[Bug 1582728] Re: DASDFMT fails with a buffer overflow error

[Frank Heimes]

We have similar MDISK setups in our machine, but mostly 3390 0001 10016 (so mod9s),
but did not saw such a overflow situations yet.
We cpfmtxa format our disks once and label them (but with perm 0-end) - are you using cpfmtxa too ?
So 'sudo dasdfmt -b 4096 -f /dev/dasdf' recently worked for me ...

Looks like your 9336 EDEV devices (a and b) are fine.

Please can you paste your MDISK settings of the user direct (at least for the disk 0200),
the 'lsdasd -a' output
and the output of 'dasdfmt --version'?

Thanks

Nevertheless a buffer overflow is not acceptable ...

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https://bugs.launchpad.net/bugs/1582728

Title:
  DASDFMT fails with a buffer overflow error

Status in Ubuntu on IBM z Systems:
  New
Status in s390-tools package in Ubuntu:
  New

Bug description:
  During installation, either through the menu or in an ssh session ,
  dasdfmt fails with a buffer overflow error and does not format the
  dasd volume. The volume is a z/VM minidisk - defined as 1 to end, this
  is common in this environment. The DASD volume was formatted from z/VM
  as a minidisk volume. These are the same steps taken for other
  distributions running under z/VM. I've attached some screen shots.

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