Hi again Joseph. Thanks for your guidance through out this process :)
Yes, this bring the speed back close as it were in 12.04. I tested on
both the upstream kernel, and the current Trusty 14.04 kernel. Both are
working at fairly high speeds again (see below).
So I guess this one was not exactly
** Tags added: kernel-bug-reported-upstream
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Title:
85% performance hit in iwlwifi from 12.04 to 14.04
Status in “linux” package in
Got an answer right away. I'll test this tomorrow morning.
Original Message
Date: Tue, 20 May 2014 07:58:10 +0300
From: Emmanuel Grumbach
On Tue, May 20, 2014 at 7:19 AM, Pablo Piaggio wrote:
> [1.] One line summary of the problem:
> 85% decrease performance
** Attachment added: "Copy of the mail sent to maintainers."
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1319630/+attachment/4115884/+files/upstream_bug.txt
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Yes. No problem.
Working on it.
I'll update when done.
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Title:
85% performance hit in iwlwifi from 12.04 to 14.04
Status in “linu
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
Hi Joseph. Thanks for your interest.
Working on it. I'll post my results ASAP.
P.S.: I'm a little confused. I know the iwlfifi driver is not in linux-
image-generic*, but in linux-image-extra-*. Does this mean that the
driver will remain the same? Is your assessment, then, that the problem
lays o
Lines edited.
(comment #3 no longer applies),
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Title:
85% performance hit in iwlwifi from 12.04 to 14.04
Status in “linux” package
** Description changed:
Summary: Almost 10 times slower speeds using 14.04 compared with 12.04
(same machine). Using iperf, Precise: 172 Mbits/sec. Trusty: 27.4
Mbits/sec. Using rsync: Precise: 19.83MB/s. Trusty: 3.12MB/s.
Details:
Machine:
- Laptop Toshiba Satellite A665
-
The line:
12.04 Trusty
###
should say:
12.04 Precise
###
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Public bug reported:
Summary: Almost 10 times slower speeds using 14.04 compared with 12.04
(same machine). Using iperf, Precise: 172 Mbits/sec. Trusty: 27.4
Mbits/sec. Using rsync: Precise: 19.83MB/s. Trusty: 3.12MB/s.
Details:
Machine:
Laptop Toshiba Satellite A665
Triple boot Ubuntu
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