[Bug 704251] Re: Well, my ubuntu system was booted from a live-cd and I was about to install it then I got the meassage: ma-search-users crashed with SIGSEGV in strrchr()

[Brian Murray]

** Tags added: ubiquity-2.2.25

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Title:
  Well, my ubuntu system was booted from a live-cd and I was about to
  install it then I got the meassage: ma-search-users crashed with
  SIGSEGV in strrchr()

Status in “ubiquity” package in Ubuntu:
  New

Bug description:
  Please, I am just new to Linux(Ubuntu) and don't really know what additional/further information to provide here. Well, if any thing goes, let me quickly say that:
  I recently downloaded  Ubuntu 10.04 LTS (Lucid Lynx) CD ISO image from the Internet. I burn the image on a CD disk and booted from the disk to perform a multi-boot (Window$ - Ubuntu - OpenSuse) installation on a Compaq Presario CQ60 laptop. I wish not to temper with the MBR of the internal hard disk(sda) but rather want to have a sort of a looped multi-boot chain-loading operating systems of the three above. I don't want to install Ubuntu grub boot-loader on my hard disk(sda) MBR rather I want it to be installed on the Ubuntu root partition (sda2). Unfortunately, along the steps of Ubuntu installation, it failed to let me know exactly where the boot loader(grub) will be installed. But OpenSuse offer user the option of choosing where to install the boot-loader(grub/lilo). It also offer user (during installation) the directory name of user-account under the "/home" directory, that is choosing a login name such as "utunbu", one can specify the directory name "utunbu2011" as it home directory under the path "/home".

  ProblemType: Crash
  DistroRelease: Ubuntu 10.04
  Package: ubiquity 2.2.25
  ProcVersionSignature: Ubuntu 2.6.32-24.39-generic 2.6.32.15+drm33.5
  Uname: Linux 2.6.32-24-generic i686
  Architecture: i386
  Date: Tue Jan 18 02:12:37 2011
  ExecutablePath: /usr/lib/ubiquity/migration-assistant/ma-search-users
  LiveMediaBuild: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release i386 (20100816.1)
  ProcCmdline: /usr/lib/ubiquity/migration-assistant/ma-search-users windowsxp /mnt/migrationassistant
  ProcEnviron:
   LANGUAGE=en_NG
   LC_COLLATE=C
   PATH=(custom, no user)
   LANG=en_NG
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x846bb3 <strrchr+163>:	mov    (%esi),%edx
   PC (0x00846bb3) ok
   source "(%esi)" (0x00000000) not located in a known VMA region (needed readable region)!
   destination "%edx" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: ubiquity
  StacktraceTop:
   strrchr () from /lib/tls/i686/cmov/libc.so.6
   basename () from /lib/tls/i686/cmov/libc.so.6
   ?? ()
   ?? ()
   __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
  Title: ma-search-users crashed with SIGSEGV in strrchr()
  UserGroups:

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