On Tue, Sep 06, 2016 at 05:08:28PM +0300, Konstantin Belousov wrote:

> On Tue, Sep 06, 2016 at 04:13:05PM +0300, Slawa Olhovchenkov wrote:
> > On Sun, Sep 04, 2016 at 11:19:16AM +0300, Andriy Gapon wrote:
> > 
> > > On 01/09/2016 15:13, Slawa Olhovchenkov wrote:
> > > > DMAR: Found table at 0x79b32798
> > > > x2APIC available but disabled by DMAR table
> > > 
> > > > Event timer "LAPIC" quality 600
> > > > LAPIC: ipi_wait() us multiplier 1 (r 116268019 tsc 2200043851)
> > > > ACPI APIC Table: <ALASKA A M I >
> > 
> > Is this significant? On carsh case present 'x2APIC available but
> > disabled by DMAR table' and 'LAPIC: ipi_wait() us multiplier 1 (r
> > 116268019 tsc 2200043851)'
> Significant for what ?  First message mostly repeat the setting in the

For cause of crash.
May be not all of code correct understund this combinations of setting?

> BIOS which you frobbed.  The second message indicates that xAPIC
> timings for ICR reads were calibrated, i.e. x2APIC mode was indeed
> disabled.

OK

> > 
> > On successful boot both messages absent:
> > 
> > Table 'DMAR' at 0x79b32798
> > DMAR: Found table at 0x79b32798
> > Event timer "LAPIC" quality 600
> > ACPI APIC Table: <ALASKA A M I >
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