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[Xen-devel] debian xen 4.1 and 3.8.x kernel (from experimental)

  • To: "xen-devel@xxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxx>
  • From: James Harper <james.harper@xxxxxxxxxxxxxxxx>
  • Date: Sat, 20 Apr 2013 01:18:09 +0000
  • Accept-language: en-AU, en-US
  • Delivery-date: Sat, 20 Apr 2013 01:19:03 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xen.org>
  • Thread-index: Ac49Yzdcu3B1eoWMSmivBayV/FP/TQ==
  • Thread-topic: debian xen 4.1 and 3.8.x kernel (from experimental)

I'm trying to get ceph working with decent performance (currently getting 
kb/second write performance!) and it seems that maybe the Debian wheezy kernel 
is just a bit too ancient.

The 3.8 kernel from experimental works on bare metal, but when booting as dom0 
under the xen hypervisor it crashes.
I just figured out how to redirect xen output to my IPMI/BMC serial port and I 
see this:

(XEN) HVM: Hardware Assisted Paging (HAP) detected
(XEN) HVM: HAP page sizes: 4kB, 2MB
(XEN) Brought up 4 CPUs
(XEN) elf_init: not an ELF binary

Does this mean that Debian is compiling the kernel incorrectly (in which case 
I'll file a bug), or is my Xen now too old to support it?



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