* Regression in 3.7-rc2 for b43 and b43legacy
@ 2012-10-25 2:09 Larry Finger
2012-10-25 2:19 ` Sujith Manoharan
0 siblings, 1 reply; 5+ messages in thread
From: Larry Finger @ 2012-10-25 2:09 UTC (permalink / raw)
To: Johannes Berg; +Cc: John W Linville, linux-wireless
Johannes,
I have discovered that both b43 and b43legacy broke somewhere between 3.7-rc1
and 3.7-rc2. The problem was bisected to commit fe57d9f. The commit message is
commit fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8
Author: Johannes Berg <johannes.berg@intel.com>
Date: Thu Jul 26 14:55:08 2012 +0200
mac80211: track whether to use channel contexts
Depending on the driver, channel contexts may be used or
not. If they are used, the driver must have support for
hardware scan and remain-on-channel; otherwise the driver
must not advertise support for multiple channels.
Also prohibit WDS type interfaces when channel contexts
are to be used as there's no clear definition of which
channel they use.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
It seems likely that the drivers are inadvertently advertising support for
multiple channels, What must be done to turn off this "feature"?
Thanks,
Larry
^ permalink raw reply [flat|nested] 5+ messages in thread* Regression in 3.7-rc2 for b43 and b43legacy
2012-10-25 2:09 Regression in 3.7-rc2 for b43 and b43legacy Larry Finger
@ 2012-10-25 2:19 ` Sujith Manoharan
2012-10-25 6:00 ` Larry Finger
0 siblings, 1 reply; 5+ messages in thread
From: Sujith Manoharan @ 2012-10-25 2:19 UTC (permalink / raw)
To: Larry Finger; +Cc: Johannes Berg, John W Linville, linux-wireless
Larry Finger wrote:
> I have discovered that both b43 and b43legacy broke somewhere between 3.7-rc1
> and 3.7-rc2. The problem was bisected to commit fe57d9f. The commit message is
>
> commit fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8
> Author: Johannes Berg <johannes.berg@intel.com>
> Date: Thu Jul 26 14:55:08 2012 +0200
>
> mac80211: track whether to use channel contexts
>
> Depending on the driver, channel contexts may be used or
> not. If they are used, the driver must have support for
> hardware scan and remain-on-channel; otherwise the driver
> must not advertise support for multiple channels.
>
> Also prohibit WDS type interfaces when channel contexts
> are to be used as there's no clear definition of which
> channel they use.
>
> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
>
> It seems likely that the drivers are inadvertently advertising support for
> multiple channels, What must be done to turn off this "feature"?
This has been fixed:
https://patchwork.kernel.org/patch/1625871/
Sujith
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: Regression in 3.7-rc2 for b43 and b43legacy
2012-10-25 2:19 ` Sujith Manoharan
@ 2012-10-25 6:00 ` Larry Finger
2012-10-25 7:21 ` Johannes Berg
2012-10-25 17:11 ` Regression in 3.7-rc2 for b43 and b43legacy [and ath9k] Henry Ptasinski
0 siblings, 2 replies; 5+ messages in thread
From: Larry Finger @ 2012-10-25 6:00 UTC (permalink / raw)
To: Sujith Manoharan; +Cc: Johannes Berg, John W Linville, linux-wireless
On 10/24/2012 09:19 PM, Sujith Manoharan wrote:
> Larry Finger wrote:
>
> This has been fixed:
> https://patchwork.kernel.org/patch/1625871/
That patch did the trick.
Thanks,
Larry
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: Regression in 3.7-rc2 for b43 and b43legacy
2012-10-25 6:00 ` Larry Finger
@ 2012-10-25 7:21 ` Johannes Berg
2012-10-25 17:11 ` Regression in 3.7-rc2 for b43 and b43legacy [and ath9k] Henry Ptasinski
1 sibling, 0 replies; 5+ messages in thread
From: Johannes Berg @ 2012-10-25 7:21 UTC (permalink / raw)
To: Larry Finger; +Cc: Sujith Manoharan, John W Linville, linux-wireless
On Thu, 2012-10-25 at 01:00 -0500, Larry Finger wrote:
> On 10/24/2012 09:19 PM, Sujith Manoharan wrote:
> > Larry Finger wrote:
> >
> > This has been fixed:
> > https://patchwork.kernel.org/patch/1625871/
>
> That patch did the trick.
Sorry about that, I'll send a pull request including this patch soon.
johannes
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: Regression in 3.7-rc2 for b43 and b43legacy [and ath9k]
2012-10-25 6:00 ` Larry Finger
2012-10-25 7:21 ` Johannes Berg
@ 2012-10-25 17:11 ` Henry Ptasinski
1 sibling, 0 replies; 5+ messages in thread
From: Henry Ptasinski @ 2012-10-25 17:11 UTC (permalink / raw)
To: Larry Finger
Cc: Sujith Manoharan, Johannes Berg, John W Linville, linux-wireless,
Henry Ptasinski
On 10/25/2012 12:00 AM, Larry Finger wrote:
> On 10/24/2012 09:19 PM, Sujith Manoharan wrote:
>> Larry Finger wrote:
>>
>> This has been fixed:
>> https://patchwork.kernel.org/patch/1625871/
>
> That patch did the trick.
I hit the same bug with ath9k, and just finished bisecting it when I saw
this thread.
This patch works for me also.
---
Henry Ptasinski
henry@logout.com
^ permalink raw reply [flat|nested] 5+ messages in thread
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2012-10-25 2:09 Regression in 3.7-rc2 for b43 and b43legacy Larry Finger
2012-10-25 2:19 ` Sujith Manoharan
2012-10-25 6:00 ` Larry Finger
2012-10-25 7:21 ` Johannes Berg
2012-10-25 17:11 ` Regression in 3.7-rc2 for b43 and b43legacy [and ath9k] Henry Ptasinski
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