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Date: Wed, 27 Apr 2011 20:45:00 +0200
Message-ID: <BANLkTi=hmoEF69QHNqqnQERVqK9Udsh9Vg@mail.gmail.com>
From: Olivier Smedts <olivier@gid0.org>
To: Mike Tancsa <mike@sentex.net>
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Cc: Jack Vogel <jfvogel@gmail.com>,
	FreeBSD current mailing list <current@freebsd.org>
Subject: Re: problems with em(4) since update to driver 7.2.2
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2011/4/27 Mike Tancsa <mike@sentex.net>:
> On 4/27/2011 2:35 PM, Olivier Smedts wrote:
>> 2011/4/27 Jack Vogel <jfvogel@gmail.com>:
>>> If you get "cannot setup receive structures" you cannot go on and try t=
o
>>> use the thing :) It means you have inadequate mbuf clusters to setup
>>> your receive side, you simply have to increase it and reload the driver=
.
>>
>> Thanks for your answer. I'll try and let you know if this works, but
>> why don't have I enough mbuf clusters ? Isn't this driver supposed to
>> just work out of the box on a nearly GENERIC (but with network devices
>> as modules) =A0kernel ?
>
> Are you testing with what is in HEAD ? ie. 7.2.3 or something else ?
> Your subject line implies something else.

I'm using what's in HEAD since r219753, the commit which updated the
em driver from version 7.1.9 to 7.2.2 and broke it at least for me.

>From the commit log :
"This improves the RX mbuf handling to avoid system hang due to depletion."
Well... not improved for everyone ;)

Sorry if the subject wasn't clear.

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