[Bug 2015857] Re: Repeatedly unusable truncated crash files

[Benjamin Drung]

I modified apport to write the core file right at the beginning and it
was correctly written. That points to an issue with apport itself. The
written core file is around 500 MB.

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Title:
  Repeatedly unusable truncated crash files

Status in apport package in Ubuntu:
  Triaged

Bug description:
  Repeatedly unusable truncated crash files:

  Bug 2012974, bug 2015842, bug 2015140, bug 2012075

  Based on my own testing, the problems seems to happen if multiple
  binaries crash simultaneously (like at logout). One crash file gets
  fully written and the other is incomplete.

  If I remove apport from the equation and just get the kernel to dump
  core files then the core files are always written reliably (should be
  several hundred MB in the case of gnome-shell).

  Running `apport-retrace -g $crash` on the .crash files will fail with
  "/tmp/apport_core_[...] is not a core dump: file format not
  recognized"

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