Hola:
Tengo un disco conectado por sata, que uso como copia de seguridad, que
me está fallando. He cambiado el cable y el puerto y sigue fallando.
Smartcl me dice que el disco está bien así que no sé por dónde seguir buscando el error.

journalctl -b -0 -p 3 me da esta salida:

oct 28 14:10:29 torre kernel: ata6.00: irq_stat 0x00400000, PHY RDY changed
oct 28 14:10:29 torre kernel: ata6: SError: { RecovComm HostInt
PHYRdyChg PHYInt 10B8B }
oct 28 14:10:29 torre kernel: ata6.00: failed command: READ FPDMA QUEUED
oct 28 14:10:29 torre kernel: ata6.00: cmd
60/08:28:08:00:00/00:00:00:00:00/40 tag 5 ncq dma 4096 in
res
40/00:28:08:00:00/00:00:00:00:00/40 Emask 0x50 (ATA bus error)
oct 28 14:10:29 torre kernel: ata6.00: status: { DRDY }
oct 28 14:10:29 torre kernel: I/O error, dev sda, sector 8 op 0x0:(READ)
flags 0x80700 phys_seg 1 prio class 2
oct 28 14:10:29 torre kernel: ata6.00: exception Emask 0x50 SAct 0x40
SErr 0xb0802 action 0xe frozen
oct 28 14:10:29 torre kernel: ata6.00: irq_stat 0x00400000, PHY RDY changed
oct 28 14:10:29 torre kernel: ata6: SError: { RecovComm HostInt
PHYRdyChg PHYInt 10B8B }
oct 28 14:10:29 torre kernel: ata6.00: failed command: READ FPDMA QUEUED
oct 28 14:10:29 torre kernel: ata6.00: cmd
60/08:30:a8:6d:70/00:00:74:00:00/40 tag 6 ncq dma 4096 in
res
40/00:30:a8:6d:70/00:00:74:00:00/40 Emask 0x50 (ATA bus error)
oct 28 14:10:29 torre kernel: ata6.00: status: { DRDY }
oct 28 14:10:29 torre kernel: I/O error, dev sda, sector 1953525160 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
oct 28 14:10:29 torre kernel: ata6.00: exception Emask 0x50 SAct
0x1000000 SErr 0xb0802 action 0xe frozen
oct 28 14:10:29 torre kernel: ata6.00: irq_stat 0x00400000, PHY RDY changed
oct 28 14:10:29 torre kernel: ata6: SError: { RecovComm HostInt
PHYRdyChg PHYInt 10B8B }
oct 28 14:10:29 torre kernel: ata6.00: failed command: READ FPDMA QUEUED
oct 28 14:10:29 torre kernel: ata6.00: cmd
60/08:c0:40:00:00/00:00:00:00:00/40 tag 24 ncq dma 4096 in
res
40/00:c0:40:00:00/00:00:00:00:00/40 Emask 0x50 (ATA bus error)
oct 28 14:10:29 torre kernel: ata6.00: status: { DRDY }
oct 28 14:10:29 torre kernel: I/O error, dev sda, sector 64 op
0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
oct 28 14:10:29 torre kernel: ata6.00: exception Emask 0x50 SAct 0x1
SErr 0xb0802 action 0xe frozen
oct 28 14:10:29 torre kernel: ata6.00: irq_stat 0x00400000, PHY RDY changed
oct 28 14:10:29 torre kernel: ata6: SError: { RecovComm HostInt
PHYRdyChg PHYInt 10B8B }
oct 28 14:10:29 torre kernel: ata6.00: failed command: READ FPDMA QUEUED
oct 28 14:10:29 torre kernel: ata6.00: cmd
60/08:00:00:01:00/00:00:00:00:00/40 tag 0 ncq dma 4096 in
res
40/00:00:00:01:00/00:00:00:00:00/40 Emask 0x50 (ATA bus error)
oct 28 14:10:29 torre kernel: ata6.00: status: { DRDY }
oct 28 14:10:29 torre kernel: I/O error, dev sda, sector 256 op
0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
oct 28 14:10:29 torre kernel: ata6.00: exception Emask 0x50 SAct 0x10
SErr 0x30802 action 0xe frozen
oct 28 14:10:29 torre kernel: ata6.00: irq_stat 0x00400000, PHY RDY changed
oct 28 14:10:29 torre kernel: ata6: SError: { RecovComm HostInt
PHYRdyChg PHYInt }
oct 28 14:10:29 torre kernel: ata6.00: failed command: READ FPDMA QUEUED
oct 28 14:10:29 torre kernel: ata6.00: cmd
60/08:20:00:02:00/00:00:00:00:00/40 tag 4 ncq dma 4096 in
res
40/00:20:00:02:00/00:00:00:00:00/40 Emask 0x50 (ATA bus error)
oct 28 14:10:29 torre kernel: ata6.00: status: { DRDY }
oct 28 14:10:29 torre kernel: I/O error, dev sda, sector 512 op
0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
oct 28 14:10:29 torre systemd-udevd[381]: /etc/udev/rules.d/60-brother-brscan4-libsane-type1.rules:9 Invalid key
'SYSFS'
oct 28 14:10:29 torre systemd-udevd[381]: /etc/udev/rules.d/60-brother-libsane-type1.rules:17 Invalid key 'SYSFS'
oct 28 14:10:29 torre kernel: ata6.00: exception Emask 0x50 SAct 0x10000
SErr 0x30802 action 0xe frozen
oct 28 14:10:29 torre kernel: ata6.00: irq_stat 0x00400000, PHY RDY changed
oct 28 14:10:29 torre kernel: ata6: SError: { RecovComm HostInt
PHYRdyChg PHYInt }
oct 28 14:10:29 torre kernel: ata6.00: failed command: READ FPDMA QUEUED
oct 28 14:10:29 torre kernel: ata6.00: cmd
60/08:80:00:0c:00/00:00:00:00:00/40 tag 16 ncq dma 4096 in
res
40/00:80:00:0c:00/00:00:00:00:00/40 Emask 0x50 (ATA bus error)
oct 28 14:10:29 torre kernel: ata6.00: status: { DRDY }
oct 28 14:10:29 torre kernel: kvm: support for 'kvm_amd' disabled by bios


¿Alguna idea?

Saludos

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