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xen-bugs
[Xen-bugs] [Bug 195] Many Timer ISR: Time went backwards logs
http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=195
rternes@xxxxxx changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |rternes@xxxxxx
------- Comment #23 from rternes@xxxxxx 2006-08-21 04:32 -------
I experience exactly the same problem on a FSC AMILO Pro V3205 with Intel Core
Duo T2050 (OEM). It doesn't matter which OS runs in dom0. I've tried FC5,
OpenSUSE 10.1 and Debian unstable.
Booting of xenU generates nothing more than this:
debian37:~# xm create /etc/xen/vmsid1.cfg -c
Using config file "/etc/xen/vmsid1.cfg".
Started domain vmsid1
Linux version 2.6.16-2-xen-686 (Debian 2.6.16-17) (waldi@xxxxxxxxxx) (gcc
version 4.0.4 20060630 (prerelease) (Debian 4.0.3-4)) #1 SMP Sun Jul 16
01:42:25 UTC 2006
BIOS-provided physical RAM map:
Xen: 0000000000000000 - 0000000008000000 (usable)
0MB HIGHMEM available.
136MB LOWMEM available.
ACPI in unprivileged domain disabled
IRQ lockup detection disabled
Built 1 zonelists
Kernel command line: root=/dev/sda1 ro
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Initializing CPU#0
PID hash table entries: 1024 (order: 10, 16384 bytes)
Xen reported: 1596.512 MHz processor.
Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
Inode-cache hash table entries: 16384 (order: 4, 6556 bytes)
Software IO TLB disabled
vmalloc area: b9000000-fb7fe000, maxmem 43ffe000
Memory: 121696k/139264k available (1507k kernel code, 9232k reserved, 527k
data, 144k init, 0k highmem)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
-------------------------------------------------------------------------------
debian37:~# dmesg
printk: 133 messages suppressed.
Timer ISR/1: Time went backwards: delta=-15995812 delta_cpu=12004188
shadow=918553 off=2713088566475 processed=2713104000000
cpu_processed=2713076000000
0: 2713100000000
1: 2713076000000
------------------------------------------------------------------------------
debian37:~# xm dmesg
Xen version 3.0.2-3 (Debian 3.0.2+hg9697-1) (ultrotter@xxxxxxxxxx) (gcc
version 4.0.4 20060507 (prerelease) (Debian 4.0.3-3)) Wed May 31 10:05:36 UTC
2006
(XEN) Command line: /boot/xen-3.0-i386.gz
(XEN) Physical RAM map:
(XEN) 0000000000000000 - 000000000009f800 (usable)
(XEN) 000000000009f800 - 00000000000a0000 (reserved)
(XEN) 00000000000dc000 - 0000000000100000 (reserved)
(XEN) 0000000000100000 - 000000007f690000 (usable)
(XEN) 000000007f690000 - 000000007f698000 (ACPI data)
(XEN) 000000007f698000 - 000000007f700000 (ACPI NVS)
(XEN) 000000007f700000 - 0000000080000000 (reserved)
(XEN) 00000000e0000000 - 00000000f0000000 (reserved)
(XEN) 00000000fec00000 - 00000000fec10000 (reserved)
(XEN) 00000000fed14000 - 00000000fed1a000 (reserved)
(XEN) 00000000fed1c000 - 00000000fed90000 (reserved)
(XEN) 00000000fee00000 - 00000000fee01000 (reserved)
(XEN) 00000000ff000000 - 0000000100000000 (reserved)
(XEN) System RAM: 2038MB (2087100kB)
(XEN) Xen heap: 10MB (10528kB)
(XEN) Using scheduler: Simple EDF Scheduler (sedf)
(XEN) PAE disabled.
(XEN) found SMP MP-table at 000f76d0
(XEN) DMI present.
(XEN) Using APIC driver default
(XEN) ACPI: RSDP (v000 PTLTD ) @ 0x000f7590
(XEN) ACPI: RSDT (v001 FUJ___ DW1_____ 0x20060608 LTP 0x00000000) @ 0x7f691f1d
(XEN) ACPI: FADT (v001 FUJ___ DW1_____ 0x20060608 LOHR 0x0000005a) @ 0x7f697e20
(XEN) ACPI: MADT (v001 FUJ___ DW1_____ 0x20060608 LOHR 0x0000005a) @ 0x7f697e94
(XEN) ACPI: BOOT (v001 FUJ___ DW1_____ 0x20060608 LTP 0x00000001) @ 0x7f697fd8
(XEN) ACPI: MCFG (v001 FUJ___ DW1_____ 0x20060608 LOHR 0x0000005a) @ 0x7f697f34
(XEN) ACPI: MADT (v001 FUJ___ DW1_____ 0x20060608 LTP 0x00000000) @ 0x7f697f70
(XEN) ACPI: SSDT (v001 PmRef CpuPm 0x00003000 INTL 0x20050228) @ 0x7f691f59
(XEN) ACPI: DSDT (v001 FUJ___ DW1_____ 0x20060608 MSFT 0x0100000e) @ 0x00000000
(XEN) ACPI: Local APIC address 0xfee00000
(XEN) ACPI: 2 duplicate APIC table ignored.
(XEN) ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
(XEN) Processor #0 6:14 APIC version 20
(XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
(XEN) Processor #1 6:14 APIC version 20
(XEN) ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
(XEN) ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
(XEN) ACPI: IOAPIC (id[0x01] address[0xfec00000] gsi_base[0])
(XEN) IOAPIC[0]: apic_id 1 already used, trying 2
(XEN) IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-23
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
(XEN) ACPI: IRQ0 used by override.
(XEN) ACPI: IRQ2 used by override.
(XEN) ACPI: IRQ9 used by override.
(XEN) Enabling APIC mode: Flat. Using 1 I/O APICs
(XEN) Using ACPI (MADT) for SMP configuration information
(XEN) Initializing CPU#0
(XEN) Detected 1596.500 MHz processor.
(XEN) CPU: L1 I cache: 32K, L1 D cache: 32K
(XEN) CPU: L2 cache: 2048K
(XEN) CPU: Physical Processor ID: 0
(XEN) CPU: Processor Core ID: 0
(XEN) Intel machine check architecture supported.
(XEN) Intel machine check reporting enabled on CPU#0.
(XEN) CPU0: Intel Genuine Intel(R) CPU T2050 @ 1.60GHz stepping 08
(XEN) Booting processor 1/1 eip 90000
(XEN) Initializing CPU#1
(XEN) CPU: L1 I cache: 32K, L1 D cache: 32K
(XEN) CPU: L2 cache: 2048K
(XEN) CPU: Physical Processor ID: 0
(XEN) CPU: Processor Core ID: 1
(XEN) Intel machine check architecture supported.
(XEN) Intel machine check reporting enabled on CPU#1.
(XEN) CPU1: Intel Genuine Intel(R) CPU T2050 @ 1.60GHz stepping 08
(XEN) Total of 2 processors activated.
(XEN) ENABLING IO-APIC IRQs
(XEN) -> Using new ACK method
(XEN) ..TIMER: vector=0xF0 apic1=0 pin1=2 apic2=-1 pin2=-1
(XEN) checking TSC synchronization across 2 CPUs: passed.
(XEN) Platform timer is 1.193MHz PIT
(XEN) Brought up 2 CPUs
(XEN) Machine check exception polling timer started.
(XEN) Using IPI Shortcut mode
(XEN) *** LOADING DOMAIN 0 ***
(XEN) Domain 0 kernel supports features = { 0000001f }.
(XEN) Domain 0 kernel requires features = { 00000000 }.
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN) Dom0 alloc.: 7e000000->7f000000 (478453 pages to be allocated)
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN) Loaded kernel: b0100000->b0368dd4
(XEN) Init. ramdisk: b0369000->b082e000
(XEN) Phys-Mach map: b082e000->b0a053d4
(XEN) Start info: b0a06000->b0a07000
(XEN) Page tables: b0a07000->b0a0b000
(XEN) Boot stack: b0a0b000->b0a0c000
(XEN) TOTAL: b0000000->b0c00000
(XEN) ENTRY ADDRESS: b0100000
(XEN) Dom0 has maximum 2 VCPUs
(XEN) Initrd len 0x4c5000, start at 0xb0369000
(XEN) Scrubbing Free RAM: .....................done.
(XEN) Xen trace buffers: disabled
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to
Xen).
-----------------------------------------------------------------------------
debian37:~# xm info
host : debian37
release : 2.6.16-2-xen-686
version : #1 SMP Sun Jul 16 01:42:25 UTC 2006
machine : i686
nr_cpus : 2
nr_nodes : 1
sockets_per_node : 1
cores_per_socket : 2
threads_per_core : 1
cpu_mhz : 1596
hw_caps : bfe9fbff:00100000:00000000:00000140:0000c189
total_memory : 2039
free_memory : 108
xen_major : 3
xen_minor : 0
xen_extra : .2-3
xen_caps : xen-3.0-x86_32
platform_params : virt_start=0xfc000000
xen_changeset : Tue May 30 18:14:05 2006 +0100
cc_compiler : gcc version 4.0.4 20060507 (prerelease) (Debian
4.0.3-3)
cc_compile_by : ultrotter@debia
cc_compile_domain : [unknown]
cc_compile_date : Wed May 31 10:05:36 UTC 2006
------------------------------------------------------------------------------
If I shall provide more informations please let me know.
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