[Bug 1447600] Re: 15.04 installer hangs in partitioner during something else

[Uwe Geuder]

I wrote:

Obviously the installer cannot do very much if mkfs.ext4 never
completes.

And I intended to write:

So the bug must be in e2fsprogs (or even in the kernel)

However, thinking one more time I don't think either of those statements is necessarily true.
The output of mkfs is somehow redirected to the installer GUI (ncurses in my case).
So I guess this redirection could cause a deadlock, such that mkfs waits forever
to write some output to the installer.

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Title:
  15.04 installer hangs in partitioner during something else

Status in ubiquity package in Ubuntu:
  Triaged

Bug description:
  In both Ubuntu and Lubuntu 15.04, when performing a "Something Else"
  install, the installer hangs when trying to format /.

  I was trying a Something Else install on 32 bit.  I asked to format
  sda1 as ext4 and mount at /.  I asked to not format sda3 and mount at
  /home.  I asked to use sda5 as swap.  Installer just stopped with no
  hard drive or CD activity.  No formatting was performed.

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