[Bug 1866738] Re: ubiquity crashed with SIGSEGV in g_io_stream_close() during install of Ubuntu 20.04 daily image 2020-03-10

[Apport retracing service]

*** This bug is a duplicate of bug 1859322 ***
    https://bugs.launchpad.net/bugs/1859322

Thank you for taking the time to report this crash and helping to make
this software better.  This particular crash has already been reported
and is a duplicate of bug #1859322, so is being marked as such.  Please
look at the other bug report to see if there is any missing information
that you can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report.  Please continue to report any other bugs you may
find.

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** This bug has been marked a duplicate of private bug 1859322

** Information type changed from Private to Public

** Tags removed: need-amd64-retrace

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https://bugs.launchpad.net/bugs/1866738

Title:
  ubiquity crashed with SIGSEGV in g_io_stream_close() during install of
  Ubuntu 20.04 daily image 2020-03-10

Status in ubiquity package in Ubuntu:
  New

Bug description:
  Booted from USB, chose "install ubuntu" then continued through
  ubiquity install.  IIRC, options chosen:

  * normal desktop installation
  * connected to wifi
  * download updates and extra software
  * install to disk, overwriting ubuntu 19.10 install
  * Use ZFS (EXPERIMENTAL)
  * Accepted default partitioning
  * Selected location
  * CRASH

  After the crash, was dumped to desktop.

  ProblemType: Crash
  DistroRelease: Ubuntu 20.04
  Package: ubiquity 20.04.6
  ProcVersionSignature: Ubuntu 5.4.0-14.17-generic 5.4.18
  Uname: Linux 5.4.0-14-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu18
  Architecture: amd64
  CasperVersion: 1.441
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Mar 10 02:59:07 2020
  ExecutablePath: /usr/lib/ubiquity/bin/ubiquity
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed only-ubiquity quiet splash ---
  InterpreterPath: /usr/bin/python3.8
  LiveMediaBuild: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200309)
  ProcCmdline: /usr/bin/python3 /usr/lib/ubiquity/bin/ubiquity --only
  ProcEnviron:
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=C.UTF-8
  Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.0-3ubuntu1
  PythonDetails: N/A
  SegvAnalysis:
   Segfault happened at: 0x7f76e9793703:	mov    (%rbx),%rax
   PC (0x7f76e9793703) ok
   source "(%rbx)" (0x00000000) not located in a known VMA region (needed readable region)!
   destination "%rax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: ubiquity
  StacktraceTop:
   ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libgiognutls.so
   ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libgiognutls.so
   g_io_stream_close () from /lib/x86_64-linux-gnu/libgio-2.0.so.0
   ?? () from /lib/x86_64-linux-gnu/libsoup-2.4.so.1
   soup_socket_disconnect () from /lib/x86_64-linux-gnu/libsoup-2.4.so.1
  Title: ubiquity crashed with SIGSEGV in g_io_stream_close()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  separator:

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