DecTalk External (decext) testers wanted!

[Okash Khawaja]

Hi all and Greg,

That's good news! Regarding ttyS0 and ttyUSB0 lockup, they are held by
speakup.ko. Synth specific modules only use them. So unloading
speakup.ko should free those.

Like I mentioned in another thread, I tested Apollo that Keith sent
me, and that works fine. DoubleTalk was also looking good. So overall
this change taking good shape :)

We _do_ need to test DECEXT though, in order to upstream the changes.
That and serdev are the only two things outstanding now.

Okash

On Mon, Apr 24, 2017 at 4:48 AM, Gregory Nowak <greg at gregn.net> wrote:
> Hi Okash and list,
> I again have good news, and bad news. The good news is that after
> making the changes Okash described in spk_ttyio.c and recompiling the
> speakup modules, the bns driver works over ttyUSB0! Very awesome! I
> remember wanting this when I got my first machine without an on board
> serial port in 2000. I also used the driver a lot more extensively
> over ttyS0 and over ttyUSB0, and still didn't notice issues.
>
> Now, for the bad news. The speakup_bns driver isn't releasing the
> serial port. This is true for both ttyS0 and ttyUSB0. When I unload
> speakup_bns, and attempt to use minicom over either port, I see this
> in dmesg:
>
> "[  109.515946] ttyS ttyS0: tty_open: tty->count(2) != #fd's(1)
> [  110.517304] ttyS ttyS0: tty_release: tty->count(2) != #fd's(1)
> [  110.517400] ttyS ttyS0: tty_open: tty->count(2) != #fd's(1)
> [  111.518555] ttyS ttyS0: tty_release: tty->count(2) != #fd's(1)
> [  111.518663] ttyS ttyS0: tty_open: tty->count(2) != #fd's(1)
> [  113.436335] ttyS ttyS0: tty_release: tty->count(2) != #fd's(1)"
>
> "[  807.947758] ttyUSB ttyUSB0: tty_open: tty->count(3) != #fd's(1)
> [  808.152816] ttyUSB ttyUSB0: tty_release: tty->count(3) != #fd's(1)
> [  808.155764] ttyUSB ttyUSB0: tty_open: tty->count(3) != #fd's(1)
> [  808.520824] ttyUSB ttyUSB0: tty_release: tty->count(3) != #fd's(1)
> [  808.523768] ttyUSB ttyUSB0: tty_open: tty->count(3) != #fd's(1)
> [  810.947111] ttyUSB ttyUSB0: tty_release: tty->count(3) != #fd's(1)"
>
> If I modprobe speakup_bns again, I can use it just fine, unload, and
> reload again without problems. I also found that after using
> speakup_bns over the usb to serial converter and unloading the
> speakup_bns module, I then can't unload the belkin_sa module, even
> though I see no other modules using it from lsmod. I assume the same
> holds true for the standard port modules, but didn't try unloading
> them as well. When I unplug the usb to serial converter after using it
> with speakup_bns, and unloading speakup_bns, and plug it back in, it
> gets assigned /dev/ttyUSB1 instead of being assigned /dev/ttyUSB0 as
> normally happens.
>
> Thanks again for your work.
>
> Greg
>
>
> On Sat, Apr 22, 2017 at 08:38:28AM +0100, Okash Khawaja wrote:
>> Hi Greg,
>>
>> Thanks for the tests, very helpful. Okay so it doesn't look too bad.
>>
>
>
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