From: Jarek Poplawski <jarkao2@o2.pl>
To: Ingo Molnar <mingo@elte.hu>
Cc: "Marcin Ślusarz" <marcin.slusarz@gmail.com>,
"Jean-Baptiste Vignaud" <vignaud@xandmail.fr>,
linux-kernel <linux-kernel@vger.kernel.org>,
shemminger <shemminger@linux-foundation.org>,
linux-net <linux-net@vger.kernel.org>,
netdev <netdev@vger.kernel.org>, "Ingo Molnar" <mingo@elte.hu>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Linus Torvalds" <torvalds@linux-foundation.org>
Subject: Re: 2.6.20->2.6.21 - networking dies after random time
Date: Tue, 24 Jul 2007 09:18:58 +0200 [thread overview]
Message-ID: <20070724071858.GA2049@ff.dom.local> (raw)
In-Reply-To: <4bacf17f0707222244p664e7a6ap850b3357a57d73c@mail.gmail.com>
On Mon, Jul 23, 2007 at 07:44:58AM +0200, Marcin Ślusarz wrote:
> Ok, I've bisected this problem and found that this patch broke my NIC:
>
> 76d2160147f43f982dfe881404cfde9fd0a9da21 is first bad commit
> commit 76d2160147f43f982dfe881404cfde9fd0a9da21
> Author: Ingo Molnar <mingo@elte.hu>
> Date: Fri Feb 16 01:28:24 2007 -0800
>
> [PATCH] genirq: do not mask interrupts by default
>
> Never mask interrupts immediately upon request. Disabling interrupts in
> high-performance codepaths is rare, and on the other hand this change
> could
> recover lost edges (or even other types of lost interrupts) by
> conservatively
> only masking interrupts after they happen. (NOTE: with this change the
> highlevel irq-disable code still soft-disables this IRQ line - and
> if such an
> interrupt happens then the IRQ flow handler keeps the IRQ masked.)
>
> Mark i8529A controllers as 'never loses an edge'.
>
> Signed-off-by: Ingo Molnar <mingo@elte.hu>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
So, it seems nobody (except the users) cares...
BTW, maybe there should be created something like "Network Cards
Producers Made Rich on Unnecessary Changed Cards Linux Foundation"?:
On Fri, Jun 29, 2007 at 10:50:20AM +0200, Jean-Baptiste Vignaud wrote:
...
> 2) changed the 3com cards
> i replaced by two cards,
> 01:06.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 42)
> 01:07.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8029(AS)
>
> reinstalled and stressed the network (small download from a laptop) and :
>
> Jun 29 09:34:10 loki kernel: NETDEV WATCHDOG: eth0: transmit timed out
> Jun 29 09:34:51 loki last message repeated 14 times
> Jun 29 09:35:18 loki last message repeated 8 times
...Of course, no response of any "serious" developer for this as well.
BTW #2: I wonder how true is this (after above-mentioned patch):
>From include/linux/irq.h:
> /**
> * struct irq_chip - hardware interrupt chip descriptor
...
> * @disable: disable the interrupt (defaults to chip->mask if NULL)
Regards,
Jarek P.
next prev parent reply other threads:[~2007-07-24 7:10 UTC|newest]
Thread overview: 95+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-29 8:50 2.6.20->2.6.21 - networking dies after random time Jean-Baptiste Vignaud
2007-06-29 15:07 ` Jarek Poplawski
2007-07-23 5:44 ` Marcin Ślusarz
2007-07-23 8:53 ` Jarek Poplawski
2007-07-24 7:18 ` Jarek Poplawski [this message]
2007-07-24 8:05 ` Ingo Molnar
2007-07-24 9:42 ` Ingo Molnar
2007-07-24 19:30 ` Linus Torvalds
2007-07-24 20:04 ` Ingo Molnar
2007-07-25 0:19 ` Thomas Gleixner
2007-07-25 7:23 ` Jarek Poplawski
2007-07-25 13:57 ` Jarek Poplawski
2007-07-25 14:46 ` Alan Cox
2007-07-26 12:44 ` [PATCH][netdrvr] lib8390: comment on locking by Alan Cox " Jarek Poplawski
2007-07-26 12:47 ` Alan Cox
2007-07-30 19:47 ` Jeff Garzik
2007-07-30 8:46 ` Ingo Molnar
2007-07-30 13:05 ` Alan Cox
2007-07-26 7:16 ` Marcin Ślusarz
2007-07-26 8:13 ` Jarek Poplawski
2007-07-26 8:10 ` Thomas Gleixner
2007-07-26 8:31 ` Ingo Molnar
2007-07-26 8:55 ` Jarek Poplawski
2007-07-26 9:12 ` Ingo Molnar
2007-07-30 7:29 ` Marcin Ślusarz
2007-07-30 8:49 ` Ingo Molnar
2007-08-01 7:24 ` Marcin Ślusarz
2007-08-01 7:27 ` Ingo Molnar
2007-08-06 6:58 ` Marcin Ślusarz
2007-07-31 13:20 ` Jarek Poplawski
2007-08-06 7:00 ` Marcin Ślusarz
2007-08-06 7:03 ` Ingo Molnar
2007-08-06 17:43 ` Chuck Ebbert
2007-08-06 19:08 ` Ingo Molnar
2007-08-09 14:50 ` [RFC] " Jarek Poplawski
[not found] ` <p738x8kg0dp.fsf@bingen.suse.de>
2007-08-09 15:30 ` Jarek Poplawski
2007-08-07 10:09 ` Jarek Poplawski
2007-08-07 7:46 ` Marcin Ślusarz
2007-08-07 8:23 ` Jarek Poplawski
[not found] ` <4bacf17f0708070237w19d184b3p7f74b53612edb9a6@mail.gmail.com>
2007-08-07 9:52 ` Jarek Poplawski
2007-08-07 12:13 ` Jarek Poplawski
2007-08-07 12:55 ` Jarek Poplawski
2007-08-08 11:11 ` Marcin Ślusarz
2007-08-08 11:09 ` Marcin Ślusarz
2007-08-08 11:42 ` Jarek Poplawski
2007-08-08 11:53 ` Jarek Poplawski
2007-08-09 9:19 ` [patch (testing)] " Jarek Poplawski
[not found] ` <4bacf17f0708092333n17e0ba19jf2c769531610868d@mail.gmail.com>
2007-08-10 7:10 ` Jarek Poplawski
2007-08-10 10:43 ` Marcin Ślusarz
2007-08-10 11:37 ` Jarek Poplawski
2007-07-31 15:58 ` [patch] genirq: temporary fix for level-triggered IRQ resend Ingo Molnar
2007-07-31 16:00 ` Ingo Molnar
2007-08-08 11:00 ` Jarek Poplawski
2007-08-02 17:03 ` Gabriel C
2007-08-02 20:11 ` Ingo Molnar
2007-08-03 6:07 ` [patch] genirq: fix simple and fasteoi irq handlers Jarek Poplawski
2007-08-03 8:04 ` Ingo Molnar
2007-08-03 8:46 ` Ingo Molnar
2007-08-03 9:10 ` Jarek Poplawski
2007-08-03 11:57 ` Marcin Ślusarz
2007-08-03 12:26 ` Jarek Poplawski
2007-08-06 7:05 ` Marcin Ślusarz
2007-08-06 6:07 ` [patch (take 2)] " Jarek Poplawski
2007-08-06 6:14 ` Ingo Molnar
2007-08-06 7:07 ` Marcin Ślusarz
2007-08-06 7:19 ` Jarek Poplawski
2007-07-26 9:11 ` 2.6.20->2.6.21 - networking dies after random time Jarek Poplawski
2007-07-26 8:19 ` Jarek Poplawski
2007-07-26 8:16 ` Ingo Molnar
-- strict thread matches above, loose matches on Subject: below --
2007-08-08 8:59 Jean-Baptiste Vignaud
2007-08-08 9:30 ` Jarek Poplawski
2007-08-08 12:16 ` Jarek Poplawski
2007-08-07 17:16 Jean-Baptiste Vignaud
2007-08-08 7:21 ` Jarek Poplawski
2007-08-08 7:36 ` Jarek Poplawski
2007-08-07 9:21 Jean-Baptiste Vignaud
2007-08-07 9:44 ` Jarek Poplawski
2007-08-07 8:10 Jean-Baptiste Vignaud
2007-08-07 9:05 ` Jarek Poplawski
2007-08-06 20:42 Jean-Baptiste Vignaud
2007-08-06 21:19 ` Chuck Ebbert
2007-08-07 7:26 ` Jarek Poplawski
2007-08-06 21:30 ` Al Boldi
2007-08-06 19:36 Jean-Baptiste Vignaud
2007-06-26 14:24 Jean-Baptiste Vignaud
2007-06-27 10:17 ` Jarek Poplawski
2007-06-16 21:35 Marcin Ślusarz
2007-06-18 11:08 ` Jarek Poplawski
2007-06-18 15:10 ` Stephen Hemminger
2007-06-19 5:27 ` Jarek Poplawski
2007-06-19 5:50 ` Jarek Poplawski
2007-06-22 8:56 ` Marcin Ślusarz
2007-06-22 13:32 ` Jarek Poplawski
[not found] ` <4bacf17f0706252310w155fc4d7v1bf12319a650559a@mail.gmail.com>
2007-06-26 8:08 ` Jarek Poplawski
2007-07-22 15:46 ` Magnus Holmgren
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