lkml.org 
[lkml]   [2009]   [May]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [tip:irq/numa] x86: read apic ID in the !acpi_lapic case

* Yinghai Lu <yinghai@kernel.org> wrote:

> Ingo Molnar wrote:
> > got this on a testbox:
> >
> > [ 0.113333] WARNING: at arch/x86/kernel/apic/apic.c:253 warn_slowpath_null+0x28/0x50()
> >
> > Ingo
> >
> > [ 0.000000] Initializing cgroup subsys cpuset
> > [ 0.000000] Linux version 2.6.30-rc5-tip-01553-g4bc9bac-dirty (mingo@sirius) (gcc version 4.3.2 20081105 (Red Hat 4.3.2-7) (GCC) ) #48764 SMP PREEMPT Tue May 12 18:30:18 CEST 2009
> > [ 0.000000] Command line: root=/dev/sda1 earlyprintk=serial,ttyS0,115200 console=ttyS0,115200 console=tty debug initcall_debug apic=verbose sysrq_always_enabled 5 ignore_loglevel nosmp no_hz=off highres=0 nmi_watchdog=0 noapic nolapic_timer hpet=disable idle=poll notsc acpi=off
>
> you should use
> nolapic and noapic_timer
>
> /* same as disableapic, for compatibility */
> static int __init setup_nolapic(char *arg)
> {
> return setup_disableapic(arg);
> }
> early_param("nolapic", setup_nolapic);
>
> static int __init parse_disable_apic_timer(char *arg)
> {
> disable_apic_timer = 1;
> return 0;
> }
> early_param("noapictimer", parse_disable_apic_timer);

What do you mean? This warning never triggered before on this
test-box. This is a plain regression.

Ingo


\
 
 \ /
  Last update: 2009-05-12 20:37    [W:0.059 / U:0.296 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site