Re: [PATCH 1/2 v6] kdump: add the vmcoreinfo documentation

lijiang
2019-01-15T11:00:25Z

在 2019年01月15日 04:49, Dave Anderson 写道:
>
>
> ----- Original Message -----
>> On Mon, Jan 14, 2019 at 03:26:32PM -0500, Dave Anderson wrote:
>>> No. It needs *both* the vmlinux file and the vmcore file in order to read
>>> kernel
>>> virtual memory, so just having a kernel virtual address is insufficient.
>>>
>>> So it's a chicken-and-egg situation. This particular --osrelease option is used
>>> to determine *what* vmlinux file would be required for an actual crash analysis
>>> session.
>>
>> Ok, that makes sense. I could've used that explanation when reviewing
>> the documentation. Do you mind skimming through this:
>>
>> https://lkml.kernel.org/r/20190111145650.GG4729@zn.tnic
>>
>> in case we've missed explaining relevant usage - like that above - of
>> some of the vmcoreinfo members?
>
> Yeah, I've been watching the thread, and the document looks fine to me.
> It's just that when I saw the discussion of this one being removed that
> I felt the need to respond... ;-)

Thank you for explaining this issue.

Regards,
Lianbo

>
> Dave
>