Date: Wed, 28 Sep 2005 15:56:07 +0200 From: Bernd Walter <ticso@cicely12.cicely.de> To: Tillman Hodgson <tillman@seekingfire.com> Cc: alpha@freebsd.org, ticso@cicely.de Subject: Re: FreeBSD 6.0/alpha estbuild available with limited EISA probing Message-ID: <20050928135607.GO54923@cicely12.cicely.de> In-Reply-To: <20050928104628.GH54923@cicely12.cicely.de> References: <200509251834.j8PIYILp009593@repoman.freebsd.org> <20050926064449.GA19636@freebie.xs4all.nl> <20050927002307.GA74300@seekingfire.com> <20050927111328.GB54923@cicely12.cicely.de> <20050928024738.GA89409@seekingfire.com> <20050928104628.GH54923@cicely12.cicely.de>
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On Wed, Sep 28, 2005 at 12:46:29PM +0200, Bernd Walter wrote: > On Tue, Sep 27, 2005 at 08:47:38PM -0600, Tillman Hodgson wrote: > > On Tue, Sep 27, 2005 at 01:13:29PM +0200, Bernd Walter wrote: > > > On Mon, Sep 26, 2005 at 06:23:07PM -0600, Tillman Hodgson wrote: > > > > On Mon, Sep 26, 2005 at 08:44:49AM +0200, Wilko Bulte wrote: > > > > > Folks, > > > > > > > > > > Please try a testbuild based on BETA5 that is currently uploading > > > > > to ftp-master. > > > > > > > > I just finished a test boot on it -- it panics in the same way as > > > > before. My hardware is 2100A, and I don't have any EISA cards (though it > > > > does have an EISA bus). > > > > > > :( > > > > > > A boot -v would be fine, although I have to admit that this is just a > > > blind try to get at least any idea. > > > > A regular boot followed by a boot -v can be found at > > http://www.seekingfire.com/tmp/alpha_boot.txt. > > The panic locks similar, but it is different. > We even have a different panic vector 0x660 instead of 0x670. > That really means that the EISA slot number did something good. > What we see is a oanic that happens when probing the secondary PCI > bus - we are over the EISA stuff at this point. > The brigde seems to be onboard and according to SRM you have 3 chips > behind it. > I don't know how good we are with PCI-bridges on AS2100A. > Please try to remove all PCI cards from that bus and see if it makes > a difference. > If it boots then try shuffling the cards. Vector 0x660 should be uncorrectable memory error. Normally this means faulty RAM producing multiple error bits, but in this case it likely is accessing non available PCI space during probing. Under normal conditions we should expect such machine checks when probing PCI config space and ignore them. Either a PCI device tells us about memory that is not configured or we do something wrong ignoring probing errors. -- B.Walter BWCT http://www.bwct.de bernd@bwct.de info@bwct.de
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