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From: Gerd Knorr <kraxel@bytesex.org>
To: Blaisorblade <blaisorblade@yahoo.it>
Cc: Jeff Dike <jdike@addtoit.com>,
	user-mode-linux-devel@lists.sourceforge.net
Subject: [uml-devel] Re: uml-general-protection-fault even more kludgy but mergeable
Date: Tue, 17 May 2005 12:03:17 +0200	[thread overview]
Message-ID: <20050517100317.GB20584@bytesex> (raw)
In-Reply-To: <200505170005.43629.blaisorblade@yahoo.it>

> So, in practice, it's correct to call bad_segv() as done in the patch, but we 
> miss some cases. Only this time I've verified this well enough that I feel we 
> could merge your patch. However, I've not found any possible *realistic* 
> source of general protection faults. Especially I didn't find what expected 
> (i.e. I/O errors).

The case I trapped into was an attempt to access I/O ports of a
process running inside the uml.  The uml kernel then tried to
handle that as page fault, which didn't work very well ...

  Gerd

-- 
-mm seems unusually stable at present.
	-- akpm about 2.6.12-rc3-mm3


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  reply	other threads:[~2005-05-17 10:08 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-16 22:05 [uml-devel] uml-general-protection-fault even more kludgy but mergeable Blaisorblade
2005-05-17 10:03 ` Gerd Knorr [this message]
2005-05-17 10:24   ` [uml-devel] " Bodo Stroesser
2005-05-17 10:59     ` Gerd Knorr

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