Re: [git patches] net driver fixes

[Stephen Hemminger <shemminger@osdl.org>]

Wolfgang Hoffmann wrote:
> On Friday 24 February 2006 06:22, Jeff Garzik wrote:
>   
> > Please pull from 'upstream-fixes' branch of
> > master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6.git
> >
> > [...]
> > Stephen Hemminger:
> >       sky2: yukon-ec-u chipset initialization
> >       sky2: limit coalescing values to ring size
> >       sky2: poke coalescing timer to fix hang
> >       sky2: force early transmit status
> >       sky2: use device iomem to access PCI config
> >       sky2: close race on IRQ mask update.
> > [...]
> >     
>
> Thanks for the update.
>
> Still I'm seeing reproducable hangs with this version of sky2 (as reported in 
> bugzilla 6084 and discussed on netdev).
>
> Stephen, if there is anything I can do to narrow down my hangs a bit more 
> systematically, please let me know, I'd be happy to help.
>
> Wolfgang
>   
There is an outstanding bug where the sky2 will hang if it receives a 
packet larger than the
MTU.  At this point, there isn't enough information on chip behavior to fix.

You could try using a larger mut or patching the driver so that the 
rx_buffer_size is always big (like 4k).
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