Date: Wed, 16 Sep 1998 21:43:12 +0000 (GMT) From: Terry Lambert <tlambert@primenet.com> To: jmz@FreeBSD.ORG (Jean-Marc Zucconi) Cc: tlambert@primenet.com, current@FreeBSD.ORG Subject: Re: incorrect output from w Message-ID: <199809162143.OAA28315@usr04.primenet.com> In-Reply-To: <199809160215.EAA09875@qix> from "Jean-Marc Zucconi" at Sep 16, 98 04:15:33 am
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> >> How can the IDLE time be greater than the uptime? > > > Are you mounting "noatime" or "async"? > > A partition holding the src tree is mounted noatime and a scratch > partition is mounted async. /tmp is on a MFS. All other partitions (/, > /usr, etc...) use default flags (atime, noasync). In general, idle time is calculated from the timestamp on the tty, while uptime is an uptime wall clock. If you have rebooted a chine after a period of inactivity, and a network timesync did not occur before you logged in, then you could see this much drift in that little time. Alternately, if you were not updating the times correctly (the contents of the /dev directory were on an FS where updates were disabled), then you could also see this. Finally, I have assumed that these session are real, and not a wtmp artifact of a system crash. If you did not fix wtmp on boot, you could see "phantom" processes hanging around like this, as well. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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