[ 59.869976] atitweak[3733]: segfault at 4890000 ip b74cdcad sp bf98ce80 error 6 in libc-2.11.3.so[b745e000+140000]
[ 59.946566] atitweak[3738]: segfault at 552b01c6 ip b74c2cad sp bff3a1d0 error 6 in libc-2.11.3.so[b7453000+140000]
[ 59.988089] atitweak[3750]: segfault at 89c0458b ip b75b9cad sp bfc5eee0 error 6 in libc-2.11.3.so[b754a000+140000]
[ 60.062339] atitweak[3756]: segfault at b75ab759 ip b746bcad sp bfd00630 error 7 in libc-2.11.3.so[b73fc000+140000]
I cleared CMOS, then tried another pen drive with smos installed - drops same errors with 1, 2 or 3 cards inserted.