linux-kernel - Re: WARNING: at arch/x86/kernel/genapic

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Message-Id: <200805070041.55369.rjw@sisk.pl>
Date:	Wed, 7 May 2008 00:41:55 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	"Zdenek Kabelac" <zdenek.kabelac@...il.com>
Cc:	lkml <linux-kernel@...r.kernel.org>
Subject: Re: WARNING: at arch/x86/kernel/genapic_64.c:86

On Tuesday, 22 of April 2008, Zdenek Kabelac wrote:
> Hello
> 
> I've update to the current commit 2.6.25
> 8a81f2738f10ca817c975cec893aa58497e873b2

Does it still happen with the current -git?

> I get this boot WARNING:
> 
>  tbxface-0598 [00] tb_load_namespace     : ACPI Tables successfully acquired
> evxfevnt-0091 [00] enable                : Transition to ACPI mode successful
> ------------[ cut here ]------------
> WARNING: at arch/x86/kernel/genapic_64.c:86 read_apic_id+0x81/0x90()
> Modules linked in:
> Pid: 1, comm: swapper Not tainted 2.6.25 #57
> 
> Call Trace:
>  [<ffffffff8103d64f>] warn_on_slowpath+0x5f/0x90
>  [<ffffffff81062afa>] ? get_lock_stats+0x2a/0x70
>  [<ffffffff81062b4e>] ? put_lock_stats+0xe/0x30
>  [<ffffffff81038b56>] ? set_cpus_allowed_ptr+0x86/0x120
>  [<ffffffff812ee295>] ? _spin_unlock_irqrestore+0x65/0x90
>  [<ffffffff810649e1>] ? trace_hardirqs_on+0x131/0x190
>  [<ffffffff812ee275>] ? _spin_unlock_irqrestore+0x45/0x90
>  [<ffffffff810233f1>] read_apic_id+0x81/0x90
>  [<ffffffff814bdcde>] verify_local_APIC+0xc4/0x186
>  [<ffffffff814bcaaf>] native_smp_prepare_cpus+0x16e/0x38f
>  [<ffffffff814b139b>] kernel_init+0x5a/0x31b
>  [<ffffffff810649e1>] ? trace_hardirqs_on+0x131/0x190
>  [<ffffffff812ee1ed>] ? _spin_unlock_irq+0x3d/0x80
>  [<ffffffff812edbd9>] ? trace_hardirqs_on_thunk+0x35/0x3a
>  [<ffffffff810649e1>] ? trace_hardirqs_on+0x131/0x190
>  [<ffffffff8100d548>] child_rip+0xa/0x12
>  [<ffffffff8100cc33>] ? restore_args+0x0/0x30
>  [<ffffffff814b1341>] ? kernel_init+0x0/0x31b
>  [<ffffffff8100d53e>] ? child_rip+0x0/0x12
> 
> ---[ end trace ca143223eefdc828 ]---
> ------------[ cut here ]------------
> WARNING: at arch/x86/kernel/genapic_64.c:86 read_apic_id+0x81/0x90()
> Modules linked in:
> Pid: 1, comm: swapper Not tainted 2.6.25 #57
> 
> Call Trace:
>  [<ffffffff8103d64f>] warn_on_slowpath+0x5f/0x90
>  [<ffffffff81062afa>] ? get_lock_stats+0x2a/0x70
>  [<ffffffff81062b4e>] ? put_lock_stats+0xe/0x30
>  [<ffffffff81038b56>] ? set_cpus_allowed_ptr+0x86/0x120
>  [<ffffffff812ee295>] ? _spin_unlock_irqrestore+0x65/0x90
>  [<ffffffff810649e1>] ? trace_hardirqs_on+0x131/0x190
>  [<ffffffff812ee275>] ? _spin_unlock_irqrestore+0x45/0x90
>  [<ffffffff810233f1>] read_apic_id+0x81/0x90
>  [<ffffffff814bdd00>] verify_local_APIC+0xe6/0x186
>  [<ffffffff814bcaaf>] native_smp_prepare_cpus+0x16e/0x38f
>  [<ffffffff814b139b>] kernel_init+0x5a/0x31b
>  [<ffffffff810649e1>] ? trace_hardirqs_on+0x131/0x190
>  [<ffffffff812ee1ed>] ? _spin_unlock_irq+0x3d/0x80
>  [<ffffffff812edbd9>] ? trace_hardirqs_on_thunk+0x35/0x3a
>  [<ffffffff810649e1>] ? trace_hardirqs_on+0x131/0x190
>  [<ffffffff8100d548>] child_rip+0xa/0x12
>  [<ffffffff8100cc33>] ? restore_args+0x0/0x30
>  [<ffffffff814b1341>] ? kernel_init+0x0/0x31b
>  [<ffffffff8100d53e>] ? child_rip+0x0/0x12
> 
> ---[ end trace ca143223eefdc828 ]---
> CPU0: Intel(R) Core(TM)2 Duo CPU     T7500  @ 2.20GHz stepping 0a
> Using local APIC timer interrupts.
> 
> 
> 
> Zdenek
> --
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