From: Jeremy Fitzhardinge <jeremy@goop.org>
To: James Harper <james.harper@bendigoit.com.au>
Cc: xen-devel@lists.xensource.com
Subject: Re: Dom0 crash after bad use of gntdev
Date: Mon, 06 Dec 2010 10:18:43 -0800 [thread overview]
Message-ID: <4CFD2903.3010705@goop.org> (raw)
In-Reply-To: <AEC6C66638C05B468B556EA548C1A77D01BB877B@trantor>
On 12/05/2010 09:43 PM, James Harper wrote:
> I have a bug in some code running in Dom0 that uses gntdev and it's
> crashing Dom0 when it goes wrong. I'm not sure exactly what it's doing
> wrong but is it acceptable for this to happen? The things I know are
> that I'm passing an invalid array to xc_gnttab_map_grant_refs and then
> unmapping it without checking the result of the mapping. I'm not sure
> what else is going on aside from those two things.
In principle the kernel shouldn't crash as a result from misuse of an
ABI, and it often indicates some problem which might affect things in a
more subtle way under other circumstances. Can you post the details of
your crash and what your program is doing?
Thanks,
J
prev parent reply other threads:[~2010-12-06 18:18 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-06 5:43 Dom0 crash after bad use of gntdev James Harper
2010-12-06 18:18 ` Jeremy Fitzhardinge [this message]
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