From: Olof Johansson <olof@lixom•net>
To: Haren Myneni <haren@us•ibm.com>
Cc: linuxppc-dev@ozlabs•org, ellerman@au1•ibm.com,
Paul Mackerras <paulus@samba•org>,
Milton Miller <miltonm@bga•com>, Olaf Hering <olh@suse•de>
Subject: Re: [PATCH] kdump: Fix for machine checkstop on DMA fault
Date: Wed, 22 Mar 2006 23:38:54 -0600 [thread overview]
Message-ID: <20060323053854.GA17693@pb15.lixom.net> (raw)
In-Reply-To: <44222462.2030103@us.ibm.com>
On Wed, Mar 22, 2006 at 08:30:26PM -0800, Haren Myneni wrote:
> Paul, If you are OK with this fix, please send it upstream.
>
> Thanks
> Haren
>
> - Some machines checkstop on dma protection fault for ongoing DMA left
> in the first kernel. Since, we do not shutdown devices before the kdump
> boot, let them continue DMA to old kernel space.
How is this solved for regular kexec, doesn't the same problem exist
there?
-Olof
next prev parent reply other threads:[~2006-03-23 5:39 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-23 4:30 [PATCH] kdump: Fix for machine checkstop on DMA fault Haren Myneni
2006-03-23 5:38 ` Olof Johansson [this message]
2006-03-23 6:06 ` Michael Ellerman
2006-03-23 6:19 ` Olof Johansson
2006-03-23 20:12 ` Olof Johansson
2006-03-23 23:06 ` Haren Myneni
2006-03-23 23:11 ` Olof Johansson
2006-03-27 5:04 ` Michael Ellerman
2006-03-27 14:06 ` Olof Johansson
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