From: Chuck Ebbert <cebbert@redhat.com>
To: Vegard Nossum <vegard.nossum@gmail.com>
Cc: Jeff Garzik <jgarzik@pobox.com>,
linux-ide@vger.kernel.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
Date: Mon, 25 Feb 2008 15:03:17 -0500 [thread overview]
Message-ID: <47C31F05.2070307@redhat.com> (raw)
In-Reply-To: <19f34abd0802230948n3b98b7d2kd67ca9c2f8fbbd47@mail.gmail.com>
On 02/23/2008 12:48 PM, Vegard Nossum wrote:
>
> I don't see the connection between (no-)smp and ata. Something with
> interrupt routing/IPI, missing irq ack? Booting another !SMP kernel
> works fine. The problem also exists in 2.6.24-rc2.
>
"nosmp" disables the IO-APIC which will change interrupt handling.
If you just want to enable a single CPU, use "maxcpus=1".
prev parent reply other threads:[~2008-02-25 20:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-23 17:48 ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4) Vegard Nossum
2008-02-23 18:31 ` Alan Cox
2008-02-23 18:46 ` Vegard Nossum
2008-02-23 18:52 ` Vegard Nossum
2008-02-25 20:03 ` Chuck Ebbert [this message]
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