Date: Mon, 27 Jul 2009 17:42:52 +0100
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       "Rafael J. Wysocki" <rjw@sisk.pl>, Ray Lee <ray-lk@madrabbit.org>,
       LKML <linux-kernel@vger.kernel.org>,
       Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] kdesu broken
Message-ID: <20090727174252.2d987830@lxorguk.ukuu.org.uk>
In-Reply-To: <20090727161424.GA4233@skywalker>
References: <20090725150510.35e8854d@lxorguk.ukuu.org.uk>
	<87ab2sx15g.fsf@devron.myhome.or.jp>
	<20090725163251.50e6f546@lxorguk.ukuu.org.uk>
	<87bpn7mzli.fsf@devron.myhome.or.jp>
	<20090727115723.1e8de60e@lxorguk.ukuu.org.uk>
	<873a8iqqgv.fsf@devron.myhome.or.jp>
	<20090727142303.41096bf5@lxorguk.ukuu.org.uk>
	<877hxujkuv.fsf@devron.myhome.or.jp>
	<20090727145805.690afe5d@lxorguk.ukuu.org.uk>
	<87fxci6ub9.fsf@devron.myhome.or.jp>
	<20090727161424.GA4233@skywalker>
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> > -			if (count > tty->receive_room) {
> > +			if (count > tty->receive_room)
> >  				count = tty->receive_room;
> > -				done = 0;
> > -			}
> >  			char_buf = head->char_buf_ptr + head->read;
> >  			flag_buf = head->flag_buf_ptr + head->read;
> >  			head->read += count;
> > _
> 
> 
> I still have the "compile in emacs" bug. So this patch along with
> http://article.gmane.org/gmane.linux.kernel/869824 doesn't fix the
> bug for me.

Can you stick some printk calls in and debug it further then because at
with the fixes Ogawa provided I'm finding it impossible to reproduce even
on an 8 way x86.

What hardware are you using ?

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