From: Natanael Copa <ncopa@alpinelinux.org>
To: stable@vger.kernel.org
Cc: regressions@lists.linux.dev
Subject: regression in 6.6.70: kexec_core.c:1075:(.text+0x1bffd0): undefined reference to `machine_crash_shutdown'
Date: Fri, 10 Jan 2025 14:40:04 +0100 [thread overview]
Message-ID: <20250110144004.1fca120a@ncopa-desktop> (raw)
Hi!
When updating the Alpine Linux kernel to 6.6.70 I bumped into a new compile error:
LD .tmp_vmlinux.kallsyms1
ld: vmlinux.o: in function `__crash_kexec':
/home/ncopa/aports/main/linux-lts/src/linux-6.6/kernel/kexec_core.c:1075:(.text+0x1bffd0): undefined reference to `machine_crash_shutdown'
ld: vmlinux.o: in function `do_kexec_load':
/home/ncopa/aports/main/linux-lts/src/linux-6.6/kernel/kexec.c:166:(.text+0x1c1b4e): undefined reference to `arch_kexec_protect_crashkres'
ld: /home/ncopa/aports/main/linux-lts/src/linux-6.6/kernel/kexec.c:105:(.text+0x1c1b94): undefined reference to `arch_kexec_unprotect_crashkres'
make[2]: *** [/home/ncopa/aports/main/linux-lts/src/linux-6.6/scripts/Makefile.vmlinux:37: vmlinux] Error 1
make[1]: *** [/home/ncopa/aports/main/linux-lts/src/linux-6.6/Makefile:1164: vmlinux] Error 2
make: ***
[/home/ncopa/aports/main/linux-lts/src/linux-6.6/Makefile:234:
__sub-make] Error 2
$ grep -E '(CRASH_CORE|_KEXEC)' .config
CONFIG_CRASH_CORE=y
CONFIG_KEXEC_CORE=y
CONFIG_KEXEC=y
# CONFIG_KEXEC_FILE is not set
# CONFIG_KEXEC_JUMP is not set
CONFIG_ARCH_SUPPORTS_KEXEC=y
CONFIG_ARCH_SUPPORTS_KEXEC_FILE=y
CONFIG_ARCH_SUPPORTS_KEXEC_PURGATORY=y
CONFIG_ARCH_SUPPORTS_KEXEC_SIG=y
CONFIG_ARCH_SUPPORTS_KEXEC_SIG_FORCE=y
CONFIG_ARCH_SUPPORTS_KEXEC_BZIMAGE_VERIFY_SIG=y
CONFIG_ARCH_SUPPORTS_KEXEC_JUMP=y
Looking at the git history I notice this commit:
> From e5b1574a8ca28c40cf53eda43f6c3b016ed41e27 Mon Sep 17 00:00:00 2001
> From: Baoquan He <bhe@redhat.com>
> Date: Wed, 24 Jan 2024 13:12:46 +0800
> Subject: x86, crash: wrap crash dumping code into crash related ifdefs
>
> [ Upstream commit a4eeb2176d89fdf2785851521577b94b31690a60 ]
>
> Now crash codes under kernel/ folder has been split out from kexec
> code, crash dumping can be separated from kexec reboot in config
> items on x86 with some adjustments.
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-6.6.y&id=e5b1574a8ca28c40cf53eda43f6c3b016ed41e27
So a wild guess is that the commit(s) that splits out crash codes under
kernel/ directory from kexec code also needs to be backported to
linux-6.6.y?
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-6.12.y&id=02aff8480533817a29e820729360866441d7403d
Thanks!
-nc
next reply other threads:[~2025-01-10 13:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-10 13:40 Natanael Copa [this message]
2025-01-10 14:00 ` regression in 6.6.70: kexec_core.c:1075:(.text+0x1bffd0): undefined reference to `machine_crash_shutdown' Greg KH
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