Date: Tue, 16 Mar 1999 15:24:37 -0700 (MST) From: "Kenneth D. Merry" <ken@plutotech.com> To: mjacob@feral.com Cc: joerg_wunsch@uriah.heep.sax.de, freebsd-scsi@FreeBSD.ORG Subject: Re: Strange SCSI QIC tape behaviour Message-ID: <199903162224.PAA28232@panzer.plutotech.com> In-Reply-To: <Pine.LNX.4.04.9903161422090.12815-100000@feral-gw> from Matthew Jacob at "Mar 16, 1999 2:22:33 pm"
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Matthew Jacob wrote... > > > > I also noticed that the sa driver doesn't claim device entries in > > > DEVFS. This should be easy to fix (and a lot more of the CAM entries > > > are missing, only the da's are there), so i could try to fix this > > > myself. > > > > IIRC, the problem is that the version of DEVFS that we have now can't > > handle device arrival/removal events from an interrupt context. Julian had > > a version of DEVFS/SLICE at one point that could handle being called from > > an interrupt context, however. Bruce looked into the DEVFS/CAM thing a > > while back, and conculded it wouldn't work for now. If you want details, > > ask him. > > > > So, the bottom line is, if you're using CAM, you can't use DEVFS. > > > > Doesn't this effectively mean "not at all?". It means you shouldn't use it in place of /dev. You can start it, but just mount it elsewhere. Ken -- Kenneth Merry ken@plutotech.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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