IRQ probe failed error

I just installed redhat Linux into one of my backup box and I got the following error messages:

kernel: hdc: IRQ probe failed (0xfffffff8)
rc.sysinit: Mounting USB filesystem: failed

Also every 2-3 days all root system file suddently become Read-Only file system

Any idea why I got those error message and how to fix it?

Thanks in advance.

 

 

 

 

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