Re: kernel hangs with SMP/Hyperthreading

2003-10-30 Thread supraexpress
Interrupting the normal boot sequence as suggested below has not worked in the past for this problem. Inserting debug statements in the source code (as noted in a PR, but I can't remember which one) in the while (read_intr_count(8) 6) loop showed that the count value started at 0 and never

kernel hangs with SMP/Hyperthreading

2003-10-28 Thread Bernhard Valenti
hi, i built a kernel with APIC_IO and SMP for my p4 with hyperthreading. when i try to boot the kernel it hangs during boot at: APIC_IO: Testing 8254 interrupt delivery doing while (read_intr_count(8) 6) ; /* nothing */ (sys/i386/isa/clock.c:1030) read_intr_count(8) returns 0

Re: kernel hangs with SMP/Hyperthreading

2003-10-28 Thread Scott Long
Hi, There is a discussion going on about strange interactions between the boot menu and SMP that sounds very much like what you describe. FOr a workaround, at the boot menu, select option 6, then type 'boot' at the prompt. Scott On Tue, 28 Oct 2003, Bernhard Valenti wrote: hi, i built a