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

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