From: Zwane Mwaikambo <zwane@linuxpower.ca>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: Daniel Ritz <daniel.ritz@gmx.ch>,
linux-kernel <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@diego.com>
Subject: Re: [bug 2.5.69] xirc2ps_cs, irq 3: nobody cared, shutdown hangs
Date: Sun, 11 May 2003 13:31:32 -0400 (EDT) [thread overview]
Message-ID: <Pine.LNX.4.50.0305111324530.15337-100000@montezuma.mastecende.com> (raw)
In-Reply-To: <3EBE8768.4000007@pobox.com>
On Sun, 11 May 2003, Jeff Garzik wrote:
> If this patch works, it's mainly a signal to dig deeper.
>
> If netif_device_present() returns false, we think the hardware has
> disappeared. So that implies a bug in calling netif_device_detach() no
> a bug in the irq handler return value.
>
> This is _especially_ true for pcmcia, even more than pci. PCI ejects
> (including cardbus) are electrically safe, whereas pcmcia is different.
> If pcmcia hardware disappears on you, you _really_ don't want to be
> bitbanging its ports.
Could possibly be a problem in CardServices, it appears to defer free'ing
interrupts.
--
function.linuxpower.ca
next prev parent reply other threads:[~2003-05-11 17:28 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-11 14:47 [bug 2.5.69] xirc2ps_cs, irq 3: nobody cared, shutdown hangs Daniel Ritz
2003-05-11 16:13 ` Zwane Mwaikambo
2003-05-11 17:24 ` Jeff Garzik
2003-05-11 17:20 ` Alan Cox
2003-05-11 22:08 ` David Woodhouse
2003-05-11 21:40 ` Alan Cox
2003-05-11 22:55 ` David Woodhouse
2003-05-11 17:31 ` Zwane Mwaikambo [this message]
2003-05-12 19:59 ` Daniel Ritz
2003-05-13 7:43 ` Zwane Mwaikambo
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