From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Borislav Petkov <bp@alien8.de>, Takashi Iwai <tiwai@suse.de>,
x86-ml <x86@kernel.org>, lkml <linux-kernel@vger.kernel.org>,
Len Brown <lenb@kernel.org>
Subject: Re: irq 16: nobody cared
Date: Tue, 23 Apr 2013 08:01:39 -0700 [thread overview]
Message-ID: <20130423150138.GA3427@linux.vnet.ibm.com> (raw)
In-Reply-To: <alpine.LFD.2.02.1304231524320.21884@ionos>
On Tue, Apr 23, 2013 at 04:10:22PM +0200, Thomas Gleixner wrote:
> On Mon, 22 Apr 2013, Borislav Petkov wrote:
> > [ 1449.134864] ACPI: Preparing to enter system sleep state S5
> > [ 1449.141054] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
>
> and right after that the spurious interrupt happens. I asked Boris to
> boot with acpi_osi=Linux on the command line and the issue went
> away, though now it complains right before shutdown about:
>
> [ 123.142377] do_IRQ: 2.179 No irq handler for vector (irq -1)
>
> I wouldn't be surprised if that vector 179 was previously used for
> irq16.
>
> Without acpi_osi=Linux the BIOS manages to put the hardware into a
> state which causes an interrupt to be sent from thin air.
>
> We should have an annual "Brain Is Obviously Superfluous" award.
> This one would be high up on the nomination list.
Yow!!!
Many thanks to you and Borislav for tracking this down!!!
Thanx, Paul
> Yours grumpy
>
> tglx
>
prev parent reply other threads:[~2013-04-23 15:02 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-20 18:53 irq 16: nobody cared Borislav Petkov
2013-04-20 23:52 ` Paul E. McKenney
2013-04-21 10:34 ` Borislav Petkov
2013-04-21 16:30 ` Paul E. McKenney
2013-04-21 16:56 ` Borislav Petkov
2013-04-21 18:10 ` Borislav Petkov
2013-04-21 18:56 ` Paul E. McKenney
2013-04-21 19:06 ` Borislav Petkov
2013-04-21 20:34 ` Paul E. McKenney
2013-04-21 20:51 ` Borislav Petkov
2013-04-21 21:42 ` Borislav Petkov
2013-04-21 22:00 ` Paul E. McKenney
2013-04-21 22:12 ` Borislav Petkov
2013-04-22 8:01 ` Ingo Molnar
2013-04-22 9:18 ` Borislav Petkov
2013-04-22 13:16 ` Paul E. McKenney
2013-04-21 18:47 ` Paul E. McKenney
2013-04-22 8:32 ` Takashi Iwai
2013-04-22 9:13 ` Borislav Petkov
2013-04-22 9:19 ` Takashi Iwai
2013-04-22 10:06 ` Borislav Petkov
2013-04-22 11:33 ` Takashi Iwai
2013-04-22 13:56 ` Borislav Petkov
2013-04-22 12:56 ` Thomas Gleixner
2013-04-22 14:23 ` Borislav Petkov
2013-04-22 14:44 ` Paul E. McKenney
2013-04-22 21:33 ` Borislav Petkov
2013-04-22 22:07 ` Paul E. McKenney
2013-04-23 14:10 ` Thomas Gleixner
2013-04-23 14:34 ` Borislav Petkov
2013-04-23 15:01 ` Paul E. McKenney [this message]
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