(doh... - It would help to actually attach the patch.) Tony Mancill wrote: > Hello tinyos-help: > > Attached is a very minor patch for TOSSIM-CC2420/HPLCC2420M.nc. Without > it, I was unable to compile due to an invalid lvalue error. > > Also, I wanted to ask the list if anyone else has experienced segfaults > using TOSSIM to simulate telos. > > Sometimes it doesn't happen right away, but invariably my simulations > will end with: > > 7: HPLCC2420 (0:0:5.09596975): enter handleFrameSentEvent() > 7: HPLCC2420 (0:0:5.09596975): enter createFrameReceivedEvent() > ... > > 7: HPLCC2420 (0:0:5.09596975): setState( from STATE_RX_CALIBRATE to > STATE_RX_CALIBRATE ) > 7: HPLCC2420 (0:0:5.09596975): enter createRxCalibratedEvent() > 7: HPLCC2420 (0:0:5.09596975): SFD set low, already low > Segmentation fault > >>From what I can tell, this is coming from one of the calls to free() on > lines 1989 and 1990 in HPLCC2420M.nc, but in looking at the code, it > only seems that either handleFrameSentEvent() is being called twice or > that an alloc() is failing. (Perhaps more likely the latter. I've > already tried updating the code to check for NULLs before freeing.) > > Any ideas? > > Thank you, > tony > _______________________________________________ > Tinyos-help mailing list > Tinyos-help@Millennium.Berkeley.EDU > https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
Index: HPLCC2420M.nc =================================================================== RCS file: /cvsroot/tinyos/tinyos-1.x/beta/TOSSIM-CC2420/HPLCC2420M.nc,v retrieving revision 1.4 diff -r1.4 HPLCC2420M.nc 1508c1508 < (int8_t) frame[length - 2] = getEncodedRssi(receivingFrame->rssi); --- > frame[length - 2] = (uint8_t) > getEncodedRssi(receivingFrame->rssi);
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