kexec failure with Xen 4.19-rc4 and 4.20-dev on linux host

[Baoquan He]

On 07/31/24 at 06:34pm, A Kundu wrote:
> I am experiencing issues using kexec to load Xen 4.17(debian's apt version),
> Xen 4.19-rc4 (compiled from source) and 4.20-dev (compiled from source) on a
> debian host.

You should CC this to XEN dev list so that XEN dev knows this and may
provide help. Not everyone is interested in and knows XEN.

> 
> System information:
> $ uname -a
> Linux host 6.9.10-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.9.10-1 (2024-07-19)
> x86_64 GNU/Linux
> 
> $ kexec --version # compiled from source tarball with ./configure --with-xen
> kexec-tools 2.0.29
> 
> Steps to reproduce:
> 
> 1. Set variables:
> 
> XEN_HYPERVISOR="/boot/xen.gz"
> XEN_CMD="dom0_mem=6G dom0_max_vcpus=6 dom0_vcpus_pin cpufreq=xen"
> 
> 2. Attempt to load Xen 4.19-rc4:
> 
> # kexec -l "$XEN_HYPERVISOR" --command-line="$XEN_CMD"
> Could not find a free area of memory of 0x3b6001 bytes...
> elf_exec_build_load_relocatable: ELF exec load failed
> 
> 3. Attempt to load Xen 4.20-dev:
> 
> # kexec -l "$XEN_HYPERVISOR" --command-line="$XEN_CMD"
> Could not find a free area of memory of 0x3f8001 bytes...
> elf_exec_build_load_relocatable: ELF exec load failed
> 
> 4. Attempt to load Xen 4.17 (from debian rrepositories):
> # kexec -l /boot/xen-4.17-amd64.gz --command-line="$XEN_CMD"
> Could not find a free area of memory of 0x3b4001 bytes...
> elf_exec_build_load_relocatable: ELF exec load failed
> 
> If you need any further information to investigate this problem,
> please let me know.
> 
> PS: If I used apt's pacakged version (which might be compiled
> --without-xen),
> it shows,
> 
> # kexec -l "$XEN_HYPERVISOR" --command-line="$XEN_CMD"
> Cannot determine the file type of /boot/xen-4.17-amd64.gz
> 
> # kexec -l "$XEN_HYPERVISOR" --command-line="$XEN_CMD" --type=bzImage
> Cannot determine the file type of /boot/xen-4.17-amd64.gz
> 
> 
> Thank you for your attention to this matter.
> 
> A Kundu
> 
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