Re: 2.6.17-rc4-mm2

From: Andrew Morton
Date: Sun May 21 2006 - 18:02:35 EST

"Martin J. Bligh" <mbligh@xxxxxxxxxx> wrote:
> Panic on boot on 2-way PPC64
> Bad page state in process 'idle'
> page:c0000000010c3100 flags:0x0003300000000000 mapping:0000000000000000
> mapcount:0 count:0
> Trying to fix it up, but a reboot is needed
> Backtrace:
> Call Trace:
> [C0000000004CBB70] [C00000000000EEE8] .show_stack+0x74/0x1b4 (unreliable)
> [C0000000004CBC20] [C000000000098D04] .bad_page+0x80/0x134
> [C0000000004CBCB0] [C000000000099F28] .__free_pages_ok+0x134/0x280
> [C0000000004CBD70] [C00000000039C4F8] .free_all_bootmem_core+0x15c/0x320
> [C0000000004CBE50] [C0000000003923AC] .mem_init+0xc0/0x294
> [C0000000004CBEF0] [C000000000385700] .start_kernel+0x208/0x300
> [C0000000004CBF90] [C000000000008594] .start_here_common+0x88/0x8c

I dunno, Martin. I obviously need to resurrect the
takes-seven-minutes-to-boot pseries machine here, but I need to get -mm3
out without Mel's patches to see how much that fixes. So if you could test
-mm3 and if that fixes it then we have a likely culprit.
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