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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-bugs] [Bug 608] New: Many "Timer ISR/1: Time went backwards" messages on Dom0
http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=608 Summary: Many "Timer ISR/1: Time went backwards" messages on Dom0 Product: Xen Version: unstable Platform: x86 OS/Version: Linux-2.6 Status: NEW Severity: normal Priority: P2 Component: Hypervisor AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx ReportedBy: yongjhen@xxxxxxxxxxxxxxx platform: Intel Centrino Duo notebook (Asus W5F) xen-unstable version: changeset: 9532:5baf152d63ef tag: tip user: kaf24@xxxxxxxxxxxxxxxxxxxx date: Tue Apr 4 22:20:12 2006 +0100 I saw many messages of this kind in my /var/log/messages file: Apr 8 20:53:11 ubuntu kernel: printk: 119 messages suppressed. Apr 8 20:53:11 ubuntu kernel: Timer ISR/1: Time went backwards: delta=-38986492 delta_cpu=91013508 shadow=7726599529282 off=511525662 processed=7727150000000 cpu_processed=7727020000000 Apr 8 20:53:11 ubuntu kernel: 0: 7727150000000 Apr 8 20:53:11 ubuntu kernel: 1: 7727020000000 Apr 8 20:53:17 ubuntu kernel: printk: 46 messages suppressed. Apr 8 20:53:17 ubuntu kernel: Timer ISR/0: Time went backwards: delta=-11960790 delta_cpu=38039210 shadow=7731780188528 off=707872103 processed=7732500000000 cpu_processed=7732450000000 Apr 8 20:53:17 ubuntu kernel: 0: 7732450000000 Apr 8 20:53:17 ubuntu kernel: 1: 7732500000000 Apr 8 20:53:22 ubuntu kernel: printk: 66 messages suppressed. Apr 8 20:53:22 ubuntu kernel: Timer ISR/1: Time went backwards: delta=-10288562 delta_cpu=29711438 shadow=7737885754780 off=163978991 processed=7738060000000 cpu_processed=7738020000000 Apr 8 20:53:22 ubuntu kernel: 0: 7738060000000 Apr 8 20:53:22 ubuntu kernel: 1: 7738020000000 xm dmesg: __ __ _____ ___ _ _ _ \ \/ /___ _ __ |___ / / _ \ _ _ _ __ ___| |_ __ _| |__ | | ___ \ // _ \ '_ \ |_ \| | | |__| | | | '_ \/ __| __/ _` | '_ \| |/ _ \ / \ __/ | | | ___) | |_| |__| |_| | | | \__ \ || (_| | |_) | | __/ /_/\_\___|_| |_| |____(_)___/ \__,_|_| |_|___/\__\__,_|_.__/|_|\___| http://www.cl.cam.ac.uk/netos/xen University of Cambridge Computer Laboratory Xen version 3.0-unstable (root@) (gcc version 4.0.3 (Ubuntu 4.0.3-1ubuntu3)) �4� 8 18:22:51 CST 2006 Latest ChangeSet: Tue Apr 4 22:20:12 2006 +0100 9532:5baf152d63ef (XEN) Physical RAM map: (XEN) 0000000000000000 - 000000000009fc00 (usable) (XEN) 000000000009fc00 - 00000000000a0000 (reserved) (XEN) 00000000000e0000 - 0000000000100000 (reserved) (XEN) 0000000000100000 - 000000003f7c0000 (usable) (XEN) 000000003f7c0000 - 000000003f7ce000 (ACPI data) (XEN) 000000003f7ce000 - 000000003f800000 (ACPI NVS) (XEN) 00000000fee00000 - 00000000fee01000 (reserved) (XEN) 00000000ffb80000 - 0000000100000000 (reserved) (XEN) System RAM: 1015MB (1039740kB) (XEN) Xen heap: 10MB (10596kB) (XEN) Using scheduler: Simple EDF Scheduler (sedf) (XEN) PAE disabled. (XEN) found SMP MP-table at 000ff780 (XEN) DMI 2.3 present. (XEN) Using APIC driver default (XEN) ACPI: RSDP (v000 ACPIAM ) @ 0x000f7910 (XEN) ACPI: RSDT (v001 A M I OEMRSDT 0x01000610 MSFT 0x00000097) @ 0x3f7c0000 (XEN) ACPI: FADT (v002 A M I OEMFACP 0x01000610 MSFT 0x00000097) @ 0x3f7c0200 (XEN) ACPI: MADT (v001 A M I OEMAPIC 0x01000610 MSFT 0x00000097) @ 0x3f7c0390 (XEN) ACPI: MCFG (v001 A M I OEMMCFG 0x01000610 MSFT 0x00000097) @ 0x3f7c03f0 (XEN) ACPI: BOOT (v001 A M I OEMBOOT 0x01000610 MSFT 0x00000097) @ 0x3f7c0430 (XEN) ACPI: OEMB (v001 A M I AMI_OEM 0x01000610 MSFT 0x00000097) @ 0x3f7ce040 (XEN) >>> ERROR: Invalid checksum (XEN) ACPI: TCPA (v001 A M I TBLOEMID 0x00000001 MSFT 0x00000097) @ 0x3f7c8230 (XEN) >>> ERROR: Invalid checksum (XEN) ACPI: DSDT (v001 W5F00 W5F00005 0x00000005 INTL 0x02002026) @ 0x00000000 (XEN) ACPI: Local APIC address 0xfee00000 (XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled) (XEN) Processor #0 6:14 APIC version 20 (XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled) (XEN) Processor #1 6:14 APIC version 20 (XEN) ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0]) (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 1828.828 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) VMXON is done (XEN) Intel machine check architecture supported. (XEN) Intel machine check reporting enabled on CPU#0. (XEN) CPU0: Intel Genuine Intel(R) CPU T2400 @ 1.83GHz 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) VMXON is done (XEN) Intel machine check architecture supported. (XEN) Intel machine check reporting enabled on CPU#1. (XEN) CPU1: Intel Genuine Intel(R) CPU T2400 @ 1.83GHz stepping 08 (XEN) Total of 2 processors activated. (XEN) ENABLING IO-APIC IRQs (XEN) ..TIMER: vector=0x31 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) *** LOADING DOMAIN 0 *** (XEN) Domain 0 kernel supports features = { 0000001f }. (XEN) Domain 0 kernel requires features = { 00000000 }. (XEN) PHYSICAL MEMORY ARRANGEMENT: (XEN) Dom0 alloc.: 01800000->02000000 (236463 pages to be allocated) (XEN) VIRTUAL MEMORY ARRANGEMENT: (XEN) Loaded kernel: c0100000->c043d394 (XEN) Init. ramdisk: c043e000->c043e000 (XEN) Phys-Mach map: c043e000->c0526ebc (XEN) Start info: c0527000->c0528000 (XEN) Page tables: c0528000->c052b000 (XEN) Boot stack: c052b000->c052c000 (XEN) TOTAL: c0000000->c0800000 (XEN) ENTRY ADDRESS: c0100000 (XEN) Dom0 has maximum 2 VCPUs (XEN) Scrubbing Free RAM: ...........done. (XEN) Xen trace buffers: disabled (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to Xen). Any thing I can help? Thank. -- Configure bugmail: http://bugzilla.xensource.com/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. _______________________________________________ Xen-bugs mailing list Xen-bugs@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-bugs
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