Re: tg3 in 2.6.12-rc6 and Cisco PIX SMTP fixup

From: Willy Tarreau
Date: Thu Jun 16 2005 - 23:48:25 EST

On Fri, Jun 17, 2005 at 02:05:28AM +0200, Lars Roland wrote:
> On 6/17/05, Christian Kujau <evil@xxxxxxxxxx> wrote:
> > Lars Roland schrieb:
> > > It does not seams to be limited to braodcom cards. 3com and Intel e100
> > > cards does the exact same stunt on kernels never than Intel
> > > e1000 and realtek 8139 cards do however work.
> >
> > hm - tricky, i think. because no kernel oopses, nothing to look at in the
> > syslog (yes?),
> Nothing anywhere, even tcpdump just seams to get cut off - I have not
> been debugging ethernet drivers for years, getting a little rusty at
> that, so nothing there yet.
> > various nic drivers affected, others cases like
> > these only Documentation/BUG-HUNTING comes to my mind: if works,
> > and 2.6.12-rc6 does not, we'll need to find out the kernelversion which
> > introduced this behaviour.
> That I can give you, kernel works but 2.6.9 does not (at least
> not with tg3 and tulip cards).

Maybe some checksumming code has changed, and some of the packets which
are checksummed by the hardware get wrong on the wire ?


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