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RadioImp
n00b
Joined: 09 Sep 2003
Posts: 22
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 Posted: Thu Nov 06, 2003 7:50 pm Post subject: Fire Wire HD Problems |
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Hi there!
I've been trying to get my Maxtor 80gig External FireWire HD to work under gentoo.
It runs fine under windows.
I have read any stuff i can find on these forums, and on the internet to get these to work, but I still can't.
It appears to be detecting it, but not assigning it to a /dev/device:
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ieee1394: sbp2: Logged into SBP-2 device
ieee1394: sbp2: Node[01:1023]: Max speed [S400] - Max payload [2048]
ieee1394: Device added: Node[01:1023] GUID[0010b920003da836] [Maxtor]
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This is the output of dmesg
I am runing the gentoo-sources 2.4.20 version5 kernel.
I think i have the right modules compiled in (though i have them directly compiled, not as modules)
scsi emulation does appear to work, as my USB drive will appear in /dev as sda1 and is mountable, i just cannot get the firewire drive to appear in there.
Can anyone help, or provide a compelte tutorial link on how to get these things working?
Thanks very much for any assistance
--
Tom |
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frogger
n00b
Joined: 05 Dec 2002
Posts: 35
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| Posted: Fri Nov 07, 2003 2:07 am Post subject: |
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I believe this has something to do with firewire being initialized after the scsi bus has been scanned for devices. You will need the necessary ieee1394 components loaded into the kernel (either statically or as modules). These should be: ieee1394, ohci1394, and sbp2, which it looks like you already have.
After bootup if the drive isn't detected and assigned a device node, you can run the rescan-scsi-bus.sh script, which will check for new devices and create the node for you, probably /dev/sdb in your case.
Here is the script:
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#!/bin/bash
# Script to rescan SCSI bus, using the
# scsi add-single-device mechanism
# (w) 98/03/19 Kurt Garloff <kurt@garloff.de> (c) GNU GPL
# Return hosts. /proc/scsi/HOSTADAPTER/? must exist
findhosts ()
{
hosts=
for name in /proc/scsi/*/?; do
name=${name#/proc/scsi/}
if test ! $name = scsi
then hosts="$hosts ${name#*/}"
echo "Host adapter ${name#*/} (${name%/*}) found."
fi
done
}
# Test if SCSI device $host $channen $id $lun exists
# Outputs description from /proc/scsi/scsi, returns new
testexist ()
{
grepstr="scsi$host Channel: 0$channel Id: 0*$id Lun: 0$lun"
new=`cat /proc/scsi/scsi|grep -e"$grepstr"`
if test ! -z "$new"
then cat /proc/scsi/scsi|grep -e"$grepstr"
cat /proc/scsi/scsi|grep -A2 -e"$grepstr"|tail -2|pr -o4 -l1
fi
}
# Perform search (scan $host)
dosearch ()
{
for channel in $channelsearch; do
for id in $idsearch; do
for lun in $lunsearch; do
new=
devnr="$host $channel $id $lun"
echo "Scanning for device $devnr ..."
printf "OLD: "
testexist
if test ! -z "$remove" -a ! -z "$new"
then echo "scsi remove-single-device $devnr" >/proc/scsi/scsi
echo "scsi add-single-device $devnr" >/proc/scsi/scsi
printf "\r\x1b[A\x1b[A\x1b[AOLD: "
testexist
if test -z "$new"; then printf "\rDEL: \r\n\n\n\n"; let rmvd+=1; fi
fi
if test -z "$new"
then printf "\rNEW: "
echo "scsi add-single-device $devnr" >/proc/scsi/scsi
testexist
if test -z "$new"; then printf "\r\x1b[A"; else let found+=1; fi
fi
done
done
done
}
# main
if test @$1 = @--help -o @$1 = @-h
then
echo "Usage: rescan-scsi-bus.sh [-l] [-w] [-c] [host [host ...]]"
echo " -l activates scanning for LUNs 0 .. 7 [default: 0]"
echo " -w enables scanning for device IDs 0 .. 15 [def.: 0 .. 7]"
echo " -r enables removing of devices [default: disabled]"
echo " -c enables scanning of channels 0 1 [default: 0]"
echo " If hosts are given, only these are scanned [default: all]"
exit 0
fi
# defaults
lunsearch="0"
idsearch="0 1 2 3 4 5 6 7"
channelsearch="0"
remove=""
# Scan options
opt="$1"
while test ! -z "$opt" -a -z "${opt##-*}"; do
opt=${opt#-}
case "$opt" in
l) lunsearch="0 1 2 3 4 5 6 7" ;;
w) idsearch="0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15" ;;
c) channelsearch="0 1" ;;
r) remove=1 ;;
*) echo "Unknown option -$opt !" ;;
esac
shift
opt="$1"
done
# Hosts given ?
if test @$1 = @; then findhosts; else hosts=$*; fi
declare -i found=0
declare -i rmvd=0
for host in $hosts; do dosearch; done
echo "$found new device(s) found. "
echo "$rmvd device(s) removed. "
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If the drive is always going to be connected, you might want to set this to run at startup. If not, you can always just run it after you plug the drive in. I imagine you could automate all of this somehow with hotplug, but I haven't looked at that. I just run it at boot and go.  |
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RadioImp
n00b
Joined: 09 Sep 2003
Posts: 22
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| Posted: Fri Nov 07, 2003 9:10 am Post subject: |
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| Many thanks, i'll try this when i get home tonight, will see how that goes. |
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cylgalad
Veteran
Joined: 18 Apr 2003
Posts: 1327
Location: France
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