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I have a strange hard drive error that is happening about once per second. Googling I see that people are suggesting: 1. a bad SATA cable, or 2. a bad PSU. Does anyone have any experience with this? Seems very unlikely that a bad SATA cable can actually happen.

[   44.024915] ata4: irq_stat 0x00000040, connection status changed
[   44.024918] ata4: SError: { CommWake DevExch }
[   44.024922] ata4: hard resetting link
[   46.243456] ata4: SATA link down (SStatus 1 SControl 300)
[   46.243468] ata4: EH complete
[   46.260369] ata4: exception Emask 0x10 SAct 0x0 SErr 0x4040000 action 0xe frozen
MadProgrammer
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2 Answers2

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As shown in the "sata line down", your hard drive or SATA cable is damaged. This can happen. Try to reconnect it or try a different SATA port. If all else fails, you may have a faulty hard drive. Use lsblk to list it to ensure proper detection, or try another OS if on mulit-boot. All cables can get damaged through a certain conditions unique to the type.

Cosmonarium
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Bad cable. See this archlinux bbs post.

FYI cables and PSUs can and do both often go bad.

Dia
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