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Issue 672664 link

Starred by 1 user
Status: WontFix
Owner:
sergeyu@chromium.org
Closed: Dec 2016
Cc:
posciak@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Chrome
Pri: 1
Type: Bug



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Chromoting WebRTC connection stalls

Project Member Reported by sergeyu@chromium.org, Dec 9 2016 
Repro steps:
1. Connect to a chromoting host from HP Chromebook (chell)

Connection stalls shortly after (as reported in chrome://webrtc-internals/ ). Screen stops updating, while the host keeps sending video. It appears that the problem is on the receiver side, particularly with video decoding. I see the following logs:

[1:26:1208/164259:WARNING:packet_buffer.cc(145)] PacketBuffer is already at max size (2048), failed to increase size.
[1:26:1208/164259:WARNING:packet_buffer.cc(145)] PacketBuffer is already at max size (2048), failed to increase size.
[1:41:1208/164259:WARNING:nack_module.cc(245)] Sequence number 39773 removed from NACK list due to max retries.
[1:41:1208/164259:WARNING:nack_module.cc(245)] Sequence number 39774 removed from NACK list due to max retries.
[1:41:1208/164259:WARNING:nack_module.cc(245)] Sequence number 39775 removed from NACK list due to max retries.
[1:41:1208/164259:WARNING:nack_module.cc(245)] Sequence number 39776 removed from NACK list due to max retries.
[1:41:1208/164259:WARNING:nack_module.cc(245)] Sequence number 39777 removed from NACK list due to max retries.
[1:41:1208/164259:WARNING:nack_module.cc(245)] Sequence number 39778 removed from NACK list due to max retries.
[1:41:1208/164259:WARNING:nack_module.cc(245)] Sequence number 39780 removed from NACK list due to max retries.
[1:41:1208/164259:WARNING:nack_module.cc(245)] Sequence number 39782 removed from NACK list due to max retries.
[1:41:1208/164259:WARNING:nack_module.cc(245)] Sequence number 39785 removed from NACK list due to max retries.
[1:26:1208/164259:WARNING:packet_buffer.cc(145)] PacketBuffer is already at max size (2048), failed to increase size.
[1:26:1208/164259:WARNING:packet_buffer.cc(145)] PacketBuffer is already at max size (2048), failed to increase size.
[1:26:1208/164259:WARNING:packet_buffer.cc(145)] PacketBuffer is already at max size (2048), failed to increase size.
[1:26:1208/164259:WARNING:packet_buffer.cc(145)] PacketBuffer is already at max size (2048), failed to increase size.

Comment 1 by sergeyu@chromium.org, Dec 9 2016

Cc: posciak@chromium.org
It works properly after disabling HW video decoding (--disable-webrtc-hw-decoding in about://flags)

+posciak@
Pawel, who would be the best person to investigate this issue?

Comment 2 by posciak@chromium.org, Dec 9 2016

Components: OS>Kernel>Video
Labels: videoshortlist
Thanks for the report, would you be able to submit CrOS feedback after reproducing please? We'll take a look.

Comment 3 by sergeyu@chromium.org, Dec 9 2016

Status: WontFix (was: Assigned)
Can't reproduce it anymore (after enabling HW decoding), so HW decoding may be a red herring. It's possible that simply restarting chrome fixed the issue (I don't think I had an update when restarting, but I may be wrong about it). Closing for now, will reopen if it repros again.
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