From: Ingo Molnar <mingo@elte.hu>
To: "Marcin Ślusarz" <marcin.slusarz@gmail.com>
Cc: Jarek Poplawski <jarkao2@o2.pl>,
Thomas Gleixner <tglx@linutronix.de>,
Linus Torvalds <torvalds@linux-foundation.org>,
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>,
Andrew Morton <akpm@linux-foundation.org>,
Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: 2.6.20->2.6.21 - networking dies after random time
Date: Mon, 30 Jul 2007 10:49:25 +0200 [thread overview]
Message-ID: <20070730084925.GA12695@elte.hu> (raw)
In-Reply-To: <4bacf17f0707300029g5116e70bq4808059dc8b069f1@mail.gmail.com>
* Marcin Ślusarz <marcin.slusarz@gmail.com> wrote:
> > Subject: x86: activate HARDIRQS_SW_RESEND
> > From: Ingo Molnar <mingo@elte.hu>
> >
> > activate the software-triggered IRQ-resend logic.
> This patch didn't help (tested on 2.6.22.1) - ne2k_pci timed out.
ok. This makes it more likely that the driver itself (or the card) gets
confused by the resend.
does the patch below fix those timeouts? It tests the theory whether any
POST latency could expose this problem.
Ingo
Index: linux/drivers/net/lib8390.c
===================================================================
--- linux.orig/drivers/net/lib8390.c
+++ linux/drivers/net/lib8390.c
@@ -375,6 +375,8 @@ static int ei_start_xmit(struct sk_buff
/* Turn 8390 interrupts back on. */
ei_local->irqlock = 0;
ei_outb_p(ENISR_ALL, e8390_base + EN0_IMR);
+ /* force POST: */
+ ei_inb_p(e8390_base + EN0_IMR);
spin_unlock(&ei_local->page_lock);
enable_irq_lockdep_irqrestore(dev->irq, &flags);
next prev parent reply other threads:[~2007-07-30 8:49 UTC|newest]
Thread overview: 93+ 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
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 [this message]
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
[not found] <4bacf17f0706161435g1bb7c08bpd427901f64d57fa@mail.gmail.com>
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
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