[Galaxy Note5 Android Development] @Class:
Same here, even on v0.2 ... Random reboots while idle, was just sitting here on my desk.

SM-N9208

The log of the NFC issue:

root@noblelte:/data/tombstones # head -n100 tombstone_06
*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
Build fingerprint: 'samsung/nobleltezt/noblelte:5.1.1/LMY47X/N9208ZTU1AOH4:user/release-keys'
Revision: '9'
ABI: 'arm64'
pid: 31703, tid: 31741, name: AsyncTask #1 >>> com.android.nfc <<<
signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x0
x0 0000000000000000 x1 0000007f87298386 x2 0000007f939d8000 x3 0000007f939de498
x4 0000007f96882168 x5 0000000000000000 x6 0000007f9687f868 x7 0000000000000004
x8 0000000000000026 x9 0000000000000027 x10 0000007fa14fc000 x11 0000000000000001
x12 0000000000000001 x13 0000000000000000 x14 0000007fa1509000 x15 0000000000000001
x16 0000007f9c34b1f8 x17 0000007f93982c38 x18 0000007fa150d830 x19 0000007f9c34b000
x20 0000007f9c326000 x21 0000007f9c34c000 x22 0000007f9c2fd87c x23 0000007f9c34b000
x24 0000007f9c34b000 x25 0000007f9c327000 x26 0000007f9c325000 x27 0000007f9c2fc644
x28 0000007f9c34cf88 x29 0000007f872982e0 x30 0000007f93982c5c
sp 0000007f872982e0 pc 0000000000000000 pstate 0000000060000000
v0 2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e v1 626f6c67203a732500000069636e5f6c
v2 3d20646c6e647746202c75253d206c61 v3 00000000000000008020080000000000
v4 00000000000000000000000000000038 v5 00000000000000000000000000000000
v6 000000000000000000000000000002d8 v7 80200802802008028020080280200802
v8 00000000000000000000007f96882100 v9 00000000000000000000007f9dbeb400
v10 00000000000000000000007f9c34cf58 v11 00000000000000000000007f9d746fb0
v12 00000000000000000000000000000000 v13 00000000000000000000007f96c6f720
v14 00000000000000000000007f96c6f748 v15 00000000000000000000007f96c6f768
v16 40100401401004014010040140100401 v17 0000000000000000000000000000a800
v18 00000000000000000000000000000000 v19 70344c2070344c2070344c2070344c20
v20 12e7cf2012e75e2012e7e98012d58be0 v21 701d99e0701d97e070344c2070344c20
v22 701d9ae0701d9aa0701d9a60701d9a20 v23 70344c20701d9ba0701d9b60701d9b20
v24 70344c2070344c2070344c2070344c20 v25 70344c2070344c2070344c2070344c20
v26 70344c2070344c2070344c2070344c20 v27 70344c2070344c2070344c2070344c20
v28 70344c2070344c2070344c2070344c20 v29 70344c2070344c2070344c2070344c20
v30 000000000000000000000000ebad608e v31 000000000000000000000000ebad608f
fpsr 00000010 fpcr 00000000

backtrace:
#00 pc 0000000000000000 <unknown>
#01 pc 000000000004bc58 /system/lib64/libnfc-nci.so (NFC_RelWiredAccess+32)
#02 pc 0000000000018424 /system/lib64/libnfc_nci_jni.so
#03 pc 000000000007e4d8 /data/dalvik-cache/arm64/system@app@NfcNci@NfcNci.apk@classes.dex

stack:
0000007f872981e0 0000007f9dba5190 [anon:libc_malloc]
0000007f872981e8 0000007f93951338 /system/lib64/libnfc-nci.so (CNfcParam::~CNfcParam())
0000007f872981f0 0000007f87298290 [stack:31741]
0000007f872981f8 0000007fa14578d4 /system/lib64/libc.so (free+24)
0000007f87298200 0000007f872982a0 [stack:31741]
0000007f87298208 0000007fa14578d4 /system/lib64/libc.so (free+24)
0000007f87298210 0000007f96882100 [anon:libc_malloc]
0000007f87298218 0000007f939d8000 /system/lib64/libnfc-nci.so
0000007f87298220 0000007f939dacd0
0000007f87298228 0000007f872982e0 [stack:31741]
0000007f87298230 0000007f9c34b000 /system/lib64/libnfc_nci_jni.so
0000007f87298238 0000007f9c34b000 /system/lib64/libnfc_nci_jni.so
0000007f87298240 0000007f9c327000 /system/lib64/libnfc_nci_jni.so
0000007f87298248 0000007f9c325000 /system/lib64/libnfc_nci_jni.so (phFriNfc_NdefSmtCrd_Process+44)
0000007f87298250 0000007f9c2fc644 /system/lib64/libnfc_nci_jni.so
0000007f87298258 0000007f93951690 /system/lib64/libnfc-nci.so (CNfcConfig::clean()+68)
0000007f87298260 0000007f872982b0 [stack:31741]
0000007f87298268 0000007f93950f60 /system/lib64/libnfc-nci.so (NfcAdaptation::Finalize()+268)
0000007f87298270 0000007f96882100 [anon:libc_malloc]
0000007f87298278 0000007f939d8000 /system/lib64/libnfc-nci.so
0000007f87298280 0000007f939dacd0
0000007f87298288 0000007f872982e0 [stack:31741]
0000007f87298290 0000007f9c34b000 /system/lib64/libnfc_nci_jni.so
0000007f87298298 0000007f93950f50 /system/lib64/libnfc-nci.so (NfcAdaptation::Finalize()+252)
0000007f872982a0 0000007f872982b0 [stack:31741]
0000007f872982a8 0000007f93950f58 /system/lib64/libnfc-nci.so (NfcAdaptation::Finalize()+260)
0000007f872982b0 0000007f872982f0 [stack:31741]
0000007f872982b8 0000007f9c2fe5c4 /system/lib64/libnfc_nci_jni.so
0000007f872982c0 0000007f9c34b000 /system/lib64/libnfc_nci_jni.so
0000007f872982c8 0000007f9c326000 /system/lib64/libnfc_nci_jni.so
0000007f872982d0 0000007f9c34c000 /system/lib64/libnfc_nci_jni.so
0000007f872982d8 0000007f9c2fd87c /system/lib64/libnfc_nci_jni.so
#00 0000007f872982e0 0000007f872982f0 [stack:31741]
........ ........

Anywhere I should look for the soft reboot?