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Re: Debugging pc platform


On Tue, Feb 28, 2006 at 05:08:32PM +0000, David Fernandez wrote:
> 
> 	Hi there,
> 
> 	I'm trying to run eCos in a couple of pc platforms... At the moment,
> I've configured a pc_i82544 + redboot + FLOPPY_SMP, and running it on a
> 2 Xeon board and a 2 Pentium-S board, both SMP 1.4 and no ACPI.
> 
> 	I've found problems with the 2 Pentium-S board, unless disabling SMP
> support in eCos HAL \ i386 Architecture, it hangs just after loading
> from floppy.
> 
> 	I've enabled the SHOW_DIAGNOSTICS in pcmb_smp.c, and redirected Debug
> and Diagnostics to Port 2 (PC Screen). It prints a lot of messages and
> then stops with something similar to a GDB stream... None of the above
> messages seem to indicate an error, but I can't see them all.

Well the output to gdb will be interesting. Set the diagnostics to go
out the serial port and run gdb on the other end.

Something else to try is enable INFRA_DEBUG and see if an assert's
fail.

        Andrew

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