Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755754AbYFFKQA (ORCPT ); Fri, 6 Jun 2008 06:16:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753853AbYFFKPu (ORCPT ); Fri, 6 Jun 2008 06:15:50 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:54468 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753832AbYFFKPt (ORCPT ); Fri, 6 Jun 2008 06:15:49 -0400 Date: Fri, 6 Jun 2008 03:15:11 -0700 From: Andrew Morton To: c4p7n1@capitanio.org Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: Re: [BUG or cosmic ray] WARNING: at net/sched/sch_generic.c:222 dev_watchdog+0xe8/0x100() Message-Id: <20080606031511.8f83359c.akpm@linux-foundation.org> In-Reply-To: <200806050727.m557RaIH007153@post.webmailer.de> References: <200806050727.m557RaIH007153@post.webmailer.de> X-Mailer: Sylpheed 2.4.8 (GTK+ 2.12.5; x86_64-redhat-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 Content-Length: 6305 Lines: 115 (cc netdev) On Thu, 5 Jun 2008 09:27:36 +0200 (MEST) c4p7n1@capitanio.org wrote: > I've got this on rc3. It's _not_ reproducible even on heavy load. > After that the Ethernet PCIe chip went into a borken state until next reboot. > > [ 46.316926] r8169: eth0: link up > [ 48.901435] [drm] Initialized drm 1.1.0 20060810 > [ 48.904771] PCI: Setting latency timer of device 0000:00:02.0 to 64 > [ 48.908103] [drm] Initialized i915 1.6.0 20060119 on minor 0 > [ 49.544674] NET: Registered protocol family 17 > [ 125.004020] NETDEV WATCHDOG: eth0: transmit timed out > [ 125.004043] ------------[ cut here ]------------ > [ 125.004049] WARNING: at net/sched/sch_generic.c:222 dev_watchdog+0xe8/0x100() > [ 125.004053] Modules linked in: af_packet i915 drm rfcomm l2cap bluetooth acpi_cpufreq cpufreq_powersave cpufreq_stats cpufreq_userspace cpufreq_conservative wmi sbs sbshc iptable_filter ip_tables x_tables fuse usbhid hid joydev snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_page_alloc snd_hwdep snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq video psmouse output snd_timer snd_seq_device snd r8169 backlight evdev soundcore uhci_hcd ehci_hcd iTCO_wdt iTCO_vendor_support usbcore > [ 125.004143] Pid: 0, comm: swapper Not tainted 2.6.26-rc3c4p7n1-00308-g75d3bce #1 > [ 125.004153] [] warn_on_slowpath+0x5f/0x90 > [ 125.004168] [] autoremove_wake_function+0x0/0x40 > [ 125.004179] [] __wake_up_common+0x4b/0x80 > [ 125.004192] [] __wake_up+0x3e/0x60 > [ 125.004201] [] wake_up_klogd+0x3b/0x40 > [ 125.004209] [] vprintk+0x346/0x3b0 > [ 125.004221] [] lock_timer_base+0x27/0x60 > [ 125.004230] [] delayed_work_timer_fn+0x0/0x20 > [ 125.004238] [] __mod_timer+0x9d/0xb0 > [ 125.004248] [] queue_delayed_work_on+0x84/0xc0 > [ 125.004258] [] dev_watchdog+0xe8/0x100 > [ 125.004267] [] run_timer_softirq+0x15e/0x1d0 > [ 125.004274] [] dev_watchdog+0x0/0x100 > [ 125.004282] [] tick_handle_oneshot_broadcast+0x100/0x120 > [ 125.004292] [] dev_watchdog+0x0/0x100 > [ 125.004302] [] __do_softirq+0x63/0xc0 > [ 125.004310] [] do_softirq+0x37/0x40 > [ 125.004317] [] irq_exit+0x68/0x80 > [ 125.004323] [] do_IRQ+0x40/0x70 > [ 125.004333] [] common_interrupt+0x23/0x28 > [ 125.004344] [] prepare_signal+0x28/0x170 > [ 125.004352] [] acpi_idle_enter_bm+0x28c/0x2f6 > [ 125.004365] [] cpuidle_idle_call+0x7b/0xc0 > [ 125.004373] [] cpuidle_idle_call+0x0/0xc0 > [ 125.004381] [] cpu_idle+0x5a/0xe0 > [ 125.004395] ======================= > [ 125.004399] ---[ end trace b7a56030e016660f ]--- > [ 125.682725] r8169: eth0: link up > ... > [ 1337.654531] NETDEV WATCHDOG: eth0: transmit timed out > [ 1338.333962] r8169: eth0: link up > > ... > > rmmod r8169 && modprobe r8169 > > [ 1504.171195] ACPI: PCI interrupt for device 0000:02:00.0 disabled > [ 1515.491199] r8169 Gigabit Ethernet driver 2.2LK-NAPI loaded > [ 1515.491285] ACPI: PCI Interrupt 0000:02:00.0[A] -> GSI 16 (level, low) -> IRQ 16 > [ 1515.494466] PCI: cache line size of 32 is not supported by device 0000:02:00.0 > [ 1515.494539] ACPI: PCI interrupt for device 0000:02:00.0 disabled > [ 1515.495561] r8169: probe of 0000:02:00.0 failed with error -22 > > lspci > 02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101E PCI Express Fast Ethernet controller [10ec:8136] (rev ff) (prog-if ff) > !!! Unknown header type 7f > > ------------------- > > after a reboot: > > [ 833.345672] r8169: eth0: link up > [ 835.599177] NET: Registered protocol family 17 > ... > [ 1355.282122] r8169: eth0: link down > [ 1381.528391] r8169: eth0: link up > ... > > 02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101E PCI Express Fast Ethernet controller [10ec:8136] (rev 02) > Subsystem: Toshiba America Info Systems Unknown device [1179:ff64] > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- > Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- Latency: 0, Cache Line Size: 32 bytes > Interrupt: pin A routed to IRQ 220 > Region 0: I/O ports at 3000 [size=256] > Region 2: Memory at 90010000 (64-bit, prefetchable) [size=4K] > Region 4: Memory at 90000000 (64-bit, prefetchable) [size=64K] > Capabilities: [40] Power Management version 7 > Flags: PMEClk- DSI+ D1+ D2- AuxCurrent=375mA PME(D0-,D1-,D2-,D3hot+,D3cold+) > Status: D0 PME-Enable- DSel=0 DScale=0 PME- > Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable+ > Address: 00000000fee0300c Data: 41e9 > Capabilities: [70] Express Endpoint IRQ 1 > Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag- > Device: Latency L0s <512ns, L1 <64us > Device: AtnBtn- AtnInd- PwrInd- > Device: Errors: Correctable- Non-Fatal- Fatal- Unsupported- > Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop- > Device: MaxPayload 128 bytes, MaxReadReq 512 bytes > Link: Supported Speed 2.5Gb/s, Width x1, ASPM L0s L1, Port 0 > Link: Latency L0s <512ns, L1 <64us > Link: ASPM L1 Enabled RCB 64 bytes CommClk+ ExtSynch- > Link: Speed 2.5Gb/s, Width x1 > Capabilities: [ac] MSI-X: Enable- Mask- TabSize=2 > Vector table: BAR=4 offset=00000000 > PBA: BAR=4 offset=00000800 > Capabilities: [cc] Vital Product Data > Capabilities: [100] Advanced Error Reporting > Capabilities: [140] Virtual Channel > Capabilities: [160] Device Serial Number 00-00-ff-ff-00-00-00-08 > > -- 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/