On Wed, Feb 16, 2011 at 07:01:06PM +0000, Pawel Moll wrote: > / # dd if=/dev/mmcblk0 of=/dev/null bs=128k count=10 > 10+0 records in > 10+0 records out > 1310720 bytes (1.3MB) copied, 46.539866 seconds, 27.5KB/s > / # sleep 30 > / # dd if=/dev/mmcblk0 of=/dev/null bs=128k count=10 > 10+0 records in > 10+0 records out > 1310720 bytes (1.3MB) copied, 46.540215 seconds, 27.5KB/s > > > So it does the right thing with decreasing the clock rate in face of > problems, I just can't see it clocking it back up...
You need at least 100 requests before it'll consider clocking back up. Once it has 100 requests, no more than 5% of them at the current clock rate must have failed for it to consider clocking up. I found with fewer requests, it was forever clocking down, up, down very frequently. -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
