Soekris 6501 usb boot/mount problem

[notro]

I have problems booting pfSense-2.0.1-RELEASE-4g-i386-nanobsd.img (and the 2g and 1g image) with usb flash on the Soekris net6501.
Booting is fine until it's time to mount root. It can't find the device.
If I insert an extra usb flash in the external port, it detects it, and the usb boot device shows up.

The LiveCD (memstick) image boots fine.

M0n0wall (bootlog) and FreeBSD 8.2 (bootlog) also boots fine.

Here is part of the boot log for the two pfSense images:

pfSense-2.0.1-RELEASE-4g-i386-nanobsd.img (bootlog)

uhub7: 3 ports with 3 removable, self powered
Root mount waiting for: usbus7
ugen7.2: <sandisk>at usbus7
umass0: <sandisk 0="" 2="" cruzer="" fit,="" class="" 0,="" rev="" 2.00="" 1.26,="" addr="">on usbus7
Root mount waiting for: usbus7
Trying to mount root from ufs:/dev/ufs/pfsense0
ROOT MOUNT ERROR:

[…]

mountroot> ?

List of GEOM managed disk devices:

[…]

–-----------------------------------------------------------------------------
Inserting 64 MB usb flash in external port
-------------------------------------------------------------------------------

da0 at umass-sim0 bus 0 scbus0 target 0 lun 0
da0: <sandisk cruzer="" fit="" 1.26="">Removable Direct Access SCSI-5 device
da0: 40.000MB/s transfers
da0: 7633MB (15633408 512 byte sectors: 255H 63S/T 973C)
GEOM: da0s1: geometry does not match label (16h,63s != 255h,63s).
GEOM: da0s2: geometry does not match label (16h,63s != 255h,63s).
?

List of GEOM managed disk devices:
  ufs/pfsense1 ufs/pfsense0 ufsid/4ee6a8ade180251f ufs/cf ufsid/4ee6b1ad1fcce77b da0s2a da0s1a da0s3 da0s2 da0s1 da0

[…]

mountroot> ufs:/dev/ufs/pfsense0
Trying to mount root from ufs:/dev/ufs/pfsense0
WARNING: / was not properly dismounted
Invalid time in real time clock.
Check and reset the date immediately!
Configuring crash dumps…
Mounting filesystems...</sandisk></sandisk></sandisk> 

pfSense-memstick-serial-2.0.1-RELEASE-i386.img (bootlog)

uhub7: 3 ports with 3 removable, self powered
ugen7.2: <sandisk>at usbus7
umass0: <sandisk 0="" 2="" cruzer="" fit,="" class="" 0,="" rev="" 2.00="" 1.26,="" addr="">on usbus7
umass0:  SCSI over Bulk-Only; quirks = 0x0000
umass0:0:0:-1: Attached to scbus0
da0 at umass-sim0 bus 0 scbus0 target 0 lun 0
da0: <sandisk cruzer="" fit="" 1.26="">Removable Direct Access SCSI-5 device
da0: 40.000MB/s transfers
da0: 7633MB (15633408 512 byte sectors: 255H 63S/T 973C)
SMP: AP CPU #1 Launched!
GEOM: da0: geometry does not match label (16h,63s != 255h,63s).
GEOM: da0: media size does not match label.
Trying to mount root from ufs:/dev/ufs/pfSense
Invalid time in real time clock.
Check and reset the date immediately!
Configuring crash dumps…
Mounting filesystems...</sandisk></sandisk></sandisk> 

Any help is appreciated.

[jimp]

http://doc.pfsense.org/index.php/Boot_Troubleshooting#Booting_from_USB

[notro]

Thanks, that worked!