Date: Mon, 23 Sep 2002 14:19:31 -0700 From: Brooks Davis <brooks@one-eyed-alien.net> To: Matthew Jacob <mjacob@feral.com> Cc: Brooks Davis <brooks@one-eyed-alien.net>, scsi@FreeBSD.org Subject: Re: cvs commit: src/sys/cam/scsi scsi_all.c Message-ID: <20020923141931.A20487@Odin.AC.HMC.Edu> In-Reply-To: <Pine.BSF.4.21.0209231355210.637-100000@beppo>; from mjacob@feral.com on Mon, Sep 23, 2002 at 01:59:48PM -0700 References: <20020923134731.A14701@Odin.AC.HMC.Edu> <Pine.BSF.4.21.0209231355210.637-100000@beppo>
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--BOKacYhQ+x31HxR3 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Sep 23, 2002 at 01:59:48PM -0700, Matthew Jacob wrote: >=20 > But you did, in fact, change the default behaviour in that SCSI_DELAY=3D0 > had been an accepted config option before. I've restored the ability to > do this. And I am in no way shooting myself in the foot- that claim on > your part is unnecessary and misplaced. In a system with 144 PCI slots, > e.g,, should we ever install FreeBSD on an alpha 8400 and fill it full > of either Fibre Channel cards, or with SCSI cards that are connected to > anything more modern than 1992 and more pricey than a UMASS device, I'd > like to have it finish booting this year. >=20 > I don't think it's particularly important to be able use the tunable to > set back down to zero as long as those of us who need to make the > behaviour more acceptable for high end system can do so. When I looked at the code again, I realized there is one reason to want to be able to set it to zero which is that the check is now applied to boot time (in init_scsi_delay()) so is you set SCSI_DELAY=3D0 you get SCSI_DELAY=3DSCSI_MIN_DELAY even if if you compile it in. Given you example above, maybe we should just remove the checks entierly since in the current configuration you would have 14.4sec of delay (not hugh, but perhaps undesirably large). My comment about footshooting was refering to removing the attempt to keep people from trying to set the value in seconds, not that you were doing it to yourself. I'm fully aware you know more about scsi them I'm, ever likely to. :) -- Brooks --=20 Any statement of the form "X is the one, true Y" is FALSE. PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4 --BOKacYhQ+x31HxR3 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: For info see http://www.gnupg.org iD8DBQE9j4VjXY6L6fI4GtQRAj7lAJ9P1Wv3R/L8LpAp3NmEMMz8WtFKugCff6vr +umKdNhBq9GsbdekXUKFStM= =dEHs -----END PGP SIGNATURE----- --BOKacYhQ+x31HxR3-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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