Date: Tue, 21 Sep 2004 12:19:30 -0700 From: Julian Elischer <julian@elischer.org> To: Julian Elischer <julian@elischer.org> Cc: Stephan Uphoff <ups@tree.com> Subject: Re: scheduler (sched_4bsd) questions Message-ID: <41507EC2.8030805@elischer.org> In-Reply-To: <41507DB9.4030007@elischer.org> References: <1095468747.31297.241.camel@palm.tree.com> <200409181653.35242.jhb@FreeBSD.org> <414D30EC.1000104@elischer.org> <200409201446.15278.jhb@FreeBSD.org> <414F7DA3.6090409@elischer.org> <1095788468.53798.92.camel@palm.tree.com> <41507DB9.4030007@elischer.org>
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Julian Elischer wrote: >> >> >> Great news ! - I actually switched target machines just when this >> started to happen and thought the cdrom of the new target was bad and >> disconnected it ;-) >> >> I reconnected it this morning and did a little debugging. >> Looks like an interrupt race condition in the ata code. >> Can you try the following patch? >> > > awsome! > ---------------- > ad0: 9541MB <ST310211A/3.39> [19386/16/63] at ata0-master UDMA100 > ATAPI_RESET time = 50us > acd0: CDROM <CDU5211/YYS2> at ata1-master PIO4 > Mounting root from ufs:/dev/ad0s1a > ------------------ > > notice there is still a single reset message, that doesn't appear > without PREEMPTION > but now boots take less than 5 minutes :-) I stand corrected.. the message does appear with no preemption. (I was certain that it didn't but.. I can't argue with my eyes..) > > > > > _______________________________________________ > freebsd-arch@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-arch > To unsubscribe, send any mail to "freebsd-arch-unsubscribe@freebsd.org"
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