[Bug 1022519] Re: UDF volume name wrong

[Martin Pitt]

It seems the first 64 KiB are not enough here:

$ blkid -p bug1022519.iso  
bug1022519.iso: LABEL="FSX DISK 1" TYPE="iso9660" USAGE="filesystem" 

Can you confirm this on your system? I tried it on both Ubuntu 12.04 and
Quantal (the current development release).,

This looks alright, but it fails to recognize the UDF volume and thus
just reads the iso9660 label. I guess "volname" does not know about UDF
labels, but blkid prefers UDF over iso9660.

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https://bugs.launchpad.net/bugs/1022519

Title:
  UDF volume name wrong

Status in “util-linux” package in Ubuntu:
  New

Bug description:
  Unity / Nautilus / udev display the volume name of a DVD as "DVD
  Volume" when it's really something else.

  The 'volname' command gets the volume ID of DVD volumes right:

  $ volname /dev/sr0
  FSX DISK 1                   

  but udev doesn't:

  $ udevadm info -q env -n /dev/sr0 | grep ID_FS_LABEL
  ID_FS_LABEL=UDF_Volume
  ID_FS_LABEL_ENC=UDF\x20Volume

  Nautilus and Wine and everyone else probably get the volume info from
  udev, so they get it wrong, leading to problems like games not
  installing (see http://bugs.winehq.org/show_bug.cgi?id=25558 )

  Where does the wrong name come from?

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