FS#62986 - 5.1.14-arch1-1-ARCH busty network performance with small send buffers

Attached to Project: Arch Linux
Opened by Michael J Evans (mjevans) - Sunday, 23 June 2019, 20:22 GMT
Last edited by Eli Schwartz (eschwartz) - Tuesday, 09 July 2019, 21:17 GMT
Task Type Bug Report
Category Kernel
Status Closed
Assigned To No-one
Architecture All
Severity High
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

After applying security updates this morning I realized that I am unable to play online multiplayer games. The experience presents as a very poor connection, however it is very probably due to hitting this bug. This is likely to affect other users of games and may also degrade performance in other networking applications.

https://www.phoronix.com/scan.php?page=news_item&px=Steam-Linux-Network-One-Line

https://github.com/torvalds/linux/commit/b6653b3629e5b88202be3c9abc44713973f5c4b4

Please consider applying the patch that helps to resolve this issue.
This task depends upon

Closed by  Eli Schwartz (eschwartz)
Tuesday, 09 July 2019, 21:17 GMT
Reason for closing:  Not a bug
Additional comments about closing:  the kernel version posted literally contains the commit that's being asked for
Comment by Michael J Evans (mjevans) - Sunday, 23 June 2019, 21:34 GMT
Thank you; I checked the sources just now and it does in fact contain this patch... which means something else is causing the issue I observed.

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/net/ipv4/tcp_output.c?h=v5.1.14#n1302
Comment by Daniel Biro (archbox) - Tuesday, 25 June 2019, 10:22 GMT
Are you using wifi? Is it only happening when you play games or your network has a poor performance in general?

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