The is the only report of seg faults I have had with recent versions of spandsp. There was an older version (spandsp-0.0.1b I think) which had a silly bug that caused seg faults.
Some people have had older versions of libtiff installed, which seem to cause seg faults. If you are use RH9 that should not be the case. It seems version libtiff 3.6.1 is buggy, and should not be used for fax work. It seems it fails with Hylafax as well as with spandsp.
Since the segmentation fault occurs as processing of the image data for the first page starts, something about libtiff still seems like a possibility.
Regards, Steve
Reynaldo Simbulan wrote:
Hi,
I've been testing the soft fax but I am getting this segmentation fault whenever I receive a fax. Can somebody help me please?
I've loaded asterisk from CVS and running Redhat 9.0 and downloaded the latest spandsp. I am sending a fax from Windows XP fax software thru a ringmaster then to X100P.
WindowsXP --> modem ---> ringmaster (CO simulator) ---> X100P ---> *
== Spawn extension (prepaid, fax, 0) exited non-zero on 'Zap/1-1'
-- Executing RxFAX("Zap/1-1", "/root/test.tiff") in new stack
Changed from phase 0 to 1
Slow carrier up
Slow carrier down
Slow carrier up
Slow carrier down
Slow carrier up
Slow carrier down
Slow carrier up
Slow carrier down
Slow carrier up
Slow carrier down
Slow carrier up
Slow carrier down
Slow carrier up
Slow carrier down
Start receiving document
Changed from phase 1 to 4
Sending ident
DIS:CSI: 40 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20
Preferred octets: 256
Can receive fax
Supported data signalling rates: V.27ter and V.29
R8x7.7lines/mm and/or 200x200pels/25.4mm OK
2D coding OK
Scan line length: 215mm
Recording length: A4 (297mm)
Receiver's minimum scan line time: 0ms at 3.85 l/mm: T7.7 = T3.85
R8x15.4lines/mm OK
Minimum scan line time for higher resolutions: T15.4 = T7.7
HDLC underflow in state 9DIS: 80 00 ce f0 80 80 01
Changed from phase 4 to 3
Slow carrier up
<<< TSI: 43 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 78 61 46
TSI without final frame tag
Remote fax gave TSI as: "Fax "
<<< DCS: 83 00 c6 70
DCS with final frame tag
In state 9
DCS:
Can receive fax
Selected data signalling rate: V.29, 9600bps
R8x7.7lines/mm and/or 200x200pels/25.4mm OK
2D coding OK
Scan line length: 215mm
Recording length: A4 (297mm)
Minimum scan line time: 0ms
Get at 9600
Changed from phase 3 to 5
Fast carrier up
Coarse carrier frequency 1683.64 (18)
Fast carrier down
Trainability test failed - longest run of zeros test was 0
FTT: 44
Fast carrier up Coarse carrier frequency 1699.71 (64) Training error 9.552597 Training succeeded (constellation mismatch 11.776280) Fast carrier trained Fast carrier down Changed from phase 5 to 4 Start rx document - compression 2 Start rx page Segmentation fault
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