Hi Mark... On Mon, Jul 14, 2008 at 5:41 PM, Mark Ryden <markryde@xxxxxxxxx> wrote: > Hello, > > I have a machine with 2.6.25 kernel (FC9) and I want to build on it a > module which can be loaded into > 2.6.23 kernel. (fc8). > I am building the module on FC9 against 2.6.23 tree and it is ok. > > I can insmod the module in 2.6.23 kernel. > However, when I try to insmod the module on 2.6.25 tree I get "invalid > module format". It's a standard warning: module insertion is forbidden if it's detected being compiled with different gcc version. It might introduce problem like stack layout, ABI and so on. However, there is always insmod -f if you insist to do that... regards, Mulyadi. -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ