Package: kexec-tools Version: 2.0.25-3 debian 12 arm kdump-tools service have a error log: "systemctl status kdump-tools: Can't get the symbol of _text to calculate page_offset" when trigger a panic, the kdump makedumpfile failed, and print some error: Starting kdump-tools: running makedumpfile --dump-dmesg /proc/vmcore /var/crash/202410291445/dmesg.202410291445. read_from_vmcore: Can't seek the dump memory(/proc/vmcore). (offset: ffff800181f8b000) Invalid argument readpage_elf: Can't read the dump memory(/proc/vmcore). readmem: type_addr: 1, addr:1c7de8800, size:8 vaddr_to_paddr_arm64: Can't read pgd readmem: Can't convert a virtual address(ffff80000a0abd88) to physical address. readmem: type_addr: 0, addr:ffff80000a0abd88, size:390 check_release: Can't get the address of system_utsname. makedumpfile Failed. kdump-tools: makedumpfile --dump-dmesg failed. dmesg content will be unavailable ... failed! kdump-tools: failed to save dmesg content in /var/crash/202410291445 ... failed! running makedumpfile -F -c -d 31 /proc/vmcore | compress > /var/crash/202410291445/dump-incomplete. read_from_vmcore: Can't seek the dump memory(/proc/vmcore). (offset: ffff800181f8b000) Invalid argument readpage_elf: Can't read the dump memory(/proc/vmcore). readmem: type_addr: 1, addr:1c7de8800, size:8 vaddr_to_paddr_arm64: Can't read pgd readmem: Can't convert a virtual address(ffff80000a0abd88) to physical address. readmem: type_addr: 0, addr:ffff80000a0abd88, size:390 check_release: Can't get the address of system_utsname. makedumpfile Failed. kdump-tools: saved vmcore in /var/crash/202410291445. we found a patch : https://lore.kernel.org/all/caf+s44thutnezr3ny1_feb8b1+rytysadu4hmlethnfxzf_...@mail.gmail.com/T/#m77ab2cac669ea3c3e9a22892d30b37822cbb6345 <https://lore.kernel.org/all/caf+s44thutnezr3ny1_feb8b1+rytysadu4hmlethnfxzf_...@mail.gmail.com/T/#m77ab2cac669ea3c3e9a22892d30b37822cbb6345 > and verify it works. It seems that the function iomem_range_callback calculation kernel code elf_info.kern_paddr_start is incorrect cat /boot/config-6.1.0-17-arm64 |grep CONFIG_KALLSYMS_ALL # CONFIG_KALLSYMS_ALL is not set cat /proc/kallsyms | grep -e ' _text$' -> no output
