RE: kexec reports "Cannot get kernel _text symbol address" on arm64 platform

[Pandey, Radhey Shyam]

> -----Original Message-----
> From: Alexander Kamensky <alexander.kamensky42@xxxxxxxxx>
> Sent: Tuesday, August 22, 2023 9:24 AM
> To: Pandey, Radhey Shyam <radhey.shyam.pandey@xxxxxxx>
> Cc: bhe@xxxxxxxxxx; piliu@xxxxxxxxxx; kexec@xxxxxxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; Sarangi, Anirudha <anirudha.sarangi@xxxxxxx>
> Subject: Re: kexec reports "Cannot get kernel _text symbol address" on
> arm64 platform
> 
> Hi All,
> 
> Sorry for the top post, but I believe that I might have posted a fix for this
> issue a couple days ago.
> 
> Please check and see if it helps
> https://lore.kernel.org/kexec/20230819191119.975299-1-
> alexander.kamensky42@xxxxxxxxx/T/#u
> 
> Explanation for the issue I observed with a similar secondary kernel
> traceback on arm64 is in the commit message.

I fetched latest kexec sources (777ca453ca69e46f7376b07ba6727bd261ec97ef)
and applied above patch, a bit improved but still vmcore size is huge.

/ # ls -lrth /proc/vmcore 
-r--------    1 root     root       15.5G Aug 23 18:55 /proc/vmcore

Thanks,
Radhey