From: Keith Owens <kaos@sgi.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [Linux-ia64] Exception handling and recovery
Date: Wed, 13 Mar 2002 14:08:17 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590701905258@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590701905250@msgid-missing>
On Wed, 13 Mar 2002 07:58:32 -0600 (CST),
Jack Steiner <steiner@sgi.com> wrote:
>I may have missed the context of the question, but on IA64 if kdb
>makes a reference to a bad region 6 or 7 pointer, it may trigger an MCA.
>MCAs are not recoverable via search_exception_table().
Agreed, but some recoverable errors are not currently checking the
exception table. For example, sys_query_module = 0xe000000000a64000,
id 0xc000000000a64000 (same address, but region 6) fails with 'General
Exception: IA-64 Reserved Register/Field fault (data access)'. The
more resilient I can make kdb, the better I like it, hence my wish to
add recovery to ia64_fault().
prev parent reply other threads:[~2002-03-13 14:08 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-13 3:53 [Linux-ia64] Exception handling and recovery Keith Owens
2002-03-13 4:51 ` David Mosberger
2002-03-13 5:22 ` Keith Owens
2002-03-13 5:32 ` David Mosberger
2002-03-13 13:58 ` Jack Steiner
2002-03-13 14:08 ` Keith Owens [this message]
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