Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 23 Nov 2000 12:22:15 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 23 Nov 2000 12:22:05 -0500 Received: from atbode61.informatik.tu-muenchen.de ([131.159.1.165]:36994 "EHLO atbode61.informatik.tu-muenchen.de") by vger.kernel.org with ESMTP id ; Thu, 23 Nov 2000 12:21:59 -0500 Date: Thu, 23 Nov 2000 17:49:52 +0100 From: Georg Acher To: Rui Sousa Cc: Michael Elkins , usb@in.tum.de, linux-kernel@vger.kernel.org Subject: Re: PROBLEM: kernel 2.4.0-test11-ac1 hang with usb-uhci and emu10k1 Message-ID: <20001123174952.B7591@in.tum.de> Mail-Followup-To: Rui Sousa , Michael Elkins , usb@in.tum.de, linux-kernel@vger.kernel.org In-Reply-To: <20001123020203.A30491@toesinperil.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0pre3i In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Nov 23, 2000 at 04:35:33PM +0000, Rui Sousa wrote: > On Thu, 23 Nov 2000, Michael Elkins wrote: > > Usb controller is sharing a interrupt with the emu10k1. > For what I know the emu10k1 driver doesn't have any problem > sharing irq's, so I would blame the usb driver... usb-uhci doesn't also have any problem with sharing irqs: > cat /proc/interrupts 10: 5597981 XT-PIC aic7xxx, eth0, usb-uhci Hm, no one left to blame... I would debug it as follows: Place various printks in the initialization code (reset_hc(), start_hc() and alloc_uhci) and find out after which printk it hangs. Then it would be possible to investigate this further... -- Georg Acher, acher@in.tum.de http://www.in.tum.de/~acher/ "Oh no, not again !" The bowl of petunias - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/