Re: Problem found: kaweth fails to work on 2.6.12-rc[456]

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Oliver Neukum wrote:
> Am Sonntag, 12. Juni 2005 02:41 schrieb Wakko Warner:
> > After doing some testing, I believe a patch that went into rc4 broke kaweth.
> > The kaweth driver itself did not change from rc2 through rc6.
> > 
> > As a test, I reverted a patch that went into rc4 which modified
> > net/core/link_watch.c.  Once I compiled the kernel, my netgear EA101 works
> > again.
> > 
> > The above is not cut'n'paste.  There was 1 other addition (an include) that
> > I removed from the patch inorder to revert it.  The patch above was applied
> > to 2.6.12-rc6 using -Rp1.  This is why I believe that kaweth is broken. 
> > With my limited understanding of the kernel, it would appear that kaweth
> > doesn't support netif_carrier_ok properly.  
> > Anyway, I found what caused it to break, but at this point, I do not have
> > the required knowledge to do a proper fix.
> 
> static void int_callback(struct urb *u, struct pt_regs *regs)
> is supposed to handle the link state. Maybe it fails in your case. Could you
> add a printk to this callback to check linkstate?

I don't believe my case is very specific.  I've tested this on 4 different
systems with totally different configs.  If it is at all specific, I believe
it would be with the network adapter itself.  I don't have any other usb
adapters that use kaweth.

Can you tell me where I need to add the printks?

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