From: "Konstantin A. Lepikhov" <lakostis@unsafe.ru>
To: hardware@lists.altlinux.org
Subject: Re: [Hardware] ovz kernel bug on e1000 and Intel Corporation 5000 Series Chipset
Date: Tue, 17 Apr 2007 23:51:39 +0400
Message-ID: <20070417195139.GA9058@lks.home> (raw)
In-Reply-To: <20070417192131.GA4115@procyon.home>
Hi Sergey!
Tuesday 17, at 11:21:31 PM you wrote:
> On Tue, Apr 17, 2007 at 10:54:10PM +0400, Eugene Prokopiev wrote:
> > Долго думал, куда писать - решил сюда. Есть сервер с Intel Corporation
> > 5000 Series Chipset и 2 такими сетевыми интерфейсами:
> >
> > e1000 - Intel Corporation 80003ES2LAN Gigabit Ethernet Controller
> > (Copper) [Ethernet controller]
> >
> > На нем без особых проблем работает ядро 2.6.18-std-smp-alt5, а вот с
> > 2.6.18-ovz-smp-alt13 выходит заминка: сразу после загрузки на сетевых
> > интерфейсах link ok, но пинги не ходят. Ходить начинают через несколько
> > секунд после того, как сетевой кабель вытаскивается из разъема и
> > втыкается обратно 8)
> >
> > Это как-то лечится?
>
> В ovz есть одно подозрительное изменение в драйвере e1000 - commit
> 2d46cb1712da0b94652c94f8bb9bac662c10d847:
>
> e1000: fix initialization of irqs
>
> In case of irqpoll boot option set, e1000 may oops due to:
> 1) e1000 register it's handler with e1000_request_irq;
> 2) spurious interrupt happens;
> 3) kernel tries to handle this interrupt with all available descs;
> 4) e1000_intr is called and oops due to not initialized clean_rx handler,
> because e1000_up is not called yet.
>
> Solution is to initialize driver before handler registration.
>
> Signed-off-by: Dmitry Mishin <dim at openvz dot org>
> Signed-off-by: Pavel Emelianov <xemul at openvz dot org>
>
> Возможно, этот патч ошибочен - во всяком случае, мантейнер драйвера
> e1000 его забраковал:
>
> http://thread.gmane.org/gmane.linux.network/50341
тогда пожалуюсь ;)
--
WBR et al.
next prev parent reply other threads:[~2007-04-17 19:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-17 18:54 Eugene Prokopiev
2007-04-17 19:21 ` Sergey Vlasov
2007-04-17 19:51 ` Konstantin A. Lepikhov [this message]
2007-04-17 21:51 ` Konstantin A. Lepikhov
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