Re: [patch] Real-Time Preemption, -RT-2.6.12-rc6-V0.7.48-00

From: Ingo Molnar
Date: Thu Jun 16 2005 - 12:38:44 EST

* K.R. Foley <kr@xxxxxxxxxx> wrote:

> > could you uncomment the IO_APIC_CACHE define in
> > arch/i386/kernel/io_apic.c, and could you uncomment line 1109 in
> > drivers/ide/ide-io.c - does this fix things? (in apic mode)

> Couple of things: 1) I could not find IO_APIC_CACHE anywhere. I could
> find IOAPIC_CACHE but the define was not commented in io_apic.c. Also
> the BUG_ON at line 1109 in ide-io.c was not commented out either. So I
> made the mental leap that you actually meant to comment these out
> instead of uncomment them??? [...]

yeah, sorry :-|

> [...] That works to get the system booted. Although I am getting many
> soft lockups now, minutes after the boot. Log attached. [...]

hm, do you get actual lockups, or only the messages about them? I.e.
does the system work fine if you [the sounds of careful thinking to get
the word right] disable CONFIG_DETECT_SOFTLOCKUP, or does it lock up

> [...] 2) In my infinite wisdom before :-) I failed to attach my config
> as I should have done before. Also, commenting out

this looks like a sentence worth finishing? :)

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at