EEEPC(1215t) hang on with Caplock led blinking in Debian Wheezy.

This symptom is because of kernel panic crashing with wireless module.

# lspci
...

02:00.0 Network controller: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller (rev 01)

...

As you can see, my wireless card is named as "BCM4313 802.11b/g/n Wireless LAN".

Googling provides that it is necessary to upgrade linux-kernel as 3.0.x.