Already reported to linuxham group on Yahoo. http://groups.yahoo.com/neo/groups/linuxham/conversations/topics/22607 For now nothing other than CPU usage control and removing all not essential process. I suppose some problems in Fldigi code or in a library used only in PSKRXXX mode. Yesterday I have decode, with A20, Thor100 and CPU usage was less than 70% Regards Franco Spinelli IW2DHW 2013/11/11 Tarmo Huttunen <tarmopaha@xxxxxxxxx> > Thanks Franco and John > > John, I have not had yet time to check what you asked earlier...we have > new born baby on family and raspberry have lower priority and I havent > touch raspi since my last post. > > Franco, thanks to confirm problem, it is obviously same as yours and seems > to be related to ARM-platform, not only to raspberry. > I think I subscribe ti fldigi mailing list and ask help from there, or do > you have alredy reported there? > > Tarmo > On Nov 10, 2013 6:55 PM, "Franco Spinelli" <frspin@xxxxxxxxx> wrote: > >> I re-open an old message in the list, started at 5 Nov. 2013 by Tarmo >> and ended at 8 Nov. 2013 by John Douyere. >> >> I am testing a A20-olinuxino, Allwinner CPU dual core at 1 Ghz with 1 Gb >> of RAM. >> >> Fldigi decode correct all modes as: >> >> PSKxxx all modes >> Contestia all modes >> Olivia all modes >> MFSK all modes from 16 to 64, no 128, 64L and 128L >> THOR 16,22 and also 25x4 using 1500 Hz as center freq >> >> but no decode at all of PSKRxxx modes >> >> Test made with a microphone in local show a 30 dB of S/N and a -30 dB >> for imd. >> Signal transmitted in PSKRXXX mode by A20 are correctly decoded on other >> PC (x86) running same version of Fldigi >> >> CPU usage is about 50% so it is not a power problem. >> >> The problem is same as shown in first message from Tarmo. >> I suspect a Fldigi problem. I have compiled last version of Fldigi on >> A20 in 30 minuts of elapsed time. >> All test are done using Debian Wheezy for armhf. >> >> On same machine: >> >> Jpskmail client 1.5.29 work OK without PSKRxx modes and use 80% of CPU >> Jpasmail client 2.1.0-j, with java from OpenJDK, don't work. It use 100% >> of CPU and sound is intermittent. >> >> Regards >> >> Franco Spinelli >> IW2DHW >> >>