linux-kernel - Re: Bcm43xx softMac Driver in 2.6.18

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Message-Id: <200609231141.26090.rjw@sisk.pl>
Date:	Sat, 23 Sep 2006 11:41:25 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	ray-gmail@...rabbit.org
Cc:	"Larry Finger" <Larry.Finger@...inger.net>, dbtsai@...il.com,
	"John Linville" <linville@...driver.com>, netdev@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Bcm43xx softMac Driver in 2.6.18

On Saturday, 23 September 2006 08:03, Ray Lee wrote:
> On 9/22/06, Larry Finger <Larry.Finger@...inger.net> wrote:
> > When we found the cause of NETDEV watchdog timeouts in the wireless-2.6 code,
> > I knew that the 2.6.18 release code would cause a serious regression.
> 
> I don't know if this is the lockup you're trying to address, but
> 2.6.18's bcm43xx has definitely regressed for me versus 2.6.17.x.
> 
> 2.6.18 vanilla and 2.6.18 with your patch both lock my system hard
> with bcm43xx. I've got an HP/Compaq nx6125 laptop. Symptoms are that
> it will associate fine on its own and send traffic to/fro upon ifup,
> but when I do an iwconfig, ifdown, ifup to change the access point,
> the system locks (somewhat randomly) during one of those operations.
> Well, the iwconfig or the ifup, actually.

I have observed similar symptoms on HPC nx6325, although I haven't managed
to get the adapter associate with an AP.

This is a PCI-E card so I need some additional patches to make the driver
detect it, and I use the firmware cut from wl_apsta.o.  The kernel is also
64-bit, 2.6.18-rc6-mm2.

lspci -v:

30:00.0 Network controller: Broadcom Corporation BCM4310 UART (rev 01)
        Subsystem: Hewlett-Packard Company Unknown device 1361
        Flags: bus master, fast devsel, latency 0, IRQ 10
        Memory at c8000000 (32-bit, non-prefetchable) [size=16K]
        Capabilities: [40] Power Management version 2
        Capabilities: [58] Message Signalled Interrupts: 64bit- Queue=0/0 Enable-
        Capabilities: [d0] Express Legacy Endpoint IRQ 0

Greetings,
Rafael


-- 
You never change things by fighting the existing reality.
		R. Buckminster Fuller
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