From: Lee Revell <rlrevell@joe-job.com>
To: Andrea Arcangeli <andrea@suse.de>
Cc: "Paul E. McKenney" <paulmck@us.ibm.com>,
Tim Bird <tim.bird@am.sony.com>,
linux-kernel@vger.kernel.org, bhuey@lnxw.com, tglx@linutronix.de,
karim@opersys.com, mingo@elte.hu, pmarques@grupopie.com,
bruce@andrew.cmu.edu, nickpiggin@yahoo.com.au, ak@muc.de,
sdietrich@mvista.com, dwalker@mvista.com, hch@infradead.org,
akpm@osdl.org
Subject: Re: Attempted summary of "RT patch acceptance" thread
Date: Fri, 10 Jun 2005 16:45:38 -0400 [thread overview]
Message-ID: <1118436338.6423.48.camel@mindpipe> (raw)
In-Reply-To: <20050610173728.GA6564@g5.random>
On Fri, 2005-06-10 at 19:37 +0200, Andrea Arcangeli wrote:
> You don't need to add it to the document, but as a further pratical
> example of troublesome hardware besides VGA (could be a software issue
> and not hardware issue though)
The VGA problems were due to (X, not kernel!) driver bugs. Recent
versions of X are thought to be OK.
It's the exact same issue described in this paper, scroll down to
section 4.5.
http://www.cs.utah.edu/~regehr/papers/hotos7/hotos7.html
There's absolutely nothing the kernel or PREEMPT_RT can do about this,
AFAICT even RTAI would be affected, because X lets userspace drivers
talk directly to the hardware including wedging the PCI bus.
Lee
next prev parent reply other threads:[~2005-06-10 20:44 UTC|newest]
Thread overview: 103+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-08 2:26 Attempted summary of "RT patch acceptance" thread Paul E. McKenney
2005-06-08 3:00 ` Karim Yaghmour
2005-06-08 14:47 ` Paul E. McKenney
2005-06-08 16:51 ` Karim Yaghmour
2005-06-09 2:25 ` Paul E. McKenney
2005-06-09 11:20 ` Philippe Gerum
2005-06-08 18:46 ` Chris Friesen
2005-06-08 19:28 ` Paul E. McKenney
2005-06-10 22:25 ` Eric Piel
2005-06-10 23:04 ` Paul E. McKenney
2005-06-10 23:23 ` Eric Piel
2005-06-11 0:59 ` Paul E. McKenney
2005-06-11 1:38 ` Eric Piel
2005-06-11 1:47 ` Paul E. McKenney
2005-06-09 23:34 ` Tim Bird
2005-06-09 23:50 ` Paul E. McKenney
2005-06-10 2:59 ` Lee Revell
2005-06-10 15:47 ` Paul E. McKenney
2005-06-10 17:37 ` Andrea Arcangeli
2005-06-10 19:39 ` Bill Huey
2005-06-10 19:41 ` Lee Revell
2005-06-10 20:26 ` Karim Yaghmour
2005-06-10 22:37 ` Bill Huey
2005-06-10 22:43 ` Bill Huey
2005-06-10 22:52 ` Andrea Arcangeli
2005-06-10 23:00 ` Flames go here (was Re: Attempted summary of "RT patch acceptance" thread) Lee Revell
2005-06-10 23:08 ` Attempted summary of "RT patch acceptance" thread Bill Huey
2005-06-10 23:29 ` Andrea Arcangeli
2005-06-11 1:41 ` Paul E. McKenney
2005-06-11 1:50 ` Karim Yaghmour
2005-06-11 2:06 ` Paul E. McKenney
2005-06-11 15:54 ` Andrea Arcangeli
2005-06-11 21:04 ` Paul E. McKenney
2005-06-11 23:48 ` Karim Yaghmour
2005-06-12 17:06 ` Andrea Arcangeli
2005-06-12 21:45 ` Paul E. McKenney
2005-06-13 1:35 ` Karim Yaghmour
2005-06-13 14:40 ` Paul E. McKenney
2005-06-13 19:49 ` Karim Yaghmour
2005-06-13 20:03 ` Daniel Walker
2005-06-13 20:21 ` Paul E. McKenney
2005-06-13 20:26 ` Karim Yaghmour
2005-06-13 20:23 ` Lee Revell
2005-06-13 20:28 ` Daniel Walker
2005-06-13 22:00 ` Karim Yaghmour
2005-06-13 22:11 ` Karim Yaghmour
2005-06-13 22:18 ` Bill Huey
2005-06-13 22:28 ` Karim Yaghmour
2005-06-13 22:29 ` Bill Huey
2005-06-13 22:55 ` Karim Yaghmour
2005-06-14 1:13 ` Nicolas Pitre
2005-06-14 2:07 ` Karim Yaghmour
2005-06-14 2:35 ` Nicolas Pitre
2005-06-14 2:37 ` Nicolas Pitre
2005-06-14 3:24 ` Karim Yaghmour
2005-06-14 16:41 ` Gerrit Huizenga
2005-06-14 19:20 ` Bill Huey
2005-06-14 19:35 ` Valdis.Kletnieks
2005-06-14 21:29 ` Gene Heskett
2005-06-14 20:19 ` Gerrit Huizenga
2005-06-14 7:00 ` Eugeny S. Mints
2005-06-14 16:09 ` Gerrit Huizenga
2005-06-14 16:47 ` Andrea Arcangeli
2005-06-13 20:38 ` Bill Huey
2005-06-13 20:10 ` Paul E. McKenney
2005-06-13 20:31 ` Bill Huey
2005-06-13 20:58 ` Paul E. McKenney
2005-06-13 20:34 ` Karim Yaghmour
2005-06-13 21:02 ` Paul E. McKenney
2005-06-12 17:01 ` Andrea Arcangeli
2005-06-12 18:43 ` Lee Revell
2005-06-12 19:12 ` Bill Huey
2005-06-11 5:23 ` Ingo Molnar
2005-06-11 17:24 ` Andrea Arcangeli
2005-06-10 20:22 ` Daniel Walker
2005-06-10 20:45 ` Lee Revell [this message]
2005-06-10 21:06 ` Andrea Arcangeli
2005-06-10 22:19 ` Bill Huey
2005-06-10 22:37 ` Andrea Arcangeli
2005-06-10 22:49 ` Daniel Walker
2005-06-10 23:01 ` Bill Huey
2005-06-10 23:05 ` Andrea Arcangeli
2005-06-10 23:15 ` Bill Huey
2005-06-10 23:16 ` Paul E. McKenney
2005-06-10 23:26 ` Bill Huey
2005-06-10 23:36 ` Zwane Mwaikambo
2005-06-10 23:41 ` Bill Huey
2005-06-10 23:46 ` Lee Revell
2005-06-11 1:07 ` Paul E. McKenney
2005-06-11 15:16 ` Andrea Arcangeli
2005-06-11 20:32 ` Paul E. McKenney
2005-06-11 0:48 ` Paul E. McKenney
2005-06-10 20:38 ` Lee Revell
2005-06-10 23:12 ` Paul E. McKenney
-- strict thread matches above, loose matches on Subject: below --
2005-06-08 15:54 Eric Piel
2005-06-09 2:20 ` Paul E. McKenney
2005-06-10 21:58 ` Eric Piel
2005-06-11 1:55 ` Paul E. McKenney
2005-06-13 22:20 Saksena, Manas
2005-06-13 22:42 ` Karim Yaghmour
2005-06-13 22:44 ` Karim Yaghmour
2005-06-13 22:43 ` Bill Huey
2005-06-13 22:43 Saksena, Manas
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