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Top Forums UNIX for Dummies Questions & Answers insmod: Invalid module format error Post 302595517 by Corona688 on Friday 3rd of February 2012 10:43:52 AM
Old 02-03-2012
Did you build your new kernel starting with the same options your original kernel was built with? They may be available in /proc/config.gz. They may also be stored under /boot somewhere, as config-kernelname. Kernel settings can drastically alter the way the kernel works so, if you don't build the kernel with the right options, the module won't match the kernel, and the kernel will rightly refuse to load it.

Code:
modprobe config # might not be necessary
gunzip < /proc/config.gz > .config
make menuconfig

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AIO(4)							   BSD Kernel Interfaces Manual 						    AIO(4)

NAME
aio -- asynchronous I/O SYNOPSIS
To link into the kernel: options VFS_AIO To load as a kernel loadable module: kldload aio DESCRIPTION
The aio facility provides system calls for asynchronous I/O. It is available both as a kernel option for static inclusion and as a dynamic kernel module. SEE ALSO
aio_cancel(2), aio_error(2), aio_read(2), aio_return(2), aio_suspend(2), aio_waitcomplete(2), aio_write(2), lio_listio(2), config(8), kldload(8), kldunload(8) HISTORY
The aio facility appeared as a kernel option in FreeBSD 3.0. The aio kernel module appeared in FreeBSD 5.0. BSD
October 24, 2002 BSD
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