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Re: kern/55731 - (custom) kernel build failure with ``no options PTRACE''



The following reply was made to PR kern/55731; it has been noted by GNATS.

From: Paul Goyette <paul%whooppee.com@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/55731 - (custom) kernel build failure with ``no options
 PTRACE''
Date: Tue, 20 Oct 2020 13:30:53 -0700 (PDT)

 ---------- Forwarded message ----------
 Date: Tue, 20 Oct 2020 10:40:59 -0700 (PDT)
 From: Paul Goyette <paul%whooppee.com@localhost>
 To: gnats%netbsd.org@localhost
 Subject: Re: kern/55731 - (custom) kernel build failure with ``no options
      PTRACE''
 
 (Log new failure info to PR audit trail)
 
 
 This still isn't quite correct.
 
 For i386, a custom kernel build fails.  Here's the diff between GENERIC
 and the custom config (this mirrors the config I used on amd64 to file
 the original PR kern/55731):
 
 --- GENERIC	2020-09-27 22:28:13.468056102 -0700
 +++ TEST	2020-10-20 07:41:41.302325022 -0700
 @@ -22,6 +22,17 @@
 
   options 	INCLUDE_CONFIG_FILE	# embed config file in kernel binary
 
 +# Remove standard options, as they are provided by modules
 +
 +no options 	EXEC_SCRIPT
 +no options 	EXEC_ELF32
 +no options 	COREDUMP
 +no options 	AIO
 +no options 	MQUEUE
 +no options 	SEMAPHORE
 +no options 	PTRACE
 +
 +
   #ident		"GENERIC-$Revision: 1.1233 $"
 
   maxusers	64		# estimated number of users
 @@ -120,7 +131,7 @@
   # Diagnostic/debugging support options
   options 	DIAGNOSTIC	# inexpensive kernel consistency checks
   				# XXX to be commented out on release branch
 -#options 	DEBUG		# expensive debugging checks/support
 +options 	DEBUG		# expensive debugging checks/support
   #options 	LOCKDEBUG	# expensive locking checks/support
   options 	DDB		# in-kernel debugger
   #options 	DDB_ONPANIC=1	# see also sysctl(7): `ddb.onpanic'
 
 
 Here's the build failure (with sources updated Tue Oct 20 14:02:24 UTC)
 
 ...
 #      link  TEST/netbsd
 /build/netbsd-compat/tools/x86_64/i386/bin/i486--netbsdelf-ld -Map netbsd.map 
 --cref -T netbsd.ldscript -Ttext c0100000 -e start -X -o netbsd 
 ${SYSTEM_OBJ:[@]:Nswapnetbsd.o} ${EXTRA_OBJ} vers.o swapnetbsd.o
 /build/netbsd-compat/tools/x86_64/i386/bin/i486--netbsdelf-ld: 
 process_machdep.o: in function `ptrace_machdep_dorequest':
 /build/netbsd-compat/src/sys/arch/i386/i386/process_machdep.c:298: undefined 
 reference to `ptrace_update_lwp'
 /build/netbsd-compat/tools/x86_64/i386/bin/i486--netbsdelf-ld: 
 /build/netbsd-compat/src/sys/arch/i386/i386/process_machdep.c:324: undefined 
 reference to `ptrace_update_lwp'
 /build/netbsd-compat/tools/x86_64/i386/bin/i486--netbsdelf-ld: procfs_fpregs.o: 
 in function `procfs_dofpregs':
 /build/netbsd-compat/src/sys/miscfs/procfs/procfs_fpregs.c:96: undefined 
 reference to `process_dofpregs'
 /build/netbsd-compat/tools/x86_64/i386/bin/i486--netbsdelf-ld: procfs_fpregs.o: 
 in function `procfs_validfpregs':
 /build/netbsd-compat/src/sys/miscfs/procfs/procfs_fpregs.c:103: undefined 
 reference to `process_validfpregs'
 /build/netbsd-compat/tools/x86_64/i386/bin/i486--netbsdelf-ld: procfs_regs.o: 
 in function `procfs_doregs':
 /build/netbsd-compat/src/sys/miscfs/procfs/procfs_regs.c:93: undefined 
 reference to `process_doregs'
 /build/netbsd-compat/tools/x86_64/i386/bin/i486--netbsdelf-ld: procfs_regs.o: 
 in function `procfs_validregs':
 /build/netbsd-compat/src/sys/miscfs/procfs/procfs_regs.c:100: undefined 
 reference to `process_validregs'
 *** [netbsd] Error code 1
 
 nbmake: stopped in /build/netbsd-compat/obj/i386/sys/arch/i386/compile/TEST
 1 error
 
 
 
 On Mon, 19 Oct 2020, Christos Zoulas wrote:
 
 > Module Name:	src
 > Committed By:	christos
 > Date:		Mon Oct 19 19:33:02 UTC 2020
 > 
 > Modified Files:
 > 	src/sys/arch/amd64/conf: MODULAR files.amd64
 > 	src/sys/kern: compat_stub.c core_elf32.c files.kern kern_core.c
 > 	    kern_sig.c
 > 	src/sys/modules/coredump: Makefile
 > 	src/sys/modules/exec_elf32: Makefile
 > 	src/sys/modules/exec_elf64: Makefile
 > 	src/sys/modules/ptrace_common: Makefile
 > 	src/sys/sys: compat_stub.h exec_elf.h
 > Added Files:
 > 	src/sys/modules/ptrace_common: machdep.mk
 > 
 > Log Message:
 > Arrange so that no options COREDUMP and no options PTRACE work together.
 > Thanks to Paul Goyette for testing.
 > 
 > 
 > To generate a diff of this commit:
 > cvs rdiff -u -r1.17 -r1.18 src/sys/arch/amd64/conf/MODULAR
 > cvs rdiff -u -r1.117 -r1.118 src/sys/arch/amd64/conf/files.amd64
 > cvs rdiff -u -r1.19 -r1.20 src/sys/kern/compat_stub.c
 > cvs rdiff -u -r1.65 -r1.66 src/sys/kern/core_elf32.c
 > cvs rdiff -u -r1.52 -r1.53 src/sys/kern/files.kern
 > cvs rdiff -u -r1.30 -r1.31 src/sys/kern/kern_core.c
 > cvs rdiff -u -r1.390 -r1.391 src/sys/kern/kern_sig.c
 > cvs rdiff -u -r1.6 -r1.7 src/sys/modules/coredump/Makefile
 > cvs rdiff -u -r1.5 -r1.6 src/sys/modules/exec_elf32/Makefile
 > cvs rdiff -u -r1.4 -r1.5 src/sys/modules/exec_elf64/Makefile
 > cvs rdiff -u -r1.3 -r1.4 src/sys/modules/ptrace_common/Makefile
 > cvs rdiff -u -r0 -r1.1 src/sys/modules/ptrace_common/machdep.mk
 > cvs rdiff -u -r1.23 -r1.24 src/sys/sys/compat_stub.h
 > cvs rdiff -u -r1.167 -r1.168 src/sys/sys/exec_elf.h
 > 
 > Please note that diffs are not public domain; they are subject to the
 > copyright notices on the relevant files.
 > 
 > 
 > 
 > 
 >
 
 +--------------------+--------------------------+-----------------------+
 | Paul Goyette       | PGP Key fingerprint:     | E-mail addresses:     |
 | (Retired)          | FA29 0E3B 35AF E8AE 6651 | paul%whooppee.com@localhost     |
 | Software Developer | 0786 F758 55DE 53BA 7731 | pgoyette%netbsd.org@localhost   |
 +--------------------+--------------------------+-----------------------+
 
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