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  1. AGL Development
  2. SPEC-1976

Segmentation fault in NFC binding

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      I tried the NFC binding but had no chance to make it works.

      I'm currently using a master image (head of the nfc binding repo: 557e5f0, so it's not the same segfault as the one fixed by the last commit), on a M3+Kingfisher and two different NFC reader.

      When I use the reference reader (ACR122) as well as the fallback reader (SCL3711), I have the following log when I tap a tag:

      Nov 15 01:51:16 m3ulcb neard[3936]: neard[3936]: ndef parsing failed
Nov 15 01:51:16 m3ulcb neard[3936]: ndef parsing failed
[   55.211720] usb 2-1.4: NFC: Exchanging data failed (error 0x1)
Nov 15 01:51:21 m3ulcb neard[3936]: neard[3936]: Error while reading NFC bytes
Nov 15 01:51:21 m3ulcb kernel: usb 2-1.4: NFC: Exchanging data failed (error 0x1)
Nov 15 01:51:21 m3ulcb neard[3936]: Error while reading NFC bytes
Nov 15 01:51:21 m3ulcb kernel[3937]: [   55.211720] usb 2-1.4: NFC: Exchanging data failed (error 0x1)
Nov 15 01:51:21 m3ulcb afbd-agl-service-nfc@1.0-f3849ce[4152]:  ERROR: ALERT! signal 11 received: Segmentation fault [/usr/src/debug/af-binder/master+gitAUTOINC+a868fc2722-r0/git/src/sig-mo
nitor.c:226,on_signal_error]
Nov 15 01:51:21 m3ulcb afbd-agl-service-nfc@1.0-f3849ce[4152]:  ERROR: BACKTRACE due to signal Segmentation fault/11:
Nov 15 01:51:21 m3ulcb afbd-agl-service-nfc@1.0-f3849ce[4152]:  [1/1] afbd-agl-service-nfc@1.0-f3849ce(+0x35d44) [0xaaaad6b08d44]
Nov 15 01:51:21 m3ulcb afbd-agl-service-nfc@1.0-f3849ce[4152]:  [/usr/src/debug/af-binder/master+gitAUTOINC+a868fc2722-r0/git/src/sig-monitor.c:78,dumpstack]
Nov 15 01:51:21 m3ulcb afbd-agl-service-nfc@1.0-f3849ce[4152]:  ERROR: Unmonitored signal 11 received: Segmentation fault [/usr/src/debug/af-binder/master+gitAUTOINC+a868fc2722-r0/git/src/s
ig-monitor.c:236,on_signal_error]
Nov 15 01:51:21 m3ulcb systemd[1]: afm-service-agl-service-nfc--1.0-f3849ce--main@0.service: Main process exited, code=exited, status=2/INVALIDARGUMENT
Nov 15 01:51:21 m3ulcb systemd[1]: afm-service-agl-service-nfc--1.0-f3849ce--main@0.service: Unit entered failed state.
Nov 15 01:51:21 m3ulcb systemd[1]: afm-service-agl-service-nfc--1.0-f3849ce--main@0.service: Failed with result 'exit-code'.

      Note that the first two lines appears only with some tags, but not all.

       

      Also, with the reference reader (ACR122) it can take up to 10 seconds before a tag is detected.

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            raquelm raquel medina
            ctxnop Loïc Collignon [ IoT.bzh ]
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