[Bug 1473934] Re: ISST-LTE: pmac-fdisk doesn't work with mpath devices

Wed Aug 5 02:15:47 UTC 2015

Hello bugproxy, or anyone else affected,

Accepted util-linux into trusty-proposed. The package will build now and
be available at https://launchpad.net/ubuntu/+source/util-
linux/2.20.1-5.1ubuntu20.6 in a few hours, and then in the -proposed
repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
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us make a better decision.

Further information regarding the verification process can be found at
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advance!

** Changed in: util-linux (Ubuntu Trusty)
       Status: New => Fix Committed

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https://bugs.launchpad.net/bugs/1473934

Title:
  ISST-LTE: pmac-fdisk doesn't work with mpath devices

Status in mac-fdisk package in Ubuntu:
  Fix Released
Status in util-linux package in Ubuntu:
  Fix Released
Status in mac-fdisk source package in Trusty:
  Fix Committed
Status in util-linux source package in Trusty:
  Fix Committed
Status in mac-fdisk source package in Vivid:
  Fix Committed
Status in util-linux source package in Vivid:
  Fix Committed

Bug description:
  ---Problem Description---
  1. fdisk -l doesn't work with mpath device:

  % sudo fdisk -l /dev/mapper/mpath0
  The number of cylinders for this disk is set to 4252.
  This is larger than 1024, and may cause problems with:
  1) software that runs at boot time (e.g., LILO)
  2) booting and partitioning software form other OSs
     (e.g., DOS FDISK, OS/2 FDISK)

  Disk /dev/sda: 128 heads, 32 sectors, 4252 cylinders
  Units = cylinders of 4096 * 512 bytes

     Device Boot   Begin    Start      End   Blocks   Id  System
  /dev/sda1            1        1   135324277143551+  ee  Unknown
  Partition 1 does not end on cylinder boundary:
       phys=(1023, 254, 63) should be (1023, 127, 32)
  The number of cylinders for this disk is set to 4252.
  This is larger than 1024, and may cause problems with:
  1) software that runs at boot time (e.g., LILO)
  2) booting and partitioning software form other OSs
     (e.g., DOS FDISK, OS/2 FDISK)

  Disk /dev/sdb: 128 heads, 32 sectors, 4252 cylinders
  Units = cylinders of 4096 * 512 bytes

     Device Boot   Begin    Start      End   Blocks   Id  System
  /dev/sdb1            1        1       21    42992   83  Linux native
  The number of cylinders for this disk is set to 4252.
  This is larger than 1024, and may cause problems with:
  1) software that runs at boot time (e.g., LILO)
  2) booting and partitioning software form other OSs
     (e.g., DOS FDISK, OS/2 FDISK)
  Warning: invalid flag 6f00 of partition table 4 will be corrected by w(rite)

  Disk /dev/sdc: 128 heads, 32 sectors, 4252 cylinders
  Units = cylinders of 4096 * 512 bytes

     Device Boot   Begin    Start      End   Blocks   Id  System
  The number of cylinders for this disk is set to 4252.
  This is larger than 1024, and may cause problems with:
  1) software that runs at boot time (e.g., LILO)
  2) booting and partitioning software form other OSs
     (e.g., DOS FDISK, OS/2 FDISK)
  Warning: invalid flag 6f00 of partition table 4 will be corrected by w(rite)

  Disk /dev/sdd: 128 heads, 32 sectors, 4252 cylinders
  Units = cylinders of 4096 * 512 bytes

     Device Boot   Begin    Start      End   Blocks   Id  System
  The number of cylinders for this disk is set to 4252.
  This is larger than 1024, and may cause problems with:
  1) software that runs at boot time (e.g., LILO)
  2) booting and partitioning software form other OSs
     (e.g., DOS FDISK, OS/2 FDISK)
  Warning: invalid flag 6f00 of partition table 4 will be corrected by w(rite)

  Disk /dev/sde: 128 heads, 32 sectors, 4252 cylinders
  Units = cylinders of 4096 * 512 bytes

     Device Boot   Begin    Start      End   Blocks   Id  System
  The number of cylinders for this disk is set to 4252.
  This is larger than 1024, and may cause problems with:
  1) software that runs at boot time (e.g., LILO)
  2) booting and partitioning software form other OSs
     (e.g., DOS FDISK, OS/2 FDISK)
  Warning: invalid flag 6f00 of partition table 4 will be corrected by w(rite)

  Disk /dev/sdf: 128 heads, 32 sectors, 4252 cylinders
  Units = cylinders of 4096 * 512 bytes

     Device Boot   Begin    Start      End   Blocks   Id  System
  The number of cylinders for this disk is set to 4252.
  This is larger than 1024, and may cause problems with:
  1) software that runs at boot time (e.g., LILO)
  2) booting and partitioning software form other OSs
     (e.g., DOS FDISK, OS/2 FDISK)
  Warning: invalid flag 6f00 of partition table 4 will be corrected by w(rite)

  Disk /dev/sdg: 128 heads, 32 sectors, 4252 cylinders
  Units = cylinders of 4096 * 512 bytes

     Device Boot   Begin    Start      End   Blocks   Id  System
  The number of cylinders for this disk is set to 4252.
  This is larger than 1024, and may cause problems with:
  1) software that runs at boot time (e.g., LILO)
  2) booting and partitioning software form other OSs
     (e.g., DOS FDISK, OS/2 FDISK)
  Warning: invalid flag 6f00 of partition table 4 will be corrected by w(rite)

  Disk /dev/sdh: 128 heads, 32 sectors, 4252 cylinders
  Units = cylinders of 4096 * 512 bytes

     Device Boot   Begin    Start      End   Blocks   Id  System
  %  

  2. when trying to partition a mpath device with fdisk, it asks user to
  sed sectors and cylindes:

  % sudo fdisk /dev/mapper/mpath4
  You must set heads sectors and cylinders.
  You can do this from the extra functions menu.
  Warning: invalid flag 6f00 of partition table 4 will be corrected by w(rite)

  Command (m for help): p

  Disk /dev/mapper/mpath4: 0 heads, 0 sectors, 0 cylinders
  Units = cylinders of 1 * 512 bytes

               Device Boot   Begin    Start      End   Blocks   Id
  System

  Command (m for help): n
  You must set heads sectors and cylinders.
  You can do this from the extra functions menu.

  Command (m for help):

  3.fdisk will show a wrong partition name:

  % ls /dev/mapper/mpath3-part1
  /dev/mapper/mpath3-part1
  % sudo fdisk /dev/mapper/mpath3
  You must set heads sectors and cylinders.
  You can do this from the extra functions menu.

  Command (m for help): p

  Disk /dev/mapper/mpath3: 0 heads, 0 sectors, 0 cylinders
  Units = cylinders of 1 * 512 bytes

               Device Boot   Begin    Start      End   Blocks   Id  System
  /dev/mapper/mpath31           63        2554287104277143551+  ee  Unknown

  Command (m for help):

  ---uname output---
  Linux dilllp1 3.19.0-22-generic #22~14.04.1-Ubuntu SMP Wed Jun 17 10:03:39 UTC 2015 ppc64le ppc64le ppc64le GNU/Linux

  Machine Type = na 

  ---Debugger---
  A debugger is not configured

  ---Steps to Reproduce---
   1. install ubuntu 14.04.3 on a system which has mpath devices
  2. using "fdisk" to check mpath device:
  * fdisk -l <mpath device>
  * fdisk <mpath device> (partition the device)

  Userspace tool common name: fdisk(symbol link to pmac-fdisk) 

  The userspace tool has the following bit modes: 64-bit 

  Userspace package: pmac-fdisk, version: 0.1-16ubuntu2

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