Re: Bad clock ticking in xen0

[Tomas Kouba <tomas@jikos.cz>]

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Ian Pratt wrote:

> > > Please can you try putting 'lapic' on the grub xen command 
>  
>
>>line. Haing 
>>    
>>
>>>the dom0 dmesg output would be useful too.
>>>      
>>>
>>I have trie lapic and nlapic with no noticable difference.
>>Dmesg outupts for both attached.
>>    
>>
>
>Hmm, shame this didn't work.
>
>I'd have been interested to see the "xm dmesg" output from the "lapic"
>case. 
>  
>
Attached.
The lines

(XEN) Local APIC disabled by BIOS -- you can enable it with "lapic"
(XEN) Local APIC not detected. Using dummy APIC emulation

are a bit strange for me. The BIOS is quite simple PheonixBIOS with no 
options regarding APIC.
lapic kernel parameter was *surely* used

-- 
Tomas Kouba


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 __  __            _____  ___   ___  
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  \  // _ \ '_ \    |_ \| | | | | | |
  /  \  __/ | | |  ___) | |_| | |_| |
 /_/\_\___|_| |_| |____(_)___(_)___/ 
                                     
 http://www.cl.cam.ac.uk/netos/xen
 University of Cambridge Computer Laboratory

 Xen version 3.0.0 (rread@eng.hq.xensource.com) (gcc version 4.0.1 20050727 (Red Hat 4.0.1-5)) Tue Dec 13 15:49:56 PST 2005
 Latest ChangeSet: unavailable 

(XEN) Physical RAM map:
(XEN)  0000000000000000 - 000000000009e800 (usable)
(XEN)  000000000009e800 - 00000000000a0000 (reserved)
(XEN)  00000000000c0000 - 00000000000cc000 (reserved)
(XEN)  00000000000dc000 - 0000000000100000 (reserved)
(XEN)  0000000000100000 - 000000000eef0000 (usable)
(XEN)  000000000eef0000 - 000000000eeff000 (ACPI data)
(XEN)  000000000eeff000 - 000000000ef00000 (ACPI NVS)
(XEN)  000000000ef00000 - 000000000f000000 (usable)
(XEN)  00000000fff80000 - 0000000100000000 (reserved)
(XEN) System RAM: 239MB (245304kB)
(XEN) Xen heap: 10MB (10652kB)
(XEN) PAE disabled.
(XEN) DMI 2.3 present.
(XEN) Using APIC driver default
(XEN) ACPI: RSDP (v000 PTLTD                                 ) @ 0x000f6dd0
(XEN) ACPI: RSDT (v001 PTLTD    RSDT   0x06040000  LTP 0x00000000) @ 0x0eefb63b
(XEN) ACPI: FADT (v001 COMPAQ  EAGLES  0x06040000 PTL_ 0x000f4240) @ 0x0eefeeb6
(XEN) ACPI: SSDT (v001 PTLTD  POWERNOW 0x06040000  LTP 0x00000001) @ 0x0eefef2a
(XEN) ACPI: DSDT (v001 COMAPQ   EAGLES 0x06040000 MSFT 0x0100000d) @ 0x00000000
(XEN) Local APIC disabled by BIOS -- you can enable it with "lapic"
(XEN) Initializing CPU#0
(XEN) Detected 996.577 MHz processor.
(XEN) Using scheduler: Simple EDF Scheduler (sedf)
(XEN) CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
(XEN) CPU: L2 Cache: 64K (64 bytes/line)
(XEN) CPU0: AMD mobile AMD Duron(tm) Processor stepping 01
(XEN) SMP motherboard not detected.
(XEN) Local APIC not detected. Using dummy APIC emulation.
(XEN) Platform timer is 1.193MHz PIT
(XEN) Brought up 1 CPUs
(XEN) mtrr: v2.0 (20020519)
(XEN) *** LOADING DOMAIN 0 ***
(XEN) Xen-ELF header found: 'GUEST_OS=linux,GUEST_VER=2.6,XEN_VER=xen-3.0,VIRT_BASE=0xC0000000,PAE=no,LOADER=generic'
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN)  Dom0 alloc.:   01800000->02000000 (22528 pages to be allocated)
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN)  Loaded kernel: c0100000->c0600924
(XEN)  Init. ramdisk: c0601000->c0601000
(XEN)  Phys-Mach map: c0601000->c0619000
(XEN)  Start info:    c0619000->c061a000
(XEN)  Page tables:   c061a000->c061d000
(XEN)  Boot stack:    c061d000->c061e000
(XEN)  TOTAL:         c0000000->c0800000
(XEN)  ENTRY ADDRESS: c0100000
(XEN) Scrubbing Free RAM: ...done.
(XEN) Xen trace buffers: disabled
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to Xen).


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