On 07/20/16 at 08:32am, Thomas Gleixner wrote:
> On Wed, 20 Jul 2016, b...@redhat.com wrote:
> > On 07/20/16 at 03:54am, Wei, Jiangang wrote:
> >
> > > In fact, Eric and Ingo suggested that "it should be fixed in the bootup
> > > path of the dump kernel, not the crash kernel reboot path", which
On 07/20/16 at 08:32am, Thomas Gleixner wrote:
> On Wed, 20 Jul 2016, b...@redhat.com wrote:
> > On 07/20/16 at 03:54am, Wei, Jiangang wrote:
> >
> > > In fact, Eric and Ingo suggested that "it should be fixed in the bootup
> > > path of the dump kernel, not the crash kernel reboot path", which
On Wed, 20 Jul 2016, b...@redhat.com wrote:
> On 07/20/16 at 03:54am, Wei, Jiangang wrote:
>
> > In fact, Eric and Ingo suggested that "it should be fixed in the bootup
> > path of the dump kernel, not the crash kernel reboot path", which is
> > convincing and reasonable.
>
> Well this patch
On Wed, 20 Jul 2016, b...@redhat.com wrote:
> On 07/20/16 at 03:54am, Wei, Jiangang wrote:
>
> > In fact, Eric and Ingo suggested that "it should be fixed in the bootup
> > path of the dump kernel, not the crash kernel reboot path", which is
> > convincing and reasonable.
>
> Well this patch
On 07/20/16 at 03:54am, Wei, Jiangang wrote:
> Hi Baoquan He,
>
> Well, Indeed there‘s a relationship between the dump-capture hangs in
> calibrate_delay_converge() and the interrupt mode.
>
> but there‘s no essential difference between your patches and mine that
> calls disable_IO_APIC() again.
On 07/20/16 at 03:54am, Wei, Jiangang wrote:
> Hi Baoquan He,
>
> Well, Indeed there‘s a relationship between the dump-capture hangs in
> calibrate_delay_converge() and the interrupt mode.
>
> but there‘s no essential difference between your patches and mine that
> calls disable_IO_APIC() again.
Hi Jiangang,
On 07/20/16 at 03:54am, Wei, Jiangang wrote:
> Hi Baoquan He,
>
> Well, Indeed there‘s a relationship between the dump-capture hangs in
> calibrate_delay_converge() and the interrupt mode.
>
> but there‘s no essential difference between your patches and mine that
> calls
Hi Jiangang,
On 07/20/16 at 03:54am, Wei, Jiangang wrote:
> Hi Baoquan He,
>
> Well, Indeed there‘s a relationship between the dump-capture hangs in
> calibrate_delay_converge() and the interrupt mode.
>
> but there‘s no essential difference between your patches and mine that
> calls
Hi Baoquan He,
Well, Indeed there‘s a relationship between the dump-capture hangs in
calibrate_delay_converge() and the interrupt mode.
but there‘s no essential difference between your patches and mine that
calls disable_IO_APIC() again.
Actually, disable_IO_APIC will set APIC to virtual wire
Hi Baoquan He,
Well, Indeed there‘s a relationship between the dump-capture hangs in
calibrate_delay_converge() and the interrupt mode.
but there‘s no essential difference between your patches and mine that
calls disable_IO_APIC() again.
Actually, disable_IO_APIC will set APIC to virtual wire
Wei Jiangang reported kdump kernel always hang when "notsc" is specified
in boot parameter. After debugging I found there's no timer interrupt
in the current kexec/kdump kernel. This is caused by commit 522e66464467
("x86/apic: Disable I/O APIC before shutdown of the local APIC"). Originally
Eric
Wei Jiangang reported kdump kernel always hang when "notsc" is specified
in boot parameter. After debugging I found there's no timer interrupt
in the current kexec/kdump kernel. This is caused by commit 522e66464467
("x86/apic: Disable I/O APIC before shutdown of the local APIC"). Originally
Eric
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