[PATCH v12 08/16] arm64/kexec: Add core kexec support

Azriel Samson asamson at codeaurora.org
Thu Dec 3 16:39:12 PST 2015


On 12/3/2015 12:56 PM, Geoff Levand wrote:
> Hi,
> On Wed, 2015-12-02 at 21:37 -0700, Azriel Samson wrote:
>> For kdump, I also require a version of the patch "arm64/kexec: Add support
>> for kexec-lite". Without this, the dump capture kernel cannot find the
>> device tree even on v11 that I tested.

This was a setup issue on my side. kdump with your v11 patches worked 
fine without the above patch when I used your version of kexec-tools.

In kexec-tools, I had to skip check_cpu_nodes() since we are using ACPI 
and the device tree does not contain cpu_info.

> Without that patch, does the 2nd stage kernel get the correct
> dtb address in register x0?
> Is the problem that the dtb data is corrupt when in the 2nd
> stage kernel?
> Is the dtb data OK when in the 1st stage kernel?
> -Geoff

Azriel Samson
Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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