From: Anton Blanchard <anton@samba.org>
To: jfaslist <jfaslist@yahoo.fr>
Cc: linuxppc64-dev@ozlabs.org
Subject: Re: Maple: killing a process that causes a machine check exception
Date: Wed, 24 May 2006 02:23:48 +1000 [thread overview]
Message-ID: <20060523162348.GC5938@krispykreme> (raw)
In-Reply-To: <447333BF.6060306@yahoo.fr>
Hi,
> What do you mean by synchronous? Do you mean that the current process
> may no be not the one that caused the ME?
Yeah, a device doing DMA might cause a machine check independent to your
current task. In that case we really need to take the machine down.
> In my case I _need_ the process to be killed, as it is making a VME bus
> error. / PCI target-abort.
> I am starting to get desperate. I have been working for several month
> with IBM to get a solution on machine check related issues on the Maple.
> First, the Maple was hanging hard. Now that this is fixed, I need the
> Linux ME to kill the offending process!
> My feeling now, is that I am really starting to have it w/ the ppc64!
Sounds like you need a Maple specific machine check handler. My point is
we cant merge a fix like that because it affects every powerpc arch out
there, all with different machine check handling requirements.
Anton
next prev parent reply other threads:[~2006-05-23 16:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-23 14:59 Maple: killing a process that causes a machine check exception jfaslist
2006-05-23 15:15 ` Anton Blanchard
2006-05-23 16:09 ` jfaslist
2006-05-23 16:23 ` Anton Blanchard [this message]
2006-05-23 16:30 ` jfaslist
2006-05-23 16:48 ` Linas Vepstas
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