Re: 2.6.0-test11, TSC cannot be used as a timesource.

Ed Sweetman
2003-12-06T16:11:50Z

ok, so we've shown it's not dependent on the number of cpu's you have.
Not dependent on the amd/intel mobo and cpu you have. Not dependendent
on if you're using akpm's test10 patch on test11 or not. So this seems
to be proving to be a real bug.

Markku Savela wrote:
> I've seen some references to above problem, but no clear answer. The
> 'ntpd' is complaining a lot...
>
> I have ASUS P4S800. Here is some extracts from dmesg (I can provide
> more complete dump, if anyone wants something specific.)
>
> Linux version 2.6.0-test11 (root@moth) (gcc version 3.3.2 (Debian)) #2 SMP Thu Dec 4 22:32:52 EET 2003
> ...
> Kernel command line: BOOT_IMAGE=Linux-2 ro root=301
> Initializing CPU#0
> PID hash table entries: 1024 (order 10: 8192 bytes)
> Detected 2400.326 MHz processor.
> ...
> CPU: Hyper-Threading is disabled
> ...
> Intel machine check reporting enabled on CPU#0.
> CPU#0: Intel P4/Xeon Extended MCE MSRs (12) available
> CPU#0: Thermal monitoring enabled
> Enabling fast FPU save and restore... done.
> Enabling unmasked SIMD FPU exception support... done.
> Checking 'hlt' instruction... OK.
> POSIX conformance testing by UNIFIX
> CPU0: Intel(R) Celeron(R) CPU 2.40GHz stepping 09
> per-CPU timeslice cutoff: 365.75 usecs.
> task migration cache decay timeout: 1 msecs.
> enabled ExtINT on CPU#0
> ...
> Using local APIC timer interrupts.
> calibrating APIC timer ...
> ..... CPU clock speed is 2399.0868 MHz.
> ..... host bus clock speed is 99.0994 MHz.
> Starting migration thread for cpu 0
> CPUS done 2
> ...
> PCI: Using ACPI for IRQ routing
> PCI: if you experience problems, try using option 'pci=noacpi' or even 'acpi=off'
> PCI: Cannot allocate resource region 4 of device 0000:00:02.1
> radeonfb_pci_register BEGIN
> radeonfb: ref_clk=2700, ref_div=60, xclk=15000 from BIOS
> radeonfb: probed DDR SGRAM 32768k videoram
> radeon_get_moninfo: bios 4 scratch = 2000002
> radeonfb: ATI Radeon VE QY DDR SGRAM 32 MB
> radeonfb: DVI port no monitor connected
> radeonfb: CRT port CRT monitor connected
> radeonfb_pci_register END
> ...
> ACPI: Power Button (FF) [PWRF]
> ACPI: Processor [CPU0] (supports C1)
> ...
> Real Time Clock Driver v1.12
> Linux agpgart interface v0.100 (c) Dave Jones
> agpgart: Detected SiS 648 chipset
> agpgart: Maximum main memory to use for agp memory: 203M
> agpgart: AGP aperture is 64M @ 0xe8000000
> [drm] Initialized radeon 1.9.0 20020828 on minor 0
> ...
> Losing too many ticks!
> TSC cannot be used as a timesource. (Are you running with SpeedStep?)
> Falling back to a sane timesource.
> set_rtc_mmss: can't update from 59 to 0
> -
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