From: Kalle Valo <kvalo@qca.qualcomm.com>
To: Sangwook Lee <sangwook.lee@linaro.org>
Cc: <linux-wireless@vger.kernel.org>
Subject: Re: Question: ath6kl (driver/net/wireless/ath/ath6kl) with debug_mask value
Date: Thu, 8 Sep 2011 19:27:14 +0300 [thread overview]
Message-ID: <4E68ECE2.7060504@qca.qualcomm.com> (raw)
In-Reply-To: <CADPsn1bsUJqcuwZrW+e92aGms+t+TKRasnGb=ujzzgvz+S1Maw@mail.gmail.com>
Hi Sangwook,
On 09/07/2011 04:32 PM, Sangwook Lee wrote:
> I am running ath6kl-cleanup git.
BTW, ath6kl-cleanup.git is not updated anymore. Instead there's now
ath6kl.git which follows wireless-testing. You can find it from
git.kernel.org (when it's up again) or from github.
> If I add debug_mask values with ath6kl.ko as like followings, I get
> the success full results,
> but without this, "iwlist wlan0 scan" fails.
>
> ath6kl: hw 2.0 fw 3.1.1.149
Hmm, I'm not sure if I have hw 2.0. I try to find one from my "stash" :)
> 1) SCAN success with debug values: ( 0xc44,c40,40)
> $ insmod ath.ko
> $ insmod ath6kl.ko debug_mask=0x40
> $ ifconfig wlan0 up
> $ iwlist wlan0 scan
>
> 2) SCAN failure
> $ insmod ath.ko
> $ insmod ath6kl.ko
> $ ifconfig wlan0 up
> $ iwlist wlan0 scan
> With this case, there is no coming event "WMI_SCAN_COMPLETE_EVENTID".
> After receiving "ath6kl: WMI_EXTENSION_EVENTID"
> iwlist shows error message:
> wlan0 Failed to read scan data : Resource temporarily unavailable
0x40 is ATH6KL_DBG_HTC_RECV. I guess the debug prints slow down the
execution and papers over the bug. At least I can't think of any other
explonation right now.
Before I'm able to find a hw 2.0 device, can you try to debug this more?
When scanning fails can check if ath6kldev_intr_bh_handler() is called
or not? When scanning fails it usually happens because irqs are failing.
Can you share any details about your setup? From linaro.org I assume you
are using an arm board of some sort ;)
Kalle
next prev parent reply other threads:[~2011-09-08 23:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-07 13:32 Question: ath6kl (driver/net/wireless/ath/ath6kl) with debug_mask value Sangwook Lee
2011-09-08 16:27 ` Kalle Valo [this message]
2011-09-09 8:54 ` Sangwook Lee
[not found] ` <CADPsn1Zi20JHmc7EOFCvjDmKWKtHnBCcyxTxWwBK8_vLps_u_w@mail.gmail.com>
2011-10-04 13:22 ` Sangwook Lee
2011-10-05 9:55 ` Kalle Valo
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4E68ECE2.7060504@qca.qualcomm.com \
--to=kvalo@qca.qualcomm.com \
--cc=linux-wireless@vger.kernel.org \
--cc=sangwook.lee@linaro.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.