Dectalk express with speakup as modules?

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Adam Myrow, le Mon 05 May 2008 17:34:24 -0500, a ?crit :
> I have found that as of yesterday, the Dectalk Express driver is 
> completely broken.

> So, I reverted back to the stock speakup.s, and patched in the 
> older release of Speakup that it came with.  This was dated 4/16/08.

Well, it would be helpful if you could help tracking the bug :)

You can track down the precise commit that broke it quite easily by
using git bisect and compile as modules:

git checkout master	# to get to current version
git bisect start
git bisect bad		# to tell that the current version is bogus
git log			# to find a good-looking version
git checkout 2a2840d1c6a8c2f2742c469bf1736348bc124c28
cd src/
make
sudo insmod speakup.ko
sudo insmod speakup_dectlk.ko start=1
# check that that version does work
sudo rmmod speakup_dectlk
sudo rmmod speakup
cd ..
git bisect good		# to tell that that version does work

And from then on, git will let you try the intermediate versions by
dichotomy: the last "git bisect good" command has actuallay checked out
an intermediate version, which you can test by the same sequence as
above:

cd src/
make
sudo insmod speakup.ko
sudo insmod speakup_dectlk.ko start=1
# check whether that version does work
sudo rmmod speakup_dectlk
sudo rmmod speakup
cd ..

Here you have tested the intermediate version, and you can run either
git bisect good or git bisect bad to give the result, and git will check
out a yet more refined intermediate version, which you can test, etc.
until git eventually tells you exactly which commit did bring the bug,
and then it will be a lot easier for us to check why.

That being said, I suggest you first try the successive versions

2a2840d1c6a8c2f2742c469bf1736348bc124c28
533aa9b618cfc9d7460c811191bc30b87ada12c8
383be28905bd2e01107050a87675c5fec551d4cc

as well as the successive versions 

e2801fc639fab12da08270b999c72e00da3c4607
a3966adfdca87e3089cb49b904b04dac961fe1aa

Because we already know that these have been quite massive changes.

Samuel




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