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
