Date: Fri, 22 Mar 2002 18:10:42 +0100 From: Wilko Bulte <wkb@freebie.xs4all.nl> To: Sam Leffler <sam@errno.com> Cc: sos@freebsd.dk, Ian Dowse <iedowse@maths.tcd.ie>, Jon Larssen <jonlarssen@hotmail.com>, freebsd-stable@FreeBSD.ORG, sos@FreeBSD.ORG Subject: Re: Is ATA partially broken in -STABLE? Message-ID: <20020322181042.B58745@freebie.xs4all.nl> In-Reply-To: <407801c1d1c0$74867760$52557f42@errno.com>; from sam@errno.com on Fri, Mar 22, 2002 at 08:41:44AM -0800 References: <200203221248.g2MCmib27911@freebsd.dk> <407801c1d1c0$74867760$52557f42@errno.com>
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On Fri, Mar 22, 2002 at 08:41:44AM -0800, Sam Leffler wrote: > Actually, two races were reintroduced--one for disks and one for cdroms. > Please see my note with a tested patch. Could it be that this problem also influences a sysinstall? I built a 4.5-STABLE 'release' and the resulting CD boots just fine from IDE CD (according to the the device probe messages) but sysinstall tells me that it does not find a CDROM drive to install from. Verified on two different Proliant models, on both 4.5R sysinstall works just fine Wilko > Sam > > ----- Original Message ----- > From: "Søren Schmidt" <sos@freebsd.dk> > To: "Ian Dowse" <iedowse@maths.tcd.ie> > Cc: "Jon Larssen" <jonlarssen@hotmail.com>; <freebsd-stable@FreeBSD.ORG>; > <sos@FreeBSD.ORG> > Sent: Friday, March 22, 2002 4:48 AM > Subject: Re: Is ATA partially broken in -STABLE? > > > > It seems Ian Dowse wrote: > > > In message <200203220933.g2M9XGT90073@freebsd.dk>, Søren Schmidt writes: > > > >Its a known problem, the old way of solving it was: > > > > > > Ok - is there a good reason for not using spl calls to block the > > > interrupt until the tsleep(), or is it just an oversight? I guess > > > maybe you are trying to avoid the delay associated with deferring > > > the interrupt, but it must open up a number of races, especially > > > if the ATA interrupt line is shared with something else. > > > > The driver used asleep to avoid the race before the MFC, one of > > those got lost in the MFC, sorry... > > > > -Søren > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-stable" in the body of the message > > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the message ---end of quoted text--- -- | / o / /_ _ wilko@FreeBSD.org |/|/ / / /( (_) Bulte Arnhem, the Netherlands To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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