Re: [Libreboot] I found a workaround to cryptomount problem with DVD drive

[Ministry of Freedom]

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thanks. i added a note about this to the guides

Op 28/04/16 om 08:12 schreef Daniel Tarrero:
> ey! that got all sense 8) everybody is kung-fu fighting this
> morning =)
> 
> seem that, given the dvd is attached, the device mapping might
> change and mess up grub if its configured to point to "the old
> style" namming convention (something like hd(0,0) or hd(1,0) i
> think). This namming can change when you (re)move hardware.
> 
> As you point us, using the suuuuuuuuuuuupper uuids (where the units
> are mapped given a 'label' within the same drive, so it always get
> the same name regardless it's position, bus, its removed or moved
> to another machine. Something like 
> 129436932769-12396128376128-12973651267 that i can remember ^^
> 
> nice to learn it solves this issue 8) D
> 
> On Wed, Apr 27, 2016 at 09:20:42PM +0200, Fil wrote:
>> Hi everyone,
>> 
>> my name's Fil and I just joined this list. I just wanted to tell
>> you all, I have found a workaround for the problem described at 
>> https://libreboot.org/docs/gnulinux/encrypted_trisquel.html#troublesh
ooting
>>
>>
>> 
Last week I received from Francis (at last!) my libreboot-powered
>> Minifree T400, and I installed Trisquel with full disk
>> encryption. As stated in the page linked above, I had some issues
>> while mounting the encrypted volume using cryptomount -a in
>> GRUB. The problem was indeed the DVD drive. Removing it while
>> booting worked around the problem, but removing it before every
>> startup is a bit of a hassle, so... I had a little bit of
>> think-about-it and.. just changing the cryptomount command in
>> grub.cfg solved the issue!!! I changed "cryptomount -a" to
>> "cryptomount -u <disk UUID>", flashed the modded ROM... et voila!
>> Now the encrypted volume gets mounted correctly, even with the
>> DVD drive in place.
>> 
>> I think the problem was that cryptomount -a tries to decrypt ALL 
>> volumes, so maybe it was searching for encrypted volumes on the
>> DVD, thus timing out.
>> 
>> I already told Francis about this, but I thought to share this 
>> workaround with the community, hoping It can help someone!
>> 
>> Best wishes,
>> 
>> Fil
>> 
>> 
> 

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