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Date:      Thu, 1 Jun 2017 08:50:37 -0600
From:      Stephen Mcconnell <stephen.mcconnell@broadcom.com>
To:        Harry Schmalzbauer <freebsd@omnilan.de>, freebsd-scsi@freebsd.org,  Scott Long <scottl@freebsd.org>
Subject:   RE: mps(4) blocks panic-reboot
Message-ID:  <12a36df9eff99c77ec621987efbe75fe@mail.gmail.com>
In-Reply-To: <592FDE8C.1090609@omnilan.de>
References:  <592FDE8C.1090609@omnilan.de>

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

Steve

> -----Original Message-----
> From: owner-freebsd-scsi@freebsd.org [mailto:owner-freebsd-
> scsi@freebsd.org] On Behalf Of Harry Schmalzbauer
> Sent: Thursday, June 01, 2017 3:30 AM
> To: freebsd-scsi@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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