.424313] nouveau E[ PFB][0000:01:00.0] trapped read at 0x002093a000 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.424449] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.424459] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.424464] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x1b0c data 0x1000f010
Nov 17 21:18:16 pavel-desktop kernel: [ 275.424475] nouveau E[ PFB][0000:01:00.0] trapped read at 0x00204b6380 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.437337] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.437351] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.437360] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x15e0 data 0x00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.437373] nouveau E[ PFB][0000:01:00.0] trapped read at 0x002093a000 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.437388] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.437396] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.437401] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x0dc8 data 0x00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.437561] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.437569] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.437575] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x1b0c data 0x1000f010
Nov 17 21:18:16 pavel-desktop kernel: [ 275.437586] nouveau E[ PFB][0000:01:00.0] trapped read at 0x00204b6180 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.458990] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.459003] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.459008] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x15e0 data 0x00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.459019] nouveau E[ PFB][0000:01:00.0] trapped read at 0x002093a000 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.459041] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.459067] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.459072] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x0dc8 data 0x00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.459232] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.459239] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.459242] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x1b0c data 0x1000f010
Nov 17 21:18:16 pavel-desktop kernel: [ 275.459252] nouveau E[ PFB][0000:01:00.0] trapped read at 0x00204b6380 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.471067] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.471088] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.471102] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x15e0 data 0x00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.471119] nouveau E[ PFB][0000:01:00.0] trapped read at 0x002093a000 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.471140] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.471151] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.471160] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x0dc8 data 0x00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.471320] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.471332] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.471340] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x1b0c data 0x1000f010
Nov 17 21:18:16 pavel-desktop kernel: [ 275.471355] nouveau E[ PFB][0000:01:00.0] trapped read at 0x00204b6180 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.487181] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.487202] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.487215] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x15e0 data 0x00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.487233] nouveau E[ PFB][0000:01:00.0] trapped read at 0x002093a000 on channel 0x0000f94c [compiz[2135]] PGRAPH/VFETCH/00 reason: DMAOBJ_LIMIT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.487264] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.487275] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.487280] nouveau E[ PGRAPH][0000:01:00.0] ch 4 [0x000f94c000 compiz[2135]] subc 3 class 0x8297 mthd 0x0dc8 data 0x00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.487444] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH FAULT
Nov 17 21:18:16 pavel-desktop kernel: [ 275.487456] nouveau E[ PGRAPH][0000:01:00.0] TRAP_VFETCH 00f00000 0000fe0c 00000000 00000000
Nov 17 21:18:16 pavel-desktop kernel: [ 275.487465] nouveau E[ PGRAPH][0000:01
答案1
看起来你正在使用复合融合并且错误与之相关。您是否尝试过禁用或卸载它，看看系统稳定性是否有任何改善？
答案2
遗憾的是，这似乎是 Nouveau 中的一个错误。您可以尝试更新内核或使用 NVIDIA 的专有驱动程序。