Re: [LKP] [x86/hotplug] e1056a25da: WARNING:at_arch/x86/kernel/apic/apic.c:#setup_local_APIC

2019-07-01 Thread Thomas Gleixner
Feng, On Mon, 1 Jul 2019, Feng Tang wrote: > On Mon, Jul 01, 2019 at 09:13:54AM +0200, Thomas Gleixner wrote: > > On Sun, 30 Jun 2019, Thomas Gleixner wrote: > > In case you still have your debug version (that old tree which triggered > > the warn) around, could you please run that again and add

Re: [LKP] [x86/hotplug] e1056a25da: WARNING:at_arch/x86/kernel/apic/apic.c:#setup_local_APIC

2019-07-01 Thread Feng Tang
Hi Thomas, On Mon, Jul 01, 2019 at 09:13:54AM +0200, Thomas Gleixner wrote: > Feng, > > On Sun, 30 Jun 2019, Thomas Gleixner wrote: > > On Sun, 30 Jun 2019, Feng Tang wrote: > > > On Sun, Jun 30, 2019 at 01:35:39PM +0200, Thomas Gleixner wrote: > > > > On Sat, 29 Jun 2019, Thomas Gleixner wrote:

Re: [LKP] [x86/hotplug] e1056a25da: WARNING:at_arch/x86/kernel/apic/apic.c:#setup_local_APIC

2019-07-01 Thread Thomas Gleixner
Feng, On Sun, 30 Jun 2019, Thomas Gleixner wrote: > On Sun, 30 Jun 2019, Feng Tang wrote: > > On Sun, Jun 30, 2019 at 01:35:39PM +0200, Thomas Gleixner wrote: > > > On Sat, 29 Jun 2019, Thomas Gleixner wrote: > > > > On Fri, 28 Jun 2019, Thomas Gleixner wrote: > > > > > On Fri, 28 Jun 2019, Feng

Re: [LKP] [x86/hotplug] e1056a25da: WARNING:at_arch/x86/kernel/apic/apic.c:#setup_local_APIC

2019-06-30 Thread Thomas Gleixner
On Sun, 30 Jun 2019, Feng Tang wrote: > On Sun, Jun 30, 2019 at 01:35:39PM +0200, Thomas Gleixner wrote: > > On Sat, 29 Jun 2019, Thomas Gleixner wrote: > > > On Fri, 28 Jun 2019, Thomas Gleixner wrote: > > > > On Fri, 28 Jun 2019, Feng Tang wrote: > > > > That function just 'works' by chance not

Re: [LKP] [x86/hotplug] e1056a25da: WARNING:at_arch/x86/kernel/apic/apic.c:#setup_local_APIC

2019-06-30 Thread Feng Tang
Hi Thomas, On Sun, Jun 30, 2019 at 01:35:39PM +0200, Thomas Gleixner wrote: > On Sat, 29 Jun 2019, Thomas Gleixner wrote: > > On Fri, 28 Jun 2019, Thomas Gleixner wrote: > > > On Fri, 28 Jun 2019, Feng Tang wrote: > > > That function just 'works' by chance not by design. I'll stare into it and >

Re: [LKP] [x86/hotplug] e1056a25da: WARNING:at_arch/x86/kernel/apic/apic.c:#setup_local_APIC

2019-06-30 Thread Thomas Gleixner
On Sat, 29 Jun 2019, Thomas Gleixner wrote: > On Fri, 28 Jun 2019, Thomas Gleixner wrote: > > On Fri, 28 Jun 2019, Feng Tang wrote: > > That function just 'works' by chance not by design. I'll stare into it and > > fix it up for real. > > > > Thank you very much for that information. Your debug

Re: [LKP] [x86/hotplug] e1056a25da: WARNING:at_arch/x86/kernel/apic/apic.c:#setup_local_APIC

2019-06-29 Thread Thomas Gleixner
Feng, On Fri, 28 Jun 2019, Thomas Gleixner wrote: > On Fri, 28 Jun 2019, Feng Tang wrote: > > On Tue, Jun 25, 2019 at 07:32:03PM +0800, Thomas Gleixner wrote: > > > the head of that branch is: > > > > > > 4f3f6d6a7f8e ("x86/apic/x2apic: Add conditional IPI shorthands > > > support") > > >

Re: [LKP] [x86/hotplug] e1056a25da: WARNING:at_arch/x86/kernel/apic/apic.c:#setup_local_APIC

2019-06-28 Thread Thomas Gleixner
Feng, On Fri, 28 Jun 2019, Feng Tang wrote: > On Tue, Jun 25, 2019 at 07:32:03PM +0800, Thomas Gleixner wrote: > > the head of that branch is: > > > > 4f3f6d6a7f8e ("x86/apic/x2apic: Add conditional IPI shorthands > > support") > > > > This is WIP and force pushed. There are no

Re: [LKP] [x86/hotplug] e1056a25da: WARNING:at_arch/x86/kernel/apic/apic.c:#setup_local_APIC

2019-06-28 Thread Feng Tang
Hi Thomas, On Tue, Jun 25, 2019 at 07:32:03PM +0800, Thomas Gleixner wrote: > Rong, > > On Tue, 25 Jun 2019, Rong Chen wrote: > > On 6/25/19 2:24 PM, Thomas Gleixner wrote: > > > > On 6/22/19 3:08 AM, Thomas Gleixner wrote: > > > > > > on test machine: qemu-system-x86_64 -enable-kvm -cpu

Re: [LKP] [x86/hotplug] e1056a25da: WARNING:at_arch/x86/kernel/apic/apic.c:#setup_local_APIC

2019-06-27 Thread Thomas Gleixner
Rong, Fengguang, On Wed, 26 Jun 2019, Rong Chen wrote: > On 6/25/19 7:32 PM, Thomas Gleixner wrote: > > > I have tested commit e0b179bc1a ("x86/apic/x2apic: Add conditional IPI > > > shorthands support"), the problem is still exist. > > the head of that branch is: > > > >4f3f6d6a7f8e

Re: [LKP] [x86/hotplug] e1056a25da: WARNING:at_arch/x86/kernel/apic/apic.c:#setup_local_APIC

2019-06-25 Thread Rong Chen
On 6/25/19 7:32 PM, Thomas Gleixner wrote: Rong, On Tue, 25 Jun 2019, Rong Chen wrote: On 6/25/19 2:24 PM, Thomas Gleixner wrote: On 6/22/19 3:08 AM, Thomas Gleixner wrote: on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 2G I cannot reproduce that issue. What's

Re: [LKP] [x86/hotplug] e1056a25da: WARNING:at_arch/x86/kernel/apic/apic.c:#setup_local_APIC

2019-06-25 Thread Thomas Gleixner
Rong, On Tue, 25 Jun 2019, Rong Chen wrote: > On 6/25/19 2:24 PM, Thomas Gleixner wrote: > > > On 6/22/19 3:08 AM, Thomas Gleixner wrote: > > > > > on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp > > > > > 2 -m > > > > > 2G > > > > I cannot reproduce that issue. What's the

Re: [LKP] [x86/hotplug] e1056a25da: WARNING:at_arch/x86/kernel/apic/apic.c:#setup_local_APIC

2019-06-25 Thread Rong Chen
On 6/25/19 2:24 PM, Thomas Gleixner wrote: Rong, On Tue, 25 Jun 2019, Rong Chen wrote: On 6/22/19 3:08 AM, Thomas Gleixner wrote: on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 2G I cannot reproduce that issue. What's the underlying hardware machine? brand:

Re: [x86/hotplug] e1056a25da: WARNING:at_arch/x86/kernel/apic/apic.c:#setup_local_APIC

2019-06-25 Thread Thomas Gleixner
Rong, On Tue, 25 Jun 2019, Rong Chen wrote: > On 6/22/19 3:08 AM, Thomas Gleixner wrote: > > > > > > on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m > > > 2G > > I cannot reproduce that issue. What's the underlying hardware machine? > > brand: Genuine Intel(R) CPU 000

Re: [x86/hotplug] e1056a25da: WARNING:at_arch/x86/kernel/apic/apic.c:#setup_local_APIC

2019-06-24 Thread Rong Chen
On 6/22/19 3:08 AM, Thomas Gleixner wrote: On Thu, 20 Jun 2019, kernel test robot wrote: FYI, we noticed the following commit (built with gcc-7): commit: e1056a25daa6460c95e92d7d6853d05ad62458f7 ("x86/hotplug: Silence APIC and NMI when CPU is dead")

Re: [x86/hotplug] e1056a25da: WARNING:at_arch/x86/kernel/apic/apic.c:#setup_local_APIC

2019-06-21 Thread Thomas Gleixner
On Thu, 20 Jun 2019, kernel test robot wrote: > FYI, we noticed the following commit (built with gcc-7): > > commit: e1056a25daa6460c95e92d7d6853d05ad62458f7 ("x86/hotplug: Silence APIC > and NMI when CPU is dead") > https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git WIP.x86/ipi > > in