[Xen-users] inconsistent between xm list -l and xm block-list

["Felix Chu" <felixchu@xxxxxxxxxxxxxxxxxxxx>]

Hi all,

 

I am using xen 3.3.1 with centos 5.2 on domU and dom0. I tried to “xm block-detach” an mounted disk, it will result failure after a long time. I type two commands after this failed detach command , and find inconsistent of configuration:

 

As you see below 2 commands. (1) shows there are two vbd. But in (2), it shows only one. This inconsistent problem only occurs after a failed “xm block-detach”.

 

(1)    

[root@localhost ~]# xm block-list felix1

Vdev  BE handle state evt-ch ring-ref BE-path

2048   0    0     4      9      8     /local/domain/0/backend/vbd/78/2048 

2128   0    0     4      11     307   /local/domain/0/backend/vbd/78/2128 

 

(2)

[root@localhost ~]# xm list -l felix1

(domain

    (domid 78)

    (on_crash restart)

    (uuid a66f210b-efe2-4ed4-95b1-1e30994f998d)

    (bootloader_args -q)

    (vcpus 2)

    (name felix1)

    (on_poweroff destroy)

    (on_reboot restart)

    (bootloader /usr/bin/pygrub)

    (maxmem 1024)

    (memory 512)

    (shadow_memory 0)

    (features )

    (on_xend_start ignore)

    (on_xend_stop ignore)

    (start_time 1234450814.28)

    (cpu_time 526.0799473)

    (online_vcpus 2)

    (image

        (linux

            (kernel )

            (notes

                (FEATURES

                    'writable_page_tables|writable_descriptor_tables|auto_translated_physmap|pae_pgdir_above_4gb|supervisor_mode_kernel'

                )

                (VIRT_BASE 18446744071562067968)

                (GUEST_VERSION 2.6)

                (PADDR_OFFSET 18446744071562067968)

                (GUEST_OS linux)

                (HYPERCALL_PAGE 18446744071564189696)

                (LOADER generic)

                (ENTRY 18446744071564165120)

                (XEN_VERSION xen-3.0)

            )

        )

    )

    (status 2)

    (state -b----)

    (device

        (vif

            (bridge xenbr0)

            (mac 00:16:3e:02:23:85)

            (script /etc/xen/scripts/vif-bridge)

            (uuid dc23dbe4-26ac-3e56-32c8-4551e9675158)

            (backend 0)

        )

    )

    (device

        (vbd

            (protocol x86_64-abi)

            (uuid 0a455e6a-e7ae-996a-698b-0306e8226db6)

            (dev sda:disk)

            (uname phy:/dev/vg/a66f210b-efe2-4ed4-95b1-1e30994f998d)

            (mode w)

            (backend 0)

            (bootable 1)

            (VDI )

        )

    )

    (device

        (console

            (protocol vt100)

            (location 2)

            (uuid fad00e1e-8863-2e7a-01d8-b2c5c1a1f5df)

        )

    )

)

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