On Wed, Dec 20, 2017 at 10:08:21PM +0800, Zhang Rui wrote:
> > Does this help?
> >
> No.
Bah!, does this at least get you a IRQ0 line in /proc/interrupts?
> > diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c
> > index 749d189f8cd4..45675072771c 100644
> > ---
On Wed, Dec 20, 2017 at 10:08:21PM +0800, Zhang Rui wrote:
> > Does this help?
> >
> No.
Bah!, does this at least get you a IRQ0 line in /proc/interrupts?
> > diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c
> > index 749d189f8cd4..45675072771c 100644
> > ---
On Tue, 2017-12-19 at 18:23 +0100, Peter Zijlstra wrote:
> On Tue, Dec 19, 2017 at 05:01:55PM +0100, Peter Zijlstra wrote:
> >
> > On Tue, Dec 19, 2017 at 11:42:41PM +0800, Zhang Rui wrote:
> > >
> > > On Tue, 2017-12-19 at 16:23 +0100, Peter Zijlstra wrote:
> > >
> > > >
> > > > [
On Tue, 2017-12-19 at 18:23 +0100, Peter Zijlstra wrote:
> On Tue, Dec 19, 2017 at 05:01:55PM +0100, Peter Zijlstra wrote:
> >
> > On Tue, Dec 19, 2017 at 11:42:41PM +0800, Zhang Rui wrote:
> > >
> > > On Tue, 2017-12-19 at 16:23 +0100, Peter Zijlstra wrote:
> > >
> > > >
> > > > [
On Tue, Dec 19, 2017 at 05:01:55PM +0100, Peter Zijlstra wrote:
> On Tue, Dec 19, 2017 at 11:42:41PM +0800, Zhang Rui wrote:
> > On Tue, 2017-12-19 at 16:23 +0100, Peter Zijlstra wrote:
>
> > > [0.00] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
> > > [0.00] ACPI: IRQ0
On Tue, Dec 19, 2017 at 05:01:55PM +0100, Peter Zijlstra wrote:
> On Tue, Dec 19, 2017 at 11:42:41PM +0800, Zhang Rui wrote:
> > On Tue, 2017-12-19 at 16:23 +0100, Peter Zijlstra wrote:
>
> > > [0.00] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
> > > [0.00] ACPI: IRQ0
On Tue, Dec 19, 2017 at 11:42:41PM +0800, Zhang Rui wrote:
> On Tue, 2017-12-19 at 16:23 +0100, Peter Zijlstra wrote:
> > [0.00] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
> > [0.00] ACPI: IRQ0 used by override.
> >
> > So your ACPI table has an override for IRQ2
On Tue, Dec 19, 2017 at 11:42:41PM +0800, Zhang Rui wrote:
> On Tue, 2017-12-19 at 16:23 +0100, Peter Zijlstra wrote:
> > [0.00] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
> > [0.00] ACPI: IRQ0 used by override.
> >
> > So your ACPI table has an override for IRQ2
On Tue, 2017-12-19 at 16:31 +0100, Peter Zijlstra wrote:
> On Tue, Dec 19, 2017 at 04:23:07PM +0100, Peter Zijlstra wrote:
> >
> > On Tue, Dec 19, 2017 at 06:48:24PM +0800, Zhang Rui wrote:
> > >
> > > On Mon, 2017-12-18 at 21:28 +0100, Peter Zijlstra wrote:
> > > >
> > > > Hi, can you see if
On Tue, 2017-12-19 at 16:31 +0100, Peter Zijlstra wrote:
> On Tue, Dec 19, 2017 at 04:23:07PM +0100, Peter Zijlstra wrote:
> >
> > On Tue, Dec 19, 2017 at 06:48:24PM +0800, Zhang Rui wrote:
> > >
> > > On Mon, 2017-12-18 at 21:28 +0100, Peter Zijlstra wrote:
> > > >
> > > > Hi, can you see if
On Tue, 2017-12-19 at 16:23 +0100, Peter Zijlstra wrote:
> On Tue, Dec 19, 2017 at 06:48:24PM +0800, Zhang Rui wrote:
> >
> > On Mon, 2017-12-18 at 21:28 +0100, Peter Zijlstra wrote:
> > >
> > > Hi, can you see if this makes you Surface boot?
> > >
> > No, it does not boot.
> So I'm confused on
On Tue, 2017-12-19 at 16:23 +0100, Peter Zijlstra wrote:
> On Tue, Dec 19, 2017 at 06:48:24PM +0800, Zhang Rui wrote:
> >
> > On Mon, 2017-12-18 at 21:28 +0100, Peter Zijlstra wrote:
> > >
> > > Hi, can you see if this makes you Surface boot?
> > >
> > No, it does not boot.
> So I'm confused on
On Tue, Dec 19, 2017 at 04:23:07PM +0100, Peter Zijlstra wrote:
> On Tue, Dec 19, 2017 at 06:48:24PM +0800, Zhang Rui wrote:
> > On Mon, 2017-12-18 at 21:28 +0100, Peter Zijlstra wrote:
> > > Hi, can you see if this makes you Surface boot?
> > >
> > No, it does not boot.
>
> So I'm confused on
On Tue, Dec 19, 2017 at 04:23:07PM +0100, Peter Zijlstra wrote:
> On Tue, Dec 19, 2017 at 06:48:24PM +0800, Zhang Rui wrote:
> > On Mon, 2017-12-18 at 21:28 +0100, Peter Zijlstra wrote:
> > > Hi, can you see if this makes you Surface boot?
> > >
> > No, it does not boot.
>
> So I'm confused on
On Tue, Dec 19, 2017 at 06:48:24PM +0800, Zhang Rui wrote:
> On Mon, 2017-12-18 at 21:28 +0100, Peter Zijlstra wrote:
> > Hi, can you see if this makes you Surface boot?
> >
> No, it does not boot.
So I'm confused on the lapic calibration.
That stuff uses global_clock_event, which is initially
On Tue, Dec 19, 2017 at 06:48:24PM +0800, Zhang Rui wrote:
> On Mon, 2017-12-18 at 21:28 +0100, Peter Zijlstra wrote:
> > Hi, can you see if this makes you Surface boot?
> >
> No, it does not boot.
So I'm confused on the lapic calibration.
That stuff uses global_clock_event, which is initially
On Tue, 2017-12-19 at 14:15 +0100, Peter Zijlstra wrote:
> On Tue, Dec 19, 2017 at 06:48:24PM +0800, Zhang Rui wrote:
> >
> > On Mon, 2017-12-18 at 21:28 +0100, Peter Zijlstra wrote:
> > >
> > > Hi, can you see if this makes you Surface boot?
> > >
> > No, it does not boot.
> Bah, staring at
On Tue, 2017-12-19 at 14:15 +0100, Peter Zijlstra wrote:
> On Tue, Dec 19, 2017 at 06:48:24PM +0800, Zhang Rui wrote:
> >
> > On Mon, 2017-12-18 at 21:28 +0100, Peter Zijlstra wrote:
> > >
> > > Hi, can you see if this makes you Surface boot?
> > >
> > No, it does not boot.
> Bah, staring at
On Tue, Dec 19, 2017 at 06:48:24PM +0800, Zhang Rui wrote:
> On Mon, 2017-12-18 at 21:28 +0100, Peter Zijlstra wrote:
> > Hi, can you see if this makes you Surface boot?
> >
> No, it does not boot.
Bah, staring at the lapic calibrate now, that is a bit of a mess..
> > I tested it on my IVB by
On Tue, Dec 19, 2017 at 06:48:24PM +0800, Zhang Rui wrote:
> On Mon, 2017-12-18 at 21:28 +0100, Peter Zijlstra wrote:
> > Hi, can you see if this makes you Surface boot?
> >
> No, it does not boot.
Bah, staring at the lapic calibrate now, that is a bit of a mess..
> > I tested it on my IVB by
On Mon, 2017-12-18 at 21:28 +0100, Peter Zijlstra wrote:
> Hi, can you see if this makes you Surface boot?
>
No, it does not boot.
> I tested it on my IVB by making has_legacy_pic() return unconditional
> true.
>
> [0.024000] tsc: Unable to calibrate against PIT
> [0.025000] tsc: using
On Mon, 2017-12-18 at 21:28 +0100, Peter Zijlstra wrote:
> Hi, can you see if this makes you Surface boot?
>
No, it does not boot.
> I tested it on my IVB by making has_legacy_pic() return unconditional
> true.
>
> [0.024000] tsc: Unable to calibrate against PIT
> [0.025000] tsc: using
Hi, can you see if this makes you Surface boot?
I tested it on my IVB by making has_legacy_pic() return unconditional
true.
[0.024000] tsc: Unable to calibrate against PIT
[0.025000] tsc: using HPET reference calibration
[0.026000] tsc: Detected 2792.451 MHz processor
---
diff
Hi, can you see if this makes you Surface boot?
I tested it on my IVB by making has_legacy_pic() return unconditional
true.
[0.024000] tsc: Unable to calibrate against PIT
[0.025000] tsc: using HPET reference calibration
[0.026000] tsc: Detected 2792.451 MHz processor
---
diff
On Tue, 2017-11-28 at 13:36 +0100, Peter Zijlstra wrote:
> On Tue, Nov 28, 2017 at 06:59:01PM +0800, Zhang Rui wrote:
> >
> > >
> > > >
> > > > >
> > > > > >
> > > > > > My Surface Pro 4 is unable to boot after 4.12. The symptom
> > > > > > is
> >
> > yes. Tried 4.4 distro and 4.12 vanilla
On Tue, 2017-11-28 at 13:36 +0100, Peter Zijlstra wrote:
> On Tue, Nov 28, 2017 at 06:59:01PM +0800, Zhang Rui wrote:
> >
> > >
> > > >
> > > > >
> > > > > >
> > > > > > My Surface Pro 4 is unable to boot after 4.12. The symptom
> > > > > > is
> >
> > yes. Tried 4.4 distro and 4.12 vanilla
On Tue, Nov 28, 2017 at 06:59:01PM +0800, Zhang Rui wrote:
> > > > > My Surface Pro 4 is unable to boot after 4.12. The symptom is
> yes. Tried 4.4 distro and 4.12 vanilla kernel, kernel always freezes
> with boot option "notscdeadline"/"lapic=notscdeadline".
Then for some mysterious reason,
On Tue, Nov 28, 2017 at 06:59:01PM +0800, Zhang Rui wrote:
> > > > > My Surface Pro 4 is unable to boot after 4.12. The symptom is
> yes. Tried 4.4 distro and 4.12 vanilla kernel, kernel always freezes
> with boot option "notscdeadline"/"lapic=notscdeadline".
Then for some mysterious reason,
On Tue, 2017-11-28 at 10:34 +0100, Thomas Gleixner wrote:
> On Tue, 28 Nov 2017, Zhang Rui wrote:
>
> >
> > On Tue, 2017-11-28 at 09:14 +0100, Peter Zijlstra wrote:
> > >
> > > On Tue, Nov 28, 2017 at 10:08:53AM +0800, Zhang Rui wrote:
> > > >
> > > >
> > > > Hi, All,
> > > >
> > > > My
On Tue, 2017-11-28 at 10:34 +0100, Thomas Gleixner wrote:
> On Tue, 28 Nov 2017, Zhang Rui wrote:
>
> >
> > On Tue, 2017-11-28 at 09:14 +0100, Peter Zijlstra wrote:
> > >
> > > On Tue, Nov 28, 2017 at 10:08:53AM +0800, Zhang Rui wrote:
> > > >
> > > >
> > > > Hi, All,
> > > >
> > > > My
On Tue, Nov 28, 2017 at 04:22:15PM +0800, Zhang Rui wrote:
> On Tue, 2017-11-28 at 09:14 +0100, Peter Zijlstra wrote:
> > On Tue, Nov 28, 2017 at 10:08:53AM +0800, Zhang Rui wrote:
> > >
> > > Hi, All,
> > >
> > > My Surface Pro 4 is unable to boot after 4.12. The symptom is that
> > > kernel
On Tue, Nov 28, 2017 at 04:22:15PM +0800, Zhang Rui wrote:
> On Tue, 2017-11-28 at 09:14 +0100, Peter Zijlstra wrote:
> > On Tue, Nov 28, 2017 at 10:08:53AM +0800, Zhang Rui wrote:
> > >
> > > Hi, All,
> > >
> > > My Surface Pro 4 is unable to boot after 4.12. The symptom is that
> > > kernel
On Tue, 28 Nov 2017, Zhang Rui wrote:
> On Tue, 2017-11-28 at 09:14 +0100, Peter Zijlstra wrote:
> > On Tue, Nov 28, 2017 at 10:08:53AM +0800, Zhang Rui wrote:
> > >
> > > Hi, All,
> > >
> > > My Surface Pro 4 is unable to boot after 4.12. The symptom is that
> > > kernel freezes during boot,
On Tue, 28 Nov 2017, Zhang Rui wrote:
> On Tue, 2017-11-28 at 09:14 +0100, Peter Zijlstra wrote:
> > On Tue, Nov 28, 2017 at 10:08:53AM +0800, Zhang Rui wrote:
> > >
> > > Hi, All,
> > >
> > > My Surface Pro 4 is unable to boot after 4.12. The symptom is that
> > > kernel freezes during boot,
On Tue, 2017-11-28 at 09:14 +0100, Peter Zijlstra wrote:
> On Tue, Nov 28, 2017 at 10:08:53AM +0800, Zhang Rui wrote:
> >
> > Hi, All,
> >
> > My Surface Pro 4 is unable to boot after 4.12. The symptom is that
> > kernel freezes during boot, and the last message in the screen is
> > loading the
On Tue, 2017-11-28 at 09:14 +0100, Peter Zijlstra wrote:
> On Tue, Nov 28, 2017 at 10:08:53AM +0800, Zhang Rui wrote:
> >
> > Hi, All,
> >
> > My Surface Pro 4 is unable to boot after 4.12. The symptom is that
> > kernel freezes during boot, and the last message in the screen is
> > loading the
On Tue, Nov 28, 2017 at 10:08:53AM +0800, Zhang Rui wrote:
> Hi, All,
>
> My Surface Pro 4 is unable to boot after 4.12. The symptom is that
> kernel freezes during boot, and the last message in the screen is
> loading the initrd image. And I have bisected it to this commit
> +//
On Tue, Nov 28, 2017 at 10:08:53AM +0800, Zhang Rui wrote:
> Hi, All,
>
> My Surface Pro 4 is unable to boot after 4.12. The symptom is that
> kernel freezes during boot, and the last message in the screen is
> loading the initrd image. And I have bisected it to this commit
> +//
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