It must be Murphy, it just happens again and NOT in DOCKING MODE!
So I can exclude Docking Station issues...
Here an excerpt of syslog:
Aug 2 13:17:15 beyond-laptop kernel: [36410.082309] ftdi_sio 4-1:1.0: FTDI USB
Serial Device converter detected
Aug 2 13:17:15 beyond-laptop kernel: [36410.082353] usb 4-1: Detected FT8U232AM
Aug 2 13:17:15 beyond-laptop kernel: [36410.082434] usb 4-1: FTDI USB Serial
Device converter now attached to ttyUSB0
Aug 2 13:17:15 beyond-laptop NetworkManager: <info> (ttyUSB0): ignoring due
to lack of mobile broadband capabilties
Aug 2 13:20:01 beyond-laptop /USR/SBIN/CRON[10395]: (root) CMD ([ -x
/usr/sbin/update-motd ] && /usr/sbin/update-motd 2>/dev/null)
Aug 2 13:25:02 beyond-laptop /USR/SBIN/CRON[10568]: (root) CMD ([ -x
/usr/lib/sysstat/sa1 ] && { [ -r "$DEFAULT" ] && . "$DEFAULT" ; [ "$ENABLED" =
"true" ] && exec /usr/lib/sysstat/sa1 $SA1_OPTIONS 1 1 ; })
Aug 2 13:30:01 beyond-laptop /USR/SBIN/CRON[10677]: (root) CMD ([ -x
/usr/sbin/update-motd ] && /usr/sbin/update-motd 2>/dev/null)
Aug 2 13:30:33 beyond-laptop kernel: [37207.630925] ------------[ cut here
]------------
Aug 2 13:30:33 beyond-laptop kernel: [37207.630935] kernel BUG at
/build/buildd/linux-2.6.28/mm/slub.c:2743!
Aug 2 13:30:33 beyond-laptop kernel: [37207.630940] invalid opcode: 0000 [#1]
SMP
Aug 2 13:30:33 beyond-laptop kernel: [37207.630947] last sysfs file:
/sys/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda3/stat
Aug 2 13:30:33 beyond-laptop kernel: [37207.630954] Dumping ftrace buffer:
Aug 2 13:30:33 beyond-laptop kernel: [37207.630959] (ftrace buffer empty)
Aug 2 13:30:33 beyond-laptop kernel: [37207.630962] CPU 0
----------------------------------------
I connected a processor charging station via USB - FTDI USB Serial
Device converter.
I made report according to the AMD64 Java to serial already here:
https://bugs.launchpad.net/ubuntu/+source/rxtx/+bug/361635. That is
solved on my side, since I can connect the device over Java to serial
bridge successfully.
But it still seems to be quit instable on the level below that.
It did run stable on former Ubuntu versions 8.10 AMD64 and 8.4 AMD64.
I hope that rings a bell to someone.
all the best,
cue
--
2.6.28-11:ext4:hald:sys_open:security_file_alloc -> cascade of 'bugs' -> CPU
stopped
https://bugs.launchpad.net/bugs/348731
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