Grzegorz G., given how you already mailed what appeared to be the appropriate mailing list with no response, you are welcome to either make a bug report on kernel.org or repost to the mailing list with latest mainline kernel tested (3.12-rc4).
Grzegorz G., given how you already mailed what appeared to be the appropriate mailing list with no response, you are welcome to either make a bug report on kernel.org or repost to the mailing list with latest mainline kernel tested (3.12-rc4).