Hello Baoquan,
On 01/08/24 13:13, Baoquan He wrote:
On 07/31/24 at 08:57pm, Sourabh Jain wrote:
The following errors are observed when kexec is done with SMT=off on
powerpc.
[ 358.458385] Removing IBM Power 842 compression device
[ 374.795734] kexec_core: Starting new kernel
[ 374.795748] kexec: Waking offline cpu 1.
[ 374.875695] crash hp: kexec_trylock() failed, elfcorehdr may be inaccurate
[ 374.935833] kexec: Waking offline cpu 2.
[ 375.015664] crash hp: kexec_trylock() failed, elfcorehdr may be inaccurate
snip..
[ 375.515823] kexec: Waking offline cpu 6.
[ 375.635667] crash hp: kexec_trylock() failed, elfcorehdr may be inaccurate
[ 375.695836] kexec: Waking offline cpu 7.
During kexec, the offline CPUs are brought online, which triggers the
Is this a generic action or specific on ppc about the offline CPUs being
brought line during kexec?
I think it is powerpc specific.
Patch that introduced this on powerpc: e8e5c2155b003 ("powerpc/kexec:
Fix orphaned offline CPUs across kexec")
- Sourabh Jain
