After updating hdhomerun firmware. I can repeat this. After clean start & reboot
HDHomeRun EXTEND Firmware: 20170930
Channels server: 2017.10.02.1547
Channels DVR (beta): 10.3.243
iPad Pro/iOS 11
Log:
2017/10/03 08:49:30 [HLS] Stopping transcoder session file-2849 @ 23.452778s
2017/10/03 08:50:08 [TNR] Opened connection to 1049508E for ch46.1
2017/10/03 08:50:08 [HLS] Starting transcoder for channel 46.1 (encoder=libx264, resolution=0, deinterlacer=blend, bitrate=10000)
2017/10/03 08:50:31 [WRN] Buffer for 1049508E ch46.1 is more than 50% full (clients=1, len=16784264)
2017/10/03 08:50:37 [WRN] Buffer for 1049508E ch46.1 is more than 50% full (clients=1, len=16781632)
2017/10/03 08:50:45 [WRN] Buffer for 1049508E ch46.1 is more than 50% full (clients=1, len=16781500)
2017/10/03 08:50:53 [WRN] Buffer for 1049508E ch46.1 is more than 50% full (clients=1, len=16782948)
2017/10/03 08:51:02 [WRN] Buffer for 1049508E ch46.1 is more than 50% full (clients=1, len=16786896)
2017/10/03 08:51:08 [WRN] Buffer for 1049508E ch46.1 is more than 75% full (clients=1, len=25165868)
2017/10/03 08:51:13 [WRN] Buffer for 1049508E ch46.1 is more than 50% full (clients=1, len=16779000)
2017/10/03 08:51:20 [WRN] Buffer for 1049508E ch46.1 is more than 75% full (clients=1, len=25165868)
2017/10/03 08:51:25 [WRN] Buffer for 1049508E ch46.1 is more than 95% full (clients=1, len=31877468)
2017/10/03 08:51:26 [WRN] Buffer for 1049508E ch46.1 is more than 99% full (clients=1, len=33219788)
2017/10/03 08:51:43 [WRN] Buffer for 1049508E ch46.1 is more than 50% full (clients=1, len=16794392)
2017/10/03 08:51:47 [WRN] Buffer for 1049508E ch46.1 is more than 75% full (clients=1, len=25165868)
2017/10/03 08:51:52 [WRN] Buffer for 1049508E ch46.1 is more than 95% full (clients=1, len=31878784)
2017/10/03 08:51:54 [WRN] Buffer for 1049508E ch46.1 is more than 99% full (clients=1, len=33227684)
2017/10/03 08:52:06 [HLS] Stopping transcoder session ANY-ch46.1 @ 1m40.350256s
2017/10/03 08:52:06 [TNR] Closed connection to 1049508E for ch46.1
[mpegts @ 0000000000eabfc0] Dropped corrupted packet (stream = 1)
[mpeg2video @ 00000000018fa500] ac-tex damaged at 31 34
[mpeg2video @ 00000000018fa500] Warning MVs not available
I hope this helps.