Date: Tue, 26 Feb 2002 19:12:06 +0100 From: Wilko Bulte <wkb@freebie.xs4all.nl> To: Andrew Gallatin <gallatin@cs.duke.edu> Cc: yvictorovich@optima-hyper.com, alpha@FreeBSD.ORG Subject: Re: "unexpected machine check" on AS1000A Message-ID: <20020226191206.D75343@freebie.xs4all.nl> In-Reply-To: <15483.52551.296701.638173@grasshopper.cs.duke.edu>; from gallatin@cs.duke.edu on Tue, Feb 26, 2002 at 01:00:39PM -0500 References: <E052D8D86575D511A0E1009027D3B862150889@hqsmail.SNET> <15483.52551.296701.638173@grasshopper.cs.duke.edu>
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On Tue, Feb 26, 2002 at 01:00:39PM -0500, Andrew Gallatin wrote: Time to reseat the SIMMs. Had things like this on a AS1000A at work. Half-baked nonbrand simms also tend to give problems on Noritake. Wilko > > > The cpu option in the config file is meaningless & should be ignored > on alpha. However, you should be able to add > CPUTYPE=ev56 > to /etc/make.conf. This will result in smaller, faster binaries which > have a better chance of avoiding optimizer bugs at higher optimization > levels. > > However, your problem is probably bad memory. It looks like you had 5 > single bit errors (one for each "Warning: received processor > correctable error") then then you had a multiple bit error, which > cannot be corrected & results in the hardware throwing an > uncorrectable machine check. > > > > Drew > > > Yuri Victorovich writes: > > On my AS1000A 5/500, 500MHz I got FreeBSD 4.5 > > installed. > > Kernel cvsuped from FreeBSD 4.5 STABLE (RELENG_4) > > as of today's morning and rebuilt > > with > > << > > options DEC_1000A > > cpu EV5 > > >> > > Other similar options DEC_XXX and EV4 are > > commented out since they are for other > > kinds of alpha. > > > > Machine boots up and after some while of > > "make world" and some other activities > > "unexpected machine check", see log > > below. > > > > Can it be because of preceding "processor > > correctable error"? > > > > Or maybe because when system boots it > > identifies cpu as: > > > > CPU: EV56 (21164A) major=7 minor=1 extensions=0x1<BWX> > > > > and in options is only EV5 the closest match? > > > > What's strange -- this never happened during several > > installs from floppies and CDROM or FTP. > > > > Other info of possible interest from boot log: > > OSF PAL rev: 0x1000600020116 > > > > Or am I missing something again? )) > > > > Any help will be greatly appreciated! > > > > Yuri. > > > > > > ================================================ > > > > [...] > > Feb 26 11:19:11 s2 /kernel: cd0 at isp0 bus 0 target 4 lun 0 > > Feb 26 11:19:11 s2 /kernel: cd0: <DEC RRD46 (C) DEC 1337> Removable CD-ROM > > SCSI-2 device > > Feb 26 11:19:11 s2 /kernel: cd0: 10.000MB/s transfers (10.000MHz, offset 8) > > Feb 26 11:19:11 s2 /kernel: cd0: Attempt to query device size failed: NOT > > READY, Medium not present > > Feb 26 11:19:48 s2 su: yuri to root on /dev/ttyp0 > > Feb 26 11:20:09 s2 login: ROOT LOGIN (root) ON ttyd0 > > Feb 26 11:22:57 s2 /kernel: Warning: received processor correctable error. > > Feb 26 11:31:29 s2 /kernel: Warning: received processor correctable error. > > Feb 26 11:33:03 s2 last message repeated 3 times > > Feb 26 11:39:07 s2 /kernel: > > Feb 26 11:39:07 s2 /kernel: unexpected machine check: > > Feb 26 11:39:07 s2 /kernel: > > Feb 26 11:39:07 s2 /kernel: mces = 0x1 > > Feb 26 11:39:07 s2 /kernel: vector = 0x670 > > Feb 26 11:39:07 s2 /kernel: param = 0xfffffc0000006060 > > Feb 26 11:39:07 s2 /kernel: pc = 0xfffffc00003cc09c > > Feb 26 11:39:07 s2 /kernel: ra = 0xfffffc00004231f4 > > Feb 26 11:39:07 s2 /kernel: curproc = 0xfffffe00098ded00 > > Feb 26 11:39:07 s2 /kernel: pid = 15247, comm = install > > Feb 26 11:39:07 s2 /kernel: > > Feb 26 11:39:07 s2 /kernel: panic: machine check > > Feb 26 11:39:07 s2 /kernel: > > Feb 26 11:39:07 s2 /kernel: syncing disks... 84 25 24 24 24 24 24 24 24 24 > > 24 24 24 24 24 24 24 24 24 24 24 24 > > Feb 26 11:39:07 s2 /kernel: giving up on 24 buffers > > Feb 26 11:39:07 s2 /kernel: Uptime: 17m42s > > > > > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-alpha" in the body of the message > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-alpha" in the body of the message ---end of quoted text--- -- | / o / /_ _ wilko@FreeBSD.org |/|/ / / /( (_) Bulte Arnhem, the Netherlands To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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