system clock is too slow

[Bob Chiodini]

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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