Comment 2 for bug 844326

Terminal output:

peter@UbuntuAir:~$ banshee &
[1] 3483
peter@UbuntuAir:~$ [Info 14:50:48.598] Running Banshee 2.1.3: [Ubuntu oneiric (development branch) (linux-gnu, x86_64) @ 2011-08-25 18:47:06 UTC]

(Banshee:3483): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",

(Banshee:3483): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",

(Banshee:3483): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",

(Banshee:3483): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
[Info 14:50:49.667] Updating web proxy from GConf
[Info 14:50:49.766] All services are started 0.910236
** (Banshee:3483): DEBUG: SyncDaemon already running, initializing SyncdaemonDaemon object

(Banshee:3483): libsoup-WARNING **: No feature manager for feature of type 'U1RequestChrome'

** (Banshee:3483): WARNING **: Error calling get_info: Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/dbus/service.py", line 702, in _message_cb
    retval = candidate_method(self, *args, **keywords)
  File "/usr/lib/python2.7/dist-packages/ubuntuone-client/ubuntuone/platform/linux/dbus_interface.py", line 1041, in get_info
    return self.syncdaemon_folders.get_info(path)
  File "/usr/lib/python2.7/dist-packages/ubuntuone-client/ubuntuone/syncdaemon/interaction_interfaces.py", line 640, in get_info
    mdobj = self.fs.get_by_path(path.encode('utf-8'))
  File "/usr/lib/python2.7/dist-packages/ubuntuone-client/ubuntuone/syncdaemon/filesystem_manager.py", line 777, in get_by_path
    mdid = self._idx_path[path]
KeyError: '/home/peter/.ubuntuone/Purchased from Ubuntu One'

** (Banshee:3483): CRITICAL **: syncdaemon_folder_info_get_subscribed: assertion `SYNCDAEMON_IS_FOLDER_INFO (finfo)' failed
[Info 14:50:50.419] AmazonMP3 store redirect URL: https://one.ubuntu.com/music/store/amz/

** (Banshee:3483): WARNING **: Error rescanning Purchased Music: No such file or directory
** (Banshee:3483): DEBUG: Loading the real store page

** (Banshee:3483): WARNING **: Got less number of items in credentials hash table than expected!
[Info 14:50:50.754] nereid Client Started
[Info 14:50:50.858] GStreamer version 0.10.35.0, gapless: True, replaygain: False
[Info 14:50:50.889] AppleDeviceSource is ignoring unmounted volume Documents on Peter’s iPad
Device 0 (VID=05ac and PID=129a) is a Apple iPad.
LIBMTP WARNING: no MTP vendor extension on device 3 on bus 2LIBMTP WARNING: VendorExtensionID: 00000000LIBMTP WARNING: VendorExtensionDesc: Device has no vendor extensionsLIBMTP WARNING: this typically means the device is PTP (i.e. a camera) but not an MTP device at all. Trying to continue anyway.LIBMTP PANIC: could not inspect object property descriptions!
LIBMTP PANIC: could not inspect object property descriptions!
LIBMTP PANIC: could not inspect object property descriptions!
Stacktrace:

  at (wrapper managed-to-native) object.__icall_wrapper_mono_string_new_wrapper (intptr) <0xffffffff>
  at (wrapper unknown) Mtp.FolderStruct.PtrToStructure (intptr,object) <0xffffffff>
  at (wrapper runtime-invoke) <Module>.runtime_invoke_void_intptr_object (object,intptr,intptr,intptr) <0xffffffff>
  at (wrapper managed-to-native) System.Runtime.InteropServices.Marshal.PtrToStructure (intptr,System.Type) <0xffffffff>
  at Mtp.Folder.GetRootFolders (Mtp.MtpDevice) <0x0007b>
  at Mtp.MtpDevice.GetRootFolders () <0x0000f>
  at Mtp.MtpDevice.SetDefaultFolders () <0x00027>
  at Mtp.MtpDevice..ctor (Mtp.MtpDeviceHandle,Mtp.MtpDeviceStruct) <0x0004f>
  at Mtp.MtpDevice.Connect (Mtp.RawMtpDevice) <0x001af>
  at Banshee.Dap.Mtp.MtpSource.DeviceInitialize (Banshee.Hardware.IDevice) <0x00403>
  at Banshee.Dap.DapService.FindDeviceSource (Banshee.Hardware.IDevice) <0x000f0>
  at Banshee.Dap.DapService/MapDeviceJob.Run () <0x0071f>
  at Banshee.Kernel.Scheduler.ProcessJobThread () <0x00173>
  at System.Threading.Thread.StartUnsafe () <0x00071>
  at (wrapper runtime-invoke) object.runtime_invoke_void__this__ (object,intptr,intptr,intptr) <0xffffffff>

Native stacktrace:

 banshee() [0x4911ea]
 banshee() [0x4e064f]
 banshee() [0x41b187]
 /lib/x86_64-linux-gnu/libpthread.so.0(+0x10040) [0x7fb20bc6e040]
 /lib/x86_64-linux-gnu/libc.so.6(+0x82721) [0x7fb20b941721]
 banshee(mono_string_new+0x1c) [0x56178c]
 [0x408b918a]

Debug info from gdb:

Could not attach to process. If your uid matches the uid of the target
process, check the setting of /proc/sys/kernel/yama/ptrace_scope, or try
again as the root user. For more details, see /etc/sysctl.d/10-ptrace.conf
ptrace: Operation not permitted.
No threads.

=================================================================
Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================

[1]+ Aborted (core dumped) banshee