CFT/CFR, possible fix for ifconfig scan hang

[Weongyo Jeong]

On Wed, Dec 29, 2010 at 12:17:17AM +0600, Eugene Grosbein wrote:
> On 28.12.2010 22:58, Bernhard Schmidt wrote:
> > On Tuesday 28 December 2010 17:30:58 you wrote:
> >> On 28.12.2010 01:24, Bernhard Schmidt wrote:
> >>> I have a patch available which addresses both of the issues. It requests
> >>> a background scan by default and also honors the return value of
> >>> start_scan_locked():
> >>> - for head
> >>> http://techwires.net/~bschmidt/scan_hang_head.diff
> >>> - for 8-stable/8.2-*:
> >>> http://techwires.net/~bschmidt/scan_hang_stable.diff
> >>>
> >>> Please test and let me know if it works, or not.
> >>
> >> It helps and works for urtw(4)/Realtek RTL8187B found in some notebooks,
> > 
> > Thanks
> > 
> >> thanks. However, it still takes 81 seconds for "ifconfig wlan0 up" to
> >> complete and I wonder why. Then "ifconfig wlan0 scan" works without delay
> >> (it was hanging forever without your patch).
> > 
> > Is it really 81 seconds? or just 8.1, that's what I've got too.
> 
> Really 81 seconds.

Too late to response that I came back from vacation and today I reached
this email on my mailbox queue.

It seems I also need to test but taking long time to initialize the
device is true.  I also couldn't understand why the realtek vendor added
long and many delays or pauses at their sources.

regards,
Weongyo Jeong