[Bug 229745] ahcich: CAM status: Command timeout

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 22 Jul 2022 21:21:20 UTC

--- Comment #64 from Chris <chris@tellme3times.com> ---
This is a hardware issue. I have 5 Western Digital Ultrastar Data Center Hard
drives that show up as HGST with camcontrol. The errors popped up when I
upgraded to 12.2 and stopped by adding vfs.zfs.cache_flush_disable=1 in
/boot/loader.conf. The error returned when I just updated to 13.1.

I replaced the 5 drives and I have a stable system again. If I have a chance I
will test the drives on another system just to see if it is a compatibility
issue with the SATA controller.

I agree with Warner Losh since the system feels more responsive after replacing
the drives and removing vfs.zfs.cache_flush_disable=1 in /boot/loader.conf.

This is a hardware issue. Possibly a compatibility issue.

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