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Date:   Sun, 12 Feb 2017 23:21:13 +0100
From:   Gabriel C <>
To:     Borislav Petkov <>
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 12.02.2017 22:12, Borislav Petkov wrote:
> 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.

There are both videos .. however the output seems kind same this time..

I try to find out more tomorrow but right now I don't even have a clue
where to add some printk's to get some more output :(

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