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Message-ID: <alpine.DEB.2.20.1801291732092.1849@nanos>
Date:   Mon, 29 Jan 2018 17:35:41 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Meelis Roos <mroos@...ux.ee>
cc:     Linux Kernel list <linux-kernel@...r.kernel.org>, x86@...nel.org
Subject: Re: 4.15: WARNING: CPU: 3 PID: 258 at kernel/irq/chip.c:244
 __irq_startup+0x80/0x100

On Mon, 29 Jan 2018, Meelis Roos wrote:

> Upgraded some of my older machines to v4.15 today. On a quad P3 HP 
> NetServer,

Your supply of vintage hardware is amazing.

> I get a bootup warning at kernel/irq/chip.c:244 
> __irq_startup+0x80/0x100 (full dmesg below). It seems it was there 
> before but I did not notice it.

> [   11.180167] WARNING: CPU: 3 PID: 258 at kernel/irq/chip.c:244 __irq_startup+0x80/0x100
> [   11.180508] EIP: __irq_startup+0x80/0x100
> [   11.180912]  irq_startup+0x7e/0x170
> [   11.180977]  probe_irq_on+0x128/0x2b0
> [   11.181054]  parport_irq_probe.constprop.18+0x8d/0x1af [parport_pc]
> [   11.181127]  parport_pc_probe_port+0xf11/0x1260 [parport_pc]
> [   11.181202]  parport_pc_init+0x78a/0xf10 [parport_pc]
> [   11.181273]  ? parport_parse_param.constprop.16+0xf0/0xf0 [parport_pc]
> [   11.181338]  do_one_initcall+0x45/0x1e0

Bah, that's the irq probing code, which I obviously missed... I'll have a look.

Thanks,

	tglx

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