From: Conny Seidel <conny.seidel@amd.com>
To: Yinghai Lu <yinghai@kernel.org>
Cc: "Petkov, Borislav" <Borislav.Petkov@amd.com>,
Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>,
Andrew Morton <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: unable to handle kernel paging request at 40000000 __alloc_memory_core_early+0x147/0x1d6
Date: Fri, 9 Jul 2010 22:42:31 +0200 [thread overview]
Message-ID: <20100709224231.5736113b@marah.osrc.amd.com> (raw)
In-Reply-To: <4C37841F.4030500@kernel.org>
[-- Attachment #1.1: Type: text/plain, Size: 1826 bytes --]
On Fri, 9 Jul 2010 16:18:39 -0400
Yinghai Lu <yinghai@kernel.org> wrote:
>On 07/09/2010 12:52 PM, Conny Seidel wrote:
>> Hi,
>>
>> On Fri, 9 Jul 2010 15:08:52 -0400
>> Yinghai Lu <yinghai@kernel.org> wrote:
>>
>>> On 07/09/2010 07:54 AM, Borislav Petkov wrote:
>>>> Hi,
>>>>
>>>> this is something we're getting during testing on one of our boxes
>>>> here, a dual socket Magny-Cours machine. It is oopsing on the addr
>>>> variable in __alloc_memory_core_early() after converting it to a
>>>> virtual address in order to clear the mem region at it. I've
>>>> removed the "#if 0.. #endif" around the printk which dumps the
>>>> ranges in the early node map for more info.
>>>>
>>>> It's latest -git, 32bit build, config is attached.
>>>>
>>>
>>> can not duplicate on all my setup.
>>>
>>> but look at the code there is limit problem with 32 bit...
>>>
>>> please check if it will fix the problem.
>>>
>>> and we will need to rebase early_res to memblock patchset.
>>>
>>> Thanks
>>>
>>> Yinghai Lu
>>>
>>
>> I'm sorry but the patch isn't working.
<snip>
>can you send out boot log from start?
>
>YH
>
Sure. see the complete log in the attached file.
Conny
##
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[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1.2: boot.log --]
[-- Type: text/x-log, Size: 6863 bytes --]
root (hd0,1)
Filesystem type is ext2fs, partition type 0x83
kernel /boot/vmlinuz-2.6.35-rc4+ root=/dev/sda2 console=ttyS0,115200 ip=dhcp ar
temis_host=bancroft earlyprintk=serial,ttyS0,115200
[Linux-bzImage, setup=0x3400, size=0xff6e80]
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Linux version 2.6.35-rc4+ (root@hernando) (gcc version 4.1.2 20070115 (SUSE Linux)) #3 SMP Fri Jul 9 22:24:53 CEST 2010
[ 0.000000] BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: 0000000000000000 - 0000000000088c00 (usable)
[ 0.000000] BIOS-e820: 0000000000088c00 - 00000000000a0000 (reserved)
[ 0.000000] BIOS-e820: 00000000000cc000 - 0000000000100000 (reserved)
[ 0.000000] BIOS-e820: 0000000000100000 - 00000000c7e60000 (usable)
[ 0.000000] BIOS-e820: 00000000c7e60000 - 00000000c7e6b000 (ACPI data)
[ 0.000000] BIOS-e820: 00000000c7e6b000 - 00000000c7e6d000 (ACPI NVS)
[ 0.000000] BIOS-e820: 00000000c7e6d000 - 00000000c7eff000 (reserved)
[ 0.000000] BIOS-e820: 00000000c7f00000 - 00000000c8000000 (reserved)
[ 0.000000] BIOS-e820: 00000000e0000000 - 00000000f0000000 (reserved)
[ 0.000000] BIOS-e820: 00000000fec00000 - 00000000fec10000 (reserved)
[ 0.000000] BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
[ 0.000000] BIOS-e820: 00000000fff00000 - 0000000100000000 (reserved)
[ 0.000000] BIOS-e820: 0000000100000000 - 0000000238000000 (usable)
[ 0.000000] bootconsole [earlyser0] enabled
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] DMI present.
[ 0.000000] Phoenix BIOS detected: BIOS may corrupt low RAM, working around it.
[ 0.000000] last_pfn = 0x238000 max_arch_pfn = 0x1000000
[ 0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
[ 0.000000] Scanning 0 areas for low memory corruption
[ 0.000000] modified physical RAM map:
[ 0.000000] modified: 0000000000000000 - 0000000000010000 (reserved)
[ 0.000000] modified: 0000000000010000 - 0000000000088c00 (usable)
[ 0.000000] modified: 0000000000088c00 - 00000000000a0000 (reserved)
[ 0.000000] modified: 00000000000cc000 - 0000000000100000 (reserved)
[ 0.000000] modified: 0000000000100000 - 00000000c7e60000 (usable)
[ 0.000000] modified: 00000000c7e60000 - 00000000c7e6b000 (ACPI data)
[ 0.000000] modified: 00000000c7e6b000 - 00000000c7e6d000 (ACPI NVS)
[ 0.000000] modified: 00000000c7e6d000 - 00000000c7eff000 (reserved)
[ 0.000000] modified: 00000000c7f00000 - 00000000c8000000 (reserved)
[ 0.000000] modified: 00000000e0000000 - 00000000f0000000 (reserved)
[ 0.000000] modified: 00000000fec00000 - 00000000fec10000 (reserved)
[ 0.000000] modified: 00000000fee00000 - 00000000fee01000 (reserved)
[ 0.000000] modified: 00000000fff00000 - 0000000100000000 (reserved)
[ 0.000000] modified: 0000000100000000 - 0000000238000000 (usable)
[ 0.000000] found SMP MP-table at [c00f72a0] f72a0
[ 0.000000] init_memory_mapping: 0000000000000000-00000000375fe000
[ 0.000000] ACPI: RSDP 000f7220 00024 (v02 PTLTD )
[ 0.000000] ACPI: XSDT c7e60915 0009C (v01 PTLTD ? XSDT 06040000 LTP 00000000)
[ 0.000000] ACPI: FACP c7e66d6a 000F4 (v03 AMD Dinar 06040000 AMD 000F4240)
[ 0.000000] ACPI: DSDT c7e609b1 063B9 (v02 AMD SB700 06040000 MSFT 03000000)
[ 0.000000] ACPI: FACS c7e6cfc0 00040
[ 0.000000] ACPI: TCPA c7e66ed2 00032 (v02 AMD 06040000 PTEC 00000000)
[ 0.000000] ACPI: IVRS c7e66f04 000A8 (v01 AMD RD890S 06040000 AMD 00000000)
[ 0.000000] ACPI: EINJ c7e66fac 001B0 (v01 PTL WHEAPTL 06040000 PTL 00000001)
[ 0.000000] ACPI: HEST c7e6715c 002AC (v01 PTL WHEAPTL 06040000 PTL 00000001)
[ 0.000000] ACPI: BERT c7e67408 00030 (v01 PTL WHEAPTL 06040000 PTL 00000001)
[ 0.000000] ACPI: SSDT c7e67438 000E1 (v01 wheaos wheaosc 06040000 INTL 20050624)
[ 0.000000] ACPI: ERST c7e67519 00270 (v01 PTL WHEAPTL 06040000 PTL 00000001)
[ 0.000000] ACPI: SLIT c7e67789 0003C (v01 AMD F10 06040000 AMD 00000001)
[ 0.000000] ACPI: SRAT c7e677c5 002A0 (v02 AMD F10 06040000 AMD 00000001)
[ 0.000000] ACPI: SSDT c7e67a65 03294 (v01 AMD POWERNOW 06040000 AMD 00000001)
[ 0.000000] ACPI: SSDT c7e6acf9 000F5 (v01 AMD-K8 AMD-ACPI 06040000 AMD 00000001)
[ 0.000000] ACPI: APIC c7e6adee 0019E (v01 PTLTD ? APIC 06040000 LTP 00000000)
[ 0.000000] ACPI: MCFG c7e6af8c 0003C (v01 PTLTD MCFG 06040000 LTP 00000000)
[ 0.000000] ACPI: HPET c7e6afc8 00038 (v01 PTLTD HPETTBL 06040000 LTP 00000001)
[ 0.000000] Reserving total of 4c00 pages for numa KVA remap
[ 0.000000] kva_start_pfn ~ 32800 max_low_pfn ~ 375fe
[ 0.000000] max_pfn = 238000
[ 0.000000] 8202MB HIGHMEM available.
[ 0.000000] 885MB LOWMEM available.
[ 0.000000] mapped low ram: 0 - 375fe000
[ 0.000000] low ram: 0 - 375fe000
[ 0.000000] sparse_early_mem_map_alloc: sparsemem memory map backing failed some memory will not be available.
[ 0.000000] Zone PFN ranges:
[ 0.000000] DMA 0x00000010 -> 0x00001000
[ 0.000000] Normal 0x00001000 -> 0x000375fe
[ 0.000000] HighMem 0x000375fe -> 0x00238000
[ 0.000000] Movable zone start PFN for each node
[ 0.000000] early_node_map[6] active PFN ranges
[ 0.000000] 0: 0x00000010 -> 0x00000088
[ 0.000000] 0: 0x00000100 -> 0x0007ee00
[ 0.000000] 1: 0x00080000 -> 0x000c7e60
[ 0.000000] 1: 0x00100000 -> 0x00136a00
[ 0.000000] 2: 0x00138000 -> 0x001b6e00
[ 0.000000] 3: 0x001b8000 -> 0x00236e00
[ 0.000000] BUG: Int 6: CR2 (null)
[ 0.000000] EDI 00000005 ESI f3a00800 EBP c2837ed4 ESP c2837e94
[ 0.000000] EBX 00000001 EDX 00000006 ECX (null) EAX (null)
[ 0.000000] err (null) EIP c2cefab5 CS 00000060 flg 00010046
[ 0.000000] Stack: fffffff4 (null) f3a00000 000b6a00 00000005 00080000 00000001 00000002
[ 0.000000] 00000002 00000001 00000002 f3a00000 c2837f04 c2c8dccb (null) c2837f04
[ 0.000000] 00000004 001fb1d8 c34e67a0 (null) 00000004 fffba000 (null) c2837f1c
[ 0.000000] Pid: 0, comm: swapper Not tainted 2.6.35-rc4+ #3
[ 0.000000] Call Trace:
[ 0.000000] [<c222ee55>] hlt_loop+0x0/0x3
[ 0.000000] [<c2cefab5>] ? free_area_init_node+0x641/0x6c4
[ 0.000000] [<c2c8dccb>] free_area_init_nodes+0xa0a/0xb27
[ 0.000000] [<c2c7916c>] paging_init+0x1bc/0x1df
[ 0.000000] [<c2c55b0b>] setup_arch+0x1826/0x1a38
[ 0.000000] [<c2c822be>] ? __reserve_early+0x17e/0x19a
[ 0.000000] [<c112cea4>] ? init_cgroup_css+0xd5/0x110
[ 0.000000] [<c2c4c50e>] start_kernel+0x1d1/0xc42
[ 0.000000] [<c2c4b1d9>] i386_start_kernel+0x1d9/0x1ef
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 198 bytes --]
next prev parent reply other threads:[~2010-07-09 20:37 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-09 14:54 BUG: " Borislav Petkov
2010-07-09 19:08 ` Yinghai Lu
2010-07-09 19:52 ` Conny Seidel
2010-07-09 20:18 ` Yinghai Lu
2010-07-09 20:42 ` Conny Seidel [this message]
2010-07-09 22:07 ` Yinghai Lu
2010-07-09 23:51 ` Conny Seidel
2010-07-10 1:03 ` Yinghai Lu
2010-07-10 8:14 ` Conny Seidel
2010-07-10 18:40 ` [PATCH -v3] x86,nobootmem: make alloc_bootmem_node fall back to other node when 32bit numa are used Yinghai Lu
2010-07-20 18:35 ` Yinghai Lu
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