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Date: Mon, 4 Mar 2013 12:13:48 -0800
Message-ID: <CAKOb=YZhj9wx7NLSKFGmFhX2fa57u99W2o3La-vvbuKLDRMCkQ@mail.gmail.com>
Subject: Re: igb network lockups
From: Nick Rogers <ncrogers@gmail.com>
To: Jack Vogel <jfvogel@gmail.com>
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Cc: Sepherosa Ziehau <sepherosa@gmail.com>,
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 "Christopher D. Harrison" <harrison@biostat.wisc.edu>
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On Mon, Mar 4, 2013 at 10:22 AM, Jack Vogel <jfvogel@gmail.com> wrote:
>
>>
>> Thanks. So on FreeBSD 9.1-RELEASE it is advisable to set
>> hw.em.enable_msix=0 for 82574L? Are there other em(x) NICs where this
>> is advisable?
>>
>
> As I explained in a previous email, this is not advisable unless you are
> experiencing problems (like hangs), if you are then its one possible
> cause, so try falling back to MSI to see if it eliminates your problem.
>
> And, 82574 is the only devise the em driver supports at present that is
> capable of MSIX, all others use the igb driver.
>

Jack, thanks for clarifying. Its much appreciated.

> Regards,
>
> Jack
>