Re: Linux on 386 EX SBC Card

Pavel Machek (pavel@atrey.karlin.mff.cuni.cz)
Mon, 19 Oct 1998 11:25:51 +0200


Hi!

> I've installed syslinux on the ROM drive, but I have a problem with
> sudden reboots during initialization, the reboot is btw. somehow
> caused by the line
> bh_mask |= 1 << nr;
> in init_bh() in include/linux/interrupt.h. This function is called
> during initialization of the keyboard driver, and the board reboots
> without a warning one second or so after that line has been evaluated.
> If I put an infinite while-loop right above it, the board will not
> reboot, as it will if I put the loop right below that line.

Make function kbd_bh do nothing - that should help you.

> Any suggestions on what could be causing this will be very welcome.
> My quite unqualified guess is that syslinux puts the kernel over some
> memory mapped power management I/O on the board, or that there are
> some memory holes where the kernel ends up.

No. kbd_bh does some setting of leds and it probably is not healthy.

Pavel

-- 
The best software in life is free (not shareware)!		Pavel
GCM d? s-: !g p?:+ au- a--@ w+ v- C++@ UL+++ L++ N++ E++ W--- M- Y- R+

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