[Bug 915626] Re: usb-creator-gtk crashed with SIGSEGV

[James Hunt]

Can't reproduce but the following unhandled errors which appear commonly
in the duplicate bugs look interesting:


usb-creator 2012-08-29 20:43:36,058 (ERROR) connection.py:646: Unable to set arguments (None,) according to signature u's': <type 'exceptions.TypeError'>: Expected a string or unicode object 
usb-creator 2012-08-29 20:43:36,058 (ERROR) frontend.py:679: Installation failed.
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/usbcreator/frontends/gtk/frontend.py", line 616, in install
    allow_system_internal=self.allow_system_internal)
  File "/usr/lib/python2.7/dist-packages/usbcreator/backends/udisks/backend.py", line 349, in install
    self.helper.Unmount(target)
  File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 145, in __call__
    **keywords)
  File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 641, in call_blocking
    message.append(signature=signature, *args)
TypeError: Expected a string or unicode object


usb-creator 2012-08-25 12:20:49,988 (ERROR) backend.py:155: Could not mount the device:
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/usbcreator/backends/udisks/backend.py", line 153, in _add_partition
    self.retry_mount(device)
  File "/usr/lib/python2.7/dist-packages/usbcreator/backends/udisks/backend.py", line 45, in retry_mount
    device_i.FilesystemMount('', [])
  File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 145, in __call__
    **keywords)
  File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
DBusException: org.freedesktop.UDisks.Error.FilesystemDriverMissing: Error mounting: mount: no medium found on /dev/sdb1

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https://bugs.launchpad.net/bugs/915626

Title:
  usb-creator-gtk crashed with SIGSEGV

Status in “udisks” package in Ubuntu:
  Confirmed
Status in “usb-creator” package in Ubuntu:
  Confirmed
Status in “udisks” source package in Quantal:
  Confirmed
Status in “usb-creator” source package in Quantal:
  Confirmed

Bug description:
  different OS version than similar bugs

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: usb-creator-gtk 0.2.35.1
  ProcVersionSignature: Ubuntu 3.2.0-8.15-generic 3.2.0
  Uname: Linux 3.2.0-8-generic x86_64
  ApportVersion: 1.90-0ubuntu1
  Architecture: amd64
  Date: Thu Jan 12 12:05:13 2012
  ExecutablePath: /usr/bin/usb-creator-gtk
  InstallationMedia: Xubuntu 12.04 "Precise Pangolin" - Alpha amd64 (20120109)
  InterpreterPath: /usr/bin/python2.7
  ProcCmdline: /usr/bin/python /usr/bin/usb-creator-gtk
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7f4b135fe6c0:	movl   $0xffffffff,0x4(%rdi)
   PC (0x7f4b135fe6c0) ok
   source "$0xffffffff" ok
   destination "0x4(%rdi)" (0x00000004) not located in a known VMA region (needed writable region)!
  SegvReason: writing NULL VMA
  Signal: 11
  SourcePackage: usb-creator
  StacktraceTop:
   ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
   ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
   ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
   ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
   ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
  Title: usb-creator-gtk crashed with SIGSEGV
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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