From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Mosberger Date: Thu, 10 Feb 2005 00:54:45 +0000 Subject: RE: [patch 2.6.11-rc3-bk4] Correctly dereference ia64_mca_data Message-Id: <16906.45269.60406.579140@napali.hpl.hp.com> List-Id: References: <23464.1107851114@kao2.melbourne.sgi.com> In-Reply-To: <23464.1107851114@kao2.melbourne.sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org >>>>> On Wed, 9 Feb 2005 16:44:44 -0800, "Luck, Tony" said: >> It just went bang, saying that "f6" was corrupted ... but I'm not >> doing the right things to tickle the corner case on a regular >> basis ... so I only have the one data point so far. Tony> Hmmm ... I'm not seeing anyplace where f6 is saved in the MCA Tony> path before we call up to ia64_mca_ucmc_handler() ... which is Tony> bad as f6 is designated as a scratch register. That certainly would do the trick. Am I seeing this right: the path doesn't save practically nothing other than what is saved in the PAL min-state area? The path presumably also ought to switch the register-backing store (I think Keith alluded to this previously). --david