[LG Optimus 2x] pastime1971:
on non-working kang, radio logcat goes

D/RILD ( 1004): radio disabled
D/RILB ( 1540): /proc/cmdline=mem=415M@0M nvmem=96M@416M loglevel=0 muic_state=1 lpj=9994240 CRC=3010002a8e458d7 vmalloc=256M brdrev=1.0 video=tegrafb console=ttyS0,115200n8 usbcore.old_scheme_first=1 tegraboot=sdmmc tegrapart=recovery:35e00:2800:800,linux:34700:1000:800,mbr:400:200:800,system:600:2bc00:800,cache:2c200:8000:800,misc:34200:400:800,userdata:38700:c0000:800 androidboot.hardware=p990
...
E/RILJ ( 1540): Couldn't find 'rild' socket after 8 times, continuing to retry silently

on RC's SK3, it goes (before D/RILB (): /proc/cmdline=...)

I/RIL ( 1014): Opening tty device /dev/ttyspi0
D/RILD ( 1014): radio disabled
D/RIL ( 1014): lge-ril: main loop routine start
E/RIL ( 1014): fd of /dev/ttyspi0 is 14
E/RIL ( 1014): Trying to write to fd 14
E/RIL ( 1014): Write AT^M
E/RIL ( 1014): returns 4 and wait OK after 1 seconds
E/RIL ( 1014): Trying to read from fd 14
E/RIL ( 1014): Was read 6 bytes
E/RIL ( 1014): OK received
E/RIL ( 1014): Write ATE0^M
E/RIL ( 1014): returns 6 and wait OK after 1 seconds
E/RIL ( 1014): Trying to read from fd 14
E/RIL ( 1014): Was read 6 bytes
E/RIL ( 1014): OK received
E/RIL ( 1014): Opening MUX
E/RIL ( 1014): Write AT+CMUX=0,0,5,1509^M
E/RIL ( 1014): returns 20 and wait OK after 4 seconds
E/RIL ( 1014): Trying to read from fd 14
E/RIL ( 1014): Was read 6 bytes
E/RIL ( 1014): OK received
D/RIL ( 1014): lge-ril: Device path = /dev/ttyspi0
D/RIL ( 1014): lge-ril: mainLoop: Opening DLC devices...
D/RIL ( 1014): Device is opened (dlc:1, pts:/dev/pts1, fd:15)
D/RIL ( 1014): Device is opened (dlc:2, pts:/dev/pts2, fd:16)
D/RIL ( 1014): Device is opened (dlc:3, pts:/dev/pts3, fd:17)
D/RIL ( 1014): Device is opened (dlc:4, pts:/dev/pts4, fd:18)
D/RIL ( 1014): Device is opened (dlc:5, pts:/dev/pts5, fd:19)
D/RIL ( 1014): Device is opened (dlc:6, pts:/dev/pts6, fd:20)
D/RIL ( 1014): Device is opened (dlc:7, pts:/dev/pts7, fd:21)
D/RIL ( 1014): Device is opened (dlc:8, pts:/dev/pts8, fd:22)
D/RIL ( 1014): Device is opened (dlc:9, pts:/dev/pts9, fd:23) and closed
D/RIL ( 1014): Device is opened (dlc:10, pts:/dev/pts10, fd:23) and closed
D/RIL ( 1014): Device is opened (dlc:11, pts:/dev/pts11, fd:23)
D/RIL ( 1014): Device is opened (dlc:12, pts:/dev/pts12, fd:24) and closed
D/RIL ( 1014): Device is opened (dlc:13, pts:/dev/pts13, fd:24)
D/RIL ( 1014): Device is opened (dlc:14, pts:/dev/pts14, fd:25) and closed
D/RIL ( 1014): Device is opened (dlc:15, pts:/dev/pts15, fd:25) and closed
D/RIL ( 1014): Device is opened (dlc:16, pts:/dev/pts16, fd:25) and closed
D/RIL ( 1014): Device is opened (dlc:17, pts:/dev/pts17, fd:25) and closed
D/RIL ( 1014): Device is opened (dlc:18, pts:/dev/pts18, fd:25) and closed
D/RIL ( 1014): Device is opened (dlc:19, pts:/dev/pts19, fd:25) and closed
D/RIL ( 1014): Device is opened (dlc:20, pts:/dev/pts20, fd:25)
D/RIL ( 1014): Device(0) is opened (dlc:21, pts:/dev/pts21, fd:26)
D/RIL ( 1014): Device is opened (dlc:22, pts:/dev/pts22, fd:27)
D/RIL ( 1014): Device(1) is opened (dlc:23, pts:/dev/pts23, fd:28)
D/RIL ( 1014): Device is opened (dlc:24, pts:/dev/pts24, fd:29)
D/RIL ( 1014): Device(2) is opened (dlc:25, pts:/dev/pts25, fd:30)
D/RIL ( 1014): Device is opened (dlc:26, pts:/dev/pts26, fd:31)
D/RIL ( 1014): Device(3) is opened (dlc:27, pts:/dev/pts27, fd:32)
D/RIL ( 1014): Device is opened (dlc:28, pts:/dev/pts28, fd:33)
D/RIL ( 1014): Device is opened (dlc:29, pts:/dev/pts29, fd:34) and closed
D/RIL ( 1014): Device is opened (dlc:30, pts:/dev/pts30, fd:34) and closed
D/RIL ( 1014): Device is opened (dlc:31, pts:/dev/pts31, fd:34) and closed
D/RIL ( 1014): lge-ril: mainLoop: Opening DLC devices end; allDevicesOpened = 0
D/RIL ( 1014): lge-ril: using static DLC mapping
D/RIL ( 1014): lge-ril: opening at channels start
D/RIL ( 1014): lge-ril: MAX_DLC_CHANNELS_DATA = 15
D/RIL ( 1014): lge-ril: opening at channels end
D/RIL ( 1014): sState changed 1 -> 0