Restart Miner software. I had the same issue so I switch to bfgminer I could have just restarted cgminer but I went back to bfgminer
It fixed itself after about 30 minutes, no miner restart. My accepted shares on the site jumped and last share at went back to 0 minutes.
I guess I'm just curious if its a cgminer thing or a Slush thing.
I'll have to research bfgminer. I like cgminer because its cross platform, has built in overclocking for OpenCL devices, allows you to setup failover pools, and it seems to be much more reliable than guiminer (that
abomination software was never stable for me)
Anyone else see this sort of thing happen? I am also curious if Slush is still recording the accepted shares so I am credited correctly for each round or not.