[Bug 981314] Re: assertion failure without initramfs: ply-buffer.c:184: ply_buffer_append_bytes: Assertion `buffer != ((void *)0)' failed.

[Steve Langasek]

Newer plymouth upstream includes the following change:

     {
       state.should_be_attached = attach_to_session;
       if (!attach_to_running_session (&state))
-          ply_trace ("could not create session: %m");
+        {
+          ply_trace ("could not redirect console session: %m");
+          if (! no_daemon)
+            ply_detach_daemon (daemon_handle, EX_UNAVAILABLE);
+          return EX_UNAVAILABLE;
+        }
     }
 
   state.boot_server = start_boot_server (&state);

This removes the assertion, but simply by causing plymouthd to exit
instead.

That's going to be difficult to correct for.  We start plymouth early in
order to be able to capture early boot information, and so that mountall
can communicate with it for any interactions necessary while fscking the
filesystem; so we can't simply start plymouth later once /dev is
mounted.  So we need to do something other than what upstream has
implemented here.  If we're going to allow retrying console redirection
later, though, we need to carefully examine the failure path in
attach_to_running_session().

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https://bugs.launchpad.net/bugs/981314

Title:
  assertion failure without initramfs: ply-buffer.c:184:
  ply_buffer_append_bytes: Assertion `buffer != ((void *)0)' failed.

Status in “plymouth” package in Ubuntu:
  Triaged

Bug description:
  I see the following assertion failure on every boot, with a custom-
  compiled kernel version 3.4.0-rc2 and no initrd:

  ply-buffer.c:184: ply_buffer_append_bytes: Assertion `buffer != ((void
  *)0)' failed.

  ~# lsb_release -rd
  Description:    Ubuntu precise (development branch)
  Release:        12.04
  ~# apt-cache policy plymouth
  plymouth:
    Installed: 0.8.2-2ubuntu29
    Candidate: 0.8.2-2ubuntu29
    Version table:
   *** 0.8.2-2ubuntu29 0
          500 http://us.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages
          100 /var/lib/dpkg/status
       0.8.2-2ubuntu28 0
          500 http://us.archive.ubuntu.com/ubuntu/ oneiric/main amd64 Packages

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