Date: Tue, 18 Jan 2011 11:27:51 -0800 From: Weongyo Jeong <weongyo.jeong@gmail.com> To: Eugene Grosbein <egrosbein@rdtc.ru> Cc: "net@freebsd.org" <net@freebsd.org>, Bernhard Schmidt <bschmidt@freebsd.org> Subject: Re: CFT/CFR, possible fix for ifconfig scan hang Message-ID: <20110118192751.GJ1755@weongyo> In-Reply-To: <4D1A29AD.4030103@rdtc.ru> References: <201012272024.37110.bschmidt@freebsd.org> <4D1A10C2.7070506@rdtc.ru> <201012281758.42484.bschmidt@freebsd.org> <4D1A29AD.4030103@rdtc.ru>
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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
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