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I'm trying to write a driver for three stepper motors attached to the
parallel port for kernel 2.6. I have chosen the direct outb method
a kernel module, because I was not sure if there was a mode to have
control over the parallel port in the parport module.
But both in kernel and in user mode, the computer hangs after some
output to the ports (I have unloaded all other parallel port drivers,
BTW). I both use the data and the control port, but the computer hangs
also when i just use the data port.
I switched the parport mode in the BIOS from normal (don't know what
that is) to spp. For normal mode, the computer simply hangs, and for spp, I
get a kernel panic: "divide error: 0000" and the pc speaker generates a
Can someone help me?
Perhaps it would be better to use the parport module, but i do not know
how to get/if it is possible to get full control about all output and
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This archive was generated by hypermail 2b29 : Tue Sep 30 2003 - 07:01:11 EDT