Re: SAS disk from RAID card (no RAID mode) problems

[Jes Sorensen <Jes.Sorensen@redhat.com>]

IW News <news@imagedworld.com> writes:
> Hello,
>
> First message here.
>
> After looking for a solution without any luck I have found this
> list. I hope someone can help me with this.
>
> I have an ASUS P6T Deluxe with a MARVELL 88SE63xx SAS RAID controller.
> There are to identical 400GB SAS SSD drives attached to it. One of
> them has a Windows 10 installation, the other one Linux.
> Grub is installed on the second disk.
>
> Windows works as expected, but I have problems with the Linux
> installation: the desktop environment freezes for some second once in
> a while. This occurs with Mint Cinnamon, OpenSuSe KDE, Ubuntu and
> Manjaro KDE. All of them are current installations. I'm now working in
> up to date Manjaro KDE (kernel 4.9.0).
> When the temporary freezes occur the mouse pointer moves, some windows
> are updated correctly, other do not and DE stops working.
> When this happens always I have a system log like this:
>
> ______________________________________________________
> 23/12/16 8:29    kernel    sas: Enter sas_scsi_recover_host busy: 6
> failed: 6
> 23/12/16 8:29    kernel    sas: trying to find task 0xffff8bda8d2bd900
> 23/12/16 8:29    kernel    sas: sas_scsi_find_task: aborting task
> 0xffff8bda8d2bd900
> 23/12/16 8:29    kernel    sas: task done but aborted
> 23/12/16 8:29    kernel    sas: sas_scsi_find_task: task
> 0xffff8bda8d2bd900 is done
> 23/12/16 8:29    kernel    sas: sas_eh_handle_sas_errors: task
> 0xffff8bda8d2bd900 is done
[snip]
> Sometimes shorter sometimes larger.
> It looks like a controller/drive/cable problem?
> Any thoughts?

Doesn't look like a Linux RAID issue, but much more like a driver
problem. Possibly caused by cables or controller issues.

You probably want to reach out to the linux-scsi list.

Jes