Date: Sun, 26 Sep 2004 12:23:33 -0400 From: Brian Fundakowski Feldman <green@freebsd.org> To: "M. Warner Losh" <imp@bsdimp.com> Cc: cvs-src@freebsd.org Subject: Re: cvs commit: src/sys/net if.c Message-ID: <20040926162333.GC1164@green.homeunix.org> In-Reply-To: <20040925.225150.20525280.imp@bsdimp.com> References: <20040924094950.N39925@pooker.samsco.org> <20040924161807.GJ959@green.homeunix.org> <20040925203122.GF83620@cirb503493.alcatel.com.au> <20040925.225150.20525280.imp@bsdimp.com>
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On Sat, Sep 25, 2004 at 10:51:50PM -0600, M. Warner Losh wrote: > In message: <20040925203122.GF83620@cirb503493.alcatel.com.au> > Peter Jeremy <PeterJeremy@optushome.com.au> writes: > : On Fri, 2004-Sep-24 12:18:07 -0400, Brian Fundakowski Feldman wrote: > : >On Fri, Sep 24, 2004 at 09:51:31AM -0600, Scott Long wrote: > : >> On Fri, 24 Sep 2004, Brian Fundakowski Feldman wrote: > : >> > Every time it "appears" to be fixed, I can't get any kind of stability > : >> > with SMP, PREEMPTION, and SCHED_ULE; I'm certainly willing to try it > : >> > each time it looks to be fixed. > : >> > : >> Would you please copy me on the reports that you've sent to Julian so I > : >> can track them also? > : > > : >The only way I can get reports other than "it hung, serial DDB and > : >SW_WATCHDOG are no help" is if somehow I gain some kind of real > : >hardware watchdog. :( > : > : If you have an ISA slot handy, you can trivially generate NMI by > : shorting a pair of opposite pins (from memory the pair closest to the > : rear but I can't quickly verify that). Unfortunately, raising SERR# > : on a PCI bus appears to require some logic. > > A1 and B1 pins. This clocks #IOCHK. However, this doesn't work on > all bridge chipsets, and many of them don't reset correctly w/o > changes to the tree. I've submitted them to bde a long time ago, but > he didn't like them for reasons that I don't recall at the moment. > > However, it will work on most chipsets. Least of which my modern Athlon MP chipset which has no physical ISA slots. -- Brian Fundakowski Feldman \'[ FreeBSD ]''''''''''\ <> green@FreeBSD.org \ The Power to Serve! \ Opinions expressed are my own. \,,,,,,,,,,,,,,,,,,,,,,\
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