system clock is too slow
Bob Chiodini
chiodr at kscems.ksc.nasa.gov
Thu Jul 29 16:22:16 UTC 2004
On Thu, 2004-07-29 at 10:43, Gang Qin wrote:
> The problem is there is no problem if the system is power-off. And also
> there was no problem before I changed from RH9 to FC2 one week ago.
> Maybe you could help me to figure out what is wrong. From 'cat
> /proc/interrupts' I can see 'ERR 5', maybe there is some clue? I am
> attaching some information at the end of this email, thanks.
>
> Gang
>
>
>
> Andrew_Morgan at Dell.com wrote:
>
> >But that battery is used when the system is turned off to keep the
> >systems clock running, issues have been seen before CMOS batteries. the
> >best thing to do to troubleshoot this problem is to leave the system in
> >bios, and watch the clock ticking.
> >
> >If it still acts up in bios you definitely have a hardware failure, in
> >which situation you need to contact your hardware vendor and insist on a
> >replacement battery and or motherboard.
> >
> >A bios flash would also be interesting, but chances are the manufacturer
> >will request this anyway.
> >
> >Hope this helps!
> >
> >Andrew
> >
> >
>
> James Wilkinson wrote:
>
> >
> > What sort of motherboard do you have? What sort of hard drives and CDs,
> > and how are they connected?
> >
>
>
> It is a hp pavilion ze4400 (or compaq presario 2100) with Mobile
> Intel(R) Celeron(R) CPU 2.20GHz, inner QSI CD-RW/DVD-ROM SBW-241,
> inner ATA DISK drive 5400 40G
>
> > Does it make any difference how busy the system is? What happens if you
> > leave it doing nothing for an hour? (Try running init 1 to really shut
> > down background processes).
> >
> >
>
> After init 1, I found my system clock only passed 31 min for an hour.
>
> > Can you do a couple of "cat /proc/interrupts"es on a really quiet
> > system, say five minutes apart?
> >
> >
> results of "cat /proc/interrupts" are in the bottom.
>
> > Can you get hold of a DOS boot disk? Does the same thing happen in DOS?
> > (Try www.freedos.org if necessary).
> >
> >
> >
> There were no problem before I change from RH9 to FC2. The FC2 is a
> fresh installation. I may try the freedos later. Thanks.
>
>
> cat /proc/interrupts
> CPU0
> 0: 2763867 XT-PIC timer
> 1: 1064 XT-PIC i8042
> 2: 0 XT-PIC cascade
> 5: 1 XT-PIC ALI 5451
> 8: 1 XT-PIC rtc
> 9: 746 XT-PIC acpi
> 10: 1067 XT-PIC ohci_hcd, eth1, eth0
> 11: 5 XT-PIC yenta
> 12: 38676 XT-PIC i8042
> 14: 20840 XT-PIC ide0
> 15: 1149 XT-PIC ide1
> NMI: 0
> ERR: 5
> [root at pc3 oo]# cat /proc/interrupts
> CPU0
> 0: 3171884 XT-PIC timer
> 1: 1070 XT-PIC i8042
> 2: 0 XT-PIC cascade
> 5: 1 XT-PIC ALI 5451
> 8: 1 XT-PIC rtc
> 9: 795 XT-PIC acpi
> 10: 1467 XT-PIC ohci_hcd, eth1, eth0
> 11: 5 XT-PIC yenta
> 12: 38676 XT-PIC i8042
> 14: 21097 XT-PIC ide0
> 15: 1761 XT-PIC ide1
> NMI: 0
> ERR: 5
> [root at pc3 oo]# cat /proc/interrupts
> CPU0
> 0: 3604642 XT-PIC timer
> 1: 1076 XT-PIC i8042
> 2: 0 XT-PIC cascade
> 5: 1 XT-PIC ALI 5451
> 8: 1 XT-PIC rtc
> 9: 848 XT-PIC acpi
> 10: 1753 XT-PIC ohci_hcd, eth1, eth0
> 11: 5 XT-PIC yenta
> 12: 38676 XT-PIC i8042
> 14: 21305 XT-PIC ide0
> 15: 2409 XT-PIC ide1
> NMI: 0
> ERR: 5
Have you tried booting with the noapic kernel option (or one of the
other related kernel parameters)?
As indicated in one of the earlier responses: Check for and install the
latest BIOS update, as well.
It's interesting that ~30 minutes are lost in an hour.
Bob...
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