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

[A Kundu]

Done.


On 8/2/24 09:06, Baoquan He wrote:
> 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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>>