Date: Fri, 15 May 1998 19:27:17 -0400 From: Randall Hopper <rhh@ct.picker.com> To: Julian Elischer <julian@whistle.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Rescanning SCSI-Bus without Rebooting? Message-ID: <19980515192717.A8491@ct.picker.com> In-Reply-To: <Pine.BSF.3.95.980514192123.12079A-100000@current1.whistle.com>; from Julian Elischer on Thu, May 14, 1998 at 07:22:15PM -0700 References: <19980514220155.B20919@ct.picker.com> <Pine.BSF.3.95.980514192123.12079A-100000@current1.whistle.com>
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Julian Elischer:
|wire down uk0 then just as you'd wire down sd0
|then it'll be there whether or not the device is on.
I tried that; no luck.
There's something that's not coming across here, and I'm not sure what it
is. So let me just give you the results I'm seeing:
---------------------------------------------------------------------
SCENARIO 1 : SCANNER OFF, BOOT UP FREEBSD, THEN TURN SCANNER ON
---------------------------------------------------------------------
# dmesg | grep uk0
# echo < /dev/uk0
/dev/uk0: Device not configured.
# scsi -f /dev/uk0 -d 255
scsi: unable to open device /dev/uk0: Device not configured
---------------------------------------------------------------------
SCENARIO 2 : SCANNER ON, BOOTUP, LEAVE SCANNER ON
---------------------------------------------------------------------
# dmesg | grep uk0
uk0 at scbus0 target 6 lun 0
uk0: Unknown
# echo < /dev/uk0
# scsi -f /dev/uk0 -d 255
---------------------------------------------------------------------
USING THESE KERNEL CONFIG ENTRIES (WIRE-DOWN SYNTAX)
---------------------------------------------------------------------
controller scbus0 at ncr0 # Single bus device
disk sd0 at scbus0 target 5 unit 0 # sd0 = ZIP Drive
device uk0 at scbus0 target 6 unit 0 # uk0 = Scanner
How do I get make SCENARIO 1's results look like SCENARIO 2 (i.e. get SCSI
unit rescan-on-open to work, as alluded to in scsi(8))?
Thanks,
Randall
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