linux-kernel - Re: stuck in megaraid_sas.c megasas_adp_reset

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Date:	Wed, 11 Apr 2012 13:57:21 -0700
From:	adam radford <aradford@...il.com>
To:	thomas@...llstrom.ca
Cc:	lkml <linux-kernel@...r.kernel.org>, linux-scsi@...r.kernel.org
Subject: Re: stuck in megaraid_sas.c megasas_adp_reset_gen2

On Wed, Apr 11, 2012 at 1:17 PM, Thomas Fjellstrom <thomas@...llstrom.ca> wrote:
>>
>> ADP_RESET_GEN2: HostDiag=a0
>>
>> followed by a bunch of:
>>
>> RESET_GEN2: retry=%x, hostdiag=a4
>>
>> Now I'm not sure the hostdiag should be different between the two. if this
>> aN identifier is similar to the aN identifiers in the MegaCli tool, then
>> it would mean its trying to reset a device that doesn't exist? I only have
>> a single M1015 card installed.

host diag register output a0 or a4 has absolutely nothing to do with
MegaCli -aN command line argument for specifying adapter number.

> I just got a second M1015 card in today and gave it a go. Similar issues,
> different log messages. (hand typed from picture taken of screens)
>
> Lots of:
>
> megasas: Waiting for 1 commands to complete

Can you try booting with kernel command line argument pcie_aspm=off

-Adam
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