Re: INIT dumps broken?

From: Keith Owens <kaos_at_sgi.com>
Date: 2004-09-15 17:16:47
On Tue, 14 Sep 2004 07:50:55 -0700, 
David Mosberger <davidm@napali.hpl.hp.com> wrote:
>I noticed that with kernel v2.6.9-rc1 INIT dumps appear not to work
>anymore.  The machine just hangs, without ever (visibly) control
>reaching the OS INIT handler.  v2.6.7-rc3 was OK.  Anybody know what
>broke?

cpu 0 is using init_task's original address.

2.6.7-rc3, kdb ps A

Task Addr               Pid   Parent [*] cpu State Thread             Command
0xe0000430148dc000        0        0  1    0   I  0xe0000430148dc4b0 *swapper
0xe00004b43be70000        0        1  1    1   I  0xe00004b43be704b0  swapper
0xe00004b43bd68000        0        1  1    2   I  0xe00004b43bd684b0  swapper
0xe0000430067b0000        0        1  1    3   I  0xe0000430067b04b0  swapper

2.6.8.1, kdb ps A

Task Addr               Pid   Parent [*] cpu State Thread             Command
0xa0000001008e8000        0        0  1    0   I  0xa0000001008e84d0 *swapper   <===
0xe00004b43bd38000        0        1  1    1   I  0xe00004b43bd384d0  swapper
0xe00004b43bd00000        0        1  1    2   I  0xe00004b43bd004d0  swapper
0xe00004b0037e0000        0        1  1    3   I  0xe00004b0037e04d0  swapper

The use of 0xa.. for cpu 0 is causing an MCA when cpu 0 receives INIT.

-
To unsubscribe from this list: send the line "unsubscribe linux-ia64" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Received on Wed Sep 15 03:17:07 2004

This archive was generated by hypermail 2.1.8 : 2005-08-02 09:20:30 EST