Date: Tue, 16 Mar 1999 14:22:33 -0800 (PST) From: Matthew Jacob <mjacob@feral.com> To: "Kenneth D. Merry" <ken@plutotech.com> Cc: joerg_wunsch@uriah.heep.sax.de, freebsd-scsi@FreeBSD.ORG Subject: Re: Strange SCSI QIC tape behaviour Message-ID: <Pine.LNX.4.04.9903161422090.12815-100000@feral-gw> In-Reply-To: <199903140807.BAA11545@panzer.plutotech.com>
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> > 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?". To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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