Rajat Jain wrote:
Hi List,
I want to change the PCI Configuration space of a particular device in
my system. I am trying to use the "pcitweak" utility to do so, but am
not suceeding. I would appreciate if some body could provide me any
pointers in how to do so.
In this case, I want to change the value at offset 64:
$ pcitweak -r 5:9:1 64
0x01000001 //original value
$ pcitweak -w 5:9:1 64 0x02000002 //new value
$ pcitweak -r 5:9:1 64
0x01000001 //no change?
TIA,
Rajat Jain
Dear Rajat Jain:
'man pcitweak' indicates that it requires root privileges.
the '$' prompt in your console indicates 'user' privileges.
My 'root' prompt is a '#'.
I suggest that you do not have 'root' privileges when
executing a '-w' (write) command.
HTH, Chuck
"Pcitweak is a utility that can be used to examine or
change registers in the PCI configuration space. On most
platfoms pcitweak can only be run by the root user."
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