Date: Thu, 09 May 1996 21:10:10 +0000 From: Matt Thomas <matt@lkg.dec.com> To: Joe Greco <jgreco@brasil.moneng.mei.com> Cc: hackers@freebsd.org, rgrimes@gndrsh.aac.dev.com Subject: Re: Problems with a SMC EtherPower 10/100 on Triton-II? Message-ID: <199605092110.VAA02322@whydos.lkg.dec.com> In-Reply-To: Your message of "Thu, 09 May 1996 19:23:12 EST." <199605100023.TAA01429@brasil.moneng.mei.com>
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> We've recently upgraded a news server to an ASUS Triton-II board (P133, > 256MB RAM, AHA-3940, NCR-810, SMC 10/100). There's an intermittent memory > problem that we are tracking, but this did not seem to be related. > > It has crashed twice, spewing the following errors: > > May 9 18:44:06 daily-planet xntpd[85]: time reset (step) -0.296390 s > May 9 18:51:04 daily-planet /kernel: de0: abnormal interrupt: 0xffffffff [0x1b14b] Yikes! It's not possible for the DC21140 status register to be all 1s. There is something seriously broken here. > May 9 18:51:04 daily-planet /kernel: de0: abnormal interrupt: 0xfcefa044 [0x1a040] > May 9 18:51:04 daily-planet /kernel: de0: abnormal interrupt: 0xfceea004 [0x0a000] This is bad. Very bad. Very very very very bad. Abnormal interrupt + Fatal Bus Error, type Master Abort. >From the DC21140 bible: Fatal Bus Error -- Indicates a fatal bus error ocurrred. If a system error occurs, the 21140 disables all bus access. 5.5.2.1.3 Master Abort If the target does not asert _devsel_l_ within five cycles from the assertion of _frame_l_, the 21140 performs a normal completion. It then releases the bus and asserts both master abort (CFCS<29>) and fatal bus error (CSR5<13>). I have never ever seen this happen. This is basically either the TritonII host-bridge is screwing up big time or some other device is screwing up the PCI bus. Didn't intel recently (as of week weeks ago) introduce a new rev of the TritonII chipset(s)? What does FreeBSD think your machine has in it? I would worry about your motherboard and not the SMC 10/100. -- Matt Thomas Internet: matt@3am-software.com 3am Software Foundry WWW URL: http://www.3am-software.com/bio/matt.html Westford, MA Disclaimer: I disavow all knowledge of this message
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