CCing list
On Tue, Jun 17, 2008 at 5:38 PM, David Ellingsworth
<[EMAIL PROTECTED]> wrote:
> On Tue, Jun 17, 2008 at 5:19 PM, Pavel Roskin <[EMAIL PROTECTED]> wrote:
>> On Tue, 2008-06-17 at 16:59 -0400, David Ellingsworth wrote:
>>> I ran into this error today from a kernel I built last night based on
>>> the latest wireless-testing branch. Correct me if I'm wrong, but it
>>> looks to be b43legacy related. I'm a bit new to kernel debugging but
>>> can try to provide additional information if instructions on how to do
>>> so are provided.
>> ...
>>> WARNING: at kernel/softirq.c:141 local_bh_enable+0x1f/0x59()
>> ...
>>> [<c0117477>] local_bh_enable+0x1f/0x59
>>> [<dcf44045>] __sta_info_unlink+0xa9/0x134 [mac80211]
>>> [<dcf4453f>] sta_info_unlink+0x9/0xd [mac80211]
>>
>> It looks like __sta_info_unlink() from net/mac80211/sta_info.c tries to
>> enable softirqs while hardirqs are disabled. That doesn't appear to be
>> specific to the driver. Perhaps it should be reported to
>> linux-wireless.
>>
>>> b43legacy-phy0 warning: Unexpected value for chanstat (0x7C00)
>>
>> That is b43legacy related. The driver only expects B43legacy_PHYTYPE_B
>> (1) or B43legacy_PHYTYPE_G (2) in the lower two bytes of chanstat, but
>> it's 0.
>>
> ^^^^^^^^^^^^^^^^^
> I've been seeing this warning for a while, and have reviewed the code
> where this occurs but have yet to pinpoint the cause. From what I can
> tell, it hasn't caused problems in the past and is the reason it is
> marked as a warning.
>> --
>> Regards,
>> Pavel Roskin
>>
>
> On another note, I'd like to add, that I see a 25% packet loss while
> pinging my wireless router under Linux but I'm not sure of the cause.
> Under Windows XP, at the same distance I don't experience any packet
> loss so I can only conclude that it is something driver related as of
> yet.
>
> Regards,
>
> David Ellingsworth
>
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