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xen-users
[Xen-users] xen 3.1 failing: qemu-dm error "map shared IO page returned
Hello;
I can't start a VM on this setup. It looks like
qemu dies. The message "map shared IO page returned error 22"
is the last line in the qemu-dm-NNN.log
(which is then defunc).
I'm using xen 3.1 on Centos 5,
binary distributed kernel, 64 bit mode,
'2.6.18-xen',
IBM bladecenter.
Something from "xm dmesg" (which does not
otherwise contain errors or info on my problem):
(XEN) *** LOADING DOMAIN 0 ***
(XEN) Xen kernel: 64-bit, lsb, compat32
(XEN) Dom0 kernel: 64-bit, lsb, paddr 0xffffffff80200000 ->
0xffffffff805b0e6c
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN) Dom0 alloc.: 000000007d000000->000000007e000000 (477266 pages
to be allocated)
Anyway, I cannot start any VM. Now I *have* been looking
around for this error message but the only web pages I find contain
the source code of Xen (and of course the literal error message
apart from the number '22').
Well that doesnt really help me and I do not know enough
of Xen - let alone memory allocation [failure] - to continue
searching.
Any help & tips would be welcome. Oh and I did try some
pae/apic etc. settings but I don't think that is the problem.
Klaas
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