3.8.2已断开连接无法释放问题

[icetnt]

如图之前3.8.0必现，3.8.1偶现，现在3.8.2又必现了，客户端均使用APTV播放，烦请大佬看下 （NAT网络环境无法使用3.7.0）

[stackia]

需要提供一下单个RTSP从开始播放到断开连接的完整DEBUG日志，我分析一下

[icetnt]

13:44:22 INFO [Supervisor] Received SIGUSR1, restarting workers, sending SIGTERM to 1 workers
13:44:22 WARN [Supervisor] Worker 0 (pid 29163) exited with status 0
13:44:22 INFO [Supervisor] Restarting worker 0
13:44:22 INFO [Supervisor] Spawned worker 0 with pid 30520
13:44:22 INFO [Worker 0] Worker 0 started (pid=30520)
13:44:22 INFO [Worker 0] Listening on 0.0.0.0 port 35140
13:44:22 INFO [Worker 0] Listening on :: port 35140
13:44:22 INFO [Worker 0] Zero-copy: Using regular send (default). Enable zerocopy-on-send for better performance on supported devices.
13:44:22 INFO [Worker 0] Server initialization complete, ready to accept connections
13:44:23 INFO [Worker 0] New client 172.22.217.51:2499 requested URL: /status/sse (method: GET)
13:44:34 INFO [Worker 0] New client 172.22.33.66:59913 requested URL: /rtsp/172.222.222.22:1554/iptv/import/Tvod/iptv/001/001/ch00000000000000000000.rsc/00000_Uni.sdp (method: GET)
13:44:34 DEBUG [Worker 0] Parsed RTSP URL: rtsp://172.222.222.22:1554/iptv/import/Tvod/iptv/001/001/ch00000000000000000000.rsc/00000_Uni.sdp
13:44:34 DEBUG [Worker 0] Timezone: No TZ marker in User-Agent
13:44:34 DEBUG [Worker 0] RTSP: Parsed URL - host=172.222.222.22, port=1554, path=/iptv/import/Tvod/iptv/001/001/ch00000000000000000000.rsc/00000_Uni.sdp
13:44:34 DEBUG [Worker 0] RTSP: Setting up UDP sockets
13:44:34 DEBUG [Worker 0] RTSP: RTP socket registered with epoll
13:44:34 DEBUG [Worker 0] RTSP: RTCP socket registered with epoll
13:44:34 DEBUG [Worker 0] RTSP: UDP sockets bound to ports 16248 (RTP) and 16249 (RTCP)
13:44:34 DEBUG [Worker 0] STUN: Sent Binding Request to stun.l.google.com:19302 (attempt 1/3)
13:44:34 DEBUG [Worker 0] RTSP: Started STUN discovery before TCP connect
13:44:34 DEBUG [Worker 0] RTSP: Connection to 172.222.222.22:1554 in progress (async)
13:44:34 DEBUG [Worker 0] RTSP: Socket registered with epoll for connection completion
13:44:34 DEBUG [Worker 0] RTSP: Async connection initiated, state=1
13:44:34 INFO [Worker 0] RTSP: Connected to 172.222.222.22:1554
13:44:34 DEBUG [Worker 0] RTSP: Connection to 172.222.222.22:1554 completed successfully
13:44:34 DEBUG [Worker 0] RTSP: Prepared request:
OPTIONS rtsp://172.222.222.22:1554/iptv/import/Tvod/iptv/001/001/ch00000000000000000000.rsc/00000_Uni.sdp RTSP/1.0
CSeq: 1
User-Agent: rtp2httpd/3.8.2

13:44:34 DEBUG [Worker 0] RTSP: Request sent completely (156 bytes)
13:44:34 DEBUG [Worker 0] RTSP: Request sent completely, waiting for response
13:44:34 DEBUG [Worker 0] RTSP: Server supports GET_PARAMETER for keepalive
13:44:34 DEBUG [Worker 0] RTSP: Server advertised methods: DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE, OPTIONS, ANNOUNCE, GET_PARAMETER, SET_PARAMETER, REDIRECT, RECORD
13:44:34 DEBUG [Worker 0] RTSP: Received complete header:
RTSP/1.0 200 OK
Server: ZMSS_ChinaTelcom2.2
CSeq: 1
Public: DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE, OPTIONS, ANNOUNCE, GET_PARAMETER, SET_PARAMETER, REDIRECT, RECORD

13:44:34 DEBUG [Worker 0] RTSP: Prepared request:
DESCRIBE rtsp://172.222.222.22:1554/iptv/import/Tvod/iptv/001/001/ch00000000000000000000.rsc/00000_Uni.sdp RTSP/1.0
CSeq: 2
User-Agent: rtp2httpd/3.8.2
Accept: application/sdp

13:44:34 DEBUG [Worker 0] RTSP: Request sent completely (182 bytes)
13:44:34 DEBUG [Worker 0] RTSP: Request sent completely, waiting for response
13:44:34 DEBUG [Worker 0] RTSP: Received complete header:
RTSP/1.0 200 OK
Server: ZMSS_ChinaTelcom2.2
CSeq: 2
Cache-Control: no-cache
Content-length: 424
Date: Wed, 04 Feb 2026 05:44:34 GMT
Expires: Wed, 04 Feb 2026 05:44:34 GMT
Content-Type: application/sdp
Content-Base: rtsp://172.222.222.22:1554/iptv/import/Tvod/iptv/001/001/ch00000000000000000000.rsc/00000_Uni.sdp/

13:44:34 DEBUG [Worker 0] RTSP: Response body data (state=6): v=0
o=- 2209339155 0 IN IP4 172.222.222.22
s=enviviob31
c=IN IP4 0.0.0.0
b=AS:9058
t=0 0
a=x-ZMSSForceUnicast
a=control:*
a=x-zmssvbr:0
a=x-ZMSSTimeShiftLift:10800
a=x-ZMSSCCBitrate:9058
a=x-ZMSSShmFile:ch00000000000000000000_001
a=x-ZMSSProcessMode:2
a=range:clock=19700101T000000.00Z-19700101T000000.00Z
a=x-ZMSSCCStartTime:20250711T020448
m=video 0 RTP/AVP 33
a=rtpmap:33 MP2T/90000
a=control:trackID=2
13:44:34 DEBUG [Worker 0] RTSP: Waiting for STUN response before sending SETUP
13:44:34 INFO [Worker 0] STUN: Discovered mapped address 39.66.241.189:50454
13:44:34 INFO [Worker 0] RTSP: STUN discovery completed, mapped RTP port: 50454
13:44:34 DEBUG [Worker 0] RTSP: Using STUN mapped ports 50454-50455 for SETUP Transport
13:44:34 DEBUG [Worker 0] RTSP: Prepared request:
SETUP rtsp://172.222.222.22:1554/iptv/import/Tvod/iptv/001/001/ch00000000000000000000.rsc/00000_Uni.sdp RTSP/1.0
CSeq: 3
User-Agent: rtp2httpd/3.8.2
Transport: MP2T/RTP/TCP;unicast;interleaved=0-1,MP2T/TCP;unicast;interleaved=0-1,RTP/AVP/TCP;unicast;interleaved=0-1,MP2T/RTP/UDP;unicast;client_port=50454-50455,MP2T/UDP;unicast;client_port=50454-50455,RTP/AVP;unicast;client_port=50454-50455

13:44:34 DEBUG [Worker 0] RTSP: Request sent completely (398 bytes)
13:44:34 DEBUG [Worker 0] RTSP: Request sent completely, waiting for response
13:44:34 DEBUG [Worker 0] RTSP: Parsing server transport response: MP2T/RTP/UDP;unicast;source=172.222.222.22;client_port=50454-50455;server_port=32370-32371
13:44:34 INFO [Worker 0] RTSP: Server selected MP2T/RTP transport
13:44:34 INFO [Worker 0] RTSP: Using UDP transport
13:44:34 DEBUG [Worker 0] RTSP: Server UDP source address: 172.222.222.22
13:44:34 DEBUG [Worker 0] RTSP: Server RTP/RTCP ports: 32370/32371
13:44:34 DEBUG [Worker 0] RTSP: Server confirmed client ports: 50454/50455
13:44:34 DEBUG [Worker 0] RTSP: Sent NAT probe packets to 172.222.222.22:32370/32371
13:44:34 DEBUG [Worker 0] RTSP: Received complete header:
RTSP/1.0 200 OK
Server: ZMSS_ChinaTelcom2.2
CSeq: 3
Session: 7449433266456619827
Date: Wed, 04 Feb 2026 05:44:34 GMT
Expires: Wed, 04 Feb 2026 05:44:34 GMT
Transport: MP2T/RTP/UDP;unicast;source=172.222.222.22;client_port=50454-50455;server_port=32370-32371

13:44:34 DEBUG [Worker 0] RTSP: Prepared request:
PLAY rtsp://172.222.222.22:1554/iptv/import/Tvod/iptv/001/001/ch00000000000000000000.rsc/00000_Uni.sdp RTSP/1.0
CSeq: 4
User-Agent: rtp2httpd/3.8.2
Session: 7449433266456619827

13:44:34 DEBUG [Worker 0] RTSP: Request sent completely (183 bytes)
13:44:34 DEBUG [Worker 0] RTSP: Request sent completely, waiting for response
13:44:34 DEBUG [Worker 0] RTSP: Received complete header:
RTSP/1.0 200 OK
Server: ZMSS_ChinaTelcom2.2
CSeq: 4
Session: 7449433266456619827
Range: clock=20260204T054434.40Z-
Scale: 1.0
RTP-Info: url=rtsp://172.222.222.22:32370/iptv/import/Tvod/iptv/001/001/ch00000000000000000000.rsc/00000_Uni.sdp

13:44:34 INFO [Worker 0] RTSP: Stream started successfully
13:44:34 DEBUG [Worker 0] RTP reorder: Init complete, base_seq=57271 (8 packets collected)
13:44:34 DEBUG [Worker 0] RTP reorder: Recovered 7 out-of-order packets (seq 57274-57280)
13:44:43 DEBUG [Worker 0] Client connection error: Connection reset by peer
13:44:43 INFO [Worker 0] RTSP: Cleanup requested in state 13, initiating TEARDOWN
13:44:43 DEBUG [Worker 0] RTSP: Prepared request:
TEARDOWN rtsp://172.222.222.22:1554/iptv/import/Tvod/iptv/001/001/ch00000000000000000000.rsc/00000_Uni.sdp RTSP/1.0
CSeq: 5
User-Agent: rtp2httpd/3.8.2
Session: 7449433266456619827

13:44:43 DEBUG [Worker 0] RTSP: TEARDOWN request prepared, will send asynchronously
13:44:43 DEBUG [Worker 0] RTSP: TEARDOWN initiated, waiting for async completion
13:44:43 DEBUG [Worker 0] Stream: RTSP async TEARDOWN initiated, deferring final cleanup
13:44:43 DEBUG [Worker 0] Worker: Async RTSP TEARDOWN initiated, deferring connection cleanup
13:44:43 DEBUG [Worker 0] Worker: Deferred cleanup - waiting for RTSP TEARDOWN completion
13:44:43 WARN [Supervisor] Worker 0 (pid 30520) killed by signal 11
13:44:43 INFO [Supervisor] Restarting worker 0
13:44:43 INFO [Supervisor] Spawned worker 0 with pid 30838
13:44:43 INFO [Worker 0] Worker 0 started (pid=30838)
13:44:43 INFO [Worker 0] Listening on 0.0.0.0 port 35140
13:44:43 INFO [Worker 0] Listening on :: port 35140
13:44:43 INFO [Worker 0] Zero-copy: Using regular send (default). Enable zerocopy-on-send for better performance on supported devices.
13:44:43 INFO [Worker 0] Server initialization complete, ready to accept connections
13:44:44 INFO [Worker 0] New client 172.22.217.51:2483 requested URL: /status/sse (method: GET)

[icetnt]

以上是重启工作进程后，播放单个频道到停止播放后的完整debug日志，停止播放后控制台一直如截图所示：

[stackia]

确认是 bug，v3.8.3 已修复，感谢反馈