Il 04/03/2012 19:49, Kevin O'Connor ha scritto:
The sg_modes command has a -a option to dump out all of the supported
page codes
- it reports that none of the thumbdrives (tested 9) support page code
= 4
- it reports that most of the thumbdrives (tested 9) support page code
=
- Original Message -
From: Paolo Bonzini pbonz...@redhat.com
To: Kevin O'Connor ke...@koconnor.net
Cc: Dave Frodin d...@camp.se-eng.com, seabios@seabios.org
Sent: Monday, March 5, 2012 1:17:08 AM
Subject: Re: Booting from USB thumbdrives, older drives boot, newer drives
don't.
On Fri, Mar 02, 2012 at 03:10:33PM -0700, Dave Frodin wrote:
Here are my latest results.
The sg_modes command has a -a option to dump out all of the supported page
codes
- it reports that none of the thumbdrives (tested 9) support page code = 4
- it reports that most of the
On Sun, Mar 04, 2012 at 12:05:14PM -0700, Dave Frodin wrote:
Kevin/Paolo,
Our concern was that actual rotating media (e.g. USB-to-SATA adapter) may have
problems without the cdb_mode_sense_geom(). I hope to have my hands on one
tomorrow to do some testing.
My understanding is that the call
Il 02/03/2012 01:34, Dave Frodin ha scritto:
On a related topic, I have a copy of the Indispensable PC Hardware book
that lists the return values for the mode page 4 request. It list the cyc/head
data as follows...
offset value
==
2 cyl(msb)
3 cyl
4
Paolo,
Thanks for the reply.
I ran the sg_modes for pages 4 and 5 on 4 USB thumbdrives.
sandisk_old is a 4GB Sandisk Cruzer (yes, the old is ver=8.02)
sandisk_new is a 4GB Sandisk Cruzer
transcend is a 2GB drive
verbatimis a 2GB drive
If I use the unmodified master SeaBIOS ...
] Booting from USB thumbdrives, older drives boot,
newer drives don't.
Paolo,
Thanks for the reply.
I ran the sg_modes for pages 4 and 5 on 4 USB thumbdrives.
sandisk_old is a 4GB Sandisk Cruzer (yes, the old is ver=8.02)
sandisk_new is a 4GB Sandisk Cruzer
transcend is a 2GB drive
I'm a new subscriber to seabios.org so feel free to straighten me out if needed.
I've been debugging an problem we've been seeing with not being able to boot
(Ubuntu specifically) off
of a variety of newer USB thumb drives. I've been specifically looking at an
older/newer pair of
Sandisk Cruzer
Maybe run: lsusb -v
and compare the output for the difference SanDisk Cruzer USB devices
if they're identical or different.
On Thu, Mar 1, 2012 at 12:38 AM, Dave Frodin d...@camp.se-eng.com wrote:
I'm a new subscriber to seabios.org so feel free to straighten me out if
needed.
I've been
looking forward to any insight into this from anyone knowledgeable on the
subject.
Dave
- Original Message -
From: Dave Frodin d...@camp.se-eng.com
To: seabios@seabios.org
Sent: Wednesday, February 29, 2012 4:38:21 PM
Subject: [SeaBIOS] Booting from USB thumbdrives, older drives boot
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