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Bug#603432: linux-image-2.6.32-5-amd64 hangs when booted as VM under Xen



Package: linux-image-2.6.32-5-amd64
Version: 2.6.32-27
Severity: important


Hi.

I have a virtualised server rented at some ISP, which uses Xen for virtualisation.

The setup is rather simple:
- running sid
- using lvm
- root-fs is on a LV using ext4
- CPU is 64 bit

When ever I booted an -amd64 kernel, the system hanged (see attached screenshort for the
place where it hanged), regardless of whether the userspace was i386 or amd64.
The 32 bit kernels (e.g. -486) worked however without any problems.

After many hours of trying, I (with the help of my ISP) found out that the problem seems
to be solved in at least the 2.6.36-amd64 kernels from experimental.

The ISP runs the following configuration:
-Xen-Kernel: 2.6.27.42-0.1.1.xs5.6.0.44.111158xen
-CPUs: 2x Intel Xeon E5520

The've also confirmed me that they successfully booted a Debian 5.0.6 with 2.6.26-2-amd64.
So the problem must have been introduced in the meantime.


Given the fact, that 2.6.32 is for squeeze, and that Xen is rather common, this might even
qualify for being rc.

If you need any further help or so, please ask. My great ISP (Star-Hosting) is very
cooperative and they'll probably give me a test system for some time, if we need it.


Cheers,
Chris.


-- System Information:
Debian Release: squeeze/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.36-heisenberg (SMP w/2 CPU cores; PREEMPT)
Locale: LANG=en_DE.utf8, LC_CTYPE=en_DE.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages linux-image-2.6.32-5-amd64 depends on:
ii  debconf [debconf-2.0]         1.5.36     Debian configuration management sy
ii  initramfs-tools [linux-initra 0.98.5     tools for generating an initramfs
pn  linux-base                    <none>     (no description available)
ii  module-init-tools             3.12-1     tools for managing Linux kernel mo

Versions of packages linux-image-2.6.32-5-amd64 recommends:
ii  firmware-linux-f 2.6.36-1~experimental.1 Binary firmware for various driver

Versions of packages linux-image-2.6.32-5-amd64 suggests:
pn  grub | lilo                   <none>     (no description available)
pn  linux-doc-2.6.32              <none>     (no description available)

Attachment: screen.png
Description: PNG image


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