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[Xen-ia64-devel] very poor pre-boot performance


  • To: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
  • From: Zoran Popović <shoom013@xxxxxxxxx>
  • Date: Mon, 5 Oct 2009 16:55:12 +0200
  • Delivery-date: Mon, 05 Oct 2009 07:55:13 -0700
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  • List-id: Discussion of the ia64 port of Xen <xen-ia64-devel.lists.xensource.com>

I have a problem with HVM DomUs on IA64 in pre-boot environment - if I bring up more than one DomU, virt-manager / xm / virsh becomes very unresponsive - on the other hand, all DomUs are working perfectly normal (including Dom0) and system is quite stable, but whatever I do with xen (e.g. xm list) it takes ages to respond. I have only noticed unreasonably high CPU load on a qemu-dm process (about 50%) knowing that pre-boot environment shouldn't do much with I/O (ia64 EFI firmware). Once the DomU boots OS, everything starts working normally ! Any hint about this kind of issue ??!?!??
Regards,
Zoran.
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