linux-kernel - [boot crash] Re: [PATCH -v2 3/6] x86, 64bit, numa: Put pgtable to local node memory

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Date:	Thu, 30 Dec 2010 11:28:15 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	David Rientjes <rientjes@...gle.com>,
	Yinghai Lu <yinghai@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org
Subject: [boot crash] Re: [PATCH -v2 3/6] x86, 64bit, numa: Put pgtable to
 local node memory


FYI, either the x86/numa or the x86/bootmem changes cause the early boot crash 
below. Config attached.

Thanks,

	Ingo

---------------->
Linux version 2.6.37-rc8-tip-01830-g7937b8c-dirty (mingo@...ius) (gcc version 4.5.1 20100924 (Red Hat 4.5.1-4) (GCC) ) #76886 SMP Thu Dec 30 12:12:49 CET 2010
BIOS-provided physical RAM map:
 BIOS-e820: 0000000000000000 - 000000000009f800 (usable)
 BIOS-e820: 000000000009f800 - 00000000000a0000 (reserved)
 BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
 BIOS-e820: 0000000000100000 - 000000003fff0000 (usable)
 BIOS-e820: 000000003fff0000 - 000000003fff3000 (ACPI NVS)
 BIOS-e820: 000000003fff3000 - 0000000040000000 (ACPI data)
 BIOS-e820: 00000000e0000000 - 00000000f0000000 (reserved)
 BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved)
bootconsole [earlyser0] enabled
debug: ignoring loglevel setting.
Notice: NX (Execute Disable) protection cannot be enabled: non-PAE kernel!
DMI 2.3 present.
DMI: A8N-E/System Product Name, BIOS ASUS A8N-E ACPI BIOS Revision 1008 08/22/2005
e820 update range: 0000000000000000 - 0000000000010000 (usable) ==> (reserved)
e820 remove range: 00000000000a0000 - 0000000000100000 (usable)
last_pfn = 0x3fff0 max_arch_pfn = 0x100000
MTRR default type: uncachable
MTRR fixed ranges enabled:
  00000-9FFFF write-back
  A0000-BFFFF uncachable
  C0000-C7FFF write-protect
  C8000-FFFFF uncachable
MTRR variable ranges enabled:
  0 base 0000000000 mask FFC0000000 write-back
  1 disabled
  2 disabled
  3 disabled
  4 disabled
  5 disabled
  6 disabled
  7 disabled
x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
Scan SMP from c0000000 for 1024 bytes.
Scan SMP from c009fc00 for 1024 bytes.
Scan SMP from c00f0000 for 65536 bytes.
found SMP MP-table at [c00f5680] f5680
  mpc: f1400-f152c
Scanning 0 areas for low memory corruption
initial memory mapped : 0 - 02800000
init_memory_mapping: 0000000000000000-00000000373fe000
 0000000000 - 0000400000 page 4k
 0000400000 - 0037000000 page 2M
 0037000000 - 00373fe000 page 4k
kernel direct mapping tables up to 373fe000 @ 27fa000-2800000
BUG: Int 6: CR2 00f06f53
     EDI c27fd000  ESI c27fd000  EBP c1b27f20  ESP c1b27ef0
     EBX ffc00000  EDX 00000006  ECX 00000010  EAX c27ff000
     err   (null)  EIP c1c01c79   CS 00000060  flg 00010087
Stack:   (null) c27fe000 c1db6ffc 000003ff c1db6ffc c1b27f74 00000003 373fe000
       c1b27f28 c1c01f9e c1b27f78 c17c85a8 00000002   (null)   (null) 000373fe
       373fe000 00000003   (null) 00400000   (null) 00400000 37000000 00000004
Pid: 0, comm: swapper Not tainted 2.6.37-rc8-tip-01830-g7937b8c-dirty #76886
Call Trace:
 [<c1809ad9>] ? hlt_loop+0x0/0xf
 [<c1c01c79>] ? page_table_range_init.clone.10+0x10c/0x157
 [<c1c01f9e>] ? early_ioremap_page_table_range_init+0x23/0x2a
 [<c17c85a8>] ? init_memory_mapping+0x2cb/0x34f
 [<c1bf8d86>] ? setup_arch+0x5d0/0x7c2
 [<c104b79e>] ? debug_check_no_locks_freed+0xf3/0x104
 [<c104b402>] ? lockdep_init_map+0x8a/0xf5
 [<c1bf74ce>] ? start_kernel+0x93/0x2bf
 [<c1bf7080>] ? i386_start_kernel+0x80/0x87
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View attachment "config" of type "text/plain" (69161 bytes)