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тАО11-09-2005 11:15 AM
тАО11-09-2005 11:15 AM
problem after "cpu 0 off" on K220
Hi,
I've got a 9000/K220 with two CPUs. To test
a theory about something, I wanted to boot
with just CPU 1, so I did "cpu 0 off" in
the COnfig menu (below the ISL) and
rebooted. Oh Oh. CPU 1 gets to the
monarch selection phase (INIT C101)
and hangs there. Since it doesn't get up any farther, I can't do a "CPU 0 ON" :)
Any suggestions?
I can see four different possible solutions:
1) pull CPU 0, leave CPU 1 in slot 1
and try again.
2) swap CPU 0 and 1, and when it boots
to the PDC prompt, do a CPU 1 ON
3) pull CPU 1, and hope that the firmware
is bright enough to say "darn, only
one CPU and that's disabled ... well,
guess I've got to use it anyway".
4) a dagger card to poke CPU 0 back to
being enabled ... but (a) I don't have
a dagger card, and (b) I don't know
if any were developed for K Class
systems.
Background: I thought a CPU in any slot
could be the monarch, and that the boot
firmware would "crown" the lowest numbered
CPU that wasn't disabled. Hence, AFAIK,
it *ought* to boot from CPU 1 :)
thanks!
Stan
sieler@allegro.com
I've got a 9000/K220 with two CPUs. To test
a theory about something, I wanted to boot
with just CPU 1, so I did "cpu 0 off" in
the COnfig menu (below the ISL) and
rebooted. Oh Oh. CPU 1 gets to the
monarch selection phase (INIT C101)
and hangs there. Since it doesn't get up any farther, I can't do a "CPU 0 ON" :)
Any suggestions?
I can see four different possible solutions:
1) pull CPU 0, leave CPU 1 in slot 1
and try again.
2) swap CPU 0 and 1, and when it boots
to the PDC prompt, do a CPU 1 ON
3) pull CPU 1, and hope that the firmware
is bright enough to say "darn, only
one CPU and that's disabled ... well,
guess I've got to use it anyway".
4) a dagger card to poke CPU 0 back to
being enabled ... but (a) I don't have
a dagger card, and (b) I don't know
if any were developed for K Class
systems.
Background: I thought a CPU in any slot
could be the monarch, and that the boot
firmware would "crown" the lowest numbered
CPU that wasn't disabled. Hence, AFAIK,
it *ought* to boot from CPU 1 :)
thanks!
Stan
sieler@allegro.com
3 REPLIES 3
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тАО11-09-2005 11:16 AM
тАО11-09-2005 11:16 AM
Re: problem after "cpu 0 off" on K220
Hi,
I forgot to add: it's self-maintained.
I forgot to add: it's self-maintained.
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тАО11-09-2005 06:57 PM
тАО11-09-2005 06:57 PM
Re: problem after "cpu 0 off" on K220
Give this a try:
remove cpu1 and start with cpu0. since the system needs a cpu to do a selftest, I can imagine you are able to go to ISL with some warnings.
Hope this helps!
Regards
Torsten.
__________________________________________________
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those who understand binary, and those who don't.
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remove cpu1 and start with cpu0. since the system needs a cpu to do a selftest, I can imagine you are able to go to ISL with some warnings.
Hope this helps!
Regards
Torsten.
__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.
__________________________________________________
No support by private messages. Please ask the forum!
If you feel this was helpful please click the KUDOS! thumb below!
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тАО11-10-2005 07:55 AM
тАО11-10-2005 07:55 AM
Re: problem after "cpu 0 off" on K220
Hello,
INIT C10x Starting the monarch processor selection, where x = CPU number
=> this looks as if the PDC/FW tried to start CPU #1 as Monarch... (boot CPU)...
=> swap CPUs and try the other one
Regards.
Tobias
INIT C10x Starting the monarch processor selection, where x = CPU number
=> this looks as if the PDC/FW tried to start CPU #1 as Monarch... (boot CPU)...
=> swap CPUs and try the other one
Regards.
Tobias
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