Re: Lockup with 2.6.9-ac15 related to netconsole

[Francois Romieu <romieu@xxxxxxxxxxxxx>]

Matt Mackall <mpm@xxxxxxxxxxx> :
> On Mon, Dec 20, 2004 at 09:42:08AM -0000, Mark Broadbent wrote:
> > 
> > Exactly the same happens, I still get a 'NMI Watchdog detected LOCKUP'
> > with the r8169 device using the above patch on top of 2.6.10-rc3-bk10.
> 
> Ok, that suggests a problem localized to netpoll itself. Do you have
> spinlock debugging turned on by any chance? 

Any chance of:
1 dev_queue_xmit
2 dev->xmit_lock taken
3 interruption
4 printk
5 netconsole write
6 dev->xmit_lock again
7 lockup

?

This is probably the silly question of the day.

--
Ueimor