Help with serial synths in 4.X kernels
Karen Lewellen
klewellen at shellworld.net
Wed Feb 24 11:05:20 EST 2016
May i ask how one finds contingency plans for your ears, your brain, and your
processing? smiles.
I am not following this debate closely, but it certainly supports my
worries about Linux as a main computing solution. If someone is going to
remove the door to functionality, or decide for me how I personally
accommodate my body differences, then they are no different than say
Microsoft.
Access is a human right in some places, not a feature.
defining that access begins and ends with the individual, which is why the
best access uses a foundation allowing for many ways in so to speak.
Going back to the corner now,
Kare
On Wed, 24 Feb 2016, John G Heim wrote:
> Well, first of all, I didn't mean to say you shouldn't use a serial hardware
> synth. However,IMO, you would be wise to consider contingency plans. If your
> livelihood depends on that serial synth, you'd be wise to begin examining
> your alternatives.
>
> Also, I can't promise to debug the kernel code. When I said check the syslog,
> I meant for you to check the syslog. If I can find the time to take a look at
> it, I certainly will but I can't promise that. I suspect that what's
> happening is that when speakup tries to "steal" the serial port, the return
> value is no longer just null. When I last traced back the functions that
> speakup was calling to steal the serial port, it was bullstuff. Speakup
> called a function that did nothing -- which isn't the fault of the speakup
> developers. I suspect that those functions now do something -- probably not
> what we want but something.
>
> It has probably been a year since I last posted a rant on this list about the
> linux kernel developers. As I write this, I find myself getting all worked up
> about it again. The one good thing about Trump running for President is that
> now I have someone I find more arrogant and irritating than the linux kernel
> development team.
>
>
>
> On 02/24/2016 08:29 AM, Tony Baechler wrote:
>> On 2/23/2016 6:31 AM, John G Heim wrote:
>> > You should check the syslog. There are almost certainly messages in
>> > there
>> > reporting what is happening. I'll try to compile 4.3 kernels for ubuntu
>> > and
>> > debian over the next few days. I had planned to automate the process.
>> > Every
>> > time my ubuntu machines download a new kernel, generate a new patched
>> > kernel
>> > package. I never got around to it though. I was using a sed command to
>> > comment out the line that caused serial synths to not work so that
>> > automation was possible. Part of the problem here is that I have kind of
>> > given up on serial synths myself. I have been depending more and more on
>> > the
>> > combination of a braille display and software speech. It seems to me
>> > that
>> > using a hardware speech synth is going against the grain these days.
>>
>>
>> As Karen and others have pointed out, we all have our own personal speech
>> preferences. In my case, I have multiple reasons for wanting serial speech
>> to work. I find it easier to hear and understand for one thing. There are
>> some bugs in the DECtalk Express module which might be easily fixed, but
>> the last unpatched kernel I know of that actually worked was 2.6.32 which
>> is no longer supported. Anyway, as requested, here is the dmesg output. I
>> don't see anything helpful. I did the following:
>>
>> service espeakup stop
>> rmmod speakup_soft
>> modprobe speakup_dectlk
>> rmmod speakup_dectlk
>> rmmod speakup
>> modprobe speakup_soft
>> espeakup
>>
>> [ 11.336314] r8169 0000:02:00.0 eth0: link up
>> [ 11.336325] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
>> [ 27.013903] releasing synth soft
>> [ 27.013975] unregistered /dev/softsynth
>> [ 32.824006] speakup: unregistering synth device /dev/synth
>> [ 56.630004] speakup: module is from the staging directory, the quality
>> is unknown, you have been warned.
>> [ 56.630896] input: Speakup as /devices/virtual/input/input7
>> [ 56.631031] initialized device: /dev/synth, node (MAJOR 10, MINOR 25)
>> [ 56.631055] speakup 3.1.6: initialized
>> [ 56.631057] synth name on entry is: dectlk
>> [ 56.639855] speakup_dectlk: module is from the staging directory, the
>> quality is unknown, you have been warned.
>> [ 56.640036] synth probe
>> [ 56.640039] Ports not available, trying to steal them
>> [ 56.640042] Unable to allocate port at 3f8, errno -16
>> [ 56.640044] Dectalk Express: not found
>> [ 56.640045] dectlk: device probe failed
>> [ 67.012005] speakup: unregistering synth device /dev/synth
>> [ 70.985966] speakup: module is from the staging directory, the quality
>> is unknown, you have been warned.
>> [ 70.986851] input: Speakup as /devices/virtual/input/input8
>> [ 70.986983] initialized device: /dev/synth, node (MAJOR 10, MINOR 25)
>> [ 70.987006] speakup 3.1.6: initialized
>> [ 70.987008] synth name on entry is: dectlk
>> [ 70.987055] speakup_soft: module is from the staging directory, the
>> quality is unknown, you have been warned.
>> [ 70.987193] synth probe
>> [ 70.987230] initialized device: /dev/softsynth, node (MAJOR 10, MINOR
>> 26)
>
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