Public bug reported:
Binary package hint: xen-image-xen0-2.6.17-5-server-xen0
Same thing happens on debian (xen-linux-system-2.6.17-2-xen-686).
We used the xen0-2.6.17-5-server kernel with the xen-
hypervisor-3.0.3-pae-i386 (3.0.3-rc2) and the generic version with non-
pae hypervisor. The problem does not occur with the Ubuntu kernels in
main (non-xen).
The problem is that during a lot of disk i/o to a LVM partition, the
IOwait goes to 100% and gradually the load goes higher and higher until
the system is unusable.
We tested on different hardware configurations (two different mainboards
(intel and asus), different harddisks (maxtor and western digital) and
cpu's (celeron and pentium4). We have also tried removing all auxilorary
hardware (ethernet controller, e.g.), turning off hyperthreading etc.
with no effect.
** Affects: xen-source-2.6.17 (Ubuntu)
Importance: Undecided
Status: Unconfirmed
--
Xen + LVM
https://launchpad.net/bugs/65505
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