WLAN failure in 20x XO-1.5s [WAS: Re: NANDblaster failing]

[Sridhar Dhanapalan]

On 15 February 2011 14:27, Sridhar Dhanapalan <sridhar at laptop.org.au> wrote:
> On 12 February 2011 01:39, Martin Langhoff <martin.langhoff at gmail.com> wrote:
>> On Fri, Feb 11, 2011 at 2:54 AM, James Cameron <quozl at laptop.org> wrote:
>>> I'm quite familiar with that part of the SDHCI implementation in the
>>> firmware.
>>
>> And practical experience in the field backs James' and Chris' notes
>> and recommendations :-)
>>
>> The wlan card is acting up. Maybe I can add a suggestion to test it
>> under OFW as a NANDBlaster receiver, as well as testing it under
>> Linux.
>
> It seems to work fine as a NANDblaster receiver. It also passes the
> firmware tests . The only thing it can't do is act as a NANDblaster
> sender. By that I mean it runs for 30-60 minutes and then starts
> spitting out the errors I mentioned in my other message.
>
> I don't see any problems in Linux. Following James' advice, I
> associated with an AP and pinged the gateway for a few hours. Over
> ~7500 pings, I had 1% packet loss and no errors in /ver/log/dmesg.
>
> The serial number for that XO is SHC01400234.
>

Possibly related to this, we have at least 20x XO-1.5s that have
completely dead WLAN. The OpenFirmware wireless test fails
immediately.

The serial numbers are:

SHC01600DFB
SHC01901C07
SHC01901776
SCH01901C7B
SHC01901D75
SHC019011CA
SHC019011B9
SHC01901144
SHC01901164
SHC0190104A
SHC01901670
SHC01901755
SHC01901708
SHC0190113F
SHC01901357
SHC0190136C
SHC019010FC
SHC01901D53
SHC01901D7A
SHC01901D69