[HD2 Android Q&A, Help & Troubleshooting and Genera] ph03n!x:
Ok, here is what happens when I try the reboot option in QtADB:

14:51:13.912 Info DEBUG 84 *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
14:51:13.912 Info DEBUG 84 Build fingerprint: 'htccn_chs/htc_runnymede/runnymede:2.3.5/GRJ90/248020.4:user/release-keys'
14:51:13.912 Info DEBUG 84 pid: 1289, tid: 1289 >>> reboot <<<
14:51:13.912 Info DEBUG 84 signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0000000c
14:51:13.912 Info DEBUG 84 r0 00000000 r1 be8d8b04 r2 80808080 r3 00000035
14:51:13.912 Info DEBUG 84 r4 00000000 r5 be8d8b64 r6 00000000 r7 00000001
14:51:13.912 Info DEBUG 84 r8 00000000 r9 be8d8b04 10 be8d8b24 fp 00000000
14:51:13.913 Info DEBUG 84 ip 00000080 sp be8d8ad0 lr afd193b1 pc afd19a28 cpsr 20000030
14:51:13.913 Info DEBUG 84 d0 64612f6e6962732f d1 0000000000000070
14:51:13.913 Info DEBUG 84 d2 0000000000000072 d3 000000000000006f
14:51:13.913 Info DEBUG 84 d4 0000000000000000 d5 0000000000000000
14:51:13.913 Info DEBUG 84 d6 0000000000000000 d7 0000000000000000
14:51:13.913 Info DEBUG 84 d8 0000000000000000 d9 0000000000000000
14:51:13.913 Info DEBUG 84 d10 0000000000000000 d11 0000000000000000
14:51:13.913 Info DEBUG 84 d12 0000000000000000 d13 0000000000000000
14:51:13.913 Info DEBUG 84 d14 0000000000000000 d15 0000000000000000
14:51:13.913 Info DEBUG 84 d16 0000000000000000 d17 0000000000000000
14:51:13.913 Info DEBUG 84 d18 0000000000000000 d19 0000000000000000
14:51:13.914 Info DEBUG 84 d20 0000000000000000 d21 0000000000000000
14:51:13.914 Info DEBUG 84 d22 0000000000000000 d23 0000000000000000
14:51:13.914 Info DEBUG 84 d24 0000000000000000 d25 0000000000000000
14:51:13.914 Info DEBUG 84 d26 0000000000000000 d27 0000000000000000
14:51:13.914 Info DEBUG 84 d28 0000000000000000 d29 0000000000000000
14:51:13.914 Info DEBUG 84 d30 0000000000000000 d31 0000000000000000
14:51:13.914 Info DEBUG 84 scr 00000000
14:51:13.914 Info DEBUG 84
14:51:13.914 Info DEBUG 84 #00 pc 00019a28 /system/lib/libc.so
14:51:13.914 Info DEBUG 84 #01 pc 000193ac /system/lib/libc.so
14:51:13.914 Info DEBUG 84 #02 pc 00008e00 /system/bin/reboot
14:51:13.914 Info DEBUG 84 #03 pc 000154c2 /system/lib/libc.so
14:51:13.915 Info DEBUG 84
14:51:13.915 Info DEBUG 84 code around pc:
14:51:13.915 Info DEBUG 84 afd19a08 624561c4 f8c062c6 62018028 81f0e8bd
14:51:13.915 Info DEBUG 84 afd19a18 e92d688b 46044ff7 2b004689 8128f000
14:51:13.915 Info DEBUG 84 afd19a28 07028980 6921d501 4620b941 fc54f003
14:51:13.915 Info DEBUG 84 afd19a38 f7f8b120 2209fe97 e1166002 7000f8d9
14:51:13.915 Info DEBUG 84 afd19a48 683e89a3 3708687d 0a02f013 e017d103
14:51:13.915 Info DEBUG 84
14:51:13.915 Info DEBUG 84 code around lr:
14:51:13.915 Info DEBUG 84 afd19390 b086b510 9004460c e8a8f7fc 2301a901
14:51:13.915 Info DEBUG 84 afd193a0 90039302 a8049005 46209001 fb34f000
14:51:13.916 Info DEBUG 84 afd193b0 bd10b006 b5108981 0309f001 d0012b09
14:51:13.916 Info DEBUG 84 afd193c0 e0012000 fcbaf7ff bf00bd10 47f0e92d
14:51:13.916 Info DEBUG 84 afd193d0 fb014d50 447df802 4614468a f1b8461e
14:51:13.916 Info DEBUG 84
14:51:13.916 Info DEBUG 84 stack:
14:51:13.916 Info DEBUG 84 be8d8a90 00000000
14:51:13.916 Info DEBUG 84 be8d8a94 00000000
14:51:13.916 Info DEBUG 84 be8d8a98 00000000
14:51:13.916 Info DEBUG 84 be8d8a9c 00000000
14:51:13.916 Info DEBUG 84 be8d8aa0 00000000
14:51:13.916 Info DEBUG 84 be8d8aa4 00000000
14:51:13.916 Info DEBUG 84 be8d8aa8 00000000
14:51:13.917 Info DEBUG 84 be8d8aac 00000000
14:51:13.917 Info DEBUG 84 be8d8ab0 00000000
14:51:13.917 Info DEBUG 84 be8d8ab4 00000000
14:51:13.917 Info DEBUG 84 be8d8ab8 00000000
14:51:13.917 Info DEBUG 84 be8d8abc 00000000
14:51:13.917 Info DEBUG 84 be8d8ac0 00000000
14:51:13.917 Info DEBUG 84 be8d8ac4 00000000
14:51:13.917 Info DEBUG 84 be8d8ac8 df002777
14:51:13.917 Info DEBUG 84 be8d8acc e3a070ad
14:51:13.917 Info DEBUG 84 #00 be8d8ad0 00000000
14:51:13.917 Info DEBUG 84 be8d8ad4 be8d8b04
14:51:13.918 Info DEBUG 84 be8d8ad8 80808080
14:51:13.918 Info DEBUG 84 be8d8adc 00000000
14:51:13.918 Info DEBUG 84 be8d8ae0 be8d8b64
14:51:13.918 Info DEBUG 84 be8d8ae4 00000000
14:51:13.918 Info DEBUG 84 be8d8ae8 00000001
14:51:13.918 Info DEBUG 84 be8d8aec 00000000
14:51:13.918 Info DEBUG 84 be8d8af0 00000000
14:51:13.918 Info DEBUG 84 be8d8af4 be8d8b24
14:51:13.918 Info DEBUG 84 be8d8af8 00000000
14:51:13.918 Info DEBUG 84 be8d8afc afd193b1 /system/lib/libc.so
14:51:13.918 Info DEBUG 84 #01 be8d8b00 00009485 /system/bin/reboot
14:51:13.918 Info DEBUG 84 be8d8b04 be8d8b10
14:51:13.919 Info DEBUG 84 be8d8b08 00000001
14:51:13.919 Info DEBUG 84 be8d8b0c 00000035
14:51:13.919 Info DEBUG 84 be8d8b10 0000949b /system/bin/reboot
14:51:13.919 Info DEBUG 84 be8d8b14 00000035
14:51:13.919 Info DEBUG 84 be8d8b18 0000a114
14:51:13.919 Info DEBUG 84 be8d8b1c 00008e03 /system/bin/reboot
14:51:13.919 Info BootReceiver 233 Copying /data/tombstones/tombstone_02 to DropBox (SYSTEM_TOMBSTONE)

This with Sense of Eclipse 3.14/ Marc1706's kernel v0.2.0

Note that a command prompt adb reboot works perfectly.

Daekin/ Marc - any thoughts?