Re: Netconsole & sungem: hang when link down

[Benjamin Herrenschmidt]

On Wed, 2004-10-06 at 16:39, Colin Leroy wrote:
> Hi,
> 
> I noticed that, if you have netconsole set up and using a sungem card,
> and if the network cable is not plugged in, that the whole kernel hangs
> shortly after the "device not up yet, forcing it" netconsole
> message. I suspect this is due to the autoneg in sungem, but didn't have
> time to look further. 
> 
> Would you have any hints on the cause of this problem?

Not sure, I suppose the driver is doing printk's with spinlocks held
from the autoneg stuff and there is a spinlock deadlock happening ...

Ben.


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