[Bug 946022] Re: KVM Guest Hangs at Booting from hard disk

Peter Niederwieser pniederw at gmail.com
Thu Jan 23 20:43:38 UTC 2014


I'm fighting with similar symptoms:

- Ubuntu (Saucy) guests created with VMBuilder don't boot successfully; instead I get a grub prompt.
- qemu-system-x86 uses 100% CPU and 30MB RAM.
- Sometimes (but rarely) the problem magically disappears.

The host has an Intel CPU, so it doesn't seem to be the linked issue
which is said to only occur for AMD CPUs. I've tried many changes
related to disk configuration and boot loader, but nothing helped.
Dropping back to ext3, by adding "preferred_filesystem = 'ext3'" to
"saucy.py", doesn't seem to help either. (I haven't verified yet if this
actually created an ext3 filesystem.) Does this sound like issue
#946022? Will VMBuilder provide a fix or workaround?

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https://bugs.launchpad.net/bugs/946022

Title:
  KVM Guest Hangs at Booting from hard disk

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