Ошибки при загрузке Debian 8 после подключения USB-картридера

[hitkliv]

Пожалуйста, посоветуйте решение!

Подключил USB-картридер к маме. Включил. Загрузил. Дал команду dmesg. Получил вот это:

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[ 27.033938] ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 27.036636] ata4.00: configured for UDMA/100
[ 27.037093] ata4: EH complete
[ 27.042007] ata4.00: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0x6 frozen
[ 27.042018] ata4.00: irq_stat 0x08000000, interface fatal error
[ 27.042030] sr 3:0:0:0: CDB:
[ 27.042035] Get event status notification: 4a 01 00 00 10 00 00 00 08 00
[ 27.042059] ata4.00: cmd a0/00:00:00:08:00/00:00:00:00:00/a0 tag 30 pio 16392 in res 51/20:03:00:00:00/00:00:00:00:00/a0 Emask 0x10 (ATA bus error)
[ 27.042067] ata4.00: status: { DRDY ERR }
[ 27.042075] ata4: hard resetting link
[ 31.386795] userif-2: sent link down event.
[ 31.386805] userif-2: sent link up event.
[ 32.577528] ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 32.580212] ata4.00: configured for UDMA/100
[ 32.580496] ata4: EH complete
[ 69.714985] ata4: limiting SATA link speed to 1.5 Gbps
[ 69.714999] ata4.00: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0x6 frozen
[ 69.715006] ata4.00: irq_stat 0x08000000, interface fatal error
[ 69.715017] sr 3:0:0:0: CDB:
[ 69.715021] Get event status notification: 4a 01 00 00 10 00 00 00 08 00
[ 69.715045] ata4.00: cmd a0/00:00:00:08:00/00:00:00:00:00/a0 tag 22 pio 16392 in res 50/00:03:00:08:00/00:00:00:00:00/a0 Emask 0x10 (ATA bus error)
[ 69.715053] ata4.00: status: { DRDY }
[ 69.715062] ata4: hard resetting link
[ 70.206941] ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[ 70.209728] ata4.00: configured for UDMA/100
[ 70.210045] ata4: EH complete
[ 76.214518] ata4.00: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0x6 frozen
[ 76.214529] ata4.00: irq_stat 0x08000000, interface fatal error
[ 76.214541] sr 3:0:0:0: CDB:
[ 76.214545] Get event status notification: 4a 01 00 00 10 00 00 00 08 00
[ 76.214570] ata4.00: cmd a0/00:00:00:08:00/00:00:00:00:00/a0 tag 25 pio 16392 in res 50/00:03:00:08:00/00:00:00:00:00/a0 Emask 0x10 (ATA bus error)
[ 76.214577] ata4.00: status: { DRDY }
[ 76.214585] ata4: hard resetting link
[ 81.746102] ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[ 81.748813] ata4.00: configured for UDMA/100
[ 81.749139] ata4: EH complete
[ 85.753818] ata4.00: exception Emask 0x10 SAct 0x0 SErr 0x400000 action 0x6 frozen
[ 85.753828] ata4.00: irq_stat 0x08000000, interface fatal error
[ 85.753836] ata4: SError: { Handshk }
[ 85.753846] sr 3:0:0:0: CDB:
[ 85.753850] Get event status notification: 4a 01 00 00 10 00 00 00 08 00
[ 85.753874] ata4.00: cmd a0/00:00:00:08:00/00:00:00:00:00/a0 tag 27 pio 16392 in res 50/00:03:00:08:00/00:00:00:00:00/a0 Emask 0x10 (ATA bus error)
[ 85.753881] ata4.00: status: { DRDY }
[ 85.753889] ata4: hard resetting link
[ 86.245775] ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[ 86.248451] ata4.00: configured for UDMA/100
[ 86.248861] ata4: EH complete
[ 96.253073] ata4.00: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0x6 frozen
[ 96.253083] ata4.00: irq_stat 0x08000000, interface fatal error
[ 96.253091] sr 3:0:0:0: CDB:
[ 96.253095] Get event status notification: 4a 01 00 00 10 00 00 00 08 00
[ 96.253118] ata4.00: cmd a0/00:00:00:08:00/00:00:00:00:00/a0 tag 1 pio 16392 in res 50/00:03:00:08:00/00:00:00:00:00/a0 Emask 0x10 (ATA bus error)
[ 96.253124] ata4.00: status: { DRDY }
[ 96.253133] ata4: hard resetting link
[ 101.784682] ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[ 101.787474] ata4.00: configured for UDMA/100
[ 101.787784] ata4: EH complete
[ 123.791125] ata4.00: limiting speed to UDMA/66:PIO4
[ 123.791137] ata4.00: exception Emask 0x10 SAct 0x0 SErr 0x400000 action 0x6 frozen
[ 123.791144] ata4.00: irq_stat 0x08000000, interface fatal error
[ 123.791151] ata4: SError: { Handshk }
[ 123.791159] sr 3:0:0:0: CDB:
[ 123.791163] Get event status notification: 4a 01 00 00 10 00 00 00 08 00
[ 123.791187] ata4.00: cmd a0/00:00:00:08:00/00:00:00:00:00/a0 tag 12 pio 16392 in res 50/00:03:00:08:00/00:00:00:00:00/a0 Emask 0x10 (ATA bus error)
[ 123.791194] ata4.00: status: { DRDY }
[ 123.791203] ata4: hard resetting link
[ 124.283077] ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[ 124.283138] ata4.00: failed to IDENTIFY (I/O error, err_mask=0x100)
[ 124.283147] ata4.00: revalidation failed (errno=-5)
[ 129.282722] ata4: hard resetting link
[ 134.814344] ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[ 134.817010] ata4.00: configured for UDMA/66
[ 134.817370] ata4: EH complete
[ 175.879482] ata4.00: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0x6 frozen
[ 175.879494] ata4.00: irq_stat 0x08000000, interface fatal error
[ 175.879505] sr 3:0:0:0: CDB:
[ 175.879510] Get event status notification: 4a 01 00 00 10 00 00 00 08 00
[ 175.879534] ata4.00: cmd a0/00:00:00:08:00/00:00:00:00:00/a0 tag 5 pio 16392 in res 50/00:03:00:00:00/00:00:00:00:00/a0 Emask 0x10 (ATA bus error)
[ 175.879542] ata4.00: status: { DRDY }
[ 175.879551] ata4: hard resetting link
[ 181.411036] ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[ 181.413828] ata4.00: configured for UDMA/66
[ 181.414235] ata4: EH complete
[ 189.426473] ata4.00: limiting speed to UDMA/33:PIO4
[ 189.426486] ata4.00: exception Emask 0x10 SAct 0x0 SErr 0x400001 action 0x6 frozen
[ 189.426494] ata4.00: irq_stat 0x08000000, interface fatal error
[ 189.426502] ata4: SError: { RecovData Handshk }
[ 189.426512] sr 3:0:0:0: CDB:
[ 189.426517] Get event status notification: 4a 01 00 00 10 00 00 00 08 00
[ 189.426541] ata4.00: cmd a0/00:00:00:08:00/00:00:00:00:00/a0 tag 11 pio 16392 inres 50/00:03:00:08:00/00:00:00:00:00/a0 Emask 0x10 (ATA bus error)
[ 189.426549] ata4.00: status: { DRDY }
[ 189.426557] ata4: hard resetting link

Карточки-то читаются... Но, как с этим жить? Чуть ПК притормаживать стал...

Подскажите, пожалуйста, как разрулить этот конфликт!!!?

УПС! Уже решил... ТУПО, но быстро
1. Отключил включенный мной-же (см. топик https://debianforum.ru/index.php?topic=10496.0 ) iommu=soft в /etc/default/grub. Обновил grub (#sudo update-grub)
2. Выключил комп, и отключил USB-картридер
3. Включил комп, вошел в биос и включил опцию IOMMO controller: Enabled
4. Перезагрузился в Debian, удостоверился, что указанные выше ошибки исчезли и появились те, что связаны с включением IOMMO-контроллера.
5. Выключил комп, подключил USB-картридер, загрузился, удостоверился, что лог остался не изменным, а карточки и флешки читаются во всех слотах картридера
6. Вернул обратно ommu=soft в /etc/default/grub. Обновил grub (#sudo update-grub).
7. Перезагрузирся и вошел в биос. Отключил опцию IOMMO controller: Disabled
8. Загрузился...

Вуаля! Лог загрузки снова девственно чист... и все работает и не тормозит!!! 

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