yay!! i'm back
so i installed everything as kano said for my cm1
now im running it

cgminer version 3.1.1
i'm using this command
./cgminer -c ../miner.conf -S /dev/ttyUSB0 -S /dev/ttyUSB1 -S /dev/ttyUSB2 -S /dev/ttyUSB3
miner.conf only has api and pool options.
even so, after a little while this text appears
all ok here
(5s):1.461G (avg):1.301Gh/s | A:9 R:0 HW:0 U:11.8/m WU:11.8/m
ST: 2 SS: 0 NB: 1 LW: 33 GF: 0 RF: 0
Connected to stratum.bitcoin.cz diff 1 with stratum as user shawtux.2
Block: 005b778b2574d43f... Diff:21.3M Started: [01:05:17] Best share: 6
--------------------------------------------------------------------------------
[P]ool management [S]ettings [D]isplay options [Q]uit
ICA 0: | 306.8M/299.8Mh/s | A:5 R:0 HW:0 U: 6.53/m
ICA 1: | 306.5M/378.4Mh/s | A:1 R:0 HW:0 U: 1.31/m
ICA 2: | 309.0M/317.1Mh/s | A:1 R:0 HW:0 U: 1.31/m
ICA 3: | 296.1M/305.8Mh/s | A:2 R:0 HW:0 U: 2.61/m
--------------------------------------------------------------------------------
[2013-07-04 01:05:30] Accepted c3b4878c Diff 1/1 ICA 1 pool 0
[2013-07-04 01:05:30] Stratum from pool 0 requested work restart
[2013-07-04 01:05:32] Accepted eb7d154a Diff 1/1 ICA 0 pool 0
[2013-07-04 01:05:34] Accepted 80b99e56 Diff 1/1 ICA 0 pool 0
[2013-07-04 01:05:34] Accepted 677735c7 Diff 2/1 ICA 0 pool 0
[2013-07-04 01:05:37] Accepted e46e8ee2 Diff 1/1 ICA 3 pool 0
[2013-07-04 01:05:55] Accepted fbd0ef4e Diff 1/1 ICA 0 pool 0
[2013-07-04 01:05:57] Accepted fc4c45fc Diff 1/1 ICA 2 pool 0
[2013-07-04 01:05:57] Accepted b8156d9e Diff 1/1 ICA 0 pool 0
[2013-07-04 01:05:58] Accepted 2a79f19d Diff 6/1 ICA 3 pool 0
here it fails out of the blue like after 10min.
(5s):1.571G (avg):1.441Gh/s | A:100 R:0 HW:0 U:9.2/m WU:9.2/m
ST: 2 SS: 0 NB: 1 LW: 318 GF: 0 RF: 0
Connected to stratum.bitcoin.cz diff 1 with stratum as user shawtux.2
Block: 005b778b2574d43f... Diff:21.3M Started: [01:05:17] Best share: 2.01K
--------------------------------------------------------------------------------
[P]ool management [S]ettings [D]isplay options [Q]uit
ICA 0: | OFF /358.0Mh/s | A:28 R:0 HW:0 U: 2.58/m
ICA 1: | OFF /365.6Mh/s | A:20 R:0 HW:0 U: 1.84/m
ICA 2: | OFF /360.7Mh/s | A:25 R:0 HW:0 U: 2.30/m
ICA 3: | OFF /357.3Mh/s | A:27 R:0 HW:0 U: 2.49/m
--------------------------------------------------------------------------------
[2013-07-04 01:16:05] ICA1: Comms error
[2013-07-04 01:16:05] Failed to open Icarus on /dev/ttyUSB1
[2013-07-04 01:16:05] ICA1: Comms error
[2013-07-04 01:16:05] ICA 1 failure, disabling!
[2013-07-04 01:16:05] Thread 1 being disabled
[2013-07-04 01:16:05] ICA3: Comms error
[2013-07-04 01:16:05] Failed to open Icarus on /dev/ttyUSB3
[2013-07-04 01:16:05] ICA3: Comms error
[2013-07-04 01:16:05] ICA 3 failure, disabling!
[2013-07-04 01:16:05] Thread 3 being disabled
any ideas?