[snip]
So there is something else at play. And just for the record:
1) kvm-88 works fine *with the exact same setup*
2) I've tried running as root
3) The raw disk mounts fine from the host.
So I *know* the problem is with kvm. I wouldn't post to the list
without triple checking that.
I have also just tested with another raw partition which is much
smaller (1GB) and the same thing still occurs: kvm-88 works and
qemu-kvm-0.12.3 does not.
So I think that it is fair to assume that this new problem is
unrelated to the partition size.
I have narrowed it down to the "io-thread" option:
* rebuilding older versions of qemu without "--enable-io-thread" causes
the bug (guest cannot open raw partition)
* qemu-kvm-0.12.3 cannot be built with "--enable-io-thread" over here:
LINK x86_64-softmmu/qemu-system-x86_64
kvm-all.o: In function `qemu_mutex_lock_iothread':
/usr/src/KVM/qemu-kvm-0.12.3/qemu-kvm.c:2532: multiple definition of
`qemu_mutex_lock_iothread'
vl.o:/usr/src/KVM/qemu-kvm-0.12.3/vl.c:3772: first defined here
[..]
Which I have reported as part of another unsolved issue here:
http://www.mail-archive.com/kvm@xxxxxxxxxxxxxxx/msg27663.html
Why not using the io-thread would prevent qemu from opening the raw
partition is beyond me.
Antoine
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