Over-current issue on USB port - ignore_oc flag not working

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I have connected Lenovo's DVD RW to my linux system (kernel - 2.6.34). The kernel is disconnecting the writer with overcurrent issue.

kern.log -

Feb  9 14:09:53 base0-0-0-11-0-11-1 kernel: hub 2-1:1.0: over-current change on port 1

I turned on ignore_oc flag but i am still receving the errors and my DVD is not being detected.

root@base0-0-0-11-0-11-1:/root> cat /sys/module/ehci_hcd/parameters/ignore_oc
Y
root@base0-0-0-11-0-11-1:/root>

kern.log -

Feb  9 14:09:53 base0-0-0-11-0-11-1 kernel: ehci_hcd 0000:00:1d.0: USB 2.0 started, EHCI 1.00, overcurrent ignored

Can someone pls help?

Thanks.

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