Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels on boot cpu | KernelTrap

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels on boot cpu

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From: Yinghai Lu <yhlu.kernel@...>

To: Eric W. Biederman <ebiederm@...>

Cc: Ben Woodard <woodard@...>, Vivek Goyal <vgoyal@...>, Neil Horman <nhorman@...>, <kexec@...>, <linux-kernel@...>, Andi Kleen <ak@...>, <hbabu@...>, Andi Kleen <andi@...>

Subject: Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels on boot cpu

Date: Friday, November 30, 2007 - 4:59 am

On Nov 29, 2007 6:54 PM, Eric W. Biederman <ebiederm@xmission.com> wrote:
quoted text> Ben Woodard <woodard@redhat.com> writes:
>
>
> > Eric W. Biederman wrote:
> >> Vivek Goyal <vgoyal@redhat.com> writes:
> >>
> >>> Ok. Got it. So in this case we route the interrupts directly through LAPIC
> >>> and put LVT0 in ExtInt mode and IOAPIC is bypassed.
> >>>
> >>> I am looking at Intel Multiprocessor specification v1.4 and as per figure
> >>> 3-3 on page 3-9, 8259 is connected to LINTIN0 line, which in turn is
> >>> connected to LINTIN0 pin on all processors. If that is the case, even in
> >>> this mode, all the CPU should see the timer interrupts (which is coming
> >>> from 8259)?
> >>

there is two mode for mcp55. bios should have one option about virtul
wired to LVT0 of BSP or IOAPIC pin 0.
or the option like hpet route to ioapic pin 2.

for kdump fix, could enable LVT0 of CPU for kdump and disable that for BSP?

ben,
can you send out
lspci -vvxxx -s 00:1.0

YH
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Messages in current thread:

[PATCH] kexec: force x86_64 arches to boot kdump kernels on ..., Neil Horman, (Mon Nov 26, 9:47 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Tue Nov 27, 12:12 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Nov 27, 9:13 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Tue Nov 27, 9:28 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Andi Kleen, (Tue Nov 27, 9:45 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Tue Nov 27, 10:56 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Ben Woodard, (Tue Nov 27, 2:41 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Nov 27, 3:42 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Vivek Goyal, (Tue Nov 27, 4:00 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Andi Kleen, (Tue Nov 27, 6:24 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Ben Woodard, (Tue Nov 27, 7:24 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Vivek Goyal, (Wed Nov 28, 11:36 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Wed Nov 28, 12:02 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Wed Nov 28, 1:36 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Wed Nov 28, 2:16 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Vivek Goyal, (Wed Nov 28, 3:05 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Wed Nov 28, 3:42 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Ben Woodard, (Thu Nov 29, 10:16 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Thu Nov 29, 10:54 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Yinghai Lu, (Fri Nov 30, 4:59 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Vivek Goyal, (Fri Nov 30, 10:35 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Fri Nov 30, 10:32 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Wed Nov 28, 5:09 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Wed Nov 28, 7:27 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Ben Woodard, (Thu Nov 29, 10:12 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Vivek Goyal, (Fri Nov 30, 10:42 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Fri Nov 30, 10:51 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Thu Dec 6, 5:39 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Vivek Goyal, (Thu Dec 6, 6:11 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Thu Dec 6, 8:33 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Yinghai Lu, (Fri Dec 7, 4:50 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Yinghai Lu, (Fri Dec 7, 5:22 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Fri Dec 7, 10:21 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Fri Dec 7, 2:36 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Fri Dec 7, 2:48 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Fri Dec 7, 1:58 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Mon Dec 10, 9:08 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Mon Dec 10, 11:43 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Tue Dec 11, 12:48 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Dec 11, 10:39 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Tue Dec 11, 11:29 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Dec 11, 2:22 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Tue Dec 11, 2:46 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Dec 11, 3:24 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Yinghai Lu, (Tue Dec 11, 3:51 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Dec 11, 4:59 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Andi Kleen, (Wed Dec 12, 10:21 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Wed Dec 12, 11:55 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Andi Kleen, (Wed Dec 12, 12:07 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Wed Dec 12, 3:43 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Wed Dec 12, 4:22 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Wed Dec 12, 5:32 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Thu Dec 13, 10:39 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Andi Kleen, (Thu Dec 13, 11:16 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Thu Dec 13, 11:32 am)

Re: [PATCH] k8: Enable legacy irqs with extended cpu ids, Eric W. Biederman, (Wed Dec 12, 4:43 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Ben Woodard, (Tue Dec 11, 8:16 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Dec 11, 8:52 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Yinghai Lu, (Tue Dec 11, 9:07 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Yinghai Lu, (Tue Dec 11, 2:00 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Dec 11, 2:29 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Yinghai Lu, (Tue Dec 11, 2:45 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Yinghai Lu, (Tue Dec 11, 2:31 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Mon Dec 10, 11:39 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Mon Dec 10, 9:17 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Vivek Goyal, (Mon Dec 10, 12:20 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., yhlu, (Fri Dec 7, 3:19 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Fri Dec 7, 4:13 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Thu Dec 6, 10:04 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Thu Dec 6, 8:10 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Vivek Goyal, (Fri Dec 7, 10:39 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Fri Dec 7, 10:53 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Vivek Goyal, (Fri Dec 7, 11:16 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Fri Dec 7, 11:53 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Fri Dec 7, 2:46 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Andi Kleen, (Tue Nov 27, 7:56 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Nov 27, 4:52 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Nov 27, 11:34 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Nov 27, 10:28 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Andi Kleen, (Tue Nov 27, 10:43 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Nov 27, 10:48 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Tue Nov 27, 11:30 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Ben Woodard, (Tue Nov 27, 4:50 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Nov 27, 5:05 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Tue Nov 27, 6:38 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Ben Woodard, (Tue Nov 27, 7:15 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Tue Nov 27, 8:15 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Nov 27, 7:40 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Tue Nov 27, 8:43 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Wed Nov 28, 11:54 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Nov 27, 12:45 pm)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Andi Kleen, (Tue Nov 27, 11:24 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Nov 27, 9:53 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Andi Kleen, (Tue Nov 27, 6:55 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Eric W. Biederman, (Tue Nov 27, 7:19 am)

Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels..., Neil Horman, (Tue Nov 27, 9:28 am)

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