I tried this on 8 x nVidia P106-100 cards with STOCK clocks.
Unfortunately it does not seem to work:
# zm 0.5.6
# GPU0 + P106-100 MB: 6075 PCI: 1:0
# GPU1 + P106-100 MB: 6075 PCI: 2:0
# GPU2 + P106-100 MB: 6075 PCI: 3:0
# GPU3 + P106-100 MB: 6075 PCI: 4:0
# GPU4 + P106-100 MB: 6075 PCI: 6:0
# GPU5 + P106-100 MB: 6075 PCI: 7:0
# GPU6 + P106-100 MB: 6075 PCI: 8:0
# GPU7 + P106-100 MB: 6075 PCI: 9:0
# GPU0 connected to: zec-eu1.dwarfpool.com:3335
# GPU1 connected to: zec-eu1.dwarfpool.com:3335
# GPU2 connected to: zec-eu1.dwarfpool.com:3335
# GPU3 connected to: zec-eu1.dwarfpool.com:3335
# GPU4 connected to: zec-eu1.dwarfpool.com:3335
# GPU5 connected to: zec-eu1.dwarfpool.com:3335
# GPU6 connected to: zec-eu1.dwarfpool.com:3335
# GPU7 connected to: zec-eu1.dwarfpool.com:3335
# GPU0 server set difficulty to: 000ffffe0000000000000000...
# GPU0 server set difficulty to: 000ffffe0000000000000000...
# GPU1 server set difficulty to: 000ffffe0000000000000000...
# GPU1 server set difficulty to: 000ffffe0000000000000000...
# GPU2 server set difficulty to: 000ffffe0000000000000000...
# GPU2 server set difficulty to: 000ffffe0000000000000000...
# GPU3 server set difficulty to: 000ffffe0000000000000000...
# GPU3 server set difficulty to: 000ffffe0000000000000000...
# GPU4 server set difficulty to: 000ffffe0000000000000000...
# GPU4 server set difficulty to: 000ffffe0000000000000000...
# GPU5 server set difficulty to: 000ffffe0000000000000000...
# GPU5 server set difficulty to: 000ffffe0000000000000000...
gpu_id 4 1 64 the launch timed out and was terminated
gpu 4 unresponsive - check overclocking
gpu_id 3 2 32 the launch timed out and was terminated
gpu 3 unresponsive - check overclocking
gpu_id 0 2 0 the launch timed out and was terminated
gpu 0 unresponsive - check overclocking
gpu_id 2 0 0 the launch timed out and was terminated
gpu 2 unresponsive - check overclocking
gpu_id 1 0 0 the launch timed out and was terminated
gpu 1 unresponsive - check overclocking
gpu_id 5 3 0 the launch timed out and was terminated
gpu 5 unresponsive - check overclocking
# GPU6 server set difficulty to: 000ffffe0000000000000000...
# GPU6 server set difficulty to: 000ffffe0000000000000000...
gpu_id 6 0 0 the launch timed out and was terminated
gpu 6 unresponsive - check overclocking
cudaFree failed
For a fact, actually, I can't seem to be able to mine zCash with any tool on linux right now on this rig.
Is there something obvious I am missing?