[PATCH 4/7] hvc_console: Fix race between hvc_close and hvc_remove

[Amit Shah]

On (Fri) Mar 26 2010 [11:52:33], Alan Cox wrote:
> > >> mount: can't find /root/proc in /etc/fstab or /etc/mtab
> > >> /sbin/smart_agetty: can not determine 'console' speed
> > >>     
> > >
> > > OK, this gets even murkier. I don't know why taking a few krefs modifies
> > > hvc_console behaviour to such an extent.
> 
> Can you see if the agetty is getting a hangup or open failing. I wonder
> if its just a timing change ?

Can someone please try this? Looks like it only reproduces on ppc, I
can't get it to reproduce in my kvm vm. I'm trying to get hold of a ppc
box, though. (btw ppc, ppc64, both should trigger this, right?)

		Amit