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From: Stephen Hemminger <stephen@networkplumber.org>
To: Eric Wheeler <nevdev@lists.ewheeler.net>
Cc: netdev@vger.kernel.org, rmody@brocade.com
Subject: Re: bna alloc_pages() order 2 failure in bnad.c bnad_rxq_refill_page()
Date: Mon, 29 Sep 2014 09:28:33 -0700	[thread overview]
Message-ID: <20140929092833.6c2cb7e9@urahara> (raw)
In-Reply-To: <alpine.DEB.2.00.1409271631530.26069@ware.dreamhost.com>

On Sat, 27 Sep 2014 16:44:22 -0700 (PDT)
Eric Wheeler <nevdev@lists.ewheeler.net> wrote:

> Hello all,
> 
> We're using the 10gbe bna card and sometimes we get pages and pages of 
> alloc_pages() failure backtraces like below.  (The maintainer 
> rmody@brocade.com does not appear to have an active email at brocade, but 
> cc'ing again just in case.)
> 
> It looks like bnad_rxq_refill_page() in bnad.c is allocating for the 
> receive queue but fails.  We've already tried bumping vm.min_free_kbytes 
> and vm.zone_reclaim_mode but it doesn't appear to help.
> 
> Suggestions?
> 
> Would it be appropriate to convert alloc_pages() to a mempool 
> implementation?
> 
> -Eric

Brocade sold the NIC hardware business off to Qlogic.
I told them to update MAINTAINERS but they haven't submitted a patch yet.

  reply	other threads:[~2014-09-29 16:28 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-27 23:44 bna alloc_pages() order 2 failure in bnad.c bnad_rxq_refill_page() Eric Wheeler
2014-09-29 16:28 ` Stephen Hemminger [this message]
2014-09-30  5:23   ` Shahed Shaikh
2014-10-07  1:57     ` [PATCH net] bna: page allocation during interrupts to use a mempool Eric Wheeler
2014-10-07  1:52       ` Eric Dumazet
2014-10-07  3:05         ` Eric Wheeler
2014-10-07  3:15           ` Eric Dumazet
2014-10-08  0:48             ` Eric Wheeler
2014-10-08  1:28               ` Eric Dumazet
2014-10-08 19:01                 ` Eric Wheeler
2014-10-08 19:04                   ` Eric Dumazet
2014-10-09  0:46                     ` Eric Wheeler
2014-10-08 19:07                 ` Eric Wheeler
2014-10-08 21:28                 ` Rasesh Mody
2014-10-09  0:50                   ` Eric Wheeler
2014-10-07  4:04           ` Eric Dumazet

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