On 09/22/16 at 05:07pm, Baoquan He wrote:
> On 09/22/16 at 05:03pm, Dave Young wrote:
> > Hi,
> >
> > > Did you apply below kexec patch either?
> > >
> > > kexec/arch/i386: Add support for KASLR memory randomization
> > >
> > > Please search it in kexec mailing list, Thomas posted it.
> >
> >
On 09/07/2016 06:29 AM, AKASHI Takahiro wrote:
On crash dump kernel, all the information about primary kernel's system
memory (core image) is available in elf core header.
The primary kernel will set aside this header with reserve_elfcorehdr()
at boot time and inform crash dump kernel of its
Hello,
I am investigating an issue with makedumpfile and kernel 4.8 where makedumpfile
(1.6.0) exits on error with the following message :
get_mem_map: Can't distinguish the memory type.
I found commit 2c21d4656e8d3c2af2b1e14809d076941ae69e96 in the upstream
development branch that is
On 09/07/2016 06:29 AM, AKASHI Takahiro wrote:
On the startup of primary kernel, the memory region used by crash dump
kernel must be specified by "crashkernel=" kernel parameter.
reserve_crashkernel() will allocate and reserve the region for later use.
User space tools, like kexec-tools, will
On 09/22/16 at 05:03pm, Dave Young wrote:
> Hi,
>
> > Did you apply below kexec patch either?
> >
> > kexec/arch/i386: Add support for KASLR memory randomization
> >
> > Please search it in kexec mailing list, Thomas posted it.
>
> Yes, applied.
message-level 31 could help to find out what's
Hi,
> Did you apply below kexec patch either?
>
> kexec/arch/i386: Add support for KASLR memory randomization
>
> Please search it in kexec mailing list, Thomas posted it.
Yes, applied.
Thanks
Dave
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On 09/22/16 at 04:48pm, Dave Young wrote:
> Fix email address of Atsushi Kumagai..
>
> On 09/22/16 at 04:45pm, Dave Young wrote:
> > Hi, Baoquan
> >
> > On 08/29/16 at 04:54pm, Baoquan He wrote:
> > > Hi Atsushi and Thomas,
Did you apply below kexec patch either?
kexec/arch/i386: Add support
Fix email address of Atsushi Kumagai..
On 09/22/16 at 04:45pm, Dave Young wrote:
> Hi, Baoquan
>
> On 08/29/16 at 04:54pm, Baoquan He wrote:
> > Hi Atsushi and Thomas,
> >
> > This is a draft patchset. I just checked x86_64 implementation according to
> > Thomas's mm randomization related
Hi, Baoquan
On 08/29/16 at 04:54pm, Baoquan He wrote:
> Hi Atsushi and Thomas,
>
> This is a draft patchset. I just checked x86_64 implementation according to
> Thomas's mm randomization related patches. Not sure if this will affect
> other ARCH or XEN. Especially for patch 1/3 and patch 2/3,
Hi, Thomas
On 08/17/16 at 09:47am, Thomas Garnier wrote:
> Multiple changes were made on KASLR (right now in linux-next). One of
> them is randomizing the virtual address of the physical mapping, vmalloc
> and vmemmap memory sections. It breaks kdump ability to read physical
> memory.
What is
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