linux-kernel - Re: [linux-next-20250212] syscall kexec_file

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Message-ID: <bdc8c274-960e-4f66-9790-736e9bd0eb76@linux.ibm.com>
Date: Fri, 14 Feb 2025 09:14:19 +0530
From: Sourabh Jain <sourabhjain@...ux.ibm.com>
To: Venkat Rao Bagalkote <venkat88@...ux.vnet.ibm.com>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [linux-next-20250212] syscall kexec_file_load not available

Hello Venkat,


On 13/02/25 20:34, Venkat Rao Bagalkote wrote:
> Greetings!!!
>
> From kernel next-20250210, I am observing syscall kexec_file_load not 
> available, there by kdump service is failing to start.
>

powerpc do have support for kexec_file_load system. Seems like there is 
an issue.

Thanks for reporting the issue.

I will debug and find what went wrong with next-20250210 or the kexec 
you used to load the kdump kernel.

Thanks,
Sourabh Jain

>
> Logs:
>
> [root@...-zzci-1 ~]# kexec -p 
> --initrd=/boot/initramfs-6.14.0-rc2-next-20250212kdump.img 
> /boot/vmlinuz-6.14.0-rc2-next-20250212 -c
> Warning: append= option is not passed. Using the first kernel root 
> partition
> Modified cmdline: elfcorehdr=311424K 
> root=UUID=b5b1f89c-d479-48b3-90e2-744a2fd05667
> [root@...-zzci-1 ~]# kexec -p 
> --initrd=/boot/initramfs-6.14.0-rc2-next-20250212kdump.img 
> /boot/vmlinuz-6.14.0-rc2-next-20250212 -s
> syscall kexec_file_load not available.
> [root@...-zzci-1 ~]# kexec -v
> kexec-tools 2.0.27
> [root@...-zzci-1 ~]# uname -r
> 6.14.0-rc2-next-20250212
>
>
> Regards,
>
> Venkat.
>