Hi Oleksij, Thanks again for your work on the new mmc alcor driver. Testing it quickly for the first time, with a Transcend Class 10 32GB SD card that I have on hand (on Asus P4540UQ / AU6621). The driver seems to be working (cool!), but I/O performance is much lower than the ugly vendor driver (ampe_stor). dd if=/dev/XXX of=/dev/null bs=1M count=32 On ampe_stor : 12.1mb/sec On new alcor driver: 364kb/sec I'm planning to investigate in more detail, but if you have any quick starting suggestions on things to check, that would be appreciated. Daniel
