Re: SOLVED! Xen HVM domU won't start since updates to 2.6.18-164.15.1 kernels

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On 03/30/2010 07:33 AM, Sergio Charpinel Jr. wrote:
Aaron,

Seems to be something related to your block device.

Try this config file:

Sergio,

I just tried this config and it booted fine:
name = "Belldandy"
maxmem = 256
memory = 256
vcpus = 1
builder = "hvm"
kernel = "/usr/lib/xen/boot/hvmloader"
boot = "c"
pae = 1
on_poweroff = "destroy"
on_reboot = "restart"
on_crash = "restart"
device_model = "/usr/lib64/xen/bin/qemu-dm"
disk = [ "phy:/dev/SystemsVG/Belldandy,hda,w" ]
vif = [ "mac=00:16:3e:29:65:46,bridge=xenbr0,script=vif-bridge" ]
vnc = 1

Attached is the generated virsh xml from the above.

I'm going to tinker with this for a bit to try and figure out what difference from the previous config is actually the cause of the issue. I just had the other, formerly working VM, bail with the same symptoms once I got this one work. The workaround is nice but I definitely want to isolate this bug now.

Thanks everyone for all the help!

Aaron
--
"The goblins are in charge of maintenance? Why not just set it on fire now and call it a day?"
--Whip Tongue, Viashino Technician
<domain type='xen' id='11'>
  <name>Belldandy</name>
  <uuid>c2f3b2f7-5c13-d14e-ba9f-13a8c903e3ec</uuid>
  <memory>262144</memory>
  <currentMemory>262144</currentMemory>
  <vcpu>1</vcpu>
  <os>
    <type>hvm</type>
    <loader>/usr/lib/xen/boot/hvmloader</loader>
    <boot dev='hd'/>
  </os>
  <features>
    <pae/>
  </features>
  <clock offset='utc'/>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>restart</on_crash>
  <devices>
    <emulator>/usr/lib64/xen/bin/qemu-dm</emulator>
    <disk type='block' device='disk'>
      <driver name='phy'/>
      <source dev='/dev/SystemsVG/Belldandy'/>
      <target dev='hda' bus='ide'/>
    </disk>
    <interface type='bridge'>
      <mac address='00:16:3e:29:65:46'/>
      <source bridge='xenbr0'/>
      <script path='vif-bridge'/>
      <target dev='vif11.0'/>
    </interface>
    <input type='mouse' bus='ps2'/>
    <graphics type='vnc' port='5911' autoport='yes'/>
  </devices>
</domain>

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