Re: sungem hangs in atomic if netconsole enabled but no carrier

[David S. Miller]

From: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Date: Wed, 21 Dec 2005 08:18:40 +1100

> 
> > Turns out that if I remove the netconsole=... option to my kernel, all
> > works fine and the system no longer hangs. Obviously not plugging in a
> > network cable is pretty useless when netconsole is turned on, but I
> > think it should not hang the system completely. So far I haven't been
> > able to figure out where it actually hangs and don't even know how to do
> > so -- I'm open for suggestions on how to find out why/where it hangs or
> > even fixes.
> 
> Hrm... I've heard various reports about problems with netconsole... I've
> never tried it myself so far though. One thing I remember to beware of
> is if sungem does a printk while holding its lock...

I bet that's it, doing a printk while already in the netconsole
printk output path.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/