Date: Tue, 29 Jan 2002 15:09:21 -0800 From: Brooks Davis <brooks@one-eyed-alien.net> To: Eric Liedtke <eliedtke@apogeetelecom.com> Cc: freebsd-stable@FreeBSD.ORG Subject: Re: Another Linksys WDT11 problem Message-ID: <20020129150921.A7477@Odin.AC.HMC.Edu> In-Reply-To: <20020129025206.GC31653@apogeetelecom.com>; from eliedtke@apogeetelecom.com on Mon, Jan 28, 2002 at 08:52:06PM -0600 References: <20020129025206.GC31653@apogeetelecom.com>
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On Mon, Jan 28, 2002 at 08:52:06PM -0600, Eric Liedtke wrote:
> Ok, from my last mail I got the card working fine. So it was time to
> tranfer it to a 3rd machine, my home router, as it's final resting place
> and I have run into a new problem....I am getting a error message of
>
> wi0: mac read failed 5
>
> I poked around in the code a little bit, but couldn't come up with
> anything of use. I am not sure how to go about troubleshooting this from
> here, so any advice would be great. Thanks
Ok, this is a bit of a shot in the dark, but what the heck. If you look
for that error message in the driver, you'll find this comment:
/*
* Read the station address.
* And do it twice. I've seen PRISM-based cards that return
* an error when trying to read it the first time, which causes
* the probe to fail.
*/
My guess is that in some circumstances this hack isn't enough. The
first thing to try would be stuffing a delay in between the two reads
like so:
wi_read_record(sc, (struct wi_ltv_gen *)&mac);
---> DELAY(50);
if ((error = wi_read_record(sc, (struct wi_ltv_gen *)&mac)) != 0) {
device_printf(dev, "mac read failed %d\n", error);
wi_free(dev);
return (error);
}
Try playing with the delay value a bit if that doesn't work.
-- Brooks
--
Any statement of the form "X is the one, true Y" is FALSE.
PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4
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