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[Xen-users] terrible problems with Xen on SLES 10.2 / 11


  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: Marcin Krol <mrkafk@xxxxxxxxx>
  • Date: Mon, 01 Jun 2009 14:52:06 +0200
  • Delivery-date: Mon, 01 Jun 2009 05:52:50 -0700
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Hello everyone,

I'm totally new to Xen and trying to run it on some platforms (x86, x64) using SLES (that is what I have to use for reasons other than technical).

Several machines on which I tried using Xen simply fails to run normally using Xen kernel: either network communication is not functioning at all despite proper configuration (that works on non-Xen kernel), or the kernel can't communicate with disks, issuing SCSI bus reset commands in loop (and failing to reset it).

Hardware is mainly made by IBM (xSeries with older Xeon or Opteron CPUs).

While booting Xen kernels on SLES they have following symptoms:

- various FATAL errors while loading modules, like missing xen_vbd or missing xen_vnif

- when booting non-xen kernel, messages in dmesg like:

xen_vnif: Unknown symbol balloon_update_driver_allowance
xen_vnif: Unknown symbol balloon_release_driver_page

I have searched for xen_vbd and xen_vnif modules in /lib/modules and they're simply not there! Are they 'internal' modules loaded by another module file? Or are they regular modules and they should be normally located as .ko files in /lib/modules/? I can't tell because I couldn't get ANY xen kernel to function correctly.

Kernel config is as follows:

title Xen -- SUSE Linux Enterprise Server 11 - 2.6.27.19-5
    root (hd0,0)
    kernel /boot/xen.gz acpi=off noapic
module /boot/vmlinuz-2.6.27.19-5-xen root=/dev/disk/by-id/scsi-SIBM-ESXSST336753LC_F3HX25YV80000743
8FXG9-part1 console=tty0 resume=/dev/sda2 splash=silent showopts
    module /boot/initrd-2.6.27.19-5-xen

I have following xen packages installed (on SLES 11 x64):

xen-3.3.1_18546_12-3.1
enic-kmp-xen-0.0.1_2.6.27.19_5-10.6
oracleasm-kmp-xen-2.0.5_2.6.27.19_5-7.6
xen-doc-pdf-3.3.1_18546_12-3.1
iscsitarget-kmp-xen-0.4.15_2.6.27.19_5-94.6
ext4dev-kmp-xen-0_2.6.27.19_5-7.6
xen-doc-html-3.3.1_18546_12-3.1
xen-libs-3.3.1_18546_12-3.1
xen-kmp-default-3.3.1_18546_12_2.6.27.19_5-3.1
brocade-bfa-kmp-xen-1.1.0.2_2.6.27.19_5-6.6
xen-tools-3.3.1_18546_12-3.1
kernel-xen-2.6.27.19-5.1
kernel-xen-base-2.6.27.19-5.1
fnic-kmp-xen-1.0.0_2.6.27.19_5-9.11
xen-tools-domU-3.3.1_18546_12-3.1




Please help, I'm at dead end with this.

Regards,
mk


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