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Date:   Sun, 12 Feb 2017 22:12:28 +0100
From:   Borislav Petkov <>
To:     Gabriel C <>
Cc:     Thomas Gleixner <>,
        Linus Torvalds <>,
        Greg KH <>,
        Linux Kernel Mailing List <>,
        Andrew Morton <>,
        stable <>,,
        Jiri Slaby <>,
        Ruslan Ruslichenko <>
Subject: Re: Linux 4.9.6 ( Restore IO-APIC irq_chip retrigger callback ,
 breaks my box )

On Sun, Feb 12, 2017 at 09:21:53PM +0100, Gabriel C wrote:
> There is what I get :

Ok, I'm watching it frame-by-frame. I can see the microcode getting
updated to revision 0x19 as in your working dmesg.

The machine hangs here at the

clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x20ac7f6ecc6, max_idle_ns: 440795315461 ns

line too. The exact same numbers even as in the previous run! Strange.

> With dis_ucode_ldr there is some more output , with it will stay like this , nothing more.

Ok, can you do redo the first video but with "initcall_debug" on the
kernel command line?

And then do video of another run with "initcall_debug dis_ucode_ldr" on
the kernel command line?

I'd like to see which of the initcalls doesn't return.



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