On 08/08/06, Andrew Morton <[email protected]> wrote:
On Tue, 8 Aug 2006 22:29:03 +0200
"Michal Piotrowski" <[email protected]> wrote:
> Hi Andrew,
>
> On 08/08/06, [email protected] <[email protected]> wrote:
> > The mm snapshot broken-out-2006-08-08-00-59.tar.gz has been uploaded to
> >
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/mm/broken-out-2006-08-08-00-59.tar.gz
> >
> > It contains the following patches against 2.6.18-rc4:
>
> It appears very early. 2.6.18-rc3-mm2 was fine.
>
> DWARF2 unwinder stuck at error_code+0x39/0x40
The novelty of this thing has worn off. Guys, please let's not release 2.6.18 in
this state.
> Leftover inexact backtrace
> [<c0104194>] show_stack_log_lvl+0x8c/0x97
> [<c0104320>] show_registers+0x181/0x215
> [<c0104576>] die+0x1c2/0x2dd
> [<c0117419>] do_page_fault+ox410/0x4f3
> [<c02f5271>] error_code+0x39/0x40
> [<c0104194>] show_stack_log_lvl+0x8c/0x97
> [<c0104320>] show_registers+0x181/0x215
> [<c0104576>] die+0x1c2/0x2dd
> [<c0117419>] do_page_fault+0x410/0x4f3
> [<c02f5271>] error_code+0x39/0x40
> [<c047b609>] start_kernel+0x224/0x3a2
> [<c0100210>] 0xc0100210
> Code: 00 39 .......
> EIP:[<c01040ca>] show_trace_log_lvl+0x11b/0x159 SS:ESP 0068:c0479e74
> <0> Kernel panic - not syncing: Attempted to kill idle task!
>
> http://www.stardust.webpages.pl/files/mm/2.6.18-rc4-mm1/mm-config
>
So I guess the dwarf unwinder oopsed and wrecked our oops. Perhaps you'll
get better info with CONFIG_UNWIND_INFO=n, CONFIG_STACK_UNWIND=n.
Now, _perhaps_ it oopsed at "[<c047b609>] start_kernel+0x224/0x3a2".
eghm... typo.
[<c047d609>]
You
can look these things up in gdb or using addr2line, provided you have
CONFIG_DEBUG_INFO=y.
(gdb) list *0xc047d609
0xc047d609 is in start_kernel (/usr/src/linux-work1/init/main.c:577).
572 cpuset_init_early();
573 mem_init();
574 kmem_cache_init();
575 setup_per_cpu_pageset();
576 numa_policy_init();
577 if (late_time_init)
578 late_time_init();
579 calibrate_delay();
580 pidmap_init();
581 pgtable_cache_init();
Regards,
Michal
--
Michal K. K. Piotrowski
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/wiki/)
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