Date: Sat, 9 Feb 2002 18:40:11 -0500 From: stan <stanb@awod.com> To: Danny Pansters <danny@ricin.com> Cc: Free BSD Questions list <freebsd-questions@freebsd.org> Subject: Re: Kernel Panic on 4.5 STABLE Message-ID: <20020209234011.GA8934@teddy.fas.com> In-Reply-To: <20020209222812.50D8824D28@mail.ricin.net> References: <20020209160959.GA1010@teddy.fas.com> <20020209184859.30E4924D28@mail.ricin.net> <20020209192006.GA5041@teddy.fas.com> <20020209222812.50D8824D28@mail.ricin.net>
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On Sat, Feb 09, 2002 at 11:28:34PM +0100, Danny Pansters wrote: > On Saturday 09 February 2002 20:20, you wrote: > > > A strings on the kernel.GENERIC confirms that it is a 4.4 RELEASE > > kernel. > > I noted that changing MAXUSERS didn't help. I have a couple of > questions: > > 1. which periodic is running when the panic occurs, eg daily, weekly ? > do you know which script is running when it happens, it may help > to put some extra echos in them to find out daily, and I have run each of it's script by hadn. This does not cause the panic. This makes it a little hard to determine, just which script is trigering it. I set perodic to log, istead of maul, since the mail was getting clobered by the panics. The last message I get is about last dumps. But because of buffering I'm pretty certain it's not the next script thta trigers the panic. I _suspect_ it's the statuss_metwork script, based mainly upon the fact that the process that is executing when the panic occurs is _alwways_ ipfw. > 2. what services do you run? A lot, nfs, rwhod telnetd, sshd..... > 3. softupdates enabled? Yes, and I'm bout ready to give up on thta. I've always thoght of FreeBSD boxes as being rock solid, but I've had a lot of trouble with a couple of them. The ommon item to them? softupdates :-( > > Thing is, I have 3 boxes which are all more or less 4.5 (two > 4.5-stable, one releng_4_5) and one of them, my firewall/router has > paniced/rebooted several times last week, I think 4 times or so. It > runs named, squid, ntpd, sshd, nfsd and the usual syslogd etc. I'm > starting to wonder if our problems might be related. I don't run squid, or ntpd, but they certainly sound similar. > > Because this would occur a short while after not seeming to be > getting DNS resolving on my desktop box (for which the firewall box > is DNS cache and http proxy server), and at one time I saw named > running away with 98% CPU before it crapped out, I was of course > suspecting named. However, on a server box I'm currently setting up > (which has been updated once from 4.4-stable to releng_4_5) named > runs just fine albeit its being queried a lot less as its set up to > only provide DNS for its own domains which are not publicly > accessable yet. > > Yesterday I saw some mentioning in the mailing list archives about > named getting upset if the time changes (it gets a negative time > interval thats being used internally I'd reckon), I was starting to > think that ntpd+named could lead to trouble. IIRC this box (which has > been a very solid desktop in the past) had a little peculiarity in > that the system time would run slightly too fast. It was an ntp > client then but it had no named. I am a bit concerned about this > named+ntpd thing as it makes a lot of sense to run ntp on a > to-be-colocated server. I'm runing a ntp client, but not named, so that is definatley not the problem I am seeing. > > As I've seen people mention before that nfsd+softupdates may cause > problems, I'm wondering if softupdates (which are auto-enabled if > someones installs 4.5-REL now) may be causing this trouble under > certain circumstances, maybe not just with nfs exports. There was > another guy on the list with page faults on 4.5-rel. > Thanks :-( BTW, I'm going to copy this back to the list. Hope you don't mind. I'm getting desperate for some help here. -- "They that would give up essential liberty for temporary safety deserve neither liberty nor safety." -- Benjamin Franklin To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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