DragonFly BSD
DragonFly bugs List (threaded) for 2003-07
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Re: SMP kernel hanging at when testing 8254 interrupt delivery


From: Chip Norkus <wd@xxxxxxxx>
Date: Thu, 31 Jul 2003 22:19:20 -0500

David P. Reese Jr. wrote:
A UP kernel boots just fine, however when I try to boot an SMP kernel the
boot process hangs in a loop in sys/i386/isa/clock.c.

$DragonFly: src/sys/i386/isa/clock.c,v 1.4 2003/07/06 21:23:49 dillon Exp $
...
#ifdef APIC_IO
if (apic_8254_trial) {
printf("APIC_IO: Testing 8254 interrupt delivery\n");
while (read_intr_count(8) < 6) <-- hangs here
; /* nothing */


What is most bothersome is that the SMP kernel hoses my CMOS checksum,
hinting that this is a result of a larger problem.


I've got the same hang, but it's not hosing anything else on my system. I will try and take a stab at it later tomorrow (light on sleep tonight).


My snapshot is as of about 6pm CDT today.

-wd




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