From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oliver Neukum Subject: Re: 3.4-rc5: usbserial pl2303 attached via Texas Instruments USB3.0 chip Oopses Date: Wed, 2 May 2012 12:08:47 +0200 Message-ID: <201205021208.47420.oneukum@suse.de> References: <4FA10506.7020203@fold.natur.cuni.cz> Mime-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Return-path: Received: from cantor2.suse.de ([195.135.220.15]:38818 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752024Ab2EBKMq (ORCPT ); Wed, 2 May 2012 06:12:46 -0400 In-Reply-To: <4FA10506.7020203@fold.natur.cuni.cz> Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: Martin Mokrejs Cc: "linux-usb@vger.kernel.org" , gregkh@linuxfoundation.org, linux-serial@vger.kernel.org Am Mittwoch, 2. Mai 2012, 11:57:26 schrieb Martin Mokrejs: > Hi, > I am trying to setup a remote serial console on my Dell Vostro 3550 laptop. > I have some USB to serial dongle which has Prolific 2303 chipset, and works. > I have statically in my kernel: > > USB_SERIAL=y > USB_SERIAL_CONSOLE=y > CONFIG_USB_SERIAL_PL2303=y > > The problem is that when I attach the dongle to USB3.0 controller linux crashes. > It does not happen if I attach it to EHCI controller (like shown in lsub output at > the end of this email). Hi, interesting. There's no good reason scheduling a work should fail depending on the hardware at this point. What does /proc/interrupts say? Regards Oliver