On giovedì 16 marzo 2023 19:35:09 CET Khadija Kamran wrote: > On Thu, Mar 16, 2023 at 05:17:47PM +0100, Fabio M. De Francesco wrote: [snip] > > When you are done with build, install, and final reboot to test if your > > module can "modprobe" or "insmod" (i.e. link with the running custom kernel > > you built, installed and boot), try to compare the output of the following > > commands: > > > > # uname -a > > Linux suse 6.2.2-1-default #1 SMP PREEMPT_DYNAMIC Thu Mar 9 06:06:13 UTC > > 2023 (44ca817) x86_64 x86_64 x86_64 GNU/Linux > > The above command works > > > AND > > > > # modinfo <name of the module you are testing here> > > On running 'modinfo axis-fifo' I get error saying module axis-fifo not > found. I built axis-fifo with your changes and then I ran "make install modules_install" in a QEMU/KVM x86_32 VM that I use on a Linux host for testing my patches (Linux on Linux). tweed32:~ # uname -a Linux tweed32 6.3.0-rc2-x86-32-debug+ #32 SMP PREEMPT_DYNAMIC Thu Mar 16 18:09:49 CET 2023 i686 athlon i386 GNU/Linux tweed32:~ # modinfo axis-fifo filename: /lib/modules/6.3.0-rc2-x86-32-debug+/kernel/drivers/staging/ axis-fifo/axis-fifo.ko description: Xilinx AXI-Stream FIFO v4.1 IP core driver author: Jacob Feder <jacobsfeder@xxxxxxxxx> license: GPL srcversion: EBF46AD6851EAAE67D1000B alias: of:N*T*Cxlnx,axi-fifo-mm-s-4.1C* alias: of:N*T*Cxlnx,axi-fifo-mm-s-4.1 depends: staging: Y retpoline: Y intree: Y name: axis_fifo vermagic: 6.3.0-rc2-x86-32-debug+ SMP preempt mod_unload modversions K7 parm: read_timeout:ms to wait before blocking read() timing out; set to -1 for no timeout (long) parm: write_timeout:ms to wait before blocking write() timing out; set to -1 for no timeout (long) Do you see the "parm" lines? What's the type of read and write_timeout? Fabio
