From: wwguy <wey-yi.w.guy@intel.com>
To: Stanislaw Gruszka <sgruszka@redhat.com>
Cc: Intel Linux Wireless <ilw@linux.intel.com>,
"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
"stable@kernel.org" <stable@kernel.org>
Subject: Re: [PATCH v2] iwl3945: remove plcp check
Date: Wed, 09 Feb 2011 09:07:42 -0800 [thread overview]
Message-ID: <1297271262.20613.66.camel@wwguy-ubuntu> (raw)
In-Reply-To: <20110209074606.GA5528@redhat.com>
On Tue, 2011-02-08 at 23:46 -0800, Stanislaw Gruszka wrote:
> Patch fixes:
> https://bugzilla.redhat.com/show_bug.cgi?id=654599
>
> Many users report very low speed problem on 3945 devices,
> this patch fixes problem, but only for some of them.
>
> For unknown reason, sometimes after hw scanning, device is not able
> to receive frames at high rate. Since plcp health check may request
> hw scan to "reset radio", performance problem start to be observable
> after update kernel to .35, where plcp check was introduced.
>
> Bug reporter confirmed that removing plcp check fixed problem for him.
>
> Reported-and-tested-by: SilvioTO <silviotoya@yahoo.it>
> Cc: stable@kernel.org # 2.6.35+
> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
> ---
> v1 -> v2
> Instead of tuning threshold remove the check completely
>
looks good for just minimal changes
Wey
prev parent reply other threads:[~2011-02-09 17:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-08 9:04 [PATCH] iwl3945: increase plcp check threshold Stanislaw Gruszka
2011-02-08 15:47 ` wwguy
2011-02-09 6:31 ` Stanislaw Gruszka
2011-02-09 7:46 ` [PATCH v2] iwl3945: remove plcp check Stanislaw Gruszka
2011-02-09 17:07 ` wwguy [this message]
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