From: Lee Revell <rlrevell@joe-job.com>
To: Bill Huey <bhuey@lnxw.com>
Cc: Zwane Mwaikambo <zwane@arm.linux.org.uk>,
"Paul E. McKenney" <paulmck@us.ibm.com>,
Andrea Arcangeli <andrea@suse.de>,
Tim Bird <tim.bird@am.sony.com>,
linux-kernel@vger.kernel.org, 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 19:46:11 -0400 [thread overview]
Message-ID: <1118447173.6423.148.camel@mindpipe> (raw)
In-Reply-To: <20050610234133.GB24111@nietzsche.lynx.com>
On Fri, 2005-06-10 at 16:41 -0700, Bill Huey wrote:
> On Fri, Jun 10, 2005 at 05:36:10PM -0600, Zwane Mwaikambo wrote:
> > What's wrong with the memory controller on the G5?
>
> DMA starvation
DMA starvation has also been observed with some PC chipsets during
PREEMPT_RT development and the cause was traced to the UDMA133
controller. The symptom is latency traces that seem to go in extreme
"slow motion". Check the archives for the hardware affected.
Lee
next prev parent reply other threads:[~2005-06-10 23:47 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
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 [this message]
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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