[Bug 1763916] Re: plymouthd crashed with SIGSEGV in script_obj_deref_direct()

Sat Apr 14 10:39:50 UTC 2018

*** This bug is a duplicate of bug 1580078 ***
    https://bugs.launchpad.net/bugs/1580078

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 #1580078, 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 1580078

** Information type changed from Private to Public

** Tags removed: need-amd64-retrace

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https://bugs.launchpad.net/bugs/1763916

Title:
  plymouthd crashed with SIGSEGV in script_obj_deref_direct()

Status in plymouth package in Ubuntu:
  New

Bug description:
  No idea what so ever what happened. A few seconds after login I was
  presented with the automatic crash and bugreport tool. First boot with
  propriatary NVIDIA drivers.

  Installation is somewhat of a franken-buntu. Started its life as
  xubuntu 17.10. Then replaced with the ubuntu-mate-desktop meta-
  package. Later ubuntu-desktop. Now on the 18.04 beta. Sorry for this
  probably useless report. Should I avoid sending reports like this?

  jonas at pantzer:~$ cat /etc/lsb-release 
  DISTRIB_ID=Ubuntu
  DISTRIB_RELEASE=18.04
  DISTRIB_CODENAME=bionic
  DISTRIB_DESCRIPTION="Ubuntu Bionic Beaver (development branch)"

  jonas at pantzer:~$ uname -a
  Linux pantzer 4.15.0-15-generic #16-Ubuntu SMP Wed Apr 4 13:58:14 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

  plymouth:
    Installerad: 0.9.3-1ubuntu6
    Kandidat:    0.9.3-1ubuntu6
    Versionstabell:
   *** 0.9.3-1ubuntu6 500
          500 http://se.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
          100 /var/lib/dpkg/status

  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: plymouth 0.9.3-1ubuntu6
  ProcVersionSignature: Ubuntu 4.15.0-15.16-generic 4.15.15
  Uname: Linux 4.15.0-13-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia
  ApportVersion: 2.20.9-0ubuntu4
  Architecture: amd64
  Date: Fri Apr 13 19:49:42 2018
  DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  InstallationDate: Installed on 2018-01-13 (90 days ago)
  InstallationMedia: Xubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105)
  Lsusb:
   Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
   Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: LENOVO 252226G
  ProcCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-15-generic root=/dev/mapper/xubuntu--vg-root ro quiet splash vt.handoff=1
  ProcCmdline: @sbin/plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
  ProcEnviron:
   LANG=sv_SE.UTF-8
   PATH=(custom, no user)
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-15-generic root=/dev/mapper/xubuntu--vg-root ro quiet splash vt.handoff=1
  SegvAnalysis:
   Segfault happened at: 0x7f6e3b49b480 <script_obj_deref_direct>:	cmpl   $0x1,(%rdi)
   PC (0x7f6e3b49b480) ok
   source "$0x1" ok
   destination "(%rdi)" (0x00000020) not located in a known VMA region (needed writable region)!
  SegvReason: writing NULL VMA
  Signal: 11
  SourcePackage: plymouth
  StacktraceTop:
   script_obj_deref_direct () at /usr/lib/x86_64-linux-gnu/plymouth/script.so
   script_obj_as_custom () at /usr/lib/x86_64-linux-gnu/plymouth/script.so
   script_execute_object () at /usr/lib/x86_64-linux-gnu/plymouth/script.so
   script_lib_plymouth_on_boot_progress () at /usr/lib/x86_64-linux-gnu/plymouth/script.so
   () at /lib/x86_64-linux-gnu/libply-splash-core.so.4
  TextPlymouth: /usr/share/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
  Title: plymouthd crashed with SIGSEGV in script_obj_deref_direct()
  UpgradeStatus: Upgraded to bionic on 2018-03-31 (14 days ago)
  UserGroups:

  dmi.bios.date: 02/14/2013
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET85WW (1.45 )
  dmi.board.name: 252226G
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr6IET85WW(1.45):bd02/14/2013:svnLENOVO:pn252226G:pvrThinkPadT410:rvnLENOVO:rn252226G:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.family: ThinkPad T410
  dmi.product.name: 252226G
  dmi.product.version: ThinkPad T410
  dmi.sys.vendor: LENOVO

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