From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: [Bugme-new] [Bug 9990] New: tg3: eth0: The system may be re-ordering memory-mapped I/O cycles Date: Thu, 14 Feb 2008 10:24:25 -0800 Message-ID: <20080214102425.0fc8e3c1.akpm@linux-foundation.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: bugme-daemon@bugzilla.kernel.org, netdev@vger.kernel.org, ralf.hildebrandt@charite.de To: Matt Carlson , Michael Chan Return-path: Received: from smtp2.linux-foundation.org ([207.189.120.14]:44634 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754019AbYBNSZE (ORCPT ); Thu, 14 Feb 2008 13:25:04 -0500 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: On Thu, 14 Feb 2008 01:59:12 -0800 (PST) bugme-daemon@bugzilla.kernel.org wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=9990 > > Summary: tg3: eth0: The system may be re-ordering memory-mapped > I/O cycles > Product: Drivers > Version: 2.5 > KernelVersion: 2.6.24-git18 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: Network > AssignedTo: jgarzik@pobox.com > ReportedBy: ralf.hildebrandt@charite.de > > > Latest working kernel version: 2.6.24 > Earliest failing kernel version: 2.6.24-git18 > Distribution: Debian/testing > Hardware Environment: > Software Environment: > Problem Description: > > Feb 11 13:11:52 www kernel: [ 12.015569] tg3: eth0: Link is up at 100 Mbps, > full duplex. > Feb 11 13:11:52 www kernel: [ 12.015633] tg3: eth0: Flow control is on for TX > and on for RX. > Feb 11 13:33:44 www kernel: [ 1328.538204] tg3: eth0: The system may be > re-ordering memory-mapped I/O cycles to the network > device, attempting to recover. Please report the problem to the driver > maintainer and include system chipset information. > Feb 11 13:33:44 www kernel: [ 1328.667255] tg3: eth0: Link is down. > Feb 11 13:33:46 www kernel: [ 1330.560734] tg3: eth0: Link is up at 100 Mbps, > full duplex. > Feb 11 13:33:46 www kernel: [ 1330.560734] tg3: eth0: Flow control is on for TX > and on for RX. > > After that, the machine rebooted (panic?) > > Feb 11 13:35:14 www kernel: klogd 1.5.0#1.1, log source = /proc/kmsg started. > > lspci -vvv info: > 02:02.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5704 Gigabit > Ethernet (rev 10) > Subsystem: Compaq Computer Corporation NC7782 Gigabit Server Adapter > (PCI-X, 10,100,1000-T) > Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ > Stepping- SERR+ FastB2B- DisINTx- > Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- > SERR- Latency: 64 (16000ns min), Cache Line Size: 64 bytes > Interrupt: pin A routed to IRQ 19 > Region 0: Memory at fdf70000 (64-bit, non-prefetchable) [size=64K] > [virtual] Expansion ROM at 88140000 [disabled] [size=64K] > Capabilities: [40] PCI-X non-bridge device > Command: DPERE- ERO- RBC=2048 OST=1 > Status: Dev=02:02.0 64bit+ 133MHz+ SCD- USC- DC=simple > DMMRBC=2048 DMOST=1 DMCRS=16 RSCEM- 266MHz- 533MHz- > Capabilities: [48] Power Management version 2 > Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA > PME(D0-,D1-,D2-,D3hot+,D3cold+) > Status: D0 PME-Enable+ DSel=0 DScale=1 PME- > Capabilities: [50] Vital Product Data > Capabilities: [58] Message Signalled Interrupts: Mask- 64bit+ Queue=0/3 > Enable- > Address: fd7ffd6fdf7deeb8 Data: bdfd > Kernel driver in use: tg3 > Kernel modules: tg3 > > 02:02.1 Ethernet controller: Broadcom Corporation NetXtreme BCM5704 Gigabit > Ethernet (rev 10) > Subsystem: Compaq Computer Corporation NC7782 Gigabit Server Adapter > (PCI-X, 10,100,1000-T) > Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ > Stepping- SERR+ FastB2B- DisINTx- > Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- > SERR- Latency: 64 (16000ns min), Cache Line Size: 64 bytes > Interrupt: pin B routed to IRQ 20 > Region 0: Memory at fdf60000 (64-bit, non-prefetchable) [size=64K] > Capabilities: [40] PCI-X non-bridge device > Command: DPERE- ERO+ RBC=512 OST=1 > Status: Dev=02:02.1 64bit+ 133MHz+ SCD- USC- DC=simple > DMMRBC=2048 DMOST=1 DMCRS=16 RSCEM- 266MHz- 533MHz- > Capabilities: [48] Power Management version 2 > Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA > PME(D0-,D1-,D2-,D3hot+,D3cold+) > Status: D0 PME-Enable- DSel=0 DScale=1 PME- > Capabilities: [50] Vital Product Data > Capabilities: [58] Message Signalled Interrupts: Mask- 64bit+ Queue=0/3 > Enable- > Address: f73feeefffffe7f8 Data: 9bcd > Kernel driver in use: tg3 > Kernel modules: tg3 > > > Steps to reproduce: > >