Date: Wed, 20 Dec 2006 13:07:50 +0800 From: Ma <majie.mailinglist@gmail.com> To: "Stephen Montgomery-Smith" <stephen@math.missouri.edu> Cc: freebsd-stable@freebsd.org Subject: Re: (Seemingly) Spontaneous rebooting Message-ID: <fb8e309e0612192107n48253875x6efd3b171201f207@mail.gmail.com> In-Reply-To: <45880199.7050503@math.missouri.edu> References: <455D5F38.4060208@joeholden.co.uk> <455D66D6.8080708@joeholden.co.uk> <20061117114754.dafdbc1a.dom@helenmarks.co.uk> <455DBAAD.6080403@joeholden.co.uk> <0BE259F4-95BC-4A44-983F-5F65921EFD14@lassitu.de> <455DBF71.8060203@joeholden.co.uk> <455FCB7C.8000600@joeholden.co.uk> <fb8e309e0612190119t184691e9v8ca7b52d191fdd6e@mail.gmail.com> <4587EDBF.3020804@joeholden.co.uk> <45880199.7050503@math.missouri.edu>
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I'm also using this version of BSD on SMP. And just now, I rebuild another verion 6.1-RELEASE-p11. The system crashed again within one hour. I'd like to try to use Uni-Processor mode to try again. Any one know how to set the system to one processor without recompile kernel or remove hardware? -- Ma Jie 2006/12/19, Stephen Montgomery-Smith <stephen@math.missouri.edu>: > > Joe Holden wrote: > > Ma wrote: > > > >> I have almost the same reboots on my server. :( And it may reboot > >> serval times a day. I'd like to know how to get crash dumps? What is > >> added in your rc.conf? > >> > >> -- > >> Ma Jie > >> > > Hi, I used the rc.conf values as set out in rc,conf(5) > > > > root@claire# grep crash /etc/defaults/rc.conf > > dumpdev="NO" # Device to crashdump to (device name, AUTO, or > > NO). > > dumpdir="/var/crash" # Directory where crash dumps are to be stored > > > > I set dumpdev to my swap partition, although nothing got dumped, > > although I did upgrade it to -CURRENT as i'd exhausted everything else, > > and its not crashed since, not wishing to flame/troll/whatever, but 6.x > > seems to have a fair few issues. > > > I posted a dump of a crash I had with a recent RELENG_6 computer a few > weeks ago. It was one of those fairly useless dumps where the program > counter seems to be completely meaningless. > > I also had similar behavior about a year ago, which seemed to be > produced by a bug that is now fixed. (That one I could make it happen > at will by running a multithreaded program on a 4 processor system, and > "top -s0" at the same time.) I do recall the nature of the crash is > that sometimes it produced dumps, and sometimes it didn't. And when it > did they were useless. > > The crash seemed always to be with a page fault. I experienced it on > two computers, both with SMP. > > Anyway, what I am saying is that all these people might be seeing a > genuine problem that by its very nature does not produce meaningful dumps. > > If this problem is real, perhaps one solution is to put out release 6.2 > fairly soon, then lots of people will try it and experience this > problem. Then you guys will have lots of evidence to work with. Then > when you fix it, put out release 6.3 much sooner than otherwise > anticipated. (I should add that my wife accuses me of having humor that > is too dry.) > > Stephen > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > -- Ma Jie
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