Ju, Seokmann wrote: ... > Technically, I would recommend you to check F/W version and make sure it is not higher than 6.61. > I believe the problem happens with 6.62 or higher. Bingo! megaraid_mbox works for me with F/W 6.61. How did you know? I enclose a trivial patch that checks for F/W version and displays a warning if too high. It should make life easier for those who may face the problem :). Thank you, Janusz