ACPI: Unable to locate RSDP
 

hi, i have a red hat enterprise 4.1 with kernel 5.1.19.6

and on time for booting the server send this message

can you help me please, to resolve this problem

ACPI: Unable to locate RSDP
Red Hat nash version 5.1.19.6 starting
usb 1-2: device not accepting address 2, error -71
Reading all physical volumes. This may take a while...
Found volume group "VolGroup00" using metadata type lvm2
2 logical volume(s) in volume group "VolGroup00" now active
EXT3-fs error (device dm-3): ext3_check_descriptors: Block bitmap for group 768
not in group (block 0)!
EXT3-fs: group descriptors corrupted!
mount: error mounting /dev/rrot on /sysroot as ext3: Invalid argument
setuproot: moving /dev failed: No such file or directory
setuproot: error mounting /proc: No such file or directory
setuproot: error mounting /sys: No such file or directory
switchroot: mount failed: No such file or directory
Kernel panic - not syscing: Attempted to kill init!
kernel direct mapping tables up to 130000000 @ 800-e000