Intro

[Georgina Joyce]

Hello Mike,

Does the raspberry have a serial port?

Gena

On 04/05/2013 21:56, Mike Ray wrote:
> Hello Brandon,
>
> What seems to happen is variable. Most of the time I have to work pretty
> hard to make it crash. The best test I have found is opening the SpeakUp
> help and scrolling up and down as quickly as I can.
>
> But it has crashed on occasions with less taxing stuff.
>
> So far I have compiled speakup_soft and speakup_dummy as kernel modules.
> Tonight I am trying compiling the speakup_soft right into the kernel.
>
> I don't really know much about kernel internals or kernel debugging but
> I have been reading up about the kernel debugger (kgdb). I now have an
> idea of connecting two Raspis together via a serial cable and running a
> kernel debug session to see if I can trap exactly where it is crashing.
>
> I'm also trying to get hold of a hardware synth, even just for loan to
> see if I can make it more stable with an external synth.
>
> As a point of interest...I am cross-compiling kernels on a Vinux virtual
> machine. When I first compiled a kernel I did it on the Pi and it took
> 13 hours.
>
> Mike
>
> On 04/05/2013 21:44, Brandon McGinty-Carroll wrote:
>> Are there any actions common to each crash?
>> E.g. an application running, a certain amount of time spent idle, an
>> attempt to copy and paste with speakup?
>> I've ggot an RP here; if I can get an sd card and writer, I'll put on
>> a kernel and give it a whirl.
>>
>> Brandon McGinty-Carroll
>>
>>
>> On Fri, May 03, 2013 at 07:29:57PM +0100, Mike Ray wrote:
>>> Hello Gene,
>>>
>>> Thanks for the welcome.
>>>
>>> Although I have SpeakUp running in Raspbian, there are some serious
>>> stability issues.  Sometimes the tty I'm logged in to crashes and
>>> occasionally the kernel crashes, or I assume it does as once this
>>> happens there's no way I can tell what has happened.
>>>
>>> In getting this far I have had to look at the source quite closely
>>> and I noticed the changes over the last few years following some
>>> fundamental kernel changes.
>>>
>>> It looks to me as if a lot of the distros are making patches to the
>>> source and these patches don't seem to find their way back to the
>>> SpeakUp source repo.
>>>
>>> In an effort to solve the stability issues in the Pi kernel version
>>> 3.6.11 I took the SpeakUp source from kernel.org's 3.8.11 tree but
>>> it doesn't seem to have solved the problem.
>>>
>>> I don't know if these stability problems are specifically Raspberry
>>> Pi problems, possibly relating to the lower resources on the little
>>> machine, or whether SpeakUp is unstable in some desktop distros.
>>>
>>> Opinions and any help would be welcomed.
>>>
>>> Mike
>>>
>>>
>>>
>>> On 03/05/2013 19:03, acollins at icsmail.net wrote:
>>>> Hello Mike!  Welcome aboard!  I'm not a raspberry user, but I'm glad to
>>>> hear you have yours up and running.  You'll find most topics fair game
>>>> for discussion here.
>>>>
>>>> Gene Collins
>>>>
>>>>> Hello,
>>>>>
>>>>> I've just joined the list.
>>>>>
>>>>> I have recently managed to get SpeakUp going for the Raspberry Pi
>>>>> using
>>>>> Raspbian.
>>>>>
>>>>> In doing so I've had to do a lot of reading about kernel versions and
>>>>> SpeakUp source etc. so I thought I'd join the list.
>>>>>
>>>>> Mike
>>>>>
>>>>> --
>>>>> Michael A. Ray
>>>>> Analyst/Programmer
>>>>> South-east UK
>>>>>
>>>>> Interested in accessibility for the Raspberry Pi?
>>>>> Visit: http://www.raspberryvi.org/
>>>>>
>>>>>  From where you can join our mailing list for visually impaired Pi
>>>>> hackers
>>>>>
>>>>> _______________________________________________
>>>>> Speakup mailing list
>>>>> Speakup at linux-speakup.org
>>>>> http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup
>>> _______________________________________________
>>> Speakup mailing list
>>> Speakup at linux-speakup.org
>>> http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup
>
>

-- 
"If you want someone who thinks outside the box, hire someone who lives 
outside the box" Barbara Otto