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Date:      Wed, 25 Apr 2007 19:30:23 +0000
From:      "Poul-Henning Kamp" <phk@phk.freebsd.dk>
To:        Max Laier <max@love2party.net>
Cc:        freebsd-current@freebsd.org
Subject:   Re: interface transmit-queue stalls 
Message-ID:  <10663.1177529423@critter.freebsd.dk>
In-Reply-To: Your message of "Wed, 25 Apr 2007 21:24:38 %2B0200." <200704252124.45502.max@love2party.net> 

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In message <200704252124.45502.max@love2party.net>, Max Laier writes:

>On Wednesday 25 April 2007 20:43, Poul-Henning Kamp wrote:
>> Am I the only one who sees transmit queue stalls in -current ?
>>
>> The interface, ath and tun so far, receive just fine, but transmits
>> fail to even enter the queue.
>
>Do you get ENOBUFS for local sends?  Are you sure it gets down to the=20
>interface queue (might stall in the socket layer already - does the=20
>forwarding path work?)?  What's your net.isr.direct setting?

All settings are default, no ALTQ and I don't have much debugging
output, because I can't find a way to pull it out.

ifconfig down/up seems to help.

>Does an ifconfig down/up cycle help the situation?  I don't see any=20
>commits in that area lately.  Do you have ALTQ?

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.



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