Hi all I have got a hcid problem below: $hcid -f /etc/bluetooth/hcid.conf BUG: scheduling while atomic: hcid/0x00000101/51 caller is schedule+0xec/0x12c There is no hcid process running from ps view. if run hcid again, something will be issued: BUG: scheduling while atomic: swapper/0x00000103/0 caller is schedule+0xec/0x12c BUG: scheduling from the idle thread! Unable to handle kernel NULL pointer dereference at virtual address 00000004 pgd = c0004000 [00000004] *pgd= as kernel version is 2.6.10, so I use a old bluez version 3.12 -- Best Regards ------------ Tony