[Linux-PowerEdge] PERC H200: I/O error with Linux kernel >= 4.4?

Marco Bozzolan mailbox at s19n.net
Fri Aug 4 04:34:14 CDT 2017


* Marco Bozzolan <mailbox at s19n.net> [2016 10 20, 17:00]:
> The system boots up, but I am seeing I/O errors under heavy load on a
> C5220 and Ubuntu 16.04; dmesg reports "fault_state(0x265d)", and after
> what seems a controller reset, the disk device (sda) disappears and
> the filesystem is remounted read-only.

I noticed the issue was only shown when using ST9900805SS disks on that 
controller.

Upgrading their firmware to release CS0C and adding 
"mpt3sas.msix_disable=1" to kernel boot parameters seems to solve the 
problem.

-- 
https://s19n.net



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