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

On Tuesday 21 April 2009, Matthias Apitz wrote:
> El día Tuesday, April 21, 2009 a las 08:37:56AM +0200, Hans Petter Selasky 
escribió:
> > On Tuesday 21 April 2009, Matthias Apitz wrote:
> > > 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
>
> 	...
>
> additional information: I did the same on some other laptop I have and
> there is a message:
>
> Root mount waiting for: ubus4
>
> before the message
>
> 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)
>
> comes up and then again
>
> Root mount waiting for: ubus4
> Trying to mount root from ufs:/dev/da0sa1
>
> which works fine and the system comes up from USB key;
>
> maybe this helps to figure out what the problem is; thx
>
> 	matthias

Did you try to add a delay before the mounroot code is executed 
in /sys/kern/vfs_mount.c ?

Like:

pause("WWAIT", hz * 10);

--HPS