From: Hannes Reinecke <hare@suse.de>
To: James Smart <james.smart@avagotech.com>, linux-scsi@vger.kernel.org
Subject: Re: [PATCH 8/9] lpfc: Fix to drop PLOGIs from fabric node till LOGO processing completes
Date: Mon, 25 May 2015 17:21:02 +0200 [thread overview]
Message-ID: <55633DDE.40302@suse.de> (raw)
In-Reply-To: <555f4063.eNa6hhtd/lAYXugc%james.smart@avagotech.com>
On 05/22/2015 04:42 PM, James Smart wrote:
>
> Fix to drop PLOGIs from fabric node till LOGO processing completes
>
> The domain controller PLOGI's concurrent with prior LOGO's/unreg_rpi's
> completing created a race condition where driver rpi ref count can
> inadvertantly hit 0 and the rpi attempted to be freed. This error
> sometimes resulted in Warning messages indicating kref.h via
> lfpc_nlp_get+0x128.
>
> Correct by dropping any new PLOGI until the prior nport state has settled.
>
> Signed-off-by: Dick Kennedy <dick.kennedy@avagotech.com>
> Signed-off-by: James Smart <james.smart@avagotech.com>
> ---
Reviewed-by: Hannes Reinecke <hare@suse.de>
Cheers,
Hannes
--
Dr. Hannes Reinecke zSeries & Storage
hare@suse.de +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg)
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prev parent reply other threads:[~2015-05-25 15:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-22 14:42 [PATCH 8/9] lpfc: Fix to drop PLOGIs from fabric node till LOGO processing completes James Smart
2015-05-24 20:32 ` Sebastian Herbszt
2015-05-25 15:21 ` Hannes Reinecke [this message]
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