When that happens, run this command and send me the result.
php -f /tmp/cgmon-api.php notify
I may be able to add support for gridseed with that information.
Ok, miner GSD 3 went down.
--------------------------------------------------------------------------------
[P]ool management [S]ettings [D]isplay options [Q]uit
GSD 0: 8D8A16685449 875 MHz | 370.1K/370.2Kh/s | A:254784 R:512 HW: 51 WU: 1.4/m N: 259 255[49] 244 236 219[2
GSD 1: 8D841F994849 888 MHz | 375.8K/375.7Kh/s | A:266880 R: 0 HW: 32 WU: 1.5/m N: 231 255 257[28] 241[4] 26
GSD 2: 8D82348D5753 850 MHz | 359.5K/359.6Kh/s | A:263616 R:256 HW:164 WU: 1.5/m N: 270[65] 278[76] 279[22] 2
GSD 3: 6D8514714857 913 MHz | OFF /320.9Kh/s | A:226112 R:256 HW: 5 WU: 1.1/m N: 170 203 186 174[5] 188
--------------------------------------------------------------------------------
[2014-04-05 13:21:26] Accepted 4a13a3d4 Diff 885/256 GSD 1 pool 0
[2014-04-05 13:21:32] Accepted 2728d78c Diff 1.67K/256 GSD 2 pool 0
[2014-04-05 13:21:46] Accepted cdf2dcd2 Diff 318/256 GSD 2 pool 0
[2014-04-05 13:22:35] Accepted a150cecd Diff 406/256 GSD 2 pool 0
[2014-04-05 13:22:37] Stratum from pool 0 detected new block
[2014-04-05 13:22:38] Accepted 0a66c626 Diff 6.3K/256 GSD 1 pool 0
[2014-04-05 13:22:49] Accepted 551185f5 Diff 770/256 GSD 0 pool 0
[2014-04-05 13:22:53] Accepted 9b0cd043 Diff 423/256 GSD 1 pool 0
[2014-04-05 13:23:01] Accepted 2cd1cb1c Diff 1.46K/256 GSD 2 pool 0
[2014-04-05 13:23:10] Accepted a76977fd Diff 391/256 GSD 1 pool 0
[2014-04-05 13:23:14] Accepted 5dd9ddf1 Diff 698/256 GSD 0 pool 0
[2014-04-05 13:23:17] Stratum from pool 0 detected new block
pi@raspberrypi ~ $ php -f /tmp/cgmon-api.php notify
notify returned 'STATUS=S,When=1396718524,Code=60,Msg=Notify,Description=cgminer 3.7.2|NOTIFY=0,Name=GSD,ID=0,Last Well=1396718524,Last Not Well=0,Reason Not Well=None,*Thread Fail Init=0,*Thread Zero Hash=0,*Thread Fail Queue=0,*Dev Sick Idle 60s=0,*Dev Dead Idle 600s=0,*Dev Nostart=0,*Dev Over Heat=0,*Dev Thermal Cutoff=0,*Dev Comms Error=0,*Dev Throttle=0|NOTIFY=1,Name=GSD,ID=1,Last Well=1396718524,Last Not Well=0,Reason Not Well=None,*Thread Fail Init=0,*Thread Zero Hash=0,*Thread Fail Queue=0,*Dev Sick Idle 60s=0,*Dev Dead Idle 600s=0,*Dev Nostart=0,*Dev Over Heat=0,*Dev Thermal Cutoff=0,*Dev Comms Error=0,*Dev Throttle=0|NOTIFY=2,Name=GSD,ID=2,Last Well=1396718524,Last Not Well=0,Reason Not Well=None,*Thread Fail Init=0,*Thread Zero Hash=0,*Thread Fail Queue=0,*Dev Sick Idle 60s=0,*Dev Dead Idle 600s=0,*Dev Nostart=0,*Dev Over Heat=0,*Dev Thermal Cutoff=0,*Dev Comms Error=0,*Dev Throttle=0|NOTIFY=3,Name=GSD,ID=3,Last Well=1396710329,Last Not Well=1396710329,Reason Not Well=Thread got zero hashes,*Thread Fail Init=0,*Thread Zero Hash=1,*Thread Fail Queue=0,*Dev Sick Idle 60s=0,*Dev Dead Idle 600s=0,*Dev Nostart=0,*Dev Over Heat=0,*Dev Thermal Cutoff=0,*Dev Comms Error=0,*Dev Throttle=0|'
Array
(
[STATUS] => Array
(
[STATUS] => S
[When] => 1396718524
[Code] => 60
[Msg] => Notify
[Description] => cgminer 3.7.2
)
[NOTIFY0] => Array
(
[NOTIFY] => 0
[Name] => GSD
[ID] => 0
[Last Well] => 1396718524
[Last Not Well] => 0
[Reason Not Well] => None
[*Thread Fail Init] => 0
[*Thread Zero Hash] => 0
[*Thread Fail Queue] => 0
[*Dev Sick Idle 60s] => 0
[*Dev Dead Idle 600s] => 0
[*Dev Nostart] => 0
[*Dev Over Heat] => 0
[*Dev Thermal Cutoff] => 0
[*Dev Comms Error] => 0
[*Dev Throttle] => 0
)
[NOTIFY1] => Array
(
[NOTIFY] => 1
[Name] => GSD
[ID] => 1
[Last Well] => 1396718524
[Last Not Well] => 0
[Reason Not Well] => None
[*Thread Fail Init] => 0
[*Thread Zero Hash] => 0
[*Thread Fail Queue] => 0
[*Dev Sick Idle 60s] => 0
[*Dev Dead Idle 600s] => 0
[*Dev Nostart] => 0
[*Dev Over Heat] => 0
[*Dev Thermal Cutoff] => 0
[*Dev Comms Error] => 0
[*Dev Throttle] => 0
)
[NOTIFY2] => Array
(
[NOTIFY] => 2
[Name] => GSD
[ID] => 2
[Last Well] => 1396718524
[Last Not Well] => 0
[Reason Not Well] => None
[*Thread Fail Init] => 0
[*Thread Zero Hash] => 0
[*Thread Fail Queue] => 0
[*Dev Sick Idle 60s] => 0
[*Dev Dead Idle 600s] => 0
[*Dev Nostart] => 0
[*Dev Over Heat] => 0
[*Dev Thermal Cutoff] => 0
[*Dev Comms Error] => 0
[*Dev Throttle] => 0
)
[NOTIFY3] => Array
(
[NOTIFY] => 3
[Name] => GSD
[ID] => 3
[Last Well] => 1396710329
[Last Not Well] => 1396710329
[Reason Not Well] => Thread got zero hashes
[*Thread Fail Init] => 0
[*Thread Zero Hash] => 1
[*Thread Fail Queue] => 0
[*Dev Sick Idle 60s] => 0
[*Dev Dead Idle 600s] => 0
[*Dev Nostart] => 0
[*Dev Over Heat] => 0
[*Dev Thermal Cutoff] => 0
[*Dev Comms Error] => 0
[*Dev Throttle] => 0
)
)
[/code]