https://bugzilla.novell.com/show_bug.cgi?id=436398 User matthias.andree@gmx.de added comment https://bugzilla.novell.com/show_bug.cgi?id=436398#c1 --- Comment #1 from Matthias Andree 2008-10-17 03:35:55 MDT --- Created an attachment (id=246214) --> (https://bugzilla.novell.com/attachment.cgi?id=246214) dmesg from vanilla 2.6.27 bootup to show hardware and ACPI -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=436398 Peter Varkoly changed: What |Removed |Added ---------------------------------------------------------------------------- Severity|Major |Minor Status|NEW |ASSIGNED -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=436398 User varkoly@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=436398#c3 Peter Varkoly changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |NEEDINFO Info Provider| |matthias.andree@gmx.de --- Comment #3 from Peter Varkoly 2008-10-20 05:47:07 MDT --- This is not an issue of ntpd, I've searched in different mailing lists and it seems this is a hardware issue. What kind of hardware (CPU) are you using? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=436398 User varkoly@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=436398#c5 --- Comment #5 from Peter Varkoly 2008-10-20 08:22:31 MDT --- Sorry, I formulated the question false. I wanted to know whether you with other computer the problem also had. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=436398 User matthias.andree@gmx.de added comment https://bugzilla.novell.com/show_bug.cgi?id=436398#c7 --- Comment #7 from Matthias Andree 2008-10-20 09:11:50 MDT --- Sorry, there's a misunderstanding. acpi_pm works for me, but tsc (default) breaks both in openSUSE 11's current kernel (from Update trees) as well as plain 2.6.27. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=436398 User matthias.andree@gmx.de added comment https://bugzilla.novell.com/show_bug.cgi?id=436398#c9 --- Comment #9 from Matthias Andree 2008-10-20 09:23:13 MDT --- BROKEN COMPUTER: Asus A7V600-X mainboard with Athlon XP 2500+ and openSUSE 11.0: $ dmesg|grep -i tsc TSC: PIT calibration confirmed by PMTIMER. TSC: using PMTIMER calibration value $ dmesg|grep -i hpet HPET not enabled in BIOS. You might try hpet=force boot option $ find /sys/devices/system/clocksource -type f | sudo xargs head ==> /sys/devices/system/clocksource/clocksource0/current_clocksource <== acpi_pm ==> /sys/devices/system/clocksource/clocksource0/available_clocksource <== tsc acpi_pm jiffies For comparison (I know this changes a hell of a lot of factors at a time, so it's not overly significant, but so you see): WORKING COMPUTER: Asus M2N something mainboard with AThlon X2 and Ubuntu Linux 8.04: $ find /sys/devices/system/clocksource -type f | sudo xargs head ==> /sys/devices/system/clocksource/clocksource0/current_clocksource <== hpet ==> /sys/devices/system/clocksource/clocksource0/available_clocksource <== hpet acpi_pm jiffies tsc $ dmesg | grep -i clocksource [ 27.092177] Time: hpet clocksource has been installed. [ 82.323506] Clocksource tsc unstable (delta = -71988649 ns) HTH -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=436398 User rjw@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=436398#c11 --- Comment #11 from Rafael Wysocki 2008-12-01 13:44:12 MST --- Most probably, this is a kernel issue related to the TSC being unstable. Can you check the latest kernel of the day from ftp://ftp.suse.com/pub/projects/kernel/kotd/HEAD (should work with openSUSE 11.0 without major problems). -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=436398 Jiri Kosina changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jkosina@novell.com AssignedTo|rjw@novell.com |jbohac@novell.com -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=436398 User matthias.andree@gmx.de added comment https://bugzilla.novell.com/show_bug.cgi?id=436398#c14 Matthias Andree changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEEDINFO |NEW Info Provider|matthias.andree@gmx.de | --- Comment #14 from Matthias Andree 2009-02-20 05:38:13 MST --- Seems the TSC issue was resolved in the 11.1 kernel, ntp on three servers via DSL connection reports jitter in the single-digit millisecond range (that's as good as it can get). For providing the information you asked in comment #13: does it help to just boot from the DVD from the openSUSE 11.0 box or should I rather install the latest 11.0 kernel from the latest 11.0 update RPM? I'm asking because I lost my 11.0 installation in a HDD crash and am running 11.1; but I think it should be feasible to boot the 11.0 kernel with a bit of GRUB hacking and mkinitrd. For the nonce, this is from 11.1: $ cat /sys/devices/system/clocksource/clocksource0/available_clocksource tsc acpi_pm jiffies $ cat /sys/devices/system/clocksource/clocksource0/current_clocksource tsc I am including the boot logs from openSUSE 11.1 in case that helps: Inspecting /boot/System.map-2.6.27.7-9-default Cannot find map file. No module symbols loaded - kernel modules not enabled. Cannot build symbol table - disabling symbol lookups klogd 1.4.1, log source = ksyslog started. <6>Initializing cgroup subsys cpuset <6>Initializing cgroup subsys cpu <5>Linux version 2.6.27.7-9-default (geeko@buildhost) (gcc version 4.3.2 [gcc-4_3-branch revision 141291] (SUSE Linux) ) #1 SMP 2008-12-04 18:10:04 +0100 <6>BIOS-provided physical RAM map: <6> BIOS-e820: 0000000000000000 - 000000000009d800 (usable) <6> BIOS-e820: 000000000009d800 - 00000000000a0000 (reserved) <6> BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) <6> BIOS-e820: 0000000000100000 - 000000003fffb000 (usable) <6> BIOS-e820: 000000003fffb000 - 000000003ffff000 (ACPI data) <6> BIOS-e820: 000000003ffff000 - 0000000040000000 (ACPI NVS) <6> BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved) <6> BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved) <6> BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved) <6>DMI 2.3 present. <6>last_pfn = 0x3fffb max_arch_pfn = 0x100000 <6>x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106 <7>kernel direct mapping tables up to 38000000 @ 7000-c000 <6>RAMDISK: 37a41000 - 37feff49 <4>ACPI: RSDP 000F5E30, 0014 (r0 ASUS ) <4>ACPI: RSDT 3FFFB000, 0030 (r1 ASUS A7V600-X 42302E31 MSFT 31313031) <4>ACPI: FACP 3FFFB0B2, 0074 (r1 ASUS A7V600-X 42302E31 MSFT 31313031) <4>ACPI: DSDT 3FFFB126, 3098 (r1 ASUS A7V600-X 1000 MSFT 100000B) <4>ACPI: FACS 3FFFF000, 0040 <4>ACPI: BOOT 3FFFB030, 0028 (r1 ASUS A7V600-X 42302E31 MSFT 31313031) <4>ACPI: APIC 3FFFB058, 005A (r1 ASUS A7V600-X 42302E31 MSFT 31313031) <7>ACPI: Local APIC address 0xfee00000 <5>127MB HIGHMEM available. <5>896MB LOWMEM available. <6> mapped low ram: 0 - 38000000 <6> low ram: 00000000 - 38000000 <6> bootmap 00009000 - 00010000 <6>(9 early reservations) ==> bootmem [0000000000 - 0038000000] <6> #0 [0000000000 - 0000001000] BIOS data page ==> [0000000000 - 0000001000] <6> #1 [0000001000 - 0000002000] EX TRAMPOLINE ==> [0000001000 - 0000002000] <6> #2 [0000006000 - 0000007000] TRAMPOLINE ==> [0000006000 - 0000007000] <6> #3 [0000100000 - 00006509dc] TEXT DATA BSS ==> [0000100000 - 00006509dc] <6> #4 [0037a41000 - 0037feff49] RAMDISK ==> [0037a41000 - 0037feff49] <6> #5 [0000651000 - 0000654000] INIT_PG_TABLE ==> [0000651000 - 0000654000] <6> #6 [000009d800 - 0000100000] BIOS reserved ==> [000009d800 - 0000100000] <6> #7 [0000007000 - 0000009000] PGTABLE ==> [0000007000 - 0000009000] <6> #8 [0000009000 - 0000010000] BOOTMAP ==> [0000009000 - 0000010000] <4>Zone PFN ranges: <4> DMA 0x00000000 -> 0x00001000 <4> Normal 0x00001000 -> 0x00038000 <4> HighMem 0x00038000 -> 0x0003fffb <4>Movable zone start PFN for each node <4>early_node_map[2] active PFN ranges <4> 0: 0x00000000 -> 0x0000009d <4> 0: 0x00000100 -> 0x0003fffb <7>On node 0 totalpages: 262040 <7>free_area_init_node: node 0, pgdat c051ee00, node_mem_map c1000000 <7> DMA zone: 3961 pages, LIFO batch:0 <7> Normal zone: 223300 pages, LIFO batch:31 <7> HighMem zone: 32475 pages, LIFO batch:7 <6>Using APIC driver default <6>ACPI: PM-Timer IO Port: 0xe408 <7>ACPI: Local APIC address 0xfee00000 <6>ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) <6>ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1]) <6>ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0]) <6>IOAPIC[0]: apic_id 2, version 3, address 0xfec00000, GSI 0-23 <6>ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl edge) <6>ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) <7>ACPI: IRQ0 used by override. <7>ACPI: IRQ2 used by override. <7>ACPI: IRQ9 used by override. <4>Enabling APIC mode: Flat. Using 1 I/O APICs <6>Using ACPI (MADT) for SMP configuration information <6>SMP: Allowing 1 CPUs, 0 hotplug CPUs <7>mapped APIC to ffffb000 (fee00000) <7>mapped IOAPIC to ffffa000 (fec00000) <6>PM: Registered nosave memory: 000000000009d000 - 000000000009e000 <6>PM: Registered nosave memory: 000000000009e000 - 00000000000a0000 <6>PM: Registered nosave memory: 00000000000a0000 - 00000000000f0000 <6>PM: Registered nosave memory: 00000000000f0000 - 0000000000100000 <6>Allocating PCI resources starting at 50000000 (gap: 40000000:bec00000) <6>PERCPU: Allocating 39068 bytes of per cpu data <7>NR_CPUS: 32, nr_cpu_ids: 1, nr_node_ids 1 <4>Built 1 zonelists in Zone order, mobility grouping on. Total pages: 259736 <5>Kernel command line: root=/dev/md0 resume=/dev/disk/by-id/ata-MAXTOR_STM3250310AS_6RY0DK09-part1 splash=silent showopts <6>bootsplash: silent mode. <6>Enabling fast FPU save and restore... done. <6>Enabling unmasked SIMD FPU exception support... done. <6>Initializing CPU#0 <4>PID hash table entries: 4096 (order: 12, 16384 bytes) <6>TSC: PIT calibration confirmed by PMTIMER. <6>TSC: using PMTIMER calibration value <4>Detected 1822.493 MHz processor. <4>Console: colour VGA+ 80x25 <6>console [tty0] enabled <6>Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) <6>Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) <6>Memory: 1026384k/1048556k available (2342k kernel code, 21436k reserved, 1960k data, 316k init, 131052k highmem) <6>virtual kernel memory layout: <6> fixmap : 0xffdf6000 - 0xfffff000 (2084 kB) <6> pkmap : 0xff400000 - 0xff800000 (4096 kB) <6> vmalloc : 0xf8800000 - 0xff3fe000 ( 107 MB) <6> lowmem : 0xc0000000 - 0xf8000000 ( 896 MB) <6> .init : 0xc053a000 - 0xc0589000 ( 316 kB) <6> .data : 0xc034988b - 0xc0533a90 (1960 kB) <6> .text : 0xc0100000 - 0xc034988b (2342 kB) <6>Checking if this processor honours the WP bit even in supervisor mode...Ok. <7>CPA: page pool initialized 1 of 1 pages preallocated <6>Calibrating delay loop (skipped), value calculated using timer frequency.. 3644.98 BogoMIPS (lpj=7289972) <4>kdb version 4.4 by Keith Owens, Scott Lurndal. Copyright SGI, All Rights Reserved <6>Security Framework initialized <6>SELinux: Disabled at boot. <6>AppArmor: AppArmor initialized <4>Mount-cache hash table entries: 512 <6>Initializing cgroup subsys ns <6>Initializing cgroup subsys cpuacct <6>Initializing cgroup subsys memory <6>Initializing cgroup subsys devices <6>Initializing cgroup subsys freezer <6>CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line) <6>CPU: L2 Cache: 512K (64 bytes/line) <6>Intel machine check architecture supported. <6>Intel machine check reporting enabled on CPU#0. <6>Checking 'hlt' instruction... OK. <6>SMP alternatives: switching to UP code <6>Freeing SMP alternatives: 12k freed <6>ACPI: Core revision 20080609 <6>ACPI: Checking initramfs for custom DSDT <4>Parsing all Control Methods: <4>Table [DSDT](id 0001) - 418 Objects with 57 Devices 140 Methods 20 Regions <4> tbxface-0596 [00] tb_load_namespace : ACPI Tables successfully acquired <4>evxfevnt-0091 [00] enable : Transition to ACPI mode successful <4>ENABLING IO-APIC IRQs <6>..TIMER: vector=0x31 apic1=0 pin1=2 apic2=-1 pin2=-1 <6>CPU0: AMD Athlon(TM) XP 2500+ stepping 00 <6>Brought up 1 CPUs <6>Total of 1 processors activated (3644.98 BogoMIPS). <7>CPU0 attaching NULL sched-domain. <6>net_namespace: 1044 bytes <6>Booting paravirtualized kernel on bare hardware <6>NET: Registered protocol family 16 <6>ACPI: bus type pci registered <6>PCI: PCI BIOS revision 2.10 entry at 0xf1970, last bus=1 <6>PCI: Using configuration type 1 for base access <4>evgpeblk-0957 [00] ev_create_gpe_block : GPE 00 to 0F [_GPE] 2 regs on int 0x9 <7>ACPI: EC: Look up EC in DSDT <4>Completing Region/Field/Buffer/Package initialization:......................................................... <4>Initialized 14/20 Regions 7/7 Fields 24/24 Buffers 12/12 Packages (427 nodes) <4>Initializing Device/Processor/Thermal objects by executing _INI methods:. <4>Executed 1 _INI methods requiring 0 _STA executions (examined 60 objects) <4>evgpeblk-1054 [00] ev_initialize_gpe_bloc: Found 4 Wake, Enabled 0 Runtime GPEs in this block <6>ACPI: Interpreter enabled <6>ACPI: (supports S0 S1 S3 S4 S5) <6>ACPI: Using IOAPIC for interrupt routing <6>ACPI: PCI Root Bridge [PCI0] (0000:00) -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.