From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.gmx.net ([213.165.64.20]:38233 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1750827AbZKWNln (ORCPT ); Mon, 23 Nov 2009 08:41:43 -0500 Date: Mon, 23 Nov 2009 14:41:38 +0100 From: grafgrimm77@gmx.de To: Patrick Boettcher Cc: Linux Media Mailing List Subject: Re: dibusb-common.c FE_HAS_LOCK problem Message-ID: <20091123144138.5a27485b@x2.grafnetz> In-Reply-To: References: <20091107105614.7a51f2f5@x2.grafnetz> <20091121182514.61b39d23@x2.grafnetz> <20091123120310.5b10c9cc@x2.grafnetz> <20091123123338.7273255b@x2.grafnetz> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: Am Mon, 23 Nov 2009 14:19:10 +0100 (CET) schrieb Patrick Boettcher : > On Mon, 23 Nov 2009, Patrick Boettcher wrote: > > > On Mon, 23 Nov 2009, grafgrimm77@gmx.de wrote: > >> [..] > >> ----- hello stupid I2C access ---- > >> Pid: 255, comm: khubd Tainted: P A 2.6.31.6 #1 > >> Call Trace: > >> [] ? dibusb_i2c_xfer+0xe2/0x130 [dvb_usb_dibusb_common] > >> [] ? i2c_transfer+0x91/0xe0 > >> [] ? dib3000_write_reg+0x51/0x70 [dib3000mb] > >> [] ? dvb_pll_attach+0xa9/0x238 [dvb_pll] > >> [..] > > > > Voila. > > > > This is the access with makes the dvb-pll-driver not create the tuner driver. > > > > This is (I forgot the correct name) read-without-write-i2caccess. It is bad > > handled by the dibusb-driver and it can destroy the eeprom on the USB side. > > > > Please try whether the attached patch fixes the whole situation for you. > > > > If so, please send back a line like this: > > > > Tested-by: Your name > > The patch attached. > > -- > > Patrick Boettcher - Kernel Labs > http://www.kernellabs.com/ Hi Patrick, your patch [dibusb-common-fix text/PLAIN (1054 bytes)] works here. Tested-by: Mario Bachmann Mario