linux-kernel - Re: Linux 4.9.6 ( Restore IO-APIC irq_chip retrigger callback , breaks my box )

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Date:   Mon, 6 Feb 2017 18:30:15 +0100
From:   Gabriel C <nix.or.die@...il.com>
To:     Greg KH <gregkh@...uxfoundation.org>, linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc:     lwn@....net, Jiri Slaby <jslaby@...e.cz>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ruslan Ruslichenko <rruslich@...co.com>
Subject: Re: Linux 4.9.6 ( Restore IO-APIC irq_chip retrigger callback ,
 breaks my box )


On 26.01.2017 08:48, Greg KH wrote:

Hi Greg,

> I'm announcing the release of the 4.9.6 kernel.


Somewhat late , however I didn't tested 4.9.6 but jumped from 4.9.5 to 4.9.7
and found out by box won't boot anymore.

It hangs early and freeze with a lot RCU warnings.
Since I cannot setup a netconsole right now I cannot post the errors , really sorry.

( but I could make a picture if needed )


I bisected it down to :

 > Ruslan Ruslichenko (1):
 >       x86/ioapic: Restore IO-APIC irq_chip retrigger callback

Reverting this one fixes the problem for me..

Also this problem exists in Linus tree , I tested on:
4.10.0-rc6-00167-ga0a28644c1cf

The box is a PRIMERGY TX200 S5 , 2 socket , 2 x E5520 CPU(s) installed.

Config:
https://raw.githubusercontent.com/frugalware/frugalware-current/master/source/base/kernel/config.x86_64

Regards,

Gabriel C.