linux-kernel - Re: Kernel panic - not syncing: IO-APIC + timer doesn't work!

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Message-ID: <CAHp75Ve1VUWsw8GdSmEbGs6v=B2=VGgcieS-voA+AqvypTpbdw@mail.gmail.com>
Date:   Mon, 27 Jul 2020 22:46:56 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Scott Branden <scott.branden@...adcom.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Borislav Petkov <bp@...en8.de>,
        "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
        Ingo Molnar <mingo@...hat.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Kernel panic - not syncing: IO-APIC + timer doesn't work!

On Mon, Jul 27, 2020 at 10:20 PM Scott Branden
<scott.branden@...adcom.com> wrote:
>
> Occasionally I get the following Kernel panic on boot.  This is running on the latest kernel but have seen it previously as well.
> "Kernel panic - not syncing: IO-APIC + timer doesn't work!  Boot with apic=debug and send a report."
>
> I don't know who I am support to send a report to.  But here is the log with apic=debug

Just a wild guess, do you have x2APIC in your system enabled and driver for it?

-- 
With Best Regards,
Andy Shevchenko