https://bugzilla.kernel.org/show_bug.cgi?id=32862





--- Comment #8 from Lee, Chun-Yi <[email protected]>  2011-04-13 09:43:19 ---
There have infinite loop in _BCM when ECMC is 1, I am tracing why the ECMC
didn't set to 0:

                        Method (_BCM, 1, NotSerialized)
                        {  
                            P8XH (Zero, 0xF1)
                            Store (Zero, BPRS)
                            Sleep (0x0A)
                            Name (BBCM, Package (0x0A)
                            {  
                                Zero,
                                One,
                                0x02,
                                0x03,
                                0x04,
                                0x05,
                                0x06,
                                0x07,
                                0x08,
                                0x09
                            })
                            P8XH (Zero, 0xF2)
                            Divide (Arg0, 0x0A, Local0, Local2)
                            Store (Subtract (Local2, One), Local3)
                            Store (DerefOf (Index (BBCM, Local3)), Local4)
                            P8XH (Zero, 0xF3)
                            While (ECMC) {}    /* infinite loop */
                            P8XH (Zero, 0xF4)
                            Store (Local4, DAT0)
                            Sleep (0x0A)
                            Store (0x4D, ECMC)
                        }

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