Public bug reported:
sysctl fails to set net.ipv4.tcp_congestion_control if the value has a
space. Setting to "cubic" words, setting to "lp" works, setting to
"cubic lp" or "lp cubic" doesn't work.
~> sudo sysctl -p
net.core.rmem_max = 4194304
net.core.wmem_max = 1048576
error: "No such file or directory" setting key "net.ipv4.tcp_congestion_control"
The sysctl manpage reports:
EXAMPLE
# sysctl.conf sample
#
kernel.domainname = example.com
; this one has a space which will be written to the sysctl!
kernel.modprobe = /sbin/mod probe
So it should work.
command echo "cubic lp" > /proc/sys/net/ipv4/tcp_congestion_control
works as excpected
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: procps 1:3.2.8-10ubuntu5
Uname: Linux 3.1.0 i686
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu4
Architecture: i386
Date: Thu Nov 3 20:16:15 2011
SourcePackage: procps
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.sysctl.conf: 2011-11-03T20:10:14.949162
** Affects: procps (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 oneiric running-unity
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https://bugs.launchpad.net/bugs/885838
Title:
sysctl cannot set net.ipv4.tcp_congestion_control to "cubic lp"
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