From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755570Ab0AVAJH (ORCPT ); Thu, 21 Jan 2010 19:09:07 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755557Ab0AVAJF (ORCPT ); Thu, 21 Jan 2010 19:09:05 -0500 Received: from smtp1.linux-foundation.org ([140.211.169.13]:46545 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755415Ab0AVAJD (ORCPT ); Thu, 21 Jan 2010 19:09:03 -0500 Date: Thu, 21 Jan 2010 16:08:53 -0800 From: Andrew Morton To: Udo van den Heuvel Cc: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, Oliver Neukum Subject: Re: WARNING: at net/sched/sch_generic.c:261 dev_watchdog+0x21a/0x230() Message-Id: <20100121160853.bdcd33a1.akpm@linux-foundation.org> In-Reply-To: <4B488F90.2010101@xs4all.nl> References: <4B488F90.2010101@xs4all.nl> X-Mailer: Sylpheed 2.4.8 (GTK+ 2.12.9; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org (cc's added) On Sat, 09 Jan 2010 15:15:44 +0100 Udo van den Heuvel wrote: > > Hello, > > I just powered up my H2210 Ipaq PDA and the kernel on the workstation it > was attached to mentioned: Looks like the USB CDC driver has problems in that 2.6.32.x kernel. > IPv6 addrconf: prefix with wrong length 48 > IPv6 addrconf: prefix with wrong length 48 > IPv6 addrconf: prefix with wrong length 48 > IPv6 addrconf: prefix with wrong length 48 > IPv6 addrconf: prefix with wrong length 48 > usb 3-1: new full speed USB device using ohci_hcd and address 2 > usb 3-1: New USB device found, idVendor=049f, idProduct=505a > usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 > usb 3-1: Product: Ethernet Gadget > usb 3-1: Manufacturer: Linux 2.6.15-hh1/pxa2xx_udc > usb 3-1: configuration #1 chosen from 1 choice > usb0: register 'cdc_subset' at usb-0000:00:12.1-1, Linux Device, > 9e:b5:6f:2c:07:4c > usb 3-1: USB disconnect, address 2 > usb0: unregister 'cdc_subset' usb-0000:00:12.1-1, Linux Device > usb 3-1: new full speed USB device using ohci_hcd and address 3 > usb 3-1: New USB device found, idVendor=0525, idProduct=a4a2 > usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 > usb 3-1: Product: RNDIS/Ethernet Gadget > usb 3-1: Manufacturer: Linux 2.6.21-hh20/pxa2xx_udc > usb 3-1: configuration #1 chosen from 2 choices > usb0: register 'cdc_subset' at usb-0000:00:12.1-1, Linux Device, > 9e:b5:6f:2c:07:4c > usb0: no IPv6 routers present > ata7: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xe frozen > ata7: irq_stat 0x00a00080, device exchanged > ata7: hard resetting link > usb 2-6: new high speed USB device using ehci_hcd and address 5 > usb 2-6: New USB device found, idVendor=05e3, idProduct=0608 > usb 2-6: New USB device strings: Mfr=0, Product=1, SerialNumber=0 > usb 2-6: Product: USB2.0 Hub > usb 2-6: configuration #1 chosen from 1 choice > hub 2-6:1.0: USB hub found > hub 2-6:1.0: 4 ports detected > usb 2-6.4: new high speed USB device using ehci_hcd and address 6 > usb 2-6.4: New USB device found, idVendor=05e3, idProduct=0723 > usb 2-6.4: New USB device strings: Mfr=3, Product=4, SerialNumber=2 > usb 2-6.4: Product: USB Storage > usb 2-6.4: Manufacturer: Generic > usb 2-6.4: SerialNumber: 000000009451 > usb 2-6.4: configuration #1 chosen from 1 choice > Initializing USB Mass Storage driver... > scsi9 : SCSI emulation for USB Mass Storage devices > usb-storage: device found at 6 > usb-storage: waiting for device to settle before scanning > usbcore: registered new interface driver usb-storage > USB Mass Storage support registered. > ------------[ cut here ]------------ > WARNING: at net/sched/sch_generic.c:261 dev_watchdog+0x21a/0x230() > Hardware name: > NETDEV WATCHDOG: usb0 (cdc_subset): transmit queue 0 timed out > Modules linked in: usb_storage hid_sunplus usbhid radeon ttm > drm_kms_helper drm fb i2c_algo_bit cfbcopyarea cfbimgblt cfbfillrect > rfcomm sco bridge stp llc bnep l2cap nfsd nfs_acl auth_rpcgss exportfs > it87 hwmon_vid lockd sunrpc ipt_REJECT iptable_filter ipt_MASQUERADE > iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables > nf_conntrack_netbios_ns ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 xt_state > nf_conntrack ip6table_filter ip6_tables x_tables ipv6 powernow_k8 > binfmt_misc pwc videodev v4l1_compat v4l2_compat_ioctl32 btusb bluetooth > usblp dm_mirror dm_region_hash dm_log snd_hda_codec_atihdmi > snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_seq snd_seq_device > snd_pcm snd_timer snd ohci1394 sr_mod ppdev ehci_hcd sg ieee1394 > parport_pc snd_page_alloc parport ohci_hcd evdev cdrom i2c_piix4 k10temp > button pata_atiixp sata_sil24 floppy [last unloaded: scsi_wait_scan] > Pid: 0, comm: swapper Not tainted 2.6.32.2 #4 > Call Trace: > [] ? warn_slowpath_common+0x73/0xb0 > [] ? walk_tg_tree+0x8e/0xc0 > [] ? warn_slowpath_fmt+0x40/0x50 > [] ? strlcpy+0x41/0x50 > [] ? dev_watchdog+0x21a/0x230 > [] ? __wake_up+0x3c/0x60 > [] ? _spin_unlock_irqrestore+0x12/0x40 > [] ? dev_watchdog+0x0/0x230 > [] ? run_timer_softirq+0x162/0x260 > [] ? ktime_get+0x5b/0xe0 > [] ? __do_softirq+0xb4/0x140 > [] ? call_softirq+0x1c/0x30 > [] ? do_softirq+0x4d/0x80 > [] ? irq_exit+0x85/0x90 > [] ? smp_apic_timer_interrupt+0x6b/0xa0 > [] ? apic_timer_interrupt+0x13/0x20 > [] ? default_idle+0x20/0x40 > [] ? c1e_idle+0x7b/0x100 > [] ? cpu_idle+0x56/0xc0 > ---[ end trace c9c0cf5c72497ec6 ]--- > > > This is on Fedora 12 x86_64 with a kernel.org 2.6.32.2... >