Re: [PATCH] Re: Linux 2.6.0-test5

[Mikael Pettersson]

Jeff Garzik writes:
 > Note that people seeing "ifconfig down ... ifconfig up" problems need to 
 > apply this patch.  (to 2.4.23-pre, too)
 > 
 > 	Jeff
 > 
 > 
 > diff -Nru a/net/core/dev.c b/net/core/dev.c
 > --- a/net/core/dev.c	Mon Sep  8 18:14:36 2003
 > +++ b/net/core/dev.c	Mon Sep  8 18:14:36 2003
 > @@ -851,7 +851,11 @@
 >  	 * engine, but this requires more changes in devices. */
 >  
 >  	smp_mb__after_clear_bit(); /* Commit netif_running(). */
 > -	netif_poll_disable(dev);
 > +	while (test_bit(__LINK_STATE_RX_SCHED, &dev->state)) {
 > +		/* No hurry. */
 > +		current->state = TASK_INTERRUPTIBLE;
 > +		schedule_timeout(1);
 > +	}

I independently discovered this bug in 2.4.23-pre3 last night,
where it caused my laptop to randomly lock up at suspends or
resumes. That may have been APM doing ifconfigs behind my
back, I don't know, all I got was a black screen :-(
-
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