On Sat, May 11, 2019 at 03:40:49PM -0400, Arvind Sankar wrote: > On Sat, May 11, 2019 at 03:16:59PM -0400, Arvind Sankar wrote: > > I'm running v5.1.0 trying to kexec into v5.1.1. I get an error when > > trying to load the kernel image, I enabled some debugging of > > arch/x86/kernel/machine_kexec_64.c and got the following log: > > [90028.591812] kexec: Applying relocate section .rela.text to 1 > > [90028.592438] kexec: Symbol: sha256_update info: 12 shndx: 01 value=159 > > size: 1bc4 > > [90028.593077] kexec: Symbol: purgatory_sha_regions info: 11 shndx: 08 > > value=0 size: 100 > > [90028.593744] kexec: Symbol: sha256_init info: 12 shndx: 01 value=117 > > size: 42 > > [90028.594406] kexec: Symbol: purgatory_sha_regions info: 11 shndx: 08 > > value=0 size: 100 > > [90028.595086] kexec: Symbol: sha256_final info: 12 shndx: 01 value=1d1d > > size: b5 > > [90028.595775] kexec: Symbol: purgatory_sha256_digest info: 11 shndx: 08 > > value=100 size: 20 > > [90028.596486] kexec: Symbol: memcmp info: 12 shndx: 01 value=1e9b size: c > > [90028.597203] kexec: Symbol: purgatory_backup_dest info: 11 shndx: 08 > > value=130 size: 8 > > [90028.597947] kexec: Symbol: purgatory_backup_src info: 11 shndx: 08 > > value=128 size: 8 > > [90028.598701] kexec: Symbol: purgatory_backup_sz info: 11 shndx: 08 > > value=120 size: 8 > > [90028.599449] kexec: Symbol: __stack_chk_fail info: 10 shndx: 00 value=0 > > size: 0 > > [90028.600199] kexec: Undefined symbol: __stack_chk_fail > > [90028.600955] kexec-bzImage64: Loading purgatory failed > > > > I have attached the config.gz from the running 5.1.0 kernel and the > > built 5.1.1 kernel. The config was working ok with the 5.0 series. > > > > Thanks > > > I get the same error message when trying to load even the currently > running kernel.
Hm this has mysteriously disappeared after cold-booting into 5.1.1.