From: Anthony Wright <anthony@overnetdata.com>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: dmidecode doesn't work under xen 4.1.1 on certain hardware
Date: Mon, 26 Sep 2011 15:48:52 +0100 [thread overview]
Message-ID: <4E8090D4.2090009@overnetdata.com> (raw)
In-Reply-To: <20110926141322.GD4102@phenom.oracle.com>
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On 26/09/2011 15:13, Konrad Rzeszutek Wilk wrote:
> On Fri, Sep 23, 2011 at 03:49:47PM +0100, Anthony Wright wrote:
>> On 23/09/2011 14:32, Konrad Rzeszutek Wilk wrote:
>>> On Fri, Sep 23, 2011 at 12:22:04PM +0100, Anthony Wright wrote:
>>>> I have a xen 4.1.1 with a 3.0.4 linux kernel running on a Supermicro
>>>> Supermicro X8DTL-iF motherboard with 16GB of RAM.
>>>>
>>>> If I run the 3.0.4 kernel on the bare metal dmidecode works fine. If I
>>> Can you attach the beginning of the kernel bootup log? It should
>>> have some entry about 1-1 mappings. Make sure to run Linux with "debug loglevel=8"
>> Please find attached.
>> 2011 Sep 23 14:45:41 kernel: [ 0.000000] 1-1 mapping on 9a->100
>> 2011 Sep 23 14:45:41 kernel: [ 0.000000] 1-1 mapping on bf780->100000
>> 2011 Sep 23 14:45:41 kernel: [ 0.000000] Set 264422 page(s) to 1-1 mapping.
>> 2011 Sep 23 14:45:41 kernel: [ 0.000000] BIOS-provided physical RAM map:
>> 2011 Sep 23 14:45:41 kernel: [ 0.000000] Xen: 0000000000000000 - 0000000000099000 (usable)
>> 2011 Sep 23 14:45:41 kernel: [ 0.000000] Xen: 0000000000099800 - 0000000000100000 (reserved)
> .. snip..
>
> So 99C00 is right at cusp of 'usuable' and 'reserved'. Meaning that region
> falls within the 4KB page. And we did not set the 1-1 mapping for 99 (we
> started at 9A).
>
> But now that I think of it - this is Linux E820 which does get modified.
> Can you also provide the hypervisor E820 output? You can get 'xl dmesg'
> for that. That should provide the "virgin" output of the e820 which we
> use for 1-1 mapping.
I'm not quite sure I understand all that, but I think you would find the
xl dmesg output helpful, so I've attached it.
[-- Attachment #2: dmidecode-fails-xl-dmesg.log --]
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__ __ _ _ _ _
\ \/ /___ _ __ | || | / | / |
\ // _ \ '_ \ | || |_ | | | |
/ \ __/ | | | |__ _|| |_| |
/_/\_\___|_| |_| |_|(_)_(_)_|
(XEN) Xen version 4.1.1 (@[unknown]) (gcc version 4.4.3 (GCC) ) Wed Sep 21 08:25:36 GMT 2011
(XEN) Latest ChangeSet: unavailable
(XEN) Bootloader: GNU GRUB 0.97
(XEN) Command line:
(XEN) Video information:
(XEN) VGA is text mode 80x25, font 8x16
(XEN) VBE/DDC methods: V2; EDID transfer time: 1 seconds
(XEN) Disc information:
(XEN) Found 4 MBR signatures
(XEN) Found 4 EDD information structures
(XEN) WARNING: Only the first 16 GB of the physical memory map can be accessed by Xen in 32-bit mode.
(XEN) Truncating RAM from 17825792kB to 16777216kB
(XEN) Xen-e820 RAM map:
(XEN) 0000000000000000 - 0000000000099800 (usable)
(XEN) 0000000000099800 - 00000000000a0000 (reserved)
(XEN) 00000000000e4000 - 0000000000100000 (reserved)
(XEN) 0000000000100000 - 00000000bf780000 (usable)
(XEN) 00000000bf78e000 - 00000000bf790000 type 9
(XEN) 00000000bf790000 - 00000000bf79e000 (ACPI data)
(XEN) 00000000bf79e000 - 00000000bf7d0000 (ACPI NVS)
(XEN) 00000000bf7d0000 - 00000000bf7e0000 (reserved)
(XEN) 00000000bf7ec000 - 00000000c0000000 (reserved)
(XEN) 00000000e0000000 - 00000000f0000000 (reserved)
(XEN) 00000000fee00000 - 00000000fee01000 (reserved)
(XEN) 00000000ffc00000 - 0000000100000000 (reserved)
(XEN) 0000000100000000 - 0000000400000000 (usable)
(XEN) 0000000400000000 - 0000000440000000 (unusable)
(XEN) System RAM: 15351MB (15719524kB)
(XEN) ACPI: RSDP 000FABE0, 0024 (r2 ACPIAM)
(XEN) ACPI: XSDT BF790100, 007C (r1 SMCI 20110105 MSFT 97)
(XEN) ACPI: FACP BF790290, 00F4 (r3 010511 FACP1122 20110105 MSFT 97)
(XEN) ACPI: DSDT BF7906A0, 655C (r1 10006 10006000 0 INTL 20051117)
(XEN) ACPI: FACS BF79E000, 0040
(XEN) ACPI: APIC BF790390, 011E (r1 010511 APIC1122 20110105 MSFT 97)
(XEN) ACPI: MCFG BF7904B0, 003C (r1 010511 OEMMCFG 20110105 MSFT 97)
(XEN) ACPI: SLIT BF7904F0, 0030 (r1 010511 OEMSLIT 20110105 MSFT 97)
(XEN) ACPI: OEMB BF79E040, 0085 (r1 010511 OEMB1122 20110105 MSFT 97)
(XEN) ACPI: HPET BF79A6A0, 0038 (r1 010511 OEMHPET 20110105 MSFT 97)
(XEN) ACPI: SSDT BF79EFB0, 0363 (r1 DpgPmm CpuPm 12 INTL 20051117)
(XEN) ACPI: EINJ BF79A6E0, 0130 (r1 AMIER AMI_EINJ 20110105 MSFT 97)
(XEN) ACPI: BERT BF79A870, 0030 (r1 AMIER AMI_BERT 20110105 MSFT 97)
(XEN) ACPI: ERST BF79A8A0, 01B0 (r1 AMIER AMI_ERST 20110105 MSFT 97)
(XEN) ACPI: HEST BF79AA50, 00A8 (r1 AMIER ABC_HEST 20110105 MSFT 97)
(XEN) Xen heap: 9MB (9788kB)
(XEN) Domain heap initialised
(XEN) Processor #0 7:10 APIC version 21
(XEN) Processor #2 7:10 APIC version 21
(XEN) Processor #4 7:10 APIC version 21
(XEN) Processor #6 7:10 APIC version 21
(XEN) IOAPIC[0]: apic_id 1, version 32, address 0xfec00000, GSI 0-23
(XEN) IOAPIC[1]: apic_id 3, version 32, address 0xfec8a000, GSI 24-47
(XEN) Enabling APIC mode: Flat. Using 2 I/O APICs
(XEN) ERST table is invalid
(XEN) Using scheduler: SMP Credit Scheduler (credit)
(XEN) Detected 2266.797 MHz processor.
(XEN) I/O virtualisation disabled
(XEN) ENABLING IO-APIC IRQs
(XEN) -> Using new ACK method
(XEN) Platform timer is 14.318MHz HPET
(XEN) Allocated console ring of 16 KiB.
(XEN) VMX: Supported advanced features:
(XEN) - APIC MMIO access virtualisation
(XEN) - APIC TPR shadow
(XEN) - Extended Page Tables (EPT)
(XEN) - Virtual-Processor Identifiers (VPID)
(XEN) - Virtual NMI
(XEN) - MSR direct-access bitmap
(XEN) EPT supports 2MB super page.
(XEN) HVM: ASIDs enabled.
(XEN) HVM: VMX enabled
(XEN) HVM: Hardware Assisted Paging detected.
(XEN) Brought up 4 CPUs
(XEN) *** LOADING DOMAIN 0 ***
(XEN) Xen kernel: 32-bit, PAE, lsb
(XEN) Dom0 kernel: 32-bit, PAE, lsb, paddr 0x1000000 -> 0x1b38000
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN) Dom0 alloc.: 00000003f0000000->00000003f4000000 (3848297 pages to be allocated)
(XEN) Init. ramdisk: 00000003ff6ef000->00000003fffffca4
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN) Loaded kernel: c1000000->c1b38000
(XEN) Init. ramdisk: c1b38000->c2448ca4
(XEN) Phys-Mach map: c2449000->c33095e8
(XEN) Start info: c330a000->c330a47c
(XEN) Page tables: c330b000->c332a000
(XEN) Boot stack: c332a000->c332b000
(XEN) TOTAL: c0000000->c3400000
(XEN) ENTRY ADDRESS: c173e000
(XEN) Dom0 has maximum 4 VCPUs
(XEN) Scrubbing Free RAM: .done.
(XEN) Xen trace buffers: disabled
(XEN) Std. Loglevel: Errors and warnings
(XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings)
(XEN) Xen is relinquishing VGA console.
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to Xen)
(XEN) Freed 188kB init memory.
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next prev parent reply other threads:[~2011-09-26 14:48 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-23 11:22 dmidecode doesn't work under xen 4.1.1 on certain hardware Anthony Wright
2011-09-23 13:32 ` Konrad Rzeszutek Wilk
2011-09-23 14:49 ` Anthony Wright
2011-09-26 14:13 ` Konrad Rzeszutek Wilk
2011-09-26 14:48 ` Anthony Wright [this message]
2011-09-26 19:37 ` Konrad Rzeszutek Wilk
2011-09-28 9:08 ` Anthony Wright
2011-09-28 13:28 ` Konrad Rzeszutek Wilk
2011-09-28 16:07 ` Anthony Wright
2011-09-28 16:32 ` Konrad Rzeszutek Wilk
2011-09-28 17:02 ` David Vrabel
2011-10-04 12:19 ` Anthony Wright
2011-10-05 15:16 ` Konrad Rzeszutek Wilk
2011-10-06 12:53 ` Anthony Wright
2011-10-06 16:07 ` Konrad Rzeszutek Wilk
2011-10-10 15:25 ` Anthony Wright
2011-10-10 16:15 ` Konrad Rzeszutek Wilk
2011-10-10 16:18 ` Konrad Rzeszutek Wilk
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