[Bug 229745] ahcich: CAM status: Command timeout

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 22 Jul 2022 11:38:25 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=229745

Daniel Menelkir <dmenelkir@gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |dmenelkir@gmail.com

--- Comment #61 from Daniel Menelkir <dmenelkir@gmail.com> ---
I can confirm that, I was xz a 2Gb file and suddenly the device gave up. 
The device is fine, smartctl with long test is also fine. The device became
inacessible and only a hard reboot solves.
Here's the log I had:

ahcich1: Timeout on slot 2 port 0
ahcich1: is 00000000 cs 01fffff0 ss 01fffffc rs 01fffffc tfd 40 serr 00000000
cmd 0000c317
(ada1:ahcich1:0:0:0): WRITE_FPDMA_QUEUED. ACB: 61 e0 00 3c 10 40 1b 00 00 05 00
00
(ada1:ahcich1:0:0:0): CAM status: Command timeout
(ada1:ahcich1:0:0:0): Retrying command, 3 more tries remain
ahcich1: AHCI reset: device not ready after 31000ms (tfd = 00000080)
ahcich1: Timeout on slot 25 port 0
ahcich1: is 00000000 cs 02000000 ss 00000000 rs 02000000 tfd 80 serr 00000000
cmd 0000d917
(aprobe0:ahcich1:0:0:0): ATA_IDENTIFY. ACB: ec 00 00 00 00 40 00 00 00 00 00 00
(aprobe0:ahcich1:0:0:0): CAM status: Command timeout
(aprobe0:ahcich1:0:0:0): Retrying command, 0 more tries remain
ahcich1: AHCI reset: device not ready after 31000ms (tfd = 00000080)

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