From: Larry Finger <Larry.Finger@lwfinger.net>
To: Klaas De Craemer <klaasdc@gmail.com>
Cc: htl10@users.sourceforge.net, linux-wireless@vger.kernel.org,
Herton Ronaldo Krzesinski <herton@mandriva.com.br>
Subject: Re: RTL8187L: Can only "enable" hw radio switch after Windows boot
Date: Tue, 23 Nov 2010 14:22:42 -0600 [thread overview]
Message-ID: <4CEC2292.1030808@lwfinger.net> (raw)
In-Reply-To: <AANLkTim_O8SJ5xA4TWfOa2q7NXDG95-PDoXCqosiaGz3@mail.gmail.com>
On 11/23/2010 01:26 PM, Klaas De Craemer wrote:
>
> This morning I put the transceiver inside. I just connected it to the
> Atom box without antenna and it reported no wireless block:
>
> [ 382.312044] usb 1-3: new high speed USB device using ehci_hcd and address 2
> [ 382.450722] usb 1-3: New USB device found, idVendor=0bda, idProduct=8187
> [ 382.450835] usb 1-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
> [ 382.450939] usb 1-3: Product: RTL8187_Wireless
> [ 382.451027] usb 1-3: Manufacturer: Manufacturer_Realtek_RTL8187_
> [ 382.451122] usb 1-3: SerialNumber: 00C0CA3F9517
> [ 382.451822] usb 1-3: configuration #1 chosen from 1 choice
> [ 382.743060] phy1: Selected rate control algorithm 'minstrel'
> [ 382.746490] phy1: hwaddr 00:c0:ca:3f:95:17, RTL8187vB (default) V1
> + rtl8225z2, rfkill mask 2
> [ 382.764106] rtl8187: Customer ID is 0xFF
> [ 382.764344] Registered led device: rtl8187-phy1::tx
> [ 382.764554] Registered led device: rtl8187-phy1::rx
> [ 382.765254] rtl8187: wireless switch is on
> [ 382.765594] usbcore: registered new interface driver rtl8187
>
> Then I put it back onto the antenna outside and it connected just fine.
>
> I'm really confused now. Does this mean that it might be both a hard-
> & software problem? I guess I should also check if it works fine
> "warm" + immediately connecting it to the antenna. If temperature is
> such a problem I might put a heating resistor inside the transceiver
> housing...
I think we do have both a hardware problem in that your device is getting a
false hardware block reading when cold, and that the Linux driver is missing
some operation that compensates for this hardware error.
> The Windows driver is 6.1316.1209.2009 for Windows 7 64bit. It comes
> with a GUI from Alfa Networks that says version 700.1604.108.201.
The only Windows 7 system here belongs to my wife, and any requests to use it
for testing are not well received. In addition, the USB capture code I have only
works on XP. I will try to get that driver, or as close as I can.
A heating element of some sort might be the best bet. As winter comes, the
device might not generate enough heat to keep working. I don't know how cold it
gets where you are located, but if it is 4-5 now, I would expect at least -20 later.
Larry
Larry
next prev parent reply other threads:[~2010-11-23 20:22 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-21 19:05 RTL8187L: Can only "enable" hw radio switch after Windows boot Klaas De Craemer
2010-11-21 22:06 ` Larry Finger
2010-11-22 8:59 ` Klaas De Craemer
2010-11-22 16:23 ` Larry Finger
2010-11-22 16:40 ` Hin-Tak Leung
2010-11-22 19:13 ` Klaas De Craemer
2010-11-22 19:45 ` Larry Finger
2010-11-23 19:26 ` Klaas De Craemer
2010-11-23 20:22 ` Larry Finger [this message]
2010-11-23 21:06 ` Klaas De Craemer
2010-11-24 0:33 ` Larry Finger
2010-11-24 3:09 ` Herton Ronaldo Krzesinski
2011-01-06 18:07 ` Klaas De Craemer
2011-01-10 18:24 ` Klaas De Craemer
2011-01-10 19:10 ` Hin-Tak Leung
2011-01-10 21:49 ` Klaas De Craemer
2010-11-24 3:02 ` Dan Williams
2010-11-24 20:24 ` Hin-Tak Leung
2010-11-22 17:02 ` Sven-Haegar Koch
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