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Date:      Wed, 25 Apr 2007 21:24:38 +0200
From:      Max Laier <max@love2party.net>
To:        freebsd-current@freebsd.org
Cc:        Poul-Henning Kamp <phk@phk.freebsd.dk>
Subject:   Re: interface transmit-queue stalls
Message-ID:  <200704252124.45502.max@love2party.net>
In-Reply-To: <10480.1177526635@critter.freebsd.dk>
References:  <10480.1177526635@critter.freebsd.dk>

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[-- Attachment #1 --]
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 
interface queue (might stall in the socket layer already - does the 
forwarding path work?)?  What's your net.isr.direct setting?

> Is there any chance that for instance ifqueue->ifq_len might get
> out of sync ?

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

-- 
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