http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60624
--- Comment #3 from Waldemar Brodkorb <wbx at openadk dot org> ---
same problem exist with gcc 4.8 git branch:
Linux version 3.13.6 (wbx@kop-brodkorbw) (gcc version 4.8.3 20140317
(prerelease) (GCC) ) #19 Sun Mar 23 19:23:11 CET 2014
bootconsole [earlyprom0] enabled
ARCH: SUN4M
TYPE: SPARCstation 5
Ethernet address: 52:54:00:12:34:56
OF stdout device is: /obio/zs@0,100000:a
PROM: Built device tree with 22213 bytes of memory.
Booting Linux...
Power off control detected.
Unable to handle kernel NULL pointer dereference
tsk->{mm,active_mm}->context = ffffffff
tsk->{mm,active_mm}->pgd = fc000000
\|/ ____ \|/
"@'/ ,. \`@"
/_| \__/ |_\
\__U_/
swapper(0): Oops [#1]
