Date: Tue, 6 Mar 2001 23:51:17 -0600 From: Mike Meyer <mwm@mired.org> To: Trevin Chow <tmchow@sfu.ca> Cc: questions@freebsd.org Subject: Re: Kernel Crashing -- tail of vmcore.0 Message-ID: <15013.52309.421438.697901@guru.mired.org> In-Reply-To: <84586061@toto.iv>
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Trevin Chow <tmchow@sfu.ca> types: > Hi, > > My kernel has been crashing like crazy at unexpected times, usually > during heavy load (usually while I"m compiling something). > > I had no idea why, but on recommendation of someone on the list I > installed a debugging kernel and set dumpdev in my /etc/rc.conf file. > > Here is the tail of my /var/crash/vmcore.0 file: That's a bit surprising for what's in vmcore. Anyway, what you need to do is get a stack trace from the vmcore and vmkernel files. Information on how to do that is in the handbook section on "kernel debugging". <mike > ------------------- > mode = 0100644, inum = 450752, fs = /usr > panic: ffs_valloc: dup alloc > > syncing disks... 119 117 91 61 28 7 > done > Uptime: 1d18h32m12s > > dumping to dev #ad/0x20001, offset 163840 > dump ata0: resetting devices .. done > 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 > 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 > 1 > ------------------ > > Does this help at all in diagnosing the cause of my crashes? > > > Regards, > Trevin Chow > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > -- Mike Meyer <mwm@mired.org> http://www.mired.org/home/mwm/ Independent WWW/Perforce/FreeBSD/Unix consultant, email for more information. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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