mps(4) blocks panic-reboot

Stephen Mcconnell stephen.mcconnell at broadcom.com
Thu Jun 1 14:50:39 UTC 2017


Scott, did you have a fix for this some time back?

Steve

> -----Original Message-----
> From: owner-freebsd-scsi at freebsd.org [mailto:owner-freebsd-
> scsi at freebsd.org] On Behalf Of Harry Schmalzbauer
> Sent: Thursday, June 01, 2017 3:30 AM
> To: freebsd-scsi at freebsd.org
> Subject: mps(4) blocks panic-reboot
>
>  Hello,
>
> I'm not sure if scsi@ is the correct list, but since my problem seems to
be mps(4)
> related, I thought asking here shouldn't be too wrong.
>
> There's not much to add to the topic: If my stable/11 setup panics, the
system
> doesn't reboot (besides IPMI-watchdog takes over this task).
> The machine stucks with these last lines:
> Dumping 1669 out of 15734
> MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91%
> Dump complete
> mps0: Sending StopUnit: path (xpt0:mps0:0:2:ffffffff):  handle 12
> mps0: Incrementing SSU count
> mps0: Sending StopUnit: path (xpt0:mps0:0:3:ffffffff):  handle 11
> mps0: Incrementing SSU count
> mps0: Sending StopUnit: path (xpt0:mps0:0:4:ffffffff):  handle 10
> mps0: Incrementing SSU count
> mps0: Sending StopUnit: path (xpt0:mps0:0:5:ffffffff):  handle 9
> mps0: Incrementing SSU count
> mps0: Sending StopUnit: path (xpt0:mps0:0:6:ffffffff):  handle 13
> mps0: Incrementing SSU count
>
> Then, nothing happens. On a similar setup without mps(4), the machine
reboots
> after the panic.
>
> Is this a known problem/feature?
>
> Thanks,
>
> -harry
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