Re: 5.9-rc4: modpost undefined symbols + relocation in read-only section `.head.text'
Replying to myself: This is 5.9-rc4 git on a specific amd64 machine with Debian unstable and custom kernel config. 5.8 compiled and worked fine, I have seen something like this with different 5.9-git commits. I made sure my binutils and gcc-10 are up to date in Debian unstable and retried with 5.9-rc4. Still I see the same during build (have not tried booting it more than once after a failed boot). This only happens on this specific computer and is reproducible after make clean, other tested machines with Debian unstable toolchain are fine. Kernel config is below. I found another Debian amd64 machine that exhibits the "relocation in read-only section `.head.text'" warning but no symbol errors from MODPOST. The kernel fails to boot, grub selects next kernel automatically so image format is probably bad. LDS arch/x86/boot/compressed/vmlinux.lds AS arch/x86/boot/compressed/head_64.o VOFFSET arch/x86/boot/compressed/../voffset.h CC arch/x86/boot/compressed/string.o CC arch/x86/boot/compressed/cmdline.o CC arch/x86/boot/compressed/error.o OBJCOPY arch/x86/boot/compressed/vmlinux.bin RELOCS arch/x86/boot/compressed/vmlinux.relocs CC arch/x86/boot/compressed/cpuflags.o CC arch/x86/boot/compressed/early_serial_console.o CC arch/x86/boot/compressed/kaslr.o CC arch/x86/boot/compressed/kaslr_64.o AS arch/x86/boot/compressed/mem_encrypt.o CC arch/x86/boot/compressed/pgtable_64.o CC arch/x86/boot/compressed/acpi.o AS arch/x86/boot/compressed/efi_thunk_64.o CC arch/x86/boot/compressed/misc.o LZMAarch/x86/boot/compressed/vmlinux.bin.lzma MKPIGGY arch/x86/boot/compressed/piggy.S AS arch/x86/boot/compressed/piggy.o LD arch/x86/boot/compressed/vmlinux ld: arch/x86/boot/compressed/head_64.o: warning: relocation in read-only section `.head.text' ld: warning: creating DT_TEXTREL in a PIE ZOFFSET arch/x86/boot/zoffset.h OBJCOPY arch/x86/boot/vmlinux.bin AS arch/x86/boot/header.o LD arch/x86/boot/setup.elf OBJCOPY arch/x86/boot/setup.bin BUILD arch/x86/boot/bzImage Setup is 14460 bytes (padded to 14848 bytes). System is 4785 kB CRC f036c6cb Kernel: arch/x86/boot/bzImage is ready (#322) ^Cmake[1]: *** [scripts/Makefile.modpost:117: __modpost] Interrupt make: *** [Makefile:1392: modules] Interrupt Config: # # Automatically generated file; DO NOT EDIT. # Linux/x86 5.9.0-rc4 Kernel Configuration # CONFIG_CC_VERSION_TEXT="gcc (Debian 10.2.0-6) 10.2.0" CONFIG_CC_IS_GCC=y CONFIG_GCC_VERSION=100200 CONFIG_LD_VERSION=23500 CONFIG_CLANG_VERSION=0 CONFIG_CC_CAN_LINK=y CONFIG_CC_CAN_LINK_STATIC=y CONFIG_CC_HAS_ASM_GOTO=y CONFIG_CC_HAS_ASM_INLINE=y CONFIG_IRQ_WORK=y CONFIG_BUILDTIME_TABLE_SORT=y CONFIG_THREAD_INFO_IN_TASK=y # # General setup # CONFIG_INIT_ENV_ARG_LIMIT=32 # CONFIG_COMPILE_TEST is not set CONFIG_LOCALVERSION="" CONFIG_LOCALVERSION_AUTO=y CONFIG_BUILD_SALT="" CONFIG_HAVE_KERNEL_GZIP=y CONFIG_HAVE_KERNEL_BZIP2=y CONFIG_HAVE_KERNEL_LZMA=y CONFIG_HAVE_KERNEL_XZ=y CONFIG_HAVE_KERNEL_LZO=y CONFIG_HAVE_KERNEL_LZ4=y CONFIG_HAVE_KERNEL_ZSTD=y # CONFIG_KERNEL_GZIP is not set # CONFIG_KERNEL_BZIP2 is not set CONFIG_KERNEL_LZMA=y # CONFIG_KERNEL_XZ is not set # CONFIG_KERNEL_LZO is not set # CONFIG_KERNEL_LZ4 is not set # CONFIG_KERNEL_ZSTD is not set CONFIG_DEFAULT_INIT="" CONFIG_DEFAULT_HOSTNAME="prometheus" CONFIG_SWAP=y CONFIG_SYSVIPC=y CONFIG_SYSVIPC_SYSCTL=y CONFIG_POSIX_MQUEUE=y CONFIG_POSIX_MQUEUE_SYSCTL=y CONFIG_WATCH_QUEUE=y CONFIG_CROSS_MEMORY_ATTACH=y # CONFIG_USELIB is not set CONFIG_AUDIT=y CONFIG_HAVE_ARCH_AUDITSYSCALL=y CONFIG_AUDITSYSCALL=y # # IRQ subsystem # CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_IRQ_SHOW=y CONFIG_GENERIC_IRQ_EFFECTIVE_AFF_MASK=y CONFIG_GENERIC_PENDING_IRQ=y CONFIG_GENERIC_IRQ_MIGRATION=y CONFIG_GENERIC_IRQ_INJECTION=y CONFIG_HARDIRQS_SW_RESEND=y CONFIG_IRQ_DOMAIN=y CONFIG_IRQ_DOMAIN_HIERARCHY=y CONFIG_GENERIC_MSI_IRQ=y CONFIG_GENERIC_MSI_IRQ_DOMAIN=y CONFIG_GENERIC_IRQ_MATRIX_ALLOCATOR=y CONFIG_GENERIC_IRQ_RESERVATION_MODE=y CONFIG_IRQ_FORCED_THREADING=y CONFIG_SPARSE_IRQ=y # CONFIG_GENERIC_IRQ_DEBUGFS is not set # end of IRQ subsystem CONFIG_CLOCKSOURCE_WATCHDOG=y CONFIG_ARCH_CLOCKSOURCE_INIT=y CONFIG_CLOCKSOURCE_VALIDATE_LAST_CYCLE=y CONFIG_GENERIC_TIME_VSYSCALL=y CONFIG_GENERIC_CLOCKEVENTS=y CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y CONFIG_GENERIC_CLOCKEVENTS_MIN_ADJUST=y CONFIG_GENERIC_CMOS_UPDATE=y CONFIG_HAVE_POSIX_CPU_TIMERS_TASK_WORK=y CONFIG_POSIX_CPU_TIMERS_TASK_WORK=y # # Timers subsystem # CONFIG_TICK_ONESHOT=y CONFIG_NO_HZ_COMMON=y # CONFIG_HZ_PERIODIC is not set # CONFIG_NO_HZ_IDLE is not set CONFIG_NO_HZ_FULL=y CONFIG_CONTEXT_TRACKING=y # CONFIG_CONTEXT_TRACKING_FORCE is not set # CONFIG_NO_HZ is not set CONFIG_HIGH_RES_TIMERS=y # end of Timers subsystem # CONFIG_PREEMPT_NONE is not set CONFIG_PREEMPT_VOLUNTARY=y # CONFIG_PREEMPT is not set # # CPU/Task time and stats accounting # CONFIG_VIRT_CPU_ACCOUNTING=y CON
5.9-rc4: modpost undefined symbols + relocation in read-only section `.head.text'
This is 5.9-rc4 git on a specific amd64 machine with Debian unstable and custom kernel config. 5.8 compiled and worked fine, I hav seen something like this with different 5.9-git commits. I made sure my binutils and gcc-10 are up to date in Debian unstable and retried with 5.9-rc4. Still I see the same during build (have not tried booting it more than once after a failed boot). This only happens on this specific computer and is reproducible after make clean, other tested machines with Debian unstable toolchain are fine. Kernel config is below. ... CC arch/x86/boot/cpu.o LDS arch/x86/boot/compressed/vmlinux.lds AS arch/x86/boot/compressed/kernel_info.o AS arch/x86/boot/compressed/head_64.o VOFFSET arch/x86/boot/compressed/../voffset.h CC arch/x86/boot/compressed/string.o CC arch/x86/boot/compressed/cmdline.o CC arch/x86/boot/compressed/error.o OBJCOPY arch/x86/boot/compressed/vmlinux.bin RELOCS arch/x86/boot/compressed/vmlinux.relocs HOSTCC arch/x86/boot/compressed/mkpiggy CC arch/x86/boot/compressed/cpuflags.o CC arch/x86/boot/compressed/early_serial_console.o CC arch/x86/boot/compressed/kaslr.o CC arch/x86/boot/compressed/kaslr_64.o AS arch/x86/boot/compressed/mem_encrypt.o CC arch/x86/boot/compressed/pgtable_64.o CC arch/x86/boot/compressed/acpi.o XZKERN arch/x86/boot/compressed/vmlinux.bin.xz ERROR: modpost: "irq_poll_init" [drivers/scsi/lpfc/lpfc.ko] undefined! ERROR: modpost: "irq_poll_sched" [drivers/scsi/lpfc/lpfc.ko] undefined! ERROR: modpost: "irq_poll_complete" [drivers/scsi/lpfc/lpfc.ko] undefined! CC arch/x86/boot/compressed/misc.o make[1]: *** [scripts/Makefile.modpost:111: Module.symvers] Error 1 make[1]: *** Deleting file 'Module.symvers' make: *** [Makefile:1392: modules] Error 2 make: *** Waiting for unfinished jobs MKPIGGY arch/x86/boot/compressed/piggy.S AS arch/x86/boot/compressed/piggy.o LD arch/x86/boot/compressed/vmlinux ld: arch/x86/boot/compressed/head_64.o: warning: relocation in read-only section `.head.text' ld: warning: creating DT_TEXTREL in a PIE ZOFFSET arch/x86/boot/zoffset.h OBJCOPY arch/x86/boot/vmlinux.bin AS arch/x86/boot/header.o LD arch/x86/boot/setup.elf OBJCOPY arch/x86/boot/setup.bin BUILD arch/x86/boot/bzImage Setup is 14396 bytes (padded to 14848 bytes). System is 4649 kB CRC 3b22552a Kernel: arch/x86/boot/bzImage is ready (#38) # # Automatically generated file; DO NOT EDIT. # Linux/x86 5.9.0-rc4 Kernel Configuration # CONFIG_CC_VERSION_TEXT="gcc (Debian 10.2.0-6) 10.2.0" CONFIG_CC_IS_GCC=y CONFIG_GCC_VERSION=100200 CONFIG_LD_VERSION=23500 CONFIG_CLANG_VERSION=0 CONFIG_CC_CAN_LINK=y CONFIG_CC_CAN_LINK_STATIC=y CONFIG_CC_HAS_ASM_GOTO=y CONFIG_CC_HAS_ASM_INLINE=y CONFIG_IRQ_WORK=y CONFIG_BUILDTIME_TABLE_SORT=y CONFIG_THREAD_INFO_IN_TASK=y # # General setup # CONFIG_INIT_ENV_ARG_LIMIT=32 # CONFIG_COMPILE_TEST is not set CONFIG_LOCALVERSION="" CONFIG_LOCALVERSION_AUTO=y CONFIG_BUILD_SALT="" CONFIG_HAVE_KERNEL_GZIP=y CONFIG_HAVE_KERNEL_BZIP2=y CONFIG_HAVE_KERNEL_LZMA=y CONFIG_HAVE_KERNEL_XZ=y CONFIG_HAVE_KERNEL_LZO=y CONFIG_HAVE_KERNEL_LZ4=y CONFIG_HAVE_KERNEL_ZSTD=y # CONFIG_KERNEL_GZIP is not set # CONFIG_KERNEL_BZIP2 is not set # CONFIG_KERNEL_LZMA is not set CONFIG_KERNEL_XZ=y # CONFIG_KERNEL_LZO is not set # CONFIG_KERNEL_LZ4 is not set # CONFIG_KERNEL_ZSTD is not set CONFIG_DEFAULT_INIT="" CONFIG_DEFAULT_HOSTNAME="(none)" CONFIG_SWAP=y CONFIG_SYSVIPC=y CONFIG_SYSVIPC_SYSCTL=y CONFIG_POSIX_MQUEUE=y CONFIG_POSIX_MQUEUE_SYSCTL=y # CONFIG_WATCH_QUEUE is not set CONFIG_CROSS_MEMORY_ATTACH=y # CONFIG_USELIB is not set CONFIG_AUDIT=y CONFIG_HAVE_ARCH_AUDITSYSCALL=y CONFIG_AUDITSYSCALL=y # # IRQ subsystem # CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_IRQ_SHOW=y CONFIG_GENERIC_IRQ_EFFECTIVE_AFF_MASK=y CONFIG_GENERIC_PENDING_IRQ=y CONFIG_GENERIC_IRQ_MIGRATION=y CONFIG_GENERIC_IRQ_INJECTION=y CONFIG_HARDIRQS_SW_RESEND=y CONFIG_IRQ_DOMAIN=y CONFIG_IRQ_DOMAIN_HIERARCHY=y CONFIG_GENERIC_MSI_IRQ=y CONFIG_GENERIC_MSI_IRQ_DOMAIN=y CONFIG_IRQ_MSI_IOMMU=y CONFIG_GENERIC_IRQ_MATRIX_ALLOCATOR=y CONFIG_GENERIC_IRQ_RESERVATION_MODE=y CONFIG_IRQ_FORCED_THREADING=y CONFIG_SPARSE_IRQ=y # CONFIG_GENERIC_IRQ_DEBUGFS is not set # end of IRQ subsystem CONFIG_CLOCKSOURCE_WATCHDOG=y CONFIG_ARCH_CLOCKSOURCE_INIT=y CONFIG_CLOCKSOURCE_VALIDATE_LAST_CYCLE=y CONFIG_GENERIC_TIME_VSYSCALL=y CONFIG_GENERIC_CLOCKEVENTS=y CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y CONFIG_GENERIC_CLOCKEVENTS_MIN_ADJUST=y CONFIG_GENERIC_CMOS_UPDATE=y CONFIG_HAVE_POSIX_CPU_TIMERS_TASK_WORK=y CONFIG_POSIX_CPU_TIMERS_TASK_WORK=y # # Timers subsystem # CONFIG_TICK_ONESHOT=y CONFIG_NO_HZ_COMMON=y # CONFIG_HZ_PERIODIC is not set CONFIG_NO_HZ_IDLE=y # CONFIG_NO_HZ_FULL is not set # CONFIG_NO_HZ is not set CONFIG_HIGH_RES_TIMERS=y # end of Timers subsystem CONFIG_PREEMPT_NONE=y # CONFIG_PREEMPT_VOLUNTARY is not set # CONFIG_PREEMPT is not set # # CPU/Tas
