Hi Robert, 2017-12-18 12:46 GMT+01:00 Robert Hartung <[email protected]>:
> Hi *, > > I am transmitting data from various IEEE 802.15.4 nodes. When two > packets are received close to each other, an assertion fails: > > > 2017-12-18 09:05:32,821 - INFO # Contents: 'Hello from 1 (94)' > > 2017-12-18 09:05:32,836 - INFO # Contents: 'Hello from 4 (526)' > > 2017-12-18 09:05:32,868 - INFO # > > sys/net/gnrc/pktbuf_static/gnrc_pktbuf_static.c:230 > => n/a > > 2017-12-18 09:05:32,868 - INFO # *** RIOT kernel panic: > > 2017-12-18 09:05:32,886 - INFO # FAILED ASSERTION. > > 2017-12-18 09:05:32,887 - INFO # > > 2017-12-18 09:05:32,932 - INFO # pid | name | > state Q | pri | stack ( used) | base addr | current > > 2017-12-18 09:05:32,980 - INFO # 1 | idle | > pending Q | 15 | 768 ( 88) | 0x1eb7 | 0x2174 > > 2017-12-18 09:05:33,028 - INFO # 2 | main | bl > mutex _ | 7 | 768 ( 246) | 0x21b7 | 0x23c7 > > 2017-12-18 09:05:33,076 - INFO # 3 | at86rf2xx | bl > rx _ | 2 | 512 ( 242) | 0x3de3 | 0x3f44 > > 2017-12-18 09:05:33,124 - INFO # 4 | dump_thread | > running Q | 8 | 768 ( 766) | 0x1b49 | 0x1dea > > 2017-12-18 09:05:33,171 - INFO # 5 | send_thread | bl > mutex _ | 9 | 768 ( 170) | 0x1809 | 0x1a6d > > 2017-12-18 09:05:33,204 - INFO # | SUM | > | | 3584 ( 1512) > > 2017-12-18 09:05:33,205 - INFO # > > 2017-12-18 09:05:33,205 - INFO # *** halted. > > 2017-12-18 09:05:33,219 - INFO # > > The assertion that fails is: > > > assert(pkt->users > 0); > > The application runs fine when packets are received separately. However, > if there is more than one packet in the buffer (that's what I suspect > right now), my application fails. The applications code is attached. Any > one having an idea why this fails? Is the application correct? Maybe > some mutex is failing low-level-ish? Maybe threading on my node (based > on atmega1284p and atmega_common cpu) is corrupted? > Regardless of it, can you please open an issue so we can track this? Thanks and kind regards, Martine
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