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From: "J. K. Cliburn" <>
To: Zan Lynx <>
Cc: Linux Kernel <>,
	Andrew Morton <>
Subject: Re: MM kernels 2.6.24-rc*-mm*, 2.6.24-mm1: gnome-terminal stuck in tty_poll
Date: Wed, 06 Feb 2008 20:10:50 -0600	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <1202326722.7488.46.camel@localhost>

Zan Lynx wrote:

> gnome-terminal gets stuck.

I began seeing this very thing around 2.6.24 time.  (Fedora 8, vanilla 
kernel.)  I could usually cause the gnome terminal to hang if I rapidly 
resized the window while executing make check-headers.

Over a couple of days I bisected it down to this commit:

Commit:     37bb6cb4097e29ffee970065b74499cbf10603a3
Parent:     d3d74453c34f8fd87674a8cf5b8a327c68f22e99
Author:     Peter Zijlstra <>
AuthorDate: Fri Jan 25 21:08:32 2008 +0100
Committer:  Ingo Molnar <>
CommitDate: Fri Jan 25 21:08:32 2008 +0100

     hrtimer: unlock hrtimer_wakeup

     hrtimer_wakeup creates a


     lock dependancy. Avoid this by switching to 
     which doesn't hold base->lock.

     This fully untangles hrtimer locks from the scheduler locks, and allows
     hrtimer usage in the scheduler proper.

     Signed-off-by: Peter Zijlstra <>
     Signed-off-by: Ingo Molnar <>
  kernel/hrtimer.c |    4 +++-
  1 files changed, 3 insertions(+), 1 deletions(-)

Reverting the commit seemed to fix the problem for me.

Then I went away on a business trip Monday morning and returned Tuesday 
night to a dead computer (won't POST), so I can't do any further 
troubleshooting until I get it fixed.

Try reverting that patch and see if your gnome-terminal freezes go away.


  parent reply	other threads:[~2008-02-07  2:10 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-06 19:38 Zan Lynx
2008-02-06 19:44 ` Alan Cox
2008-02-06 20:16   ` Zan Lynx
2008-02-07  2:10 ` J. K. Cliburn [this message]
2008-02-07  2:23   ` Andrew Morton
2008-02-07 19:49     ` Peter Zijlstra
2008-02-07 20:24       ` Peter Zijlstra
2008-02-08  1:26         ` Jay Cliburn
2008-02-08  9:28           ` Peter Zijlstra

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