Hi, I had another system lock up using 2.4.0-test9pre5 + vmfixes-2.4.0-test9-A1 (by Ingo Molnar). This time I manage to sample the functions where the kernel was looping using SysReq + P. Here is the list: swap_out swap_out_vma try_to_swap_out find_vma __wake_up It probably doesn't help much but it was the best I could do. System: UP, 64M, IDE. Rui Sousa P.S: The stability problems started after the VM patches were integrated, before running test8 + vm3 (Rik van Riel patches) everything was ok... - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/