Similar happens to me with a fresh install of Gutsy on a Dell Inspiron 9400 / E1705 with the latest BIOS.
When battery is critically low, no message is displayed and continues until battery is fully discharged and computers powers off.
uname -a:
Linux Vanquish 2.6.22-14-generic #1 SMP Sun Oct 14 23:05:12 GMT 2007 i686 GNU/Linux
Similar happens to me with a fresh install of Gutsy on a Dell Inspiron 9400 / E1705 with the latest BIOS.
When battery is critically low, no message is displayed and continues until battery is fully discharged and computers powers off.
uname -a:
Linux Vanquish 2.6.22-14-generic #1 SMP Sun Oct 14 23:05:12 GMT 2007 i686 GNU/Linux