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2014 Aug 14
0
Ubuntu 14.04 LTS KVM issue: setdev ioctl failed on blockpoll: Device or resource busy
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Hi,
I ran into a strange issue when I brought up my virtual device on KVM
after I upgraded my box to Ubuntu 14.04 LTS.
My virtual device has two disks: one boot disk and one empty disk. It was
able to boot up, but ioctl on the second disk image failed with error
messages like:
setdev ioctl failed on blockpoll: Device or resource busy
Any thoughts what happened. It worked fine with Ubuntu 12. Our virtual
device called open_bdev_exclusive and failed. AppArmor seems not the
problem because I saw the same issue with app armor disabled.
Thanks.
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