Subject: Re: netif_poll_disable() hangs

From: Jeff Garzik <[email-masked]>
Date: Mon, 08 Sep 2003 03:17:46 -0400

Andrew Morton wrote:
> Very simple:
> 
> 	ifup eth0
> 	ifdown eth0
> 	ifup eth0
> 	ifdown eth0	<- hangs in dev_close -> netif_poll_disable()
> 
> 
> Because the first close sets __LINK_STATE_RX_SCHED and nothing ever clears
> it.  

Weird.  Looking at older 2.4 and 2.6, the bit has always been set that way.

process_backlog() has always been the only site that ever clears that 
bit...  maybe process_backlog() is called when interface is up'd, which 
is why it worked before (and should be working now)?

	Jeff