From: "Magnus Damm" <magnus.damm@gmail.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [Fastboot] [PATCH] kexec: Avoid migration of already disabled irqs (ia64)
Date: Thu, 01 Feb 2007 06:02:59 +0000 [thread overview]
Message-ID: <aec7e5c30701312202if17f943v2b5944675f5e22b1@mail.gmail.com> (raw)
In-Reply-To: <45C005C1.5010606@sgi.com>
On 1/31/07, Zou, Nanhai <nanhai.zou@intel.com> wrote:
> > From: Magnus Damm [mailto:magnus.damm@gmail.com]
> > Booting into a crash kernel does not seem to work on this ia64 box
> > unfortunately. I'm about to investigate why, but I thought trying and
> > fixing kexec was a good first step.
> >
> That is probably caused by HP's IOMMU engine not shutting down at crash time....,
> Please try add machvec=dig option for the crash dump kernel.
> However we still need to find a light way to correctly shutdown IOMMU engine on those HP platforms.
It does unfortunately not seem to help. Regardless of SMP or UP kernel.
I'll try to track down where things lock up. Thanks.
/ magnus
prev parent reply other threads:[~2007-02-01 6:02 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-31 2:58 [Fastboot] [PATCH] kexec: Avoid migration of already disabled Jay Lan
2007-01-31 3:49 ` [Fastboot] [PATCH] kexec: Avoid migration of already disabled irqs (ia64) Magnus Damm
2007-01-31 4:54 ` Zou, Nanhai
2007-01-31 5:57 ` Magnus Damm
2007-01-31 6:07 ` Zou, Nanhai
2007-01-31 18:09 ` [Fastboot] [PATCH] kexec: Avoid migration of already disabled Jay Lan
2007-02-01 6:02 ` Magnus Damm [this message]
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