From: Tino Keitel <tino.keitel@tikei.de>
To: netdev@vger.kernel.org
Subject: Re: 2.6.19: very low transmit speed after suspend/resume with Sky2
Date: Sat, 2 Dec 2006 14:18:33 +0100 [thread overview]
Message-ID: <20061202131833.GA3673@thinkpad.home.local> (raw)
In-Reply-To: <20061202091626.GA20734@thinkpad.home.local>
On Sat, Dec 02, 2006 at 10:16:28 +0100, Tino Keitel wrote:
> Hi folks,
>
> since 2.6.19 I have the problem that I get lousy transmit speeds of < 1
> mbit/s.
>
> Here is a quick test, the 5th column is the transfer speed in mbit/s:
>
> From the affected machine to my laptop over WLAN (the affected machine
> is connected to a Fast Ethernet switch):
>
> $ nttcp -r -l 1400 -n 500 dose
> l 700000 8.16 0.04 0.6867 155.5469 824 101.04 22887.6
> 1 700000 8.15 0.00 0.6873 560000.0000 500 61.37 50000000.0
>
> Only 0,68 mbit/s during transmit. :-(
>
> From my laptop to the affected machine:
>
> $ nttcp -l 1400 -n 5000 dose
> l 7000000 2.21 0.03 25.3427 1999.8572 5000 2262.74 178558.7
> 1 7000000 2.25 0.07 24.8363 823.4810 9268 4110.41 136286.1
>
> This is ok, 25 mbit/s during receive, limited by the WLAN in the
> laptop.
>
> After reboot:
>
> $ nttcp -l 1400 -n 5000 dose
> l 7000000 2.04 0.03 27.5005 1749.8906 5000 2455.40 156240.2
> 1 7000000 2.08 0.06 26.9843 999.9464 9455 4556.00 168830.2
>
> Now I got 27 mbit/s during receive, that's ok for WLAN.
Sorry, I should give the number for _transmit_ here. This was ok, too.
Regards,
Tino
next prev parent reply other threads:[~2006-12-02 13:18 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-02 9:16 2.6.19: very low transmit speed after suspend/resume with Sky2 Tino Keitel
2006-12-02 13:18 ` Tino Keitel [this message]
2006-12-02 21:16 ` Stephen Hemminger
2006-12-02 22:37 ` Tino Keitel
2006-12-07 10:32 ` Tino Keitel
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