plymouthd crashed with SIGSEGV in ply_renderer_get_buffer_for_head()

[chielchiel]

Ubuntu 15.04 on macbook air 11 inch early 2014 model

ProblemType: Crash
DistroRelease: Ubuntu 15.04
Package: plymouth 0.9.0-0ubuntu9
ProcVersionSignature: Ubuntu 3.19.0-9.9-generic 3.19.1
Uname: Linux 3.19.0-9-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.16.2-0ubuntu3
Architecture: amd64
CrashCounter: 1
Date: Fri Mar 13 12:29:09 2015
DefaultPlymouth: /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
ExecutablePath: /sbin/plymouthd
InstallationDate: Installed on 2015-02-22 (22 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150222)
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 003: ID 05ac:0290 Apple, Inc.
 Bus 001 Device 006: ID 05ac:828f Apple, Inc.
 Bus 001 Device 002: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth)
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Apple Inc. MacBookAir6,1
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-9-generic.efi.signed root=UUID=4f640e50-a7ab-49b2-8884-a38f75022ed1 ro quiet splash vt.handoff=7
ProcCmdline: @sbin/plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-9-generic.efi.signed root=UUID=4f640e50-a7ab-49b2-8884-a38f75022ed1 ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x7f5a80954b89 <ply_renderer_get_buffer_for_head+9>: mov 0x10(%rdi),%rax
 PC (0x7f5a80954b89) ok
 source "0x10(%rdi)" (0x2e6e6f6d6561643d) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: plymouth
StacktraceTop:
 ply_renderer_get_buffer_for_head () from /lib/x86_64-linux-gnu/libply-splash-core.so.4
 ply_pixel_display_draw_area () from /lib/x86_64-linux-gnu/libply-splash-core.so.4
 script_lib_sprite_refresh () from /lib/x86_64-linux-gnu/plymouth/script.so
 ?? () from /lib/x86_64-linux-gnu/plymouth/script.so
 ply_event_loop_process_pending_events () from /lib/x86_64-linux-gnu/libply.so.4
TextPlymouth: /lib/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
Title: plymouthd crashed with SIGSEGV in ply_renderer_get_buffer_for_head()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

dmi.bios.date: 01/07/2015
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBA61.88Z.0099.B18.1501071032
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-35C1E88140C3E6CF
dmi.board.vendor: Apple Inc.
dmi.board.version: MacBookAir6,1
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-35C1E88140C3E6CF
dmi.modalias: dmi:bvnAppleInc.:bvrMBA61.88Z.0099.B18.1501071032:bd01/07/2015:svnAppleInc.:pnMacBookAir6,1:pvr1.0:rvnAppleInc.:rnMac-35C1E88140C3E6CF:rvrMacBookAir6,1:cvnAppleInc.:ct10:cvrMac-35C1E88140C3E6CF:
dmi.product.name: MacBookAir6,1
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.

[Apport retracing service (apport)]

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 #1377378, 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.