Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 14 Apr 2002 13:25:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 14 Apr 2002 13:25:26 -0400 Received: from server0011.freedom2surf.net ([194.106.56.14]:2139 "EHLO server0011.freedom2surf.net") by vger.kernel.org with ESMTP id ; Sun, 14 Apr 2002 13:25:25 -0400 Date: Sun, 14 Apr 2002 18:32:47 +0100 From: Ian Molton To: Greg KH Cc: linux-kernel@vger.kernel.org Subject: Re: usb-uhci *BUG* Message-Id: <20020414183247.016a2ec3.spyro@armlinux.org> In-Reply-To: <20020414150719.GA17826@kroah.com> Reply-To: spyro@armlinux.org Organization: The dragon roost X-Mailer: Sylpheed version 0.7.4cvs5 (GTK+ 1.2.10; ) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Greg KH Awoke this dragon, who will now respond: > On Sun, Apr 14, 2002 at 12:40:22AM +0100, Ian Molton wrote: > > Hi > > > > I'm not familiar with the USB code, but I've been hitting a BUG() with > > my new OHCI card (sorry, it was cheap :( ) > > > > the BUG() is at line 464 in usb-ohci.h, which seems to be a linked-list > > traversal failing to find an entry. > > So your "Subject:" is wrong? Which driver are you having problems with? > usb-ohci.c or usb-uhci.c? yes. sh*t. sorry :-/ its usb-ohci. > What platform are you running this on, x86? yes > What devices do you have plugged in? one alcatel usb speedtouch ADSL modem, using the 'user mode' driver. > What were you doing when the BUG() call happened? surfin' the net ;) it appears to occur randomly - its been fine the whole day today, although less stressed than yesterday. > Are there any kernel log entries before the BUG()? nope. > What is your .config? I can mail it if necessary. > What is the output of /proc/bus/usb/devices with your USB device plugged > in? bash-2.05$ cat /proc/bus/usb/devices T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2 B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0 D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 P: Vendor=0000 ProdID=0000 Rev= 0.00 S: Product=USB OHCI Root Hub S: SerialNumber=c583b000 C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms T: Bus=02 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=ff(vend.) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 P: Vendor=06b9 ProdID=4061 Rev= 0.00 S: Manufacturer=ALCATEL S: Product=Speed Touch USB S: SerialNumber=0090D047C395 C:* #Ifs= 3 Cfg#= 1 Atr=80 MxPwr=500mA I: If#= 0 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=00 Prot=00 Driver=usbdevfs E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=50ms I: If#= 1 Alt= 0 #EPs= 0 Cls=ff(vend.) Sub=00 Prot=00 Driver=usbdevfs I: If#= 1 Alt= 1 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=usbdevfs E: Ad=06(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=07(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=87(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms I: If#= 1 Alt= 2 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=usbdevfs E: Ad=06(O) Atr=02(Bulk) MxPS= 32 Ivl=0ms E: Ad=07(O) Atr=02(Bulk) MxPS= 32 Ivl=0ms E: Ad=87(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms I: If#= 1 Alt= 3 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=usbdevfs E: Ad=06(O) Atr=02(Bulk) MxPS= 16 Ivl=0ms E: Ad=07(O) Atr=02(Bulk) MxPS= 16 Ivl=0ms E: Ad=87(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none) E: Ad=05(O) Atr=02(Bulk) MxPS= 8 Ivl=0ms E: Ad=85(I) Atr=02(Bulk) MxPS= 8 Ivl=0ms T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2 B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0 D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 P: Vendor=0000 ProdID=0000 Rev= 0.00 S: Product=USB OHCI Root Hub S: SerialNumber=c5839000 C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/