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Date: Sat, 18 Apr 2009 07:31:25 +1000
From: Greg 'groggy' Lehey <grog@FreeBSD.org>
To: Alex Keda <admin@lissyara.su>
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Subject: Re: new usb stack - boot problem from usb hdd
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On Friday, 17 April 2009 at 18:44:27 +0400, Alex Keda wrote:
> After boot, before mount, disk da0 lost, or some partition
> lost/uninitialised
>
> ...
> umass0:0:0:-1: Attached to scbus0
> da0 at umass-sim0 bus 0 target 0 lun 0
> da0: <Hitachi HTS541680J9SA00 > Fixed Direct Access SCSI-2 device
> da0: 40.000MB/s transfers
> da0: 76319MB (156301488 512 byte sectors: 255H 63S/T 9729C)
> 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

FWIW, I'm experiencing a similar problem with a USB stick.  I get an
error 2 on the device entry (also /dev/da0s1a), followed by a panic
with an incomplete stack backtrace.  I'm going to try remote debugging
to get more information; watch this space.

Greg
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