linux-kernel - Re: serial flow control appears broken

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Message-ID: <46B4D5BF.6070901@howardsilvan.com>
Date:	Sat, 04 Aug 2007 12:38:39 -0700
From:	Lee Howard <faxguy@...ardsilvan.com>
To:	Mark Lord <lkml@....ca>
CC:	Robert Hancock <hancockr@...w.ca>,
	"Maciej W. Rozycki" <macro@...ux-mips.org>,
	Russell King <rmk+lkml@....linux.org.uk>,
	linux-serial@...r.kernel.org, tytso@....edu,
	linux-kernel@...r.kernel.org
Subject: Re: serial flow control appears broken

Mark Lord wrote:

> The "fix" could be to have the serial IRQ handler never unmask 
> interrupts,
> but that's a bit unsociable to others.  The IDE stuff really needs to not
> do so much during the actual IRQ handler.
>
> Ingo's RT patches would probably fix all of this.

I did a Fedora 7 installation and installed Ingo's kernel from here:

http://people.redhat.com/mingo/realtime-preempt/yum-testing/yum/i686/kernel-rt-2.6.21-0182.rt11cfsv17.i686.rpm

Even then, the problem still occurs, unfortunately.

Thanks,

Lee.
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