USB key with -CURRENT, but /root not found on one laptop

From: Matthias Apitz <guru_at_unixarea.de>
Date: Tue, 21 Apr 2009 08:14:11 +0200
Hello,

I've a boot-able USB key with -CURRENT from which I have booted and
installed fine my small EeePC. I now wanted to update with the same
procedure the laptop of my wife (which still runs RELENG_7) to make her
happy access to the wonderful world of -CURRENT :-)

the laptop itself can't boot from USB devices but there is still the old
boot block on the disk which sees the USB as 'Drive 1' and offers to
boot from by typing F5:

F1: FreeBSD
F5: Drive 1

I typed F5

this loads kernel /boot/kernel/kernel
the kernel boots up fine ... until a message

Trying to mount root from ufs:/dev/da0s1a

Manual root filesystem specification:

    <fstype>:<device> Mount <device> using filesystem <fstype>
                      eg. ufs:da0s1a
    ?                 List valid disk boot devices
    <empty line>      Abort manual input


[ an async message appears in this moment as ]
[ da0: <Ut165 USB2FlashStorage 0.00> Removable Direct Access SCSI-2 device  ]
[ da0: 40.000MB/s transfers ]
[ da0: 7712MB (15794176 512 byte sectors: 255H 63 S/T 983C) ]
[ this means that the running kernel has seen now the USB device at da0: ]

typing ? gives:

List of GEOM managed devices:
ad4s1f ad4s1e ad4s1d ad4s1b ad4s1a ad4s1 ad4 acd0

mountroot>

typing at prompt mountroot>: ufs:da0s1a

brings up menu again and again

Why the kernel does not see da0s1a to mount the root filesystem?

Thx

	matthias

-- 
Matthias Apitz
Manager Technical Support - OCLC GmbH
Gruenwalder Weg 28g - 82041 Oberhaching - Germany
t +49-89-61308 351 - f +49-89-61308 399 - m +49-170-4527211
e <matthias.apitz_at_oclc.org> - w http://www.oclc.org/ http://www.UnixArea.de/
People who hate Microsoft Windows use Linux but people who love UNIX use FreeBSD.
Received on Tue Apr 21 2009 - 04:14:16 UTC

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