netdev - Re: Sundance network driver (D-Link DFE-580TX) timeouts rendering interface unusable

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Message-ID: <1327934477.5400.448.camel@deadeye>
Date:	Mon, 30 Jan 2012 14:41:17 +0000
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Denis Kirjanov <kirjanov@...il.com>,
	"Mike ." <mike-bugreport@...mail.com>, 656476@...s.debian.org,
	netdev <netdev@...r.kernel.org>
Subject: Re: Sundance network driver (D-Link DFE-580TX) timeouts rendering
 interface unusable

On Mon, 2012-01-30 at 15:28 +0100, Eric Dumazet wrote:
> Le lundi 30 janvier 2012 à 14:05 +0000, Ben Hutchings a écrit :
> 
> > Yes, I spotted that.  But no descriptors are pushed to the hardware
> > here; that's done in the driver's TX tasklet.  Although... maybe that
> > can run immediately when scheduled from here?  I've never had to deal
> > with tasklets so I really don't know their semantics.
> 
> Thats probable on SMP ...

The bug report is for a UP system running a kernel built with
SMP-alternatives.

Ben.

-- 
Ben Hutchings
Lowery's Law:
             If it jams, force it. If it breaks, it needed replacing anyway.

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