Re: Scrubbing free ram

[Bei Guan <gbtju85@gmail.com>]

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Dear Keir,

I've got the boot message of Xen4.0 on fedora11. It is as following.
_  __            _  _    ___   ___
 \ \/ /___ _ __   | || |  / _ \ / _ \
  \  // _ \ '_ \  | || |_| | | | | | |
  /  \  __/ | | | |__   _| |_| | |_| |
 /_/\_\___|_| |_|    |_|(_)___(_)___/

(XEN) Xen version 4.0.0 (root@) (gcc 版本 4.4.1 20090725 (Red Hat 4.4.1-2)
(GCC) ) Thu Apr 29 09:41:18 CST 2010
(XEN) Latest ChangeSet: unavailable
(XEN) Command line: console=com1,vga com1=9600,8n1
(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 1 MBR signatures
(XEN)  Found 1 EDD information structures
(XEN) Xen-e820 RAM map:
(XEN)  0000000000000000 - 000000000009a800 (usable)
(XEN)  00000000000f0000 - 0000000000100000 (reserved)
(XEN)  0000000000100000 - 00000000cfdffc00 (usable)
(XEN)  00000000cfdffc00 - 00000000cfe53c00 (ACPI NVS)
(XEN)  00000000cfe53c00 - 00000000cfe55c00 (ACPI data)
(XEN)  00000000cfe55c00 - 00000000d0000000 (reserved)
(XEN)  00000000e0000000 - 00000000f0000000 (reserved)
(XEN)  00000000fec00000 - 00000000fed00400 (reserved)
(XEN)  00000000fed20000 - 00000000feda0000 (reserved)
(XEN)  00000000fee00000 - 00000000fef00000 (reserved)
(XEN)  00000000ffb00000 - 0000000100000000 (reserved)
(XEN)  0000000100000000 - 0000000128000000 (usable)
(XEN) System RAM: 3936MB (4031228kB)
(XEN) ACPI: RSDP 000FEC00, 0024 (r2 DELL  )
(XEN) ACPI: XSDT 000FC7CB, 009C (r1 DELL    B10K          15 ASL        61)
(XEN) ACPI: FACP 000FC8FB, 00F4 (r3 DELL    B10K          15 ASL        61)
(XEN) ACPI: DSDT FFE9CFF8, 54AD (r1   DELL    dt_ex     1000 INTL 20050624)
(XEN) ACPI: FACS CFDFFC00, 0040
(XEN) ACPI: SSDT FFEA25C4, 00AA (r1   DELL    st_ex     1000 INTL 20050624)
(XEN) ACPI: APIC 000FC9EF, 0092 (r1 DELL    B10K          15 ASL        61)
(XEN) ACPI: BOOT 000FCA81, 0028 (r1 DELL    B10K          15 ASL        61)
(XEN) ACPI: ASF! 000FCAA9, 0096 (r32 DELL    B10K          15 ASL        61)
(XEN) ACPI: MCFG 000FCB3F, 003E (r1 DELL    B10K          15 ASL        61)
(XEN) ACPI: HPET 000FCB7D, 0038 (r1 DELL    B10K          15 ASL        61)
(XEN) ACPI: TCPA 000FCDD9, 0032 (r1 DELL    B10K          15 ASL        61)
(XEN) ACPI: DMAR 000FCE0B, 00D8 (r1 DELL    B10K          15 ASL        61)
(XEN) ACPI: SLIC 000FCBB5, 0176 (r1 DELL    B10K          15 ASL        61)
(XEN) ACPI: SSDT CFDFFC40, 01B7 (r1 DpgPmm  Cpu0Ist       11 INTL 20050624)
(XEN) ACPI: SSDT CFE00049, 01B7 (r1 DpgPmm  Cpu1Ist       11 INTL 20050624)
(XEN) ACPI: SSDT CFE00452, 01B7 (r1 DpgPmm  Cpu2Ist       11 INTL 20050624)
(XEN) ACPI: SSDT CFE0085B, 01B7 (r1 DpgPmm  Cpu3Ist       11 INTL 20050624)
(XEN) ACPI: SSDT CFE00C64, 0190 (r1 DpgPmm    CpuPm       10 INTL 20050624)
(XEN) Xen heap: 8MB (8852kB)
(XEN) Domain heap initialised
(XEN) Processor #0 7:7 APIC version 20
(XEN) Processor #1 7:7 APIC version 20
(XEN) Processor #2 7:7 APIC version 20
(XEN) Processor #3 7:7 APIC version 20
(XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI 0-23
(XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
(XEN) Using scheduler: SMP Credit Scheduler (credit)
(XEN) Detected 2660.072 MHz processor.
(XEN) Initing memory sharing.
(XEN) VMX: Supported advanced features:
(XEN)  - APIC MMIO access virtualisation
(XEN)  - APIC TPR shadow
(XEN)  - Virtual NMI
(XEN)  - MSR direct-access bitmap
(XEN) HVM: ASIDs disabled.
(XEN) HVM: VMX enabled
(XEN) xsave_init: cpu0: cntxt_max_size: 0x240 and states: 00000000:00000003
(XEN) xsave_init: using cntxt_size: 0x240 and states: 00000000:00000003
(XEN) Intel VT-d Snoop Control not supported.
(XEN) Intel VT-d DMA Passthrough not supported.
(XEN) Intel VT-d Queued Invalidation not supported.
(XEN) Intel VT-d Interrupt Remapping not supported.
(XEN) I/O virtualisation enabled
(XEN) I/O virtualisation for PV guests disabled
(XEN) xsave_init: cpu1: cntxt_max_size: 0x240 and states: 00000000:00000003
(XEN) xsave_init: cpu2: cntxt_max_size: 0x240 and states: 00000000:00000003
(XEN) xsave_init: cpu3: cntxt_max_size: 0x240 and states: 00000000:00000003
(XEN) Total of 4 processors activated.
(XEN) ENABLING IO-APIC IRQs
(XEN)  -> Using new ACK method
(XEN) checking TSC synchronization across 4 CPUs: passed.
(XEN) Platform timer is 14.318MHz HPET
(XEN) Brought up 4 CPUs
(XEN) *** LOADING DOMAIN 0 ***
(XEN)  Xen  kernel: 32-bit, PAE, lsb
(XEN)  Dom0 kernel: 32-bit, PAE, lsb, paddr 0x400000 -> 0xbfb000
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN)  Dom0 alloc.:   000000003c000000->000000003e000000 (960235 pages to be
allocated)
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN)  Loaded kernel: c0400000->c0bfb000
(XEN)  Init. ramdisk: c0bfb000->c1329e00
(XEN)  Phys-Mach map: c132a000->c16dbbac
(XEN)  Start info:    c16dc000->c16dc47c
(XEN)  Page tables:   c16dd000->c16ee000
(XEN)  Boot stack:    c16ee000->c16ef000
(XEN)  TOTAL:         c0000000->c1800000
(XEN)  ENTRY ADDRESS: c098d000
(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 136kB init memory.
mapping kernel into physical memory
about to get started...
(XEN) traps.c:2309:d0 Domain attempted WRMSR 000002ff from 00000000:00000c06
to 00000000:00000000.
(XEN) traps.c:2309:d0 Domain attempted WRMSR 00000277 from 00000501:00070406
to 00070106:00070106.


My grub.conf is:

title Xen(2.6.31.13)
    root (hd0,10)
    kernel /boot/xen.gz console=com1,vga com1=9600,8n1
    module /boot/vmlinuz-2.6.31.13 root=/dev/sda1 ro nomodeset
    module /boot/initrd-2.6.31.13.img

Would you give me more suggestions. Thank you.

Best wishes.
gavin







2010/4/28 Keir Fraser <keir.fraser@eu.citrix.com>

> Some other options: add noreboot to Xen command line and see if anything
> else does get printed before reboot. And/or connect a serial line and have
> Xen log to serial console and see if any other diagnostic messages are
> visible from that.
>
>  -- Keir
>
> On 28/04/2010 06:38, "Keir Fraser" <Keir.Fraser@eu.citrix.com> wrote:
>
> > Probably something to do with dom0 building then. I would try a different
> > dom0 kernel just to see if that works better. But probably there is a bug
> > here that a developer will need to be able to reproduce to fix.
> >
> >  -- Keir
> >
> > On 28/04/2010 14:35, "BEI GUAN" <gbtju85@gmail.com> wrote:
> >
> >> Hello Keir,
> >>
> >> Thank you very much for your reply. As you said, I just change my
> grub.conf
> >> as
> >> following. But it also did not work. The screen just stopped when
> message
> >> "(XEN) Dom0 has maximum 4 VCPUs" was printed, which is just before the
> >> message
> >> "Scrubbing Free RAM:". And then system reboot.
> >>
> >> title Xen-4.0 (Linux kernel 2.6.31.13)
> >>     root (hd0,10)
> >>     kernel /boot/xen-4.0.gz no-bootscrub dom0_mem=1024M loglvl=all
> >> guest_loglvl=all
> >>     module /boot/vmlinuz-2.6.31.13 root=/dev/sda1 ro nomodeset
> >>     module /boot/initrd-2.6.31.13.img
> >>
> >> Thank you. Best wishes.
> >>
> >> Gavin Guan
> >>
> >>
> >>
> >>
> >> 2010/4/28 Keir Fraser <keir.fraser@eu.citrix.com>
> >>> Do things work if you add no-bootscrub to the Xen command line?
> >>>
> >>>  -- Keir
> >>>
> >>> On 28/04/2010 13:49, "BEI GUAN" <gbtju85@gmail.com> wrote:
> >>>
> >>>> Dear Pasi,
> >>>>
> >>>> I have the same problem as ilish had when I installed xen 4.0 on
> fedora 11
> >>>> today. I rebooted the Xen. The screen just stopped at "Scrubbing Free
> >>>> RAM:",
> >>>> and then the computer reboot again. My grub.conf as following.
> >>>>
> >>>> title Xen-4.0 (Linux kernel 2.6.31.13)
> >>>>     root (hd0,10)
> >>>>     kernel /boot/xen-4.0.gz dom0_mem=1024M loglvl=all guest_loglvl=all
> >>>>     module /boot/vmlinuz-2.6.31.13 root=/dev/sda1 ro nomodeset
> >>>>     module /boot/initrd-2.6.31.13.img
> >>>>
> >>>> I also made "root=/dev/sda11" and "root=LABEL=/" and to try. However,
> I
> >>>> still
> >>>> doesn't work. Your any reply is appreciated.
> >>>>
> >>>> Thank you very much.
> >>>>
> >>>> Gavin Guan
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> 2010/4/23 Pasi Kärkkäinen <pasik@iki.fi>
> >>>>> On Thu, Apr 22, 2010 at 09:54:30PM +0000, ilish ilish wrote:
> >>>>>>    Hi everyone,
> >>>>>>
> >>>>>>    I am working on a project whose goal is evaluating the
> performance of
> >>>>>> the
> >>>>>>    vTPM Manager. For this project I am using Xen 4.1, Kernel
> 2.6.31.13
> >>>>>> with
> >>>>>>    Fedora11. I I finished all installation and configuration parts.
> Now I
> >>>>>>    need to boot the system with Xen but while booting, it is
> freezing at
> >>>>>> the
> >>>>>>    step "scrubbing free ram". What can be cause this problem and how
> can
> >>>>>> I
> >>>>>>    figure it out? I really appreciate if you can help me.
> >>>>>>
> >>>>>
> >>>>> Please paste your grub.conf.
> >>>>>
> >>>>> Also please check this wiki page:
> >>>>> http://wiki.xensource.com/xenwiki/XenSerialConsole
> >>>>>
> >>>>> and:
> >>>>> http://wiki.xensource.com/xenwiki/XenParavirtOps
> >>>>>
> >>>>> -- Pasi
> >>>>>
> >>>>>
> >>>>> _______________________________________________
> >>>>> Xen-devel mailing list
> >>>>> Xen-devel@lists.xensource.com
> >>>>> http://lists.xensource.com/xen-devel
> >>>>
> >>>>
> >>>
> >>>
> >>
> >>
> >
> >
> >
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@lists.xensource.com
> > http://lists.xensource.com/xen-devel
>
>
>

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