From: jfaslist <jfaslist@yahoo.fr>
To: Anton Blanchard <anton@samba.org>
Cc: linuxppc64-dev@ozlabs.org
Subject: Re: Maple: killing a process that causes a machine check exception
Date: Tue, 23 May 2006 18:09:35 +0200 [thread overview]
Message-ID: <447333BF.6060306@yahoo.fr> (raw)
In-Reply-To: <20060523151541.GB10468@krispykreme>
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Hi,
What do you mean by synchronous? Do you mean that the current process
may no be not the one that caused the ME?
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!
-jfs
Anton Blanchard wrote:
>>By applying the following mods (plse see below), i was able to have a
>>user process that caused a machine check exception to be terminated (on
>>a Maple platform), as expected. I was wondering why the PPC64 had a
>>different ME handling than PPC which does send the SIGBUS to the process?
>>
>>
>
>Not all machine checks are synchronous so we cant always do this. From
>memory the ppc64 version will panic if the machine check wasnt
>synchronous.
>
>Anton
>
>
>
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next prev parent reply other threads:[~2006-05-23 16:09 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 [this message]
2006-05-23 16:23 ` Anton Blanchard
2006-05-23 16:30 ` jfaslist
2006-05-23 16:48 ` Linas Vepstas
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