From: Johannes Berg <johannes@sipsolutions.net>
To: "Bjørn Mork" <bjorn@mork.no>
Cc: Emmanuel Grumbach <egrumbach@gmail.com>,
linux-wireless@vger.kernel.org, ilw@linux.intel.com
Subject: Re: iwlmvm: High latencies and low RX rate with firmware version 22.24.8.0 but not with 22.1.7.0
Date: Thu, 24 Apr 2014 10:02:19 +0200 [thread overview]
Message-ID: <1398326539.4154.0.camel@jlt4.sipsolutions.net> (raw)
In-Reply-To: <87sip3b20f.fsf@nemi.mork.no> (sfid-20140424_094956_885901_C7CBD498)
On Thu, 2014-04-24 at 09:49 +0200, Bjørn Mork wrote:
> I realize that icmp echos don't necessarily tell the whole truth, but
> the same latency difference is noticable on e.g interactive ssh sessions
> as well. So I believe pinging illustrates the difference pretty well.
> The *only* thing changed between these sessions is the iwl
> firmware. Position, channel, driver, hardware is the same. This was
> captured on 2.4GHz.
There might be differences in how the driver treats the firmware - I
think it probably turns off powersave for the older one. Have you tried
turning it off manually?
johannes
next prev parent reply other threads:[~2014-04-24 8:02 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-24 7:49 iwlmvm: High latencies and low RX rate with firmware version 22.24.8.0 but not with 22.1.7.0 Bjørn Mork
2014-04-24 8:02 ` Johannes Berg [this message]
2014-04-24 9:46 ` Bjørn Mork
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