Re: 2.2.5 parallel port driver locks up the kernel
Philip Blundell (pb@nexus.co.uk)
Thu, 22 Jul 1999 10:30:09 +0100
>The kernel locked up at boot. I could not even use the alt-sysrq key. I used
> printks to debug it further, and isolate the problem.
> Kernel 2.2.5 crashed right after the "printk ("5 " message in
> probe_one_port in parport_pc.c in the drivers/misc directory. It had been
>called from parport_pc_init using 0x378, irq[0], dma[0]. My printer port
>hardware uses 0x378. It is an older card, perhaps even of the XT era.
It sounds as if the probe for EPP and/or ECP is upsetting something else in
your system. You might be able to discourage this by putting
something like `reserve=0x37b,5 reserve=0x778,8' on your kernel command
line.
p.
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