Re: LOR in iwi with new 802.11 work

Stefan Ehmann wrote:
> On Friday 15 June 2007 18:23:50 Sam Leffler wrote:
>> Stefan Ehmann wrote:
>>> On Thursday 14 June 2007 18:16:54 Sam Leffler wrote:
>>>> Stefan Ehmann wrote:
>>>>> After the system is up for about 5 minutes, I see this LOR. Haven't
>>>>> seen it posted yet.
>>>>>
>>>>> Stefan
>>>>>
>>>>> lock order reversal:
>>>>>  1st 0xc2e4700c ieee80211com (802.11 com lock)
>>>>> _at_ /usr/src/sys/net80211/ieee80211_scan.c:523
>>>>>  2nd 0xc2e48400 iwi0 (network driver)
>>>>> _at_ /usr/src/sys/modules/iwi/../../dev/iwi/if_iwi.c:1908
>>> ...
>>>
>>>> Yes, known and can safely be ignored.
>>> Okay, thanks.
>>>
>>> Another problem I've noticed (don't want to start a new thread):
>>>
>>> Before the latest commit, I've never seen dropouts in the connnection.
>>>
>>> But now I've seen for the second time that the connection drops for some
>>> seconds. ifconfig shows no IP address. At least it recovers, but open
>>> connections die.
>>>
>>> In dmesg I see:
>>>
>>> Jun 15 10:34:25 something kernel: iwi0: firmware stuck in state 4,
>>> resetting Jun 15 10:34:25 something kernel: iwi0: link state changed to
>>> DOWN Jun 15 10:34:28 something kernel: iwi0: link state changed to UP
>>>
>>> Is this a known issue? Do you need any more info?
>> Andrew already responded but if you want to disable bg scanning do:
>>
>> ifconfig iwi0 -bgscan
> Was bgscan on for iwi before the latest changes? A "ifconfig iwi0 scan" seems 
> to cause a "scan stuck" every time. But this also happened before the 802.11 
> changes IIRC. So this might be an old iwi bug after all. (I still wouldn't 
> mind if it was resolved :))

bgscan did not exist before the recent changes.

	Sam