[Pkg-libvirt-maintainers] Bug#954990: libvirt-clients: "virsh change-media" doesn't work for removable USB storage

[Philipp Marek]

Package: libvirt-clients
Version: 6.0.0-4
Severity: minor

I've got a Windows 10 VM with a SATA CDROM and
a removable USB storage device:

    <disk type='file' device='cdrom'>                                                  
      <driver name='qemu' type='raw'/>
      <source file='/var/lib/libvirt/images/virtio-win-0.1.173.iso'/>                  
      <target dev='sda' bus='sata'/>
      <readonly/>                      
      <address type='drive' controller='0' bus='0' target='0' unit='0'/>         
    </disk>                                                                            
    <disk type='file' device='disk'>   
      <driver name='qemu' type='raw' cache='unsafe'/>                                                                                                                         
      <source file='/tmp/win-usb-fs.dos'/>                                             
      <target dev='sdb' bus='usb' removable='on'/>          
      <address type='usb' bus='0' port='3'/>
    </disk>                                                                            

I can eject or insert new media for the CDrom device just fine,
but for the USB device I always get

    Error: No disk found whose source path or target is sdb

"virsh domblklist" gives me the expected output:

     vdb    /var/lib/libvirt/images/win10.qcow2
     sdb    /tmp/win-usb-fs.dos
     sda    /var/lib/libvirt/images/virtio-win-0.1.173.iso


But neither the path (/tmp/win-usb-fs.dos), the device (sdb),
nor the alias (usb-disk1) works, the error message is always the same.

Happened with libvirt-clients=5.6.0-2 also, the upgrade didn't help.

Thanks!


-- System Information:
Debian Release: bullseye/sid
  APT prefers testing
  APT policy: (990, 'testing'), (500, 'unstable-debug'), (500, 'testing-debug'), (500, 'unstable'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 5.4.0-4-amd64 (SMP w/8 CPU cores)
Kernel taint flags: TAINT_WARN
Locale: LANG=de_AT.UTF-8, LC_CTYPE=de_AT.UTF-8 (charmap=UTF-8), LANGUAGE=de_AT:de (charmap=UTF-8)
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages libvirt-clients depends on:
ii  libc6           2.30-2
ii  libgcc-s1       10-20200312-2
ii  libglib2.0-0    2.64.1-1
ii  libreadline8    8.0-4
ii  libvirt0        6.0.0-4
ii  libxml2         2.9.10+dfsg-4
ii  sensible-utils  0.0.12+nmu1

libvirt-clients recommends no packages.

Versions of packages libvirt-clients suggests:
ii  libvirt-daemon  6.0.0-4

-- no debconf information

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