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Operating Systems BSD Mount root warning message
# 1  
Old 07-20-2011
Mount root warning message
I see the following warning message during the boot sequence of any FreeBSD machine on stock hardware:

Code:
acd0: FAILURE: READ_BIG ILLEGAL REQUEST asc=0x64 ascq=0x00
Trying to mount root from ufs:/dev/ad6s1

What does this mean and is it really a warning or something that should be fixed?

Thank you in advance
# 2  
Old 09-18-2011
Set this

hint.apic.0.disabled="1"

in /boot/device.hints and the error will disappear.This is a common error nothing to worry about.



Quote:
Originally Posted by figaro
I see the following warning message during the boot sequence of any FreeBSD machine on stock hardware:

Code:
acd0: FAILURE: READ_BIG ILLEGAL REQUEST asc=0x64 ascq=0x00
Trying to mount root from ufs:/dev/ad6s1

What does this mean and is it really a warning or something that should be fixed?

Thank you in advance
# 3  
Old 09-23-2011
Thank you for your answer. There is also this oldish source:
Troubleshooting.
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