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While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1708604
and then change the status of the bug to 'Confirmed'.
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1708604
Title:
Backport recent bbr bugfixes to 4.10 kernel
Status in linux package in Ubuntu:
Incomplete
Bug description:
4.10 kernel is commonly used for test BBR Congestion Control
deployments.
Recent 4.13 release had a bunch of fixes for the initial BBR release, namely:
4aea287e90dd61a48268ff2994b56f9799441b62 tcp_bbr: cut pacing rate only if
filled pipe
f19fd62dafaf1ed6cf615dba655b82fa9df59074 tcp_bbr: introduce
bbr_bw_to_pacing_rate() helper
79135b89b8af304456bd67916b80116ddf03d7b6 tcp_bbr: introduce
bbr_init_pacing_rate_from_rtt() helper
1d3648eb5d1fe9ed3d095ed8fa19ad11ca4c8bc0 tcp_bbr: remove sk_pacing_rate=0
transient during init
32984565574da7ed3afa10647bb4020d7a9e6c93 tcp_bbr: init pacing rate on first
RTT sample
All of them marked as 'Fixes: 0f8782ea1497 ("tcp_bbr: add BBR
congestion control")', which makes them legitimate bugfixes.
All of them constrained to `net/ipv4/tcp_bbr.c` and should be trivial
to cherrypick into 4.10.
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