microuptime went backwards ??

2002-12-03 Thread Bertrand Habib
Dear all,

writing on ata disk, i get full screens of
microuptime() went backwards ( nnn.nn - mmm.m )

with mmm.m being less than nnn.n (i.e backwards )
Broken hardware ?
Wo may help me to interpret this message and, eventualy, correct that issue ?

Many thanks in advance for your tips.
Kindest regards
Bertrand

Details:
---
Athlon 800 cpu on 771AS motherboard
40GB Maxtor 6L040J2
FreeBSD 4.7-RELEASE with GENERIC kernel (can't compile a new one)



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Re: microuptime went backwards ??

2002-12-03 Thread Bertrand Habib


BH  microuptime() went backwards ( nnn.nn - mmm.m )

Sounds like an AMD Athlon.


Yes


Disable power management in your BIOS.


Nop! It was disabled and this brough me to the microuptime problem.
After having re-enabled it (i.e: ACPI enable, APM enable), it seams to work.


Also, I recommend disabling it in
the kernel as well.


Kernel is GENERIC (in fact I did'nt checked if APM was still disabled in 
4.7 GENRIC ).

# Power management support (see LINT for more options)
# deviceapm0at nexus? disable flags 0x20
# Advanced Power Management
# Disable due to microuptime() issue last year


New kernel build ongoing accordingly your config tip.

Last word: many thanks for your help, Christopher :)

Bertrand



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