[Xen-users] Can't stop MD array after destroying domain

[Egor Medvedev <methodx@xxxxxxxxxx>]

Hello.

I have a problem with MD array after destroying guest machine using xl toolstack.

Sometimes I can get an error:

==

libxl: error: libxl_device.c:894:device_backend_callback: unable to remove device with path /local/domain/0/backend/vbd/53/51712

libxl: error: libxl_device.c:894:device_backend_callback: unable to remove device with path /local/domain/0/backend/vif/53/0

libxl: error: libxl.c:1449:devices_destroy_cb: libxl__devices_destroy failed for 53

==

When trying to stop array, system considers it being used by another process.

We use dm multipath for block devices. After destroying domain, it is also impossible to remove dm.

I suppose, dom0 could use it. Is it possible to free block device?

Now iâm trying to get additional info, with strace.

Thanks

--

Best Regards,

Egor

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