linux-kernel - Re: xterm loses data (pty regression)

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Message-ID: <alpine.LFD.2.01.0908101016100.3288@localhost.localdomain>
Date:	Mon, 10 Aug 2009 10:18:41 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Ray Lee <ray-lk@...rabbit.org>
cc:	Artur Skawina <art.08.09@...il.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: xterm loses data (pty regression)



On Mon, 10 Aug 2009, Ray Lee wrote:
> On Mon, Aug 10, 2009 at 8:29 AM, Artur Skawina <art.08.09@...il.com> wrote:
> >
> > First noticed it after upgrading to v2.6.31-rc5-246-g90bc1a6, still happens
> > in rc5-381-g7b2aa03.
> > If i press ^S in an xterm the output stops as expected, but after a ^Q i see
> > only the newly written data, everything in between is lost. 

Yup, I can confirm that. 

> > > for i in `seq 1 111`; do echo $i; sleep 1; done

(Do ^S/^Q, see data loss)

Will take a look asap, thanks. Although I bet it's the same old commit 
(d945cb9cc: "pty: Rework the pty layer to use the normal buffering logic") 
again.

			Linus
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