[Bug 1488688] Re: partprobe fails on /dev/mapper/353333330000007d0

[ChristianEhrhardt]

Hi,
I try to come back to bugs dormant for too long.
It was rather unclear (to me at least) if that was about the message or an actual functional issue.
No response yet on that.

Also these days one should try to check if the latest release is any better and might have a fix to backport already.
Setting incomplete to reflect that for now.

** Changed in: multipath-tools (Ubuntu)
       Status: Triaged => Incomplete

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Title:
  partprobe fails on /dev/mapper/353333330000007d0

Status in multipath-tools package in Ubuntu:
  Incomplete

Bug description:
  Steps to reproduce on Ubuntu 14.04 on a virtual machine with no
  /dev/sda device

  # apt-get install linux-image-extra-3.13.0-61-generic
  # modprobe scsi_debug vpd_use_hostno=0 add_host=1 dev_size_mb=200
  # ls -l /dev/mapper
  total 0
  lrwxrwxrwx 1 root root        7 Aug 25 23:00 353333330000007d0 -> ../dm-0
  crw------- 1 root root  10, 236 Aug 25 11:45 control
  # /sbin/sgdisk --new=2:0:100M --change-name=2:'ceph journal' --partition-guid=2:a94ad65f-fadb-4178-851b-5261c06ee3b9 --typecode=2:45b0969e-8ae0-4982-bf9d-5a8d867af560 --mbrtogpt -- /dev/mapper/353333330000007d0
  Warning: The kernel is still using the old partition table.
  The new table will be used at the next reboot.
  The operation has completed successfully.
  # partprobe /dev/mapper/353333330000007d0
  Device /dev/mapper/353333330000007d0p2 not found
  device-mapper: table ioctl on  failed: No such device or address
  Device /dev/mapper/353333330000007d0p2 not found
  device-mapper: table ioctl on  failed: No such device or address
  # ls -l /dev/mapper
  total 0
  lrwxrwxrwx 1 root root        7 Aug 25 23:00 353333330000007d0 -> ../dm-0
  brw-rw---- 1 root disk 252,   2 Aug 25 23:00 353333330000007d0p2
  crw------- 1 root root  10, 236 Aug 25 11:45 control
  # partprobe /dev/mapper/353333330000007d0
  # ls -l /dev/mapper
  total 0
  lrwxrwxrwx 1 root root        7 Aug 25 23:00 353333330000007d0 -> ../dm-0
  brw-rw---- 1 root disk 252,   1 Aug 25 23:00 353333330000007d0-part2
  brw-rw---- 1 root disk 252,   2 Aug 25 23:00 353333330000007d0p2
  crw------- 1 root root  10, 236 Aug 25 11:45 control

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