upstart crashed with SIGSEGV

[vito]

after rebooting, popups this error

ProblemType: Crash
DistroRelease: Ubuntu 15.04
Package: upstart-bin 1.13.2-0ubuntu9
ProcVersionSignature: Ubuntu 3.19.0-7.7-generic 3.19.0
Uname: Linux 3.19.0-7-generic i686
ApportVersion: 2.16.2-0ubuntu1
Architecture: i386
CrashCounter: 1
Date: Thu Mar 5 13:57:05 2015
ExecutablePath: /sbin/upstart
InstallationDate: Installed on 2015-03-03 (5 days ago)
InstallationMedia: Xubuntu 15.04 "Vivid Vervet" - Alpha i386 (20150224)
ProcCmdline: /sbin/init
ProcEnviron:
 TERM=linux
 PATH=(custom, no user)
ProcKernelCmdline: BOOT_IMAGE=/boot/vmlinuz-3.19.0-7-generic root=UUID=c8ac14f5-b6c9-4080-9eaf-b50a94e3a591 ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x104d0: mov %edi,0x18(%esi)
 PC (0x000104d0) not located in a known VMA region (needed executable region)!
 source "%edi" ok
 destination "0x18(%esi)" (0x0000404a) not located in a known VMA region (needed writable region)!
 Stack pointer not within stack segment
SegvReason:
 executing unknown VMA
 writing NULL VMA
Signal: 11
SourcePackage: upstart
Stacktrace:
 #0 0x000104d0 in ?? ()
 No symbol table info available.
 #1 0x0001012d in ?? ()
 No symbol table info available.
 Backtrace stopped: previous frame inner to this frame (corrupt stack?)
StacktraceTop:
 ?? ()
 ?? ()
Title: upstart crashed with SIGSEGV
UpgradeStatus: No upgrade log present (probably fresh install)
UpstartBugCategory: System
UpstartRunningSystemVersion: init (upstart 1.13.2)
UserGroups:

modified.conffile..etc.console.setup.compose.ISO.8859.1.inc: [modified]
modified.conffile..etc.console.setup.compose.ISO.8859.13.inc: [modified]
modified.conffile..etc.console.setup.compose.ISO.8859.14.inc: [modified]
modified.conffile..etc.console.setup.compose.ISO.8859.15.inc: [modified]
modified.conffile..etc.console.setup.compose.ISO.8859.2.inc: [modified]
modified.conffile..etc.console.setup.compose.ISO.8859.3.inc: [modified]
modified.conffile..etc.console.setup.compose.ISO.8859.4.inc: [modified]
modified.conffile..etc.console.setup.compose.ISO.8859.7.inc: [modified]
modified.conffile..etc.console.setup.compose.ISO.8859.9.inc: [modified]
modified.conffile..etc.console.setup.compose.VISCII.inc: [modified]
modified.conffile..etc.console.setup.remap.inc: [modified]
mtime.conffile..etc.console.setup.compose.ISO.8859.1.inc: 2015-03-03T20:32:59
mtime.conffile..etc.console.setup.compose.ISO.8859.13.inc: 2015-03-03T20:32:59
mtime.conffile..etc.console.setup.compose.ISO.8859.14.inc: 2015-03-03T20:32:59
mtime.conffile..etc.console.setup.compose.ISO.8859.15.inc: 2015-03-03T20:32:59
mtime.conffile..etc.console.setup.compose.ISO.8859.2.inc: 2015-03-03T20:32:59
mtime.conffile..etc.console.setup.compose.ISO.8859.3.inc: 2015-03-03T20:32:59
mtime.conffile..etc.console.setup.compose.ISO.8859.4.inc: 2015-03-03T20:32:59
mtime.conffile..etc.console.setup.compose.ISO.8859.7.inc: 2015-03-03T20:32:59
mtime.conffile..etc.console.setup.compose.ISO.8859.9.inc: 2015-03-03T20:32:59
mtime.conffile..etc.console.setup.compose.VISCII.inc: 2015-03-03T20:32:59
mtime.conffile..etc.console.setup.remap.inc: 2015-03-03T20:32:59

[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 #1419393, 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.