I have got the same problem on Maverick with latest Kernel release
$ uname -a
Linux cube64 2.6.35-25-generic #44-Ubuntu SMP Fri Jan 21 17:40:44 UTC 2011
x86_64 GNU/Linux
sysinfo fails with a Null reference
$ sysinfo
Exception in Gtk# callback delegate
Note: Applications can use GLib.ExceptionManager.UnhandledException to handle
the exception.
System.NullReferenceException: Object reference not set to an instance of an
object
at Sysinfo.SystemInfo.Xorg () [0x00000] in <filename unknown>:0
at Sysinfo.Sysinfo.on_notebook1_switch_page (System.Object o,
Gtk.SwitchPageArgs e) [0x00000] in <filename unknown>:0
at Gtk.Notebook.SwitchPageSignalCallback (IntPtr arg0, IntPtr arg1, UInt32
arg2, IntPtr gch) [0x00000] in <filename unknown>:0
at GLib.ExceptionManager.RaiseUnhandledException(System.Exception e, Boolean
is_terminal)
at Gtk.Notebook.SwitchPageSignalCallback(IntPtr arg0, IntPtr arg1, UInt32
arg2, IntPtr gch)
at Gtk.Notebook.gtk_notebook_set_current_page(IntPtr , Int32 )
at Gtk.Notebook.set_CurrentPage(Int32 value)
at Sysinfo.Sysinfo..ctor(System.String[] args)
at Sysinfo.Sysinfo.Main(System.String[] args)
As far I can see sysinfo is getting a segmenation fault while reading NVidia
log files. I cannot explain why.
Here is an excerpt from strace
open("/var/log/Xorg.0.log", O_RDONLY) = 18
fstat(18, {st_mode=S_IFREG|0644, st_size=16831, ...}) = 0
semop(229377, {{3, -1, SEM_UNDO}}, 1) = 0
semop(229377, {{2, -1, SEM_UNDO}}, 1) = 0
semop(229377, {{2, 1, SEM_UNDO}}, 1) = 0
semop(229377, {{3, 1, SEM_UNDO}}, 1) = 0
semop(229377, {{2, -1, SEM_UNDO}}, 1) = 0
semop(229377, {{2, 1, SEM_UNDO}}, 1) = 0
fstat(18, {st_mode=S_IFREG|0644, st_size=16831, ...}) = 0
read(18, "[ 13.034] \nX.Org X Server 1.9"..., 8192) = 8192
read(18, " 13.639] (II) NVIDIA(0): Assign"..., 8192) = 8192
read(18, "ut: 200\n[ 14.020] (II) XINPUT"..., 8192) = 447
read(18, "", 8192) = 0
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
rt_sigreturn(0x7fff33473b18) = 0
semop(229377, {{2, -1, SEM_UNDO}}, 1) = 0
semop(229377, {{2, 1, SEM_UNDO}}, 1) = 0
The strace output is attached.
HTH
Cheers,
Andrea
** Attachment added: "strace output"
https://bugs.launchpad.net/ubuntu/+source/sysinfo/+bug/633068/+attachment/1872817/+files/strace.sysinfo.out
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https://bugs.launchpad.net/bugs/633068
Title:
sysinfo crashes on startup
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