Date: Thu, 21 Jun 2001 09:20:07 -0700 (PDT) From: Giorgos Keramidas <keramida@ceid.upatras.gr> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/28297: change request for sys/i386/conf/NOTES Message-ID: <200106211620.f5LGK7t50063@freefall.freebsd.org>
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The following reply was made to PR kern/28297; it has been noted by GNATS. From: Giorgos Keramidas <keramida@ceid.upatras.gr> To: Bruce Evans <bde@zeta.org.au> Cc: Dima Dorfman <dima@unixfreak.org>, freebsd-gnats-submit@FreeBSD.ORG, phk@FreeBSD.ORG Subject: Re: kern/28297: change request for sys/i386/conf/NOTES Date: Thu, 21 Jun 2001 19:18:10 +0300 On Thu, Jun 21, 2001 at 03:58:17PM +1000, Bruce Evans wrote: > On Thu, 21 Jun 2001, Giorgos Keramidas wrote: > > > > Yes, if NOTES is not supposed to set variables to their defaults, this > > seems reasonable. Am sure we can close this PR in that case. The > > comment seemed to indicate that this is the default though. Perhaps > > we should reword the comment to read something like: > > > > The default is 5, although you can set it to any other value (for > > instance 20) as shown below. > > Except the default isn't 5 in -current; it used to be 5; but was changed > to 45 in rev.1.109 of kern_tc.c (the SMPng megacommit). The log message > for rev.1.09 of course didn't say anything about this change. It > should have said something like "work around problems caused by extra > interrupt latency in SMPng by incrementing NTIMECOUNTER to 45"). > > There are many nearby bugs. E.g, "sysctl -w kern.timecounter.method=1" > isn't a good strategy, and it doesn't exist in -current. Ahem. I just checked with `sysctl -a | grep timecounter' and you are right, as I expected. Well, if you ask me, NOTES needs to be updated a bit, but I'm afraid that I dont have all the knowledge it takes. All I can do is, when I come up with differences in what I see and whats described in there, to file a PR and say so. Well, any suggestions for the matter at hand? The NTIMECOUNTER description in NOTES, I mean. -giorgos To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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