linux-kernel - Re: [REGRESSION] [IWL3945] Broadcast is broken?

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Date:	Mon, 14 Jun 2010 20:55:38 +0300
From:	Maxim Levitsky <maximlevitsky@...il.com>
To:	maciej.rutecki@...il.com
Cc:	LKML <linux-kernel@...r.kernel.org>, reinette.chatre@...el.com,
	wey-yi.w.guy@...el.com, ilw@...ux.intel.com,
	linux-wireless@...r.kernel.org,
	Berg Johannes <johannes.berg@...el.com>,
	iwlwifi maling list <ipw3945-devel@...ts.sourceforge.net>
Subject: Re: [REGRESSION] [IWL3945] Broadcast is broken?

On Mon, 2010-06-14 at 19:24 +0200, Maciej Rutecki wrote: 
> Hardware:
> 08:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG [Golan] 
> Network Connection (rev 02)
> 
> Last known good kernel: 2.6.34
> 
> Failing kernels: since 2.6.35-rc1 to 2.6.35-rc3
> 
> Symptoms:
> During connect do wireless network authentication seems be OK, but I cannot 
> get IP from dhcp serwer. I do:
> echo 0x43fff > /sys/class/net/wlan0/device/debug_level
> 
> Syslog is here:
> http://unixy.pl/maciek/download/kernel/2.6.35-rc3/gumis/syslog-before.txt
> 
> From syslog I guess the problem is that it doesn't receive broadcast frames 
> (but I'm not sure), so I try:
> sudo ifconfig wlan0 promisc
> 
> Syslog:
> http://unixy.pl/maciek/download/kernel/2.6.35-rc3/gumis/syslog-after.txt
> 
> And then I can get IP address.
> 
> Any advice?

Very likely commit 3474ad635db371b0d8d0ee40086f15d223d5b6a4, 
because I have same problem.

Try to revert it.

Best regards,
Maxim Levitsky


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