APIC-ERROR-Messages -

APIC-ERROR-Messages -

[Norbert Breun]

Hallo,

sorry if this is a silly question...
as far as I understood my smp-board seem not well designed - so I get APIC 
error messages nearly every 1-3 seconds. These mmessages do not help me 
because -so I was told - it is not possible to fix the problem.
Is it possible to eliminate these error messages. My logfiles grow enormously 
and are "trashed" with these messages...

I'm running Kernel 2.4.0ac2 successfully  hoping that "sudden death" will not 
come back...

kind regards
Norbert
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Re: APIC-ERROR-Messages -

[Alan Cox]

> as far as I understood my smp-board seem not well designed - so I get APIC 
> error messages nearly every 1-3 seconds. These mmessages do not help me 
> because -so I was told - it is not possible to fix the problem.

They are a warning that your box isnt going to be happy long term.; Eventually
a bad message will get through with a good checksum. There was a panic case in
the code when messages got reset that is fixed in 2.4.0-preleease

> Is it possible to eliminate these error messages. My logfiles grow enormously 
> and are "trashed" with these messages...

You can certainly comment the printk's out of your own tree


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Re: APIC-ERROR-Messages -

[Douglas Gilbert]

 
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Content-Transfer-Encoding: 7bit

Alan Cox wrote:

> > as far as I understood my smp-board seem not well designed - so I get APIC 
> > error messages nearly every 1-3 seconds. These mmessages do not help me 
> > because -so I was told - it is not possible to fix the problem.
>
> They are a warning that your box isnt going to be happy long term.; Eventually
> a bad message will get through with a good checksum. There was a panic case in
> the code when messages got reset that is fixed in 2.4.0-preleease
> 
> > Is it possible to eliminate these error messages. My logfiles grow enormously 
> > and are "trashed" with these messages...
> 
> You can certainly comment the printk's out of your own tree

At a frequency of 1 every half hour or so from my BP6
motherboard (more frequent during heavy IO) I found that
message pretty annoying and commented it out.

The 'cat /proc/interrupts' last line "ERR: <n>" gives a
running count if you are interested.

Doug Gilbert


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Re: APIC-ERROR-Messages -

[Helge Hafting]

Norbert Breun wrote:
> 
> Hallo,
> 
> sorry if this is a silly question...
> as far as I understood my smp-board seem not well designed - so I get APIC
> error messages nearly every 1-3 seconds. These mmessages do not help me
> because -so I was told - it is not possible to fix the problem.
> Is it possible to eliminate these error messages. My logfiles grow enormously
> and are "trashed" with these messages...
> 
> I'm running Kernel 2.4.0ac2 successfully  hoping that "sudden death" will not
> come back...

I don't know what board you have, but my abit BP6 improved with more
cooling
(better fans on the cpu's and a fan on another hot chip that only had a 
heatsink before.)  And use thermal grease instead of the cleaner but
inferior 
rubber pads.
  
Lower clock frequency tends to help too, but nobody wants that. ;-)

Helge Hafting
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