[Bug 526924] [NEW] If i boot without irqpoll system is hang (only if i try forward traffic between eth0 and eth1)

[Badalian Vyacheslav]

Public bug reported:

Hello.

If i boot without irqpoll system work normal, but if system will have traffic from LAN (eth1) to WAN (eth0) - network stack is hang after 1-10 minuts of work. (server not answer to ping and other services)
Its remote server and i can't see logs. Girl in this side can only reboot server by reset.

also i do

root at spb:~# sysctl -a | grep  panic
kernel.panic = 5
kernel.panic_on_oops = 1
kernel.unknown_nmi_panic = 1
kernel.panic_on_unrecovered_nmi = 1
kernel.panic_on_io_nmi = 1
kernel.softlockup_panic = 1
kernel.hung_task_panic = 1
vm.panic_on_oom = 1

and have

root at spb:~# dmesg | grep TCO
[    0.134520] pci 0000:00:1f.0: quirk: region 0400-047f claimed by ICH4 ACPI/GPIO/TCO
[    9.417045] iTCO_vendor_support: vendor-support=0
[    9.420632] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.05
[    9.420741] iTCO_wdt: Found a ICH4 TCO device (Version=1, TCOBASE=0x0460)
[    9.420826] iTCO_wdt: initialized. heartbeat=30 sec (nowayout=0)
  
but server don't reboot automaticly after hung :(

system - Ubuntu Server LTS Server (lasts updates in this time)
kernel 2.6.31-19-generic-pae

if i boot with irqpoll - all work normal.

In system we use
SNAT, DNAT, dnsmasq, softflowd, flow-capture
we try turn off (flow-capture and softflowd) - its not help for us.

P.S. Also have error on boot:
[   10.104909] [drm] fb0: inteldrmfb frame buffer device
[   10.104926] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
[   10.449741] render error detected, EIR: 0x00000010
[   10.449749] [drm:i915_handle_error] *ERROR* EIR stuck: 0x00000010, masking
[   10.449762] render error detected, EIR: 0x00000010
[   10.461317] [drm] DAC-5: set mode 1024x768 15
[   10.467388] Console: switching to colour frame buffer device 128x48

ProblemType: Bug
AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code 2: ls: cannot access /dev/snd/: No such file or directory
AplayDevices: Error: [Errno 2] No such file or directory
Architecture: i386
ArecordDevices: Error: [Errno 2] No such file or directory
Date: Wed Feb 24 12:26:36 2010
DistroRelease: Ubuntu 9.10
Lsusb:
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 001 Device 003: ID 04e8:6761 Samsung Electronics Co., Ltd 
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Package: linux-image-server 2.6.31.19.32
PciMultimedia:
 
ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.31-19-generic-pae root=/dev/mapper/hostname-logs ro irqpoll crashkernel=384M-2G:64M,2G-:128M
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-19.56-generic-pae
SourcePackage: linux-meta
Uname: Linux 2.6.31-19-generic-pae i686
dmi.bios.date: 09/21/2004
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: 6.00 PG
dmi.board.name: i845G-W83627
dmi.chassis.type: 3
dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd09/21/2004:svn:pn:pvr:rvn:rni845G-W83627:rvr:cvn:ct3:cvr:

** Affects: linux-meta (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386

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If i boot without irqpoll system is hang (only if i try forward traffic between eth0 and eth1)
https://bugs.launchpad.net/bugs/526924
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