Re: [ipw3945-devel] [BUG] iwlwifi 3945 works only with disable_hw_scan=1

[Filippo Zangheri <filippo.zangheri@yahoo.it>]

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Hello everybody.

Zhu Yi ha scritto:
> On Thu, 2008-06-12 at 09:59 -0400, John W. Linville wrote:
>> How does the hardware scan differ from what mac80211 does when
>> scanning?
> 
> Software scan disables Tx during the scan process while hardware scan
> doesn't. So you are expected to see continous ping responds instead of a
> freeze during the scan period. Hardware scan is also more efficient
> since it is handled by the firmware.
> 
>> I still see a lot of mysterious iwlwifi (especially iwl3945)
>> problems in Fedora that seem to disappear with disable_hw_scan=1.
> 
> I don't see this problem from my side. I'll do more testing for 3945.

Me neither. iwl3945's HW scan has always worked properly on my
system. It's a 32bit Core2Duo with latest stable vanilla kernel and
latest compat-wireless driver and mac80211 subsystem.

Never had a single problem with it.

Just a proper-work report.

Thank you for a driver that - at least on my system - is working
great (even from the speed point of view, but that's another topic).


>> Honestly I'm tempted to change it to "enable_hw_scan" instead...
> 
> Give the advantages, I'd like to use it if we can fix the bug (I haven't
> seen what the bug is myself). But you are free to change the default
> value until it is fixed. There is no such problem for 4965, right?


- --
Filippo Zangheri

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