Quote from: reorder on January 15, 2014, 03:44:15 PM
Looks like your card is giving hardware errors, could be an overheat or power issue.

I guess undervolting counts as well?

I use reflashed BIOS with 1.056 V, that could be the reason.
I will try with higher voltage.

Please advise on how to work around this (95% of my results are "verify-errors"):

QuoteSkipping device 0-1 (AMD FX(tm)-6300 Six-Core Processor             ): not a GPU
Wed Jan 15 00:52:14 2014 Miner Starts - mmcpool.1gh.com:8081
MC2Hasher:0-0 initialized on platform AMD Accelerated Parallel Processing, device: Tahiti vendor: Advanced Micro Devices, Inc., mem: 3079667712 with 1-pass algo
Wed Jan 15 00:52:34 2014 Worker 0 hpm 3.596990 wpm 14.387955 A/R/T 0/1/0 -> RPC result: Rejected verify-error
Wed Jan 15 00:52:43 2014 Worker 0 hpm 6.849740 wpm 13.699478 A/R/T 0/2/0 -> RPC result: Rejected verify-error
Wed Jan 15 01:34:34 2014 Worker 0 hpm 13.301551 wpm 14.307550 A/R/T 0/36/0 -> RPC result: Rejected prevhash-unknown
Wed Jan 15 01:35:29 2014 Worker 0 hpm 13.386896 wpm 14.299639 A/R/T 0/37/0 -> RPC result: Rejected verify-error
Wed Jan 15 01:35:49 2014 Worker 0 hpm 13.240536 wpm 14.319394 A/R/T 0/38/0 -> RPC result: Rejected prevhash-stale

Hi!

On my 1x7950 I'm getting a lot of verify errors.

Skipping device 0-1 (AMD FX(tm)-6300 Six-Core Processor             ): not a GPU
Wed Jan 15 00:52:14 2014 Miner Starts - mmcpool.1gh.com:8081
MC2Hasher:0-0 initialized on platform AMD Accelerated Parallel Processing, device: Tahiti vendor: Advanced Micro Devices, Inc., mem: 3079667712 with 1-pass algo
Wed Jan 15 00:52:34 2014 Worker 0 hpm 3.596990 wpm 14.387955 A/R/T 0/1/0 -> RPC result: Rejected verify-error
Wed Jan 15 00:52:43 2014 Worker 0 hpm 6.849740 wpm 13.699478 A/R/T 0/2/0 -> RPC result: Rejected verify-error
Wed Jan 15 00:52:47 2014 Worker 0 hpm 7.970875 wpm 13.949030 A/R/T 0/3/0 -> RPC result: Rejected verify-error
Wed Jan 15 00:53:08 2014 Worker 0 hpm 12.902897 wpm 14.075887 A/R/T 0/4/0 -> RPC result: Rejected verify-error
Wed Jan 15 00:53:53 2014 Worker 0 hpm 13.083943 wpm 14.330032 A/R/T 0/5/0 -> RPC result: Rejected verify-error
Wed Jan 15 00:53:54 2014 Worker 0 hpm 14.255493 wpm 14.255492 A/R/T 0/6/0 -> RPC result: Rejected verify-error
Wed Jan 15 00:54:06 2014 Worker 0 hpm 14.373935 wpm 14.373935 A/R/T 0/7/0 -> RPC result: Rejected verify-error
Wed Jan 15 00:54:10 2014 Worker 0 hpm 14.373149 wpm 14.373148 A/R/T 0/8/0 -> RPC result: Rejected verify-error
Wed Jan 15 00:54:10 2014 Worker 0 hpm 14.864030 wpm 14.333172 A/R/T 0/9/0 -> RPC result: Rejected verify-error
Wed Jan 15 00:54:10 2014 Worker 0 hpm 15.370370 wpm 14.310345 A/R/T 0/10/0 -> RPC result: Rejected verify-error
Wed Jan 15 00:54:18 2014 Worker 0 hpm 15.364538 wpm 14.373277 A/R/T 0/11/0 -> RPC result: Rejected verify-error
Wed Jan 15 00:54:28 2014 Worker 0 hpm 15.168894 wpm 14.249566 A/R/T 0/12/0 -> RPC result: Rejected verify-error
Wed Jan 15 00:54:28 2014 Worker 0 hpm 15.550263 wpm 14.178181 A/R/T 0/13/0 -> RPC result: Rejected verify-error
Wed Jan 15 00:55:12 2014 Worker 0 hpm 14.727169 wpm 14.384677 A/R/T 0/14/0 -> RPC result: Rejected verify-error
Wed Jan 15 00:55:19 2014 Worker 0 hpm 15.181816 wpm 14.191697 A/R/T 0/15/0 -> RPC result: Rejected verify-error
Wed Jan 15 00:55:30 2014 Worker 0 hpm 15.551517 wpm 14.307395 A/R/T 1/15/0 -> RPC result: Accepted
Wed Jan 15 00:55:31 2014 Worker 0 hpm 15.792157 wpm 14.243906 A/R/T 1/16/0 -> RPC result: Rejected verify-error
Wed Jan 15 00:55:37 2014 Worker 0 hpm 16.784651 wpm 14.386844 A/R/T 1/17/0 -> RPC result: Rejected verify-error
Wed Jan 15 00:55:46 2014 Worker 0 hpm 16.944063 wpm 14.359375 A/R/T 1/18/0 -> RPC result: Rejected verify-error
Wed Jan 15 00:56:08 2014 Worker 0 hpm 16.651881 wpm 14.310210 A/R/T 1/19/0 -> RPC result: Rejected verify-error
Wed Jan 15 00:56:29 2014 Worker 0 hpm 16.679457 wpm 14.296677 A/R/T 1/20/0 -> RPC result: Rejected verify-error

Thoughts?

EDIT: Sometimes also this:
Wed Jan 15 01:34:34 2014 Worker 0 hpm 13.301551 wpm 14.307550 A/R/T 0/36/0 -> RPC result: Rejected prevhash-unknown
Wed Jan 15 01:35:29 2014 Worker 0 hpm 13.386896 wpm 14.299639 A/R/T 0/37/0 -> RPC result: Rejected verify-error
Wed Jan 15 01:35:49 2014 Worker 0 hpm 13.240536 wpm 14.319394 A/R/T 0/38/0 -> RPC result: Rejected prevhash-stale