Network "freeze/lost"

From: serge
Date: Thu Jun 28 2007 - 11:02:59 EST

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Hello everybody.

First of all, excus emy (poor) english, i'm french.

I have a big trouble with several server, web server. They are debian sarge based.

Program that run on it are principally Apache2, PHP5, Zend cluster with session management, Postfix and NFS client

Theses servers work well and, suddendly, one of them lost network.

Let me describe when i say "lost network":
- The server doesn't answer to a ping, all network application on it doesn't anwer too
- The server can't ping another server, or make another network connection
- The server loose NFS communication with the NFS server
- On the console, if i type ifconfig i see the interface configured with it's own IP
- On the console if i launch iptraf i only see icmp host unrechable message
- On the console if i type "mii-tool" it say that link is 100FX negociated and link is UP
- The only way i have found to solve the trouble is to launch "/etc/init.d/network restart". the network come back.
- When the server "lost" network, i don't have any message even with debug activated on kernel
- When i restart network, i have these kernel message (seems to be "normal"):

92554.221511] PM: Writing back config space on device 0000:02:02.0 at offset b (was 164814e4, writing d00e11)
[492554.221528] PM: Writing back config space on device 0000:02:02.0 at offset 3 (was 804000, writing 804010)
[492554.221534] PM: Writing back config space on device 0000:02:02.0 at offset 2 (was 2000000, writing 2000010)
[492554.221540] PM: Writing back config space on device 0000:02:02.0 at offset 1 (was 2b00000, writing 2b00146)
[492554.525866] PM: Writing back config space on device 0000:02:02.0 at offset b (was 164814e4, writing d00e11)
[492554.525883] PM: Writing back config space on device 0000:02:02.0 at offset 3 (was 804000, writing 804010)
[492554.525889] PM: Writing back config space on device 0000:02:02.0 at offset 2 (was 2000000, writing 2000010)
[492554.525895] PM: Writing back config space on device 0000:02:02.0 at offset 1 (was 2b00000, writing 2b00146)
[492556.321312] tg3: eth0: Link is up at 100 Mbps, full duplex.
[492556.321334] tg3: eth0: Flow control is on for TX and on for RX.

- Theses server are IP statics (not DHCP client).
- This is not cable or switch trouble (servers are on different switch)
- They are kernel 2.6.19.3, but we have the same trouble with other kernel like 2.6.17.1

I attach you some information about server, like lspci -vvv, config.gz.

Thanks for reading me and for your help.

--
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0000:00:00.0 Host bridge: Intel Corp. Server Memory Controller Hub (rev 0c)
Subsystem: Compaq Computer Corporation: Unknown device 3200
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Capabilities: [40] #09 [4105]

0000:00:02.0 PCI bridge: Intel Corp. Memory Controller Hub PCI Express Port A0 (rev 0c) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0, Cache Line Size: 0x10 (64 bytes)
Bus: primary=00, secondary=0d, subordinate=0f, sec-latency=0
I/O behind bridge: 0000f000-00000fff
Memory behind bridge: fff00000-000fffff
Prefetchable memory behind bridge: 00000000fff00000-0000000000000000
BridgeCtl: Parity+ SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
Capabilities: [50] Power Management version 2
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [58] Message Signalled Interrupts: 64bit- Queue=0/1 Enable-
Address: fee00000 Data: 0000
Capabilities: [64] #10 [0041]

0000:00:04.0 PCI bridge: Intel Corp. Memory Controller Hub PCI Express Port B0 (rev 0c) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0, Cache Line Size: 0x10 (64 bytes)
Bus: primary=00, secondary=06, subordinate=0c, sec-latency=0
I/O behind bridge: 0000f000-00000fff
Memory behind bridge: fff00000-000fffff
Prefetchable memory behind bridge: 00000000fff00000-0000000000000000
BridgeCtl: Parity+ SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
Capabilities: [50] Power Management version 2
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [58] Message Signalled Interrupts: 64bit- Queue=0/1 Enable-
Address: fee00000 Data: 0000
Capabilities: [64] #10 [0041]

0000:00:06.0 PCI bridge: Intel Corp. Memory Controller Hub PCI Express Port C0 (rev 0c) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0, Cache Line Size: 0x10 (64 bytes)
Bus: primary=00, secondary=03, subordinate=05, sec-latency=0
I/O behind bridge: 0000f000-00000fff
Memory behind bridge: fff00000-000fffff
Prefetchable memory behind bridge: 00000000fff00000-0000000000000000
BridgeCtl: Parity+ SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
Capabilities: [50] Power Management version 2
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [58] Message Signalled Interrupts: 64bit- Queue=0/1 Enable-
Address: fee00000 Data: 0000
Capabilities: [64] #10 [0041]

0000:00:1c.0 PCI bridge: Intel Corp. 6300ESB 64-bit PCI-X Bridge (rev 02) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64, Cache Line Size: 0x10 (64 bytes)
Bus: primary=00, secondary=02, subordinate=02, sec-latency=64
I/O behind bridge: 00004000-00004fff
Memory behind bridge: fdf00000-fdffffff
Prefetchable memory behind bridge: 00000000e2000000-00000000e2000000
BridgeCtl: Parity+ SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
Capabilities: [50] PCI-X bridge device.
Secondary Status: 64bit+, 133MHz-, SCD-, USC-, SCO-, SRD- Freq=1
Status: Bus=0 Dev=28 Func=0 64bit+ 133MHz- SCD- USC-, SCO-, SRD-
: Upstream: Capacity=65535, Commitment Limit=0
: Downstream: Capacity=65535, Commitment Limit=0

0000:00:1d.0 USB Controller: Intel Corp. 6300ESB USB Universal Host Controller (rev 02) (prog-if 00 [UHCI])
Subsystem: Compaq Computer Corporation: Unknown device 3201
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin A routed to IRQ 16
Region 4: I/O ports at 5000 [size=32]

0000:00:1d.1 USB Controller: Intel Corp. 6300ESB USB Universal Host Controller (rev 02) (prog-if 00 [UHCI])
Subsystem: Compaq Computer Corporation: Unknown device 3201
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin B routed to IRQ 19
Region 4: I/O ports at 5020 [size=32]

0000:00:1d.4 System peripheral: Intel Corp. 6300ESB Watchdog Timer (rev 02)
Subsystem: Compaq Computer Corporation: Unknown device 3201
Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Region 0: Memory at fbef0000 (32-bit, non-prefetchable) [size=16]

0000:00:1d.5 PIC: Intel Corp. 6300ESB I/O Advanced Programmable Interrupt Controller (rev 02) (prog-if 20 [IO(X)-APIC])
Subsystem: Compaq Computer Corporation: Unknown device 3201
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Capabilities: [50] PCI-X non-bridge device.
Command: DPERE- ERO- RBC=0 OST=0
Status: Bus=0 Dev=29 Func=5 64bit+ 133MHz- SCD- USC-, DC=simple, DMMRBC=0, DMOST=0, DMCRS=0, RSCEM-

0000:00:1d.7 USB Controller: Intel Corp. 6300ESB USB2 Enhanced Host Controller (rev 02) (prog-if 20 [EHCI])
Subsystem: Compaq Computer Corporation: Unknown device 3201
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin D routed to IRQ 23
Region 0: Memory at fbee0000 (32-bit, non-prefetchable) [size=1K]
Capabilities: [50] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [58] #0a [2080]

0000:00:1e.0 PCI bridge: Intel Corp. 82801 PCI Bridge (rev 0a) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Bus: primary=00, secondary=01, subordinate=01, sec-latency=32
I/O behind bridge: 00001000-00003fff
Memory behind bridge: fbf00000-fcffffff
Prefetchable memory behind bridge: e2100000-e21fffff
BridgeCtl: Parity+ SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-

0000:00:1f.0 ISA bridge: Intel Corp. 6300ESB LPC Interface Controller (rev 02)
Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0

0000:00:1f.1 IDE interface: Intel Corp. 6300ESB PATA Storage Controller (rev 02) (prog-if 8a [Master SecP PriP])
Subsystem: Compaq Computer Corporation: Unknown device 3201
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin A routed to IRQ 18
Region 0: I/O ports at <ignored>
Region 1: I/O ports at <ignored>
Region 2: I/O ports at <ignored>
Region 3: I/O ports at <ignored>
Region 4: I/O ports at 0500 [size=16]
Region 5: Memory at e2200000 (32-bit, non-prefetchable) [size=1K]

0000:01:03.0 VGA compatible controller: ATI Technologies Inc Rage XL (rev 27) (prog-if 00 [VGA])
Subsystem: Compaq Computer Corporation: Unknown device 001e
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping+ SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64 (2000ns min), Cache Line Size: 0x10 (64 bytes)
Region 0: Memory at fc000000 (32-bit, non-prefetchable) [size=16M]
Region 1: I/O ports at 3000 [size=256]
Region 2: Memory at fbff0000 (32-bit, non-prefetchable) [size=4K]
Expansion ROM at e2100000 [disabled] [size=128K]
Capabilities: [5c] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

0000:01:04.0 System peripheral: Compaq Computer Corporation Integrated Lights Out Controller (rev 01)
Subsystem: Compaq Computer Corporation: Unknown device b206
Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Interrupt: pin A routed to IRQ 21
Region 0: I/O ports at 1800 [size=256]
Region 1: Memory at fbfe0000 (32-bit, non-prefetchable) [size=512]
Capabilities: [f0] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

0000:01:04.2 System peripheral: Compaq Computer Corporation Integrated Lights Out Processor (rev 01)
Subsystem: Compaq Computer Corporation: Unknown device b206
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping+ SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64, Cache Line Size: 0x10 (64 bytes)
Interrupt: pin B routed to IRQ 22
Region 0: I/O ports at 3400 [size=256]
Region 1: Memory at fbfd0000 (32-bit, non-prefetchable) [size=2K]
Region 2: Memory at fbfc0000 (32-bit, non-prefetchable) [size=8K]
Region 3: Memory at fbf00000 (32-bit, non-prefetchable) [size=512K]
Expansion ROM at e2120000 [disabled] [size=64K]
Capabilities: [f0] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable+ DSel=0 DScale=0 PME-

0000:02:01.0 RAID bus controller: Compaq Computer Corporation Smart Array 64xx (rev 01)
Subsystem: Compaq Computer Corporation: Unknown device 4091
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr+ Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64, Cache Line Size: 0x10 (64 bytes)
Interrupt: pin A routed to IRQ 24
Region 0: Memory at fdff0000 (64-bit, non-prefetchable) [size=8K]
Region 2: I/O ports at 4000 [size=256]
Region 3: Memory at fdf80000 (64-bit, non-prefetchable) [size=256K]
Expansion ROM at e2000000 [disabled] [size=256K]
Capabilities: [d0] Power Management version 2
Flags: PMEClk- DSI- D1+ D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [dc] PCI-X non-bridge device.
Command: DPERE- ERO+ RBC=0 OST=4
Status: Bus=2 Dev=1 Func=0 64bit+ 133MHz+ SCD- USC-, DC=simple, DMMRBC=2, DMOST=4, DMCRS=2, RSCEM-
Capabilities: [f0] Vital Product Data

0000:02:02.0 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-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64 (16000ns min), Cache Line Size: 0x10 (64 bytes)
Interrupt: pin A routed to IRQ 25
Region 0: Memory at fdf70000 (64-bit, non-prefetchable) [size=64K]
Capabilities: [40] 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: 64bit+ Queue=0/3 Enable-
Address: 7afffd25fbf79f6c Data: 7fdc

0000:02:02.1 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-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64 (16000ns min), Cache Line Size: 0x10 (64 bytes)
Interrupt: pin B routed to IRQ 26
Region 0: Memory at fdf60000 (64-bit, non-prefetchable) [size=64K]
Capabilities: [40] 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: 64bit+ Queue=0/3 Enable-
Address: 0408d1a0bbaf2020 Data: 8c80

0000:06:00.0 PCI bridge: Intel Corp. PCI Bridge Hub A (rev 09) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0, Cache Line Size: 0x10 (64 bytes)
Bus: primary=06, secondary=07, subordinate=09, sec-latency=64
I/O behind bridge: 0000f000-00000fff
Memory behind bridge: fff00000-000fffff
Prefetchable memory behind bridge: 00000000fff00000-0000000000000000
BridgeCtl: Parity+ SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
Capabilities: [44] #10 [0071]
Capabilities: [5c] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable-
Address: 0000000000000000 Data: 0000
Capabilities: [6c] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [d8]
0000:06:00.2 PCI bridge: Intel Corp. PCI Bridge Hub B (rev 09) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0, Cache Line Size: 0x10 (64 bytes)
Bus: primary=06, secondary=0a, subordinate=0c, sec-latency=64
I/O behind bridge: 0000f000-00000fff
Memory behind bridge: fff00000-000fffff
Prefetchable memory behind bridge: 00000000fff00000-0000000000000000
BridgeCtl: Parity+ SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
Capabilities: [44] #10 [0071]
Capabilities: [5c] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable-
Address: 0000000000000000 Data: 0000
Capabilities: [6c] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [d8]

Attachment: config.gz
Description: application/gzip

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