local_irq_enable() problem...
Hollis Blanchard
hollisb at us.ibm.com
Wed Jan 21 02:55:27 EST 2004
On Jan 20, 2004, at 7:34 AM, Etsushi Kato wrote:
>
> In the early boot sequence, 2.6 kernel freezes just after showing
> 'arch_exit' on the screen, and 'Console: colour dummy device 80x25' on
> the serial console. Even if I put printk() right after
> local_irq_enable() in init/main.c, this debug print won't show up. So
> it seems something causes kernel hang while enabling MSR_EE bit, but I
> can't figure out how to detect... Does anyone have a clue?
Perhaps you have an irq that won't shut up? Or maybe a problem
returning from an exception handler (I'm assuming you have your own
head.S).
--
Hollis Blanchard
IBM Linux Technology Center
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
More information about the Linuxppc-dev
mailing list