From: Mark Lord <liml@rtr.ca>
To: Tejun Heo <tj@kernel.org>
Cc: khchen@synology.com, jgarzik@pobox.com, linux-ide@vger.kernel.org
Subject: Re: SATA port multiplier(Marvell 6121 with ahci) and Marvell 4140, simg 3726
Date: Fri, 29 Aug 2008 10:29:01 -0400 [thread overview]
Message-ID: <48B807AD.9020604@rtr.ca> (raw)
In-Reply-To: <48B7F969.7060600@kernel.org>
Tejun Heo wrote:
> KueiHuan Chen wrote:
>> Hi,
>>
>> Sorry for delay responding, here is my x86_64 with 2.6.26 dmesg and
>> lspci. ^__^
>
> Heh.. I out-delayed you. :-)
>
>> Dmesg: hotplug-in 3726 into 6145 , and the unplug, finally plug again
>> ata9: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xe frozen
>> ata9: irq_stat 0x02400000, PHY RDY changed
>> ata9: hard resetting link
>> ata9: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
>> ata9.15: qc timeout (cmd 0xe4)
>> ata9.15: failed to read PMP GSCR[0] (Emask=0x4)
>
> Heh.. failing PMP READs. Doesn't look like there's anything else to do
> than disabling it. Will post a patch.
..
No kernel timestamps there, but I do wonder if somehow
the driver is polling too soon for the PMP?
I wonder if a short delay in there, before issuing the PMP read,
might help (or not)?
next prev parent reply other threads:[~2008-08-29 14:29 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <788014650807302022j30cea641wcfe4105ac8702b8c@mail.gmail.com>
2008-07-31 10:00 ` SATA port multiplier(Marvell 6121 with ahci) and Marvell 4140, simg 3726 Tejun Heo
2008-07-31 10:03 ` Tejun Heo
2008-07-31 13:12 ` KueiHuan Chen
2008-08-01 2:05 ` Tejun Heo
2008-08-01 13:10 ` Mark Lord
2008-08-01 16:16 ` Tejun Heo
2008-08-02 17:53 ` KueiHuan Chen
2008-08-03 5:08 ` Tejun Heo
2008-08-05 8:54 ` KueiHuan Chen
2008-08-29 13:28 ` Tejun Heo
2008-08-29 14:29 ` Mark Lord [this message]
2008-08-29 14:38 ` Tejun Heo
2008-08-04 20:59 ` Grant Grundler
2008-08-04 20:58 ` Grant Grundler
2008-07-31 3:37 KueiHuan Chen
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