Done. Bad news. It does not fix the problem. The speeds remain slow as
before.
Tagged as 'kernel-bug-exists-upstream' as requested.
Any other thought?
Details:
---------------------------------------------------------------------------
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.04 LTS
Release: 14.04
Codename: trusty
$ uname -a
Linux vanhalen 3.15.0-031500rc5-generic #201405091635 SMP Fri May 9 20:36:31
UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
$ iperf -c reinhardt
------------------------------------------------------------
Client connecting to reinhardt, TCP port 5001
TCP window size: 85.0 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.1.105 port 33675 connected with 192.168.1.1 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-10.1 sec 32.5 MBytes 27.1 Mbits/sec
pablo@vanhalen:~$ l
bookmarks-2014-05-12.json Documents/ Music/ report.txt Videos/
Desktop/ Downloads/ Pictures/ report.txt~
devproj/ examples.desktop Public/ Templates/
$ rsync -e "ssh -p2312" -vP LAS.s22e10.432p.mp4 reinhardt:./
user@reinhardt's password:
LAS.s22e10.432p.mp4
235,861,112 100% 3.31MB/s 0:01:07 (xfr#1, to-chk=0/1)
sent 235,918,776 bytes received 34 bytes 3,209,779.73 bytes/sec
total size is 235,861,112 speedup is 1.00
------------------------------------------------------------------------------------------------------------
P.S.: I answered my own question regarding the driver: iwlwifi comes in
the upstream kernel:
$dpkg -S $(modinfo iwlwifi | head -1 | awk '{print $2}')
linux-image-3.15.0-031500rc5-generic:
/lib/modules/3.15.0-031500rc5-generic/kernel/drivers/net/wireless/iwlwifi/iwlwifi.ko
** Tags added: kernel-bug-exists-upstream
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https://bugs.launchpad.net/bugs/1319630
Title:
85% performance hit in iwlwifi from 12.04 to 14.04
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