On Mon, 23 Sep 2013, Steve Newcomb wrote:
> Lenovo X220. Mains power failure of about 1 second. Machine is powered
> by the optional usb-hub-including Lenovo power supply. An external
> keyboard was connected to that hub.
>
> We were asleep. In the morning we found the machine with the disk
>
Attached is the relevant portion of syslog, which said:
"please report the conditions when this event happened to
ibm-acpi-devel@lists.sourceforge.net"
uname -a reports: Linux sybil 3.5.0-40-generic #62-Ubuntu SMP Thu Aug 22
00:55:19 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
Ubuntu 12.10, fully up
