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Nimble server crash with SRT protocol

Goran 2020-05-30 03:09:16 UTC in Nimble Streamer

My server just crashed, it look like a bug.
OS is Ubuntu 18.04., only SRT and SLDP are enabled . Does Ubuntu 18.04 need some package upgrade, I already saw somewhere problems with Ubuntu 18.04 and Nimble?
This is error log:

[2020-05-30 02:15:37 P1714-T3389] [SRT:RcvQ:worker] I: signal handler: Segmentation fault (11)
[2020-05-30 02:15:37 P1714-T3389] [SRT:RcvQ:worker] E: backtrace:
/usr/bin/nimble(_Z14signal_handleri+0x9e) [0x560b78d76e2e]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x12890) [0x7f456ac77890]
/usr/lib/x86_64-linux-gnu/libsrt-nimble.so.1(_ZN16FECFilterBuiltin16MarkCellReceivedEi+0xda) [0x7f455f77e5da]
/usr/lib/x86_64-linux-gnu/libsrt-nimble.so.1(_ZN16FECFilterBuiltin7receiveERK7CPacketRSt6vectorISt4pairIiiESaIS5_EE+0x2a6) [0x7f455f77f576]
/usr/lib/x86_64-linux-gnu/libsrt-nimble.so.1(_ZN12PacketFilter7receiveEP5CUnit5ref_tISt6vectorIS1_SaIS1_EEES2_IS3_ISt4pairIiiESaIS8_EEE+0x38) [0x7f455f78a798]
/usr/lib/x86_64-linux-gnu/libsrt-nimble.so.1(_ZN4CUDT11processDataEP5CUnit+0x2ec) [0x7f455f76f32c]
/usr/lib/x86_64-linux-gnu/libsrt-nimble.so.1(_ZN9CRcvQueue29worker_ProcessAddressedPacketEiP5CUnitPK8sockaddr+0x7b) [0x7f455f78f47b]
/usr/lib/x86_64-linux-gnu/libsrt-nimble.so.1(_ZN9CRcvQueue6workerEPv+0x250) [0x7f455f78f740]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x76db) [0x7f456ac6c6db]
/lib/x86_64-linux-gnu/libc.so.6(clone+0x3f) [0x7f45697f688f]

Alex Pokotilo 2020-05-30 03:57:41 UTC 

Hi,
this article describing FEC https://blog.wmspanel.com/2020/04/srt-fec-forward-error-correction.html clearly states that FEC may be a root cause of any problems. Moreover it provides recommendation not to use it. From you stack trace it's clear you have a problem in FEC filter. Obey our recommendatioan about FEC usage and use it on your own risk not expecting help from us. Please read the article for details

Goran 2020-05-30 04:18:49 UTC 

Alex, thanks on answer!
I read that article but saw only bug related to : LARGE DROP detected! Resetting all groups. ....
So I guess there is only one bug and not mine :)
Cheers!

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