I'm getting hw errors when mining x15 with Radeon 5000 series cards. 7000 series and 280x work fine with sgminer beta.

Anyone have any ideas on this issue? The 5000 series hash, but get only hw errors and no accepted work results

@echo off
COLOR 0A
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_USE_SYNC_OBJECTS 1
set GPU_MAX_ALLOC_PERCENT 100
set GPU_USE_SYNC_OBJECTS 1
sgminer.exe -c X11.conf

{
"pools" : [
   {
      "quota" : "100;stratum+tcp://pool1.us.multipool.us:3375",
      "user" : "blahblah",
      "pass" : "x"
        }
]
,
"kernel" : "x11mod",
"intensity" : "17",
"vectors" : "1",
"worksize" : "64",
"lookup-gap" : "2",
"thread-concurrency" : "448",
"shaders" : "80",
"gpu-engine" : "680-860",
"gpu-fan" : "100-100",
"gpu-memclock" : "620",
"gpu-memdiff" : "0",
"gpu-powertune" : "20",
"gpu-vddc" : "0.000",
"temp-cutoff" : "95",
"temp-overheat" : "85",
"temp-target" : "75",
"api-mcast-port" : "4028",
"api-port" : "4028",
"expiry" : "90",
"failover-only" : true,
"gpu-dyninterval" : "7",
"gpu-platform" : "0",
"gpu-threads" : "1",
"log" : "5",
"no-pool-disable" : true,
"no-submit-stale" : false,
"load-balance" : true,
"queue" : "0",
"scan-time" : "60",
"temp-hysteresis" : "3",
"shares" : "0",
"load-balance" : true,
"kernel-path" : "/usr/local/bin",
"no-client-reconnect" : true
}