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[Oltion Kola <570434@xxxxxxxxxxxxxxxxxx>]

The situation is much worse now, as the system does not boot at all. It 
hangs at the moment when it recognizes the two disks. Before one of the 
disks was ignored but the system could boot.
So, I'm afraid I can not add debug data unless you let me know what is 
the information you need and how I can find it. Even the new kernel can 
not be tested as the sytem does not boot at all.

Thanks.

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https://bugs.launchpad.net/bugs/570434

Title:
  [Dell Dimension 2400] IRQ conflict with pci sata vt6421 with two hard
  drives

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  My computer hangs when booting because of a irq conflict.
  I have a PCI adapter for SATA drives with sata and usb ports with VT6421 chipset.
  When I put only one HD then the system is OK.
  When I boot up with two HD in the sata ports the system behaves badly. Most of the time it hangs (3 over 4 tries) in the 2 first seconds.
  I have tried the options in the irq debug guide but it does not help.
  Please, let me know if there is something I can do to debug the problem.
  Thanks

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: linux-image-2.6.32-21-generic 2.6.32-21.32
  Regression: No
  Reproducible: Yes
  ProcVersionSignature: Ubuntu 2.6.32-21.32-generic 2.6.32.11+drm33.2
  Uname: Linux 2.6.32-21-generic i686
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  olti       1268 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'I82801DBICH4'/'Intel 82801DB-ICH4 with AD1981B at irq 17'
     Mixer name	: 'Analog Devices AD1981B'
     Components	: 'AC97a:41445374'
     Controls      : 26
     Simple ctrls  : 18
  CurrentDmesg:
   [   18.820236] b44: eth1: Link is up at 100 Mbps, full duplex.
   [   18.820243] b44: eth1: Flow control is off for TX and off for RX.
   [   18.820581] ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
   [   29.816170] eth1: no IPv6 routers present
  Date: Mon Apr 26 23:14:53 2010
  HibernationDevice: RESUME=UUID=78bd97bc-8c7b-48b0-8c87-13780d942f8e
  InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Release Candidate i386 (20100419.1)
  IwConfig:
   lo        no wireless extensions.
   
   eth1      no wireless extensions.
  MachineType: Dell Computer Corporation Dimension 2400
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-21-generic root=UUID=d700ba56-8a55-4228-9d46-07468a334fe0 ro quiet splash
  ProcEnviron:
   LANG=en_US.utf8
   SHELL=/bin/bash
  RelatedPackageVersions: linux-firmware 1.34
  RfKill:
   
  SourcePackage: linux
  dmi.bios.date: 12/02/2003
  dmi.bios.vendor: Dell Computer Corporation
  dmi.bios.version: A05
  dmi.board.name: 0G1548
  dmi.board.vendor: Dell Computer Corp.
  dmi.board.version: A00
  dmi.chassis.type: 15
  dmi.chassis.vendor: Dell Computer Corporation
  dmi.modalias: dmi:bvnDellComputerCorporation:bvrA05:bd12/02/2003:svnDellComputerCorporation:pnDimension2400:pvr:rvnDellComputerCorp.:rn0G1548:rvrA00:cvnDellComputerCorporation:ct15:cvr:
  dmi.product.name: Dimension 2400
  dmi.sys.vendor: Dell Computer Corporation

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