Its good to have the makedumpfile '--mem-usage' support
for arm64 architecture as well, as it allows one to see the page numbers
of current system (1st kernel) in different use.
Using this we can know how many pages are dumpable when different
dump_level is specified.
Normally for x86_64, makedum
>-Original Message-
>From: Tachibana Masaki(橘 正樹)
>Sent: Friday, February 09, 2018 8:05 PM
>To: Zhou Wenjian
>Cc: kexec@lists.infradead.org; Hayashi Masahiko(林 正彦)
>
>Subject: RE: [PATCH] makedumpfile: Fix a bug when multi-threads feature meets
>enospace
>
>Hi Zhou,
>
>Sorry for the late
Hi Zhou-san
I will forward Tachibana's mail.
Thank you
>-Original Message-
>From: Hayashi Masahiko(林 正彦)
>Sent: Friday, February 09, 2018 8:24 PM
>To: Zhou Wenjian
>Cc: kexec@lists.infradead.org
>Subject: FW: [PATCH] makedumpfile: Fix a bug when multi-threads feature meets
>enospace
>
Hi James,
On Wed, Feb 07, 2018 at 06:37:21PM +, James Morse wrote:
> Hi Akashi,
>
> I'm still getting my head round how all this works, so please forgive what may
> be stupid questions!
It is my pleasure.
Hopefully I will be able to address all of your concerns before submitting
a new versio
On Wed, Feb 07, 2018 at 06:37:10PM +, James Morse wrote:
> Hi Akashi,
>
> On 04/12/17 02:57, AKASHI Takahiro wrote:
> > prepare_elf_headers() can also be useful for other architectures,
> > including arm64.
>
> What does arm64 need this for? This is generating ELF headers for something,
> bu
On Wed, Feb 07, 2018 at 06:37:16PM +, James Morse wrote:
> Hi Akashi,
>
> On 04/12/17 02:57, AKASHI Takahiro wrote:
> > This is a basic purgatory, or a kind of glue code between the two kernels,
> > for arm64.
> >
> > Since purgatory is assumed to be relocatable (not executable) object by
> >
Hello,
"echo c > /proc/sysrq-trigger" generates the kernel dump but it
reboots the system.
I'd like to generate kernel dump without system reboot.
I think it is possible to jump to the kdump kernel and generate kernel
dump, and come back to the operating kernel with kexec.
I know I can jump to th
