linux-kernel - Re: TIOCGWINSZ retuns old pty size after receiving SIGWINCH

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Message-ID: <20080820072255.GL29842@pruts.nl>
Date:	Wed, 20 Aug 2008 09:22:55 +0200
From:	Ico Doornekamp <lkml@...v.nl>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: TIOCGWINSZ retuns old pty size after receiving SIGWINCH



* On 2008-08-19 Andrew Morton <akpm@...ux-foundation.org> wrote  :

> On Tue, 19 Aug 2008 22:13:11 +0200 Ico Doornekamp <lkml@...v.nl> wrote:
> > 
> > > 
> > > This bug may have been present in released kernels for some time - I
> > > think I read in another thread that CPU scheduler changes might have
> > > caused it to surface.  Doesn't matter really - we don't want
> > > user-visible races like this affecting desktop applications in stable
> > > kernels!
> > > 
> > > Can you please help us to complete this list?
> > 
> > 2.6.25.9:	good
> > 2.6.26-rc1	bad ( +/- 10% of the resizes)
> > 2.6.26.2:	still bad ( +/- 10% of the resizes )
> > 2.6.27-rc3:	ugly bad ( > 75% of the resizes )
> > linux-next	good
> > 
> > Any other versions to test ?
> 
> Current Linus mainline has
> 
> commit 8c9a9dd0fa3a269d380eaae2dc1bee39e865fae1
> Author: Alan Cox <alan@...hat.com>
> Date:   Fri Aug 15 10:39:38 2008 +0100
> 
>     tty: remove resize window special case
> 
> which might have fixed this after 2.6.27-rc3, so testing
> ftp://ftp.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.27-rc3-git6.gz
> would be most interesting.

Still very broken.

-- 
:wq
^X^Cy^K^X^C^C^C^C
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