Re: NMI not working as expected on Dell 2850

[christos%zoulas.com@localhost (Christos Zoulas)]

On Mar 3,  1:52pm, tih%hamartun.priv.no@localhost (Tom Ivar Helbekkmo) wrote:
-- Subject: Re: NMI not working as expected on Dell 2850

| Christos Zoulas <christos%astron.com@localhost> writes:
| 
| > Don't know, but look at the code that masks and unmasks interrupts...
| 
| Or traps, as the case may be.  :)  I've been reading the code, but I
| can't tell whether any part of it looks reasonable.  It seems to go
| through /sys/arch/amd64/amd64/amd64_trap.S, then .../trap.c, and then
| .../db_interface.c, and there seems to be code there to stop other CPUs,
| but I can't tell whether it's sufficient, or even right.
| 
| As for re-enabling the functionality on "continue" from the debugger, I
| wouldn't think that should be needed -- it's a trap, not an interrupt.
| Maybe something in db_interface.c fails on subsequent invocations?

Don't know, printf is your friend... Or Qemu...

christos