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After the latest system update it seems my DVD device fails to identify.
The kernel version is 4.5.4-1-ARCH.
May 13 12:04:15 Arch kernel: ata6: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
May 13 12:04:15 Arch kernel: ata6.00: ATAPI: Optiarc DVD RW AD-7240S, 1.03, max UDMA/100
May 13 12:04:15 Arch kernel: ata6.00: failed to IDENTIFY (I/O error, err_mask=0x100)
May 13 12:04:15 Arch kernel: ata6.00: revalidation failed (errno=-5)
May 13 12:04:15 Arch kernel: floppy0: no floppy controllers found
May 13 12:04:15 Arch kernel: work still pending
May 13 12:04:15 Arch kernel: ata6: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
May 13 12:04:15 Arch kernel: ata6.00: failed to IDENTIFY (I/O error, err_mask=0x100)
May 13 12:04:15 Arch kernel: ata6.00: revalidation failed (errno=-5)
May 13 12:04:15 Arch kernel: ata6: limiting SATA link speed to 1.5 Gbps
May 13 12:04:15 Arch kernel: ata6: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
May 13 12:04:16 Arch kernel: ata6.00: configured for UDMA/100
May 13 12:04:16 Arch kernel: ata6.00: qc timeout (cmd 0xa0)
May 13 12:04:16 Arch kernel: ata6.00: TEST_UNIT_READY failed (err_mask=0x4)
May 13 12:04:16 Arch kernel: ata6.00: disabled
May 13 12:04:16 Arch kernel: ata6: exception Emask 0x40 SAct 0x0 SErr 0x880800 action 0x6 frozen t4
May 13 12:04:16 Arch kernel: ata6: SError: { HostInt 10B8B LinkSeq }
May 13 12:04:16 Arch kernel: ata6: hard resetting link
May 13 12:04:16 Arch kernel: ata6: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
May 13 12:04:16 Arch kernel: ata6: EH complete
Is this a hardware problem or a kernel bug?
Thanks
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