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[Oltion Kola <570434@xxxxxxxxxxxxxxxxxx>]

Tested with the latest build. The problem was present in all kernels I
have tested in these 3 years.

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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 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.

  WORKAROUND: When I put only one HD then the system is OK.

  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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