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From: arisawa <arisawa@ar.aichi-u.ac.jp>
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Subject: nvram in usbdisk is not recognized 
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Date: Sun, 15 Nov 2015 15:55:22 +0900
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Hello,

nvram in usbdisk is not recognized when cpu server is booted via pxe.

my kernel is:
term% ls -l /386/9pcf
--rw-rw-rw- M 20 sys sys 4149116 Aug 27 10:09 /386/9pcf
term%=20

on the fs server the usb device looks like:
term% ls /dev/sdU*
/dev/sdU56be1/9fat
/dev/sdU56be1/ctl
/dev/sdU56be1/data
/dev/sdU56be1/fscache
/dev/sdU56be1/fsworm
/dev/sdU56be1/nvram
/dev/sdU56be1/other
/dev/sdU56be1/plan9
/dev/sdU56be1/raw
/dev/sdU56be1/swap
term%=20

the nvram is copied from file server's nvram

ether of the cpu is 001fd0169891.
the relevant part in /cfg/pxe/001fd0169891 is:
bootfile=3D/386/9pcf
fs=3D192.168.0.6
auth=3D192.168.0.6
bootargs=3Dtcp
nobootprompt=3Dtcp
nvram=3D/dev/sdU56be1/nvram
nvroff=3D0
nvrlen=3D512

in pxe booting, we have a message:
can't open /dev/sdU56be1/nvram: '/dev/sdU56be1' file does not exist
authid:

if my memory is correct, my cpu server that is working on old 9front =
kernel is OK in recognizing nvram in usbdisk.
at that time nvram was /dev/sdU6.0/nvram for example.

any hint welcome.

Kenji Arisawa