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From: Arend van Spriel <arend.vanspriel@broadcom.com>
To: Ian Molton <ian@mnementh.co.uk>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Cc: Franky Lin <franky.lin@broadcom.com>,
	Hante Meuleman <hante.meuleman@broadcom.com>
Subject: Re: BUG: brcmfmac: add firmware feature detection for gscan feature breaks 43430a1
Date: Mon, 17 Jul 2017 22:36:37 +0200	[thread overview]
Message-ID: <6c512250-5299-0cad-675b-e7780e999b58@broadcom.com> (raw)
In-Reply-To: <c322c7c6-823b-0d36-8968-101d143b3220@mnementh.co.uk>



On 17-07-17 22:13, Ian Molton wrote:
> On 17/07/17 20:53, Arend van Spriel wrote:
>>> 2) The firmware is failing when asked to handle the new requiests, and
>>>    is going to la-la land.
>> taken a wrong turn straight into la-la land.
> 
> Doh!
> 
>>> I have version wl0: Aug 29 2016 20:48:16 version 7.45.41.26 (r640327)
>>> FWID 01-4527cfab
>> Not so much newer firmware, but I used a different chip when
>> implementing the multi-scheduled scan patches. I tried some other
>> devices, but not the bcm4343{0,8}. Now as far as I can see over here the
>> brcmfmac43430-sdio.bin is not built with gscan support so it should just
>> return firmware errorcode, ie. -23. So it would be interesting to see
>> what firmware has to say. Can you load the driver with
>> ignore_probe_fail=1 and dump the forensics file in debugfs.
> 
> I don't appear to get anything useful in debugfs. Where should I be looking?

In <debugfs_mountpoint>/brcmfmac/*/forensics, but you have to load the
driver with modules parameter 'ignore_probe_fail=1' to avoid the driver
remove tearing down all debugfs stuff.

  reply	other threads:[~2017-07-17 20:36 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-17 17:50 BUG: brcmfmac: add firmware feature detection for gscan feature breaks 43430a1 Ian Molton
2017-07-17 18:31 ` Ian Molton
2017-07-17 19:53   ` Arend van Spriel
2017-07-17 20:13     ` Ian Molton
2017-07-17 20:36       ` Arend van Spriel [this message]
2017-07-17 20:41         ` Ian Molton
2017-07-17 21:31           ` Arend van Spriel
2017-07-17 22:02             ` Ian Molton
2017-07-17 22:10             ` Ian Molton
2017-07-18 19:49               ` Arend van Spriel

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