word@word-desktop:~$ dmesg | grep -i pio
[17179573.320000] ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
[17179576.636000]     ide0: BM-DMA at 0xfc00-0xfc07, BIOS settings: hda:DMA, hdb:pio
[17179576.636000]     ide1: BM-DMA at 0xfc08-0xfc0f, BIOS settings: hdc:DMA, hdd:pio
word@word-desktop:~$ dmesg | grep -i dma
[17179569.184000]   DMA zone: 4096 pages, LIFO batch:0
[17179569.184000]   DMA32 zone: 0 pages, LIFO batch:0
[17179575.132000] ata1: SATA max UDMA/133 cmd 0xEC00 ctl 0xE802 bmdma 0xDC00 irq 169
[17179575.136000] ata2: SATA max UDMA/133 cmd 0xE400 ctl 0xE002 bmdma 0xDC08 irq 169
[17179575.300000] ata1: dev 0 ATA-7, max UDMA/133, 781422768 sectors: LBA48
[17179575.300000] ata1: dev 0 configured for UDMA/133
[17179576.636000] VP_IDE: VIA vt8237 (rev 00) IDE UDMA133 controller on pci0000:00:0f.1
[17179576.636000]     ide0: BM-DMA at 0xfc00-0xfc07, BIOS settings: hda:DMA, hdb:pio
[17179576.636000]     ide1: BM-DMA at 0xfc08-0xfc0f, BIOS settings: hdc:DMA, hdd:pio
[17179579.296000] hda: 160086528 sectors (81964 MB) w/2048KiB Cache, CHS=65535/16/63, UDMA(133)
[17179594.756000] parport0: PC-style at 0x378 (0x778), irq 7, dma 3 [PCSPP,TRISTATE,COMPAT,EPP,ECP,DMA]
[17179596.864000] ivtv0: Allocate DMA encoder MPEG stream: 128 x 32768 buffers (4096KB total)
[17179596.864000] ivtv0: Allocate DMA encoder YUV stream: 194 x 10800 buffers (2048KB total)
[17179596.864000] ivtv0: Allocate DMA encoder VBI stream: 120 x 17472 buffers (2048KB total)
[17179596.864000] ivtv0: Allocate DMA encoder PCM audio stream: 455 x 4608 buffers (2048KB total)
[17179600.428000] cdrom: hdc: mrw address space DMA selected
[17179604.284000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179604.284000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418311
[17179605.636000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179605.636000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418315
[17179606.984000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179606.984000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418319
[17179608.332000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179608.332000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418323
[17179609.680000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179609.680000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418327
[17179611.028000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179611.028000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418331
[17179612.380000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179612.380000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418335
[17179613.728000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179613.728000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418339
[17179615.076000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179615.076000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418343
[17179616.424000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179616.424000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418347
[17179617.776000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179617.776000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418351
[17179619.124000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179619.124000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418355
[17179620.472000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179620.472000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418359
[17179621.820000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179621.820000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418363
[17179623.168000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179623.168000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418367
[17179624.520000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179624.520000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418371
[17179625.868000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179625.868000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418375
[17179627.216000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179627.216000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418379
[17179628.564000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179628.564000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418383
[17179629.912000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179629.912000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418387
[17179631.264000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179631.264000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418391
[17179632.612000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179632.612000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418395
[17179633.960000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179633.960000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418399
[17179635.308000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179635.308000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418403
[17179636.660000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179636.660000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418407
[17179638.008000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179638.008000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418411
[17179639.356000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179639.356000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418415
[17179640.704000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179640.704000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418419
[17179642.052000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179642.052000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418423
[17179643.404000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179643.404000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418427
[17179644.752000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179644.752000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418431
[17179646.100000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179646.100000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418435
[17179647.448000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179647.448000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418439
[17179648.796000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179648.796000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418443
[17179650.148000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179650.148000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418447
[17179651.496000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179651.496000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418451
[17179652.844000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179652.844000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418455
[17179654.192000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179654.192000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418459
[17179655.544000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179655.544000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418463
[17179656.892000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179656.892000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418467
[17179658.240000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179658.240000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418471
[17179659.588000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179659.588000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418475
[17179660.936000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179660.936000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418479
[17179662.288000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179662.288000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418483
[17179663.636000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179663.636000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418487
[17179664.984000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179664.984000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418491
[17179666.332000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179666.332000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418495
[17179667.680000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179667.680000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418499
[17179669.032000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179669.032000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418503
[17179670.380000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179670.380000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418507
[17179671.728000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179671.728000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418511
[17179673.076000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179673.076000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418515
[17179674.424000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179674.424000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418519
[17179675.776000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179675.776000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418523
[17179677.124000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179677.124000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418527
[17179678.472000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179678.472000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418531
[17179679.820000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179679.820000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418535
[17179681.172000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179681.172000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418539
[17179682.520000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179682.520000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418543
[17179683.868000] hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
[17179683.868000] hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=6418550, sector=6418547
[17179686.232000] cdrom: hdc: mrw address space DMA selected
[17180513.544000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b
[17181218.084000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b
[17181489.244000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b
[17181595.656000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b
[17182063.088000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b
[17182084.712000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b
[17182190.320000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b
[17182212.444000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b
[17182241.808000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b
[17182293.012000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b
[17182594.568000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b
[17182659.532000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b
[17182750.220000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b
[17182758.268000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b
[17182759.032000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b
[17182759.228000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b
[17182834.912000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b
[17182858.632000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b
[17182869.232000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b
[17182897.560000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b
[17183019.176000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b
[17183019.384000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b
[17183194.188000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b
[17183305.660000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b
[17183346.592000] ivtv0 warning: ENC: (0) DMA Error 0x0000000b