[Bug 15791] New: linux-image-2.6.12-8-amd64-xeon hangs at hotplug start when booting Dell PowerEdge 2850

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Ubuntu | linux

           Summary: linux-image-2.6.12-8-amd64-xeon hangs at hotplug start
                    when booting Dell PowerEdge 2850
           Product: Ubuntu
           Version: unspecified
          Platform: amd64
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: linux
        AssignedTo: ben.collins at ubuntu.com
        ReportedBy: zds at iki.fi
         QAContact: kernel-bugs at lists.ubuntu.com


Package: linux-image-2.6.12-8-amd64-xeon
Version: 2.6.12-8.13
Severity: important


I have installed Ubuntu Breezy on Dell PowerEdge 2850. With
linux-image-2.6.12-8-amd64-generic it boots fine, but when using
linux-image-2.6.12-8-amd64-xeon, it hangs on boot when initializing
hotplug.

I traced it to /proc/bus/usb/devices. Just saying "cat" is enough to
hang the process (in this case, cat) and it does not die even with kill -9.

I then compiled kernel using -general as a base config and changed it to
be compiled to Intel platform and enabled SMP and hyperthreading - works
fine.

Hardware I am using:
-Dell PowerEdge 2850, no USB external devices
-2 Intel Xeon 3.2G processors
-hardware RAID with 2 Seagate 73G 10krpm disks
-6Gb of memory

-- System Information:
Debian Release: testing/unstable
  APT prefers breezy-updates
  APT policy: (500, 'breezy-updates'), (500, 'breezy-security'), (500,
'breezy')
Architecture: amd64 (x86_64)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.12-8-zds-xeon-smp-20050919b
Locale: LANG=fi_FI.UTF-8, LC_CTYPE=fi_FI.UTF-8 (charmap=UTF-8)

Versions of packages linux-image-2.6.12-8-amd64-xeon depends on:
ii  coreutils [fileutils]  5.2.1-2ubuntu2    The GNU core utilities
ii  initramfs-tools        0.25              tools for generating an
initramfs
ii  module-init-tools      3.2-pre7-0ubuntu3 tools for managing Linux
kernel mo

linux-image-2.6.12-8-amd64-xeon recommends no packages.

-- no debconf information

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