Date: Sun, 19 May 1996 23:42:25 -0400 (EDT) From: Brian Tao <taob@io.org> To: Bruce Evans <bde@zeta.org.au> Cc: FREEBSD-HACKERS-L <freebsd-hackers@FreeBSD.ORG> Subject: Re: Slow tty updates and high load, but idle CPU Message-ID: <Pine.NEB.3.92.960519232722.28428l-100000@zap.io.org> In-Reply-To: <199605200254.MAA00774@godzilla.zeta.org.au>
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On Mon, 20 May 1996, Bruce Evans wrote:
>
> ttwrite() is probably sleeping on lbolt. This should be easy to check
> by looking at the sleep address in ps output.
Tell me if I'm on the right track: "nm /kernel | fgrep lbolt"
gives me the address 0xf01d605c. Judging by the output of
"ps axO nwchan", I should look for processes waiting at 1d605c?
> ttwrite() sleeps on lbolt when the system runs out of clists. clists
> may run out because they are broken as designed or because of a bug
> that was fixed in -current on 1995/12/15 and in -stable on 1996/01/03.
I'll check back on this in a couple of weeks, perhaps upgrade one
of the machines to the May 1 snapshot.
--
Brian Tao (BT300, taob@io.org, taob@ican.net)
Systems and Network Administrator, Internet Canada Corp.
"Though this be madness, yet there is method in't"
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