NetBSD Problem Report #53915

From o.vd.linden@quicknet.nl  Sun Jan 27 21:02:13 2019
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Message-Id: <20190127194620.GA5148@sheep>
Date: Sun, 27 Jan 2019 20:46:20 +0100
From: Onno van der Linden <o.vd.linden@quicknet.nl>
To: gnats-bugs@netbsd.org
Subject: compat merge causing kernel link failure

>Number:         53915
>Category:       kern
>Synopsis:       compat merge cause kernel link failure
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    pgoyette
>State:          closed
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Jan 27 21:05:00 +0000 2019
>Closed-Date:    Mon Jan 28 21:39:26 +0000 2019
>Last-Modified:  Mon Jan 28 21:39:26 +0000 2019
>Originator:     Onno van der Linden
>Release:        NetBSD 8.99.24
>Organization:
	<organization of PR author (multiple lines)>
>Environment:
System: NetBSD sheep 8.99.24 NetBSD 8.99.24 (SHEEPKMS) #4: Sat Aug 11 11:29:18 CEST 2018 onno@sheep:/usr/src/sys/arch/i386/compile/SHEEPKMS i386
Architecture: i386
Machine: i386
>Description:
Trying to build a 8.99.32 kernel from sources after the compat merge
causes a failure at the link stage with a config file that has some
COMPAT_ options commented out:
$ egrep '^#options' /sys/arch/i386/conf/SHEEPKMS|grep COMPAT
#options                COMPAT_NOMID    # compatibility with 386BSD, BSDI, NetBSD 0.8,
#options                COMPAT_09       # NetBSD 0.9,
#options                COMPAT_10       # NetBSD 1.0,
#options                COMPAT_43       # and 4.3BSD
#options        COMPAT_AOUT     # binary compatibility with AOUT
#options        COMPAT_SVR4     # binary compatibility with SVR4
#options        COMPAT_IBCS2    # binary compatibility with SCO and ISC
And has
$ egrep -e COMPAT_LINUX -e COMPAT_FREEBSD /sys/arch/i386/conf/SHEEPKMS
options         COMPAT_FREEBSD  # FreeBSD
options         COMPAT_LINUX    # Linux

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
linux_sysent.o:(.data+0x184): undefined reference to `compat_43_sys_lseek'
linux_sysent.o:(.data+0x5d0): undefined reference to `compat_43_sys_sethostname'
linux_sysent.o:(.data+0x698): undefined reference to `compat_43_sys_lstat'
linux_sysent.o:(.data+0x738): undefined reference to `compat_43_sys_truncate'
linux_sysent.o:(.data+0x74c): undefined reference to `compat_43_sys_ftruncate'
freebsd_sysent.o:(.data+0xa8): undefined reference to `compat_43_sys_creat'
freebsd_sysent.o:(.data+0x184): undefined reference to `compat_43_sys_lseek'
freebsd_sysent.o:(.data+0x300): undefined reference to `compat_43_sys_stat'
freebsd_sysent.o:(.data+0x328): undefined reference to `compat_43_sys_lstat'
freebsd_sysent.o:(.data+0x4e0): undefined reference to `compat_43_sys_fstat'
freebsd_sysent.o:(.data+0x4f4): undefined reference to `compat_43_sys_getkerninfo'
freebsd_sysent.o:(.data+0x508): undefined reference to `compat_43_sys_getpagesize'
freebsd_sysent.o:(.data+0x594): undefined reference to `compat_43_sys_mmap'
freebsd_sysent.o:(.data+0x698): undefined reference to `compat_43_sys_wait'
freebsd_sysent.o:(.data+0x6d4): undefined reference to `compat_43_sys_gethostname'
freebsd_sysent.o:(.data+0x6e8): undefined reference to `compat_43_sys_sethostname'
freebsd_sysent.o:(.data+0x6fc): undefined reference to `compat_43_sys_getdtablesize'
freebsd_sysent.o:(.data+0x7c4): undefined reference to `compat_43_sys_accept'
freebsd_sysent.o:(.data+0x7ec): undefined reference to `compat_43_sys_send'
freebsd_sysent.o:(.data+0x800): undefined reference to `compat_43_sys_recv'
freebsd_sysent.o:(.data+0x878): undefined reference to `compat_43_sys_sigvec'
freebsd_sysent.o:(.data+0x88c): undefined reference to `compat_43_sys_sigblock'
freebsd_sysent.o:(.data+0x8a0): undefined reference to `compat_43_sys_sigsetmask'
freebsd_sysent.o:(.data+0x8c8): undefined reference to `compat_43_sys_sigstack'
freebsd_sysent.o:(.data+0x8dc): undefined reference to `compat_43_sys_recvmsg'
freebsd_sysent.o:(.data+0x8f0): undefined reference to `compat_43_sys_sendmsg'
freebsd_sysent.o:(.data+0x9cc): undefined reference to `compat_43_sys_recvfrom'
freebsd_sysent.o:(.data+0xa1c): undefined reference to `compat_43_sys_truncate'
freebsd_sysent.o:(.data+0xa30): undefined reference to `compat_43_sys_ftruncate'
freebsd_sysent.o:(.data+0xb0c): undefined reference to `compat_43_sys_getpeername'
freebsd_sysent.o:(.data+0xb20): undefined reference to `compat_43_sys_gethostid'
freebsd_sysent.o:(.data+0xb34): undefined reference to `compat_43_sys_sethostid'
freebsd_sysent.o:(.data+0xb48): undefined reference to `compat_43_sys_getrlimit'
freebsd_sysent.o:(.data+0xb5c): undefined reference to `compat_43_sys_setrlimit'
freebsd_sysent.o:(.data+0xb70): undefined reference to `compat_43_sys_killpg'
freebsd_sysent.o:(.data+0xbac): undefined reference to `compat_43_sys_quota'
freebsd_sysent.o:(.data+0xbc0): undefined reference to `compat_43_sys_getsockname'
freebsd_sysent.o:(.data+0xc38): undefined reference to `compat_43_sys_getdirentries'
freebsd_sysent.o:(.data+0xcb0): undefined reference to `compat_09_sys_getdomainname'
freebsd_sysent.o:(.data+0xcc4): undefined reference to `compat_09_sys_setdomainname'
freebsd_sysent.o:(.data+0xcd8): undefined reference to `compat_09_sys_uname'
How-To-Repeat:
Build a kernel in which a couple of COMPAT_ lines in the config
are commented out and which also have COMPAT_LINUX and/or COMPAT_FREEBSD
>How-To-Repeat:

>Fix:
No problem building a 8.99.31 kernel right before the compat
merge with the same config file (although that kernel crashes
in the atapi attach code due to referencering a null pointer)

>Release-Note:

>Audit-Trail:
From: Paul Goyette <paul@whooppee.com>
To: gnats-bugs@NetBSD.org
Cc: kern-bug-people@netbsd.org, gnats-admin@netbsd.org, netbsd-bugs@netbsd.org
Subject: Re: kern/53915: compat merge causing kernel link failure
Date: Mon, 28 Jan 2019 05:13:56 +0800 (PST)

   This message is in MIME format.  The first part should be readable text,
   while the remaining parts are likely unreadable without MIME-aware tools.

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 The compat_linux code requires compat_43.

 And the compat_freebsd code requires compat_09.

 Please try the following (and attached) patch:

 Index: src/sys/conf/files
 ===================================================================
 RCS file: /cvsroot/src/sys/conf/files,v
 retrieving revision 1.1222
 diff -u -p -r1.1222 files
 --- src/sys/conf/files	27 Jan 2019 02:08:41 -0000	1.1222
 +++ src/sys/conf/files	27 Jan 2019 21:12:50 -0000
 @@ -151,8 +151,8 @@ defflag	opt_compat_netbsd.h	COMPAT_11: C
   defflag	opt_compat_netbsd.h	COMPAT_10: COMPAT_11, COMPAT_NETBSD
   defflag	opt_compat_netbsd.h	COMPAT_09: COMPAT_10, COMPAT_NETBSD
   defflag				COMPAT_OSSAUDIO
 -defflag				COMPAT_FREEBSD: COMPAT_30
 -defflag				COMPAT_LINUX: COMPAT_NETBSD
 +defflag				COMPAT_FREEBSD: COMPAT_09
 +defflag				COMPAT_LINUX: COMPAT_NETBSD COMPAT_NETBSD43
   defflag				COMPAT_OSF1
   defflag				COMPAT_SUNOS: COMPAT_30
   defflag				COMPAT_ULTRIX: COMPAT_50



 > 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
 > linux_sysent.o:(.data+0x184): undefined reference to `compat_43_sys_lseek'
 > linux_sysent.o:(.data+0x5d0): undefined reference to `compat_43_sys_sethostname'
 > linux_sysent.o:(.data+0x698): undefined reference to `compat_43_sys_lstat'
 > linux_sysent.o:(.data+0x738): undefined reference to `compat_43_sys_truncate'
 > linux_sysent.o:(.data+0x74c): undefined reference to `compat_43_sys_ftruncate'
 > freebsd_sysent.o:(.data+0xa8): undefined reference to `compat_43_sys_creat'
 > freebsd_sysent.o:(.data+0x184): undefined reference to `compat_43_sys_lseek'
 > freebsd_sysent.o:(.data+0x300): undefined reference to `compat_43_sys_stat'
 > freebsd_sysent.o:(.data+0x328): undefined reference to `compat_43_sys_lstat'
 > freebsd_sysent.o:(.data+0x4e0): undefined reference to `compat_43_sys_fstat'
 > freebsd_sysent.o:(.data+0x4f4): undefined reference to `compat_43_sys_getkerninfo'
 > freebsd_sysent.o:(.data+0x508): undefined reference to `compat_43_sys_getpagesize'
 > freebsd_sysent.o:(.data+0x594): undefined reference to `compat_43_sys_mmap'
 > freebsd_sysent.o:(.data+0x698): undefined reference to `compat_43_sys_wait'
 > freebsd_sysent.o:(.data+0x6d4): undefined reference to `compat_43_sys_gethostname'
 > freebsd_sysent.o:(.data+0x6e8): undefined reference to `compat_43_sys_sethostname'
 > freebsd_sysent.o:(.data+0x6fc): undefined reference to `compat_43_sys_getdtablesize'
 > freebsd_sysent.o:(.data+0x7c4): undefined reference to `compat_43_sys_accept'
 > freebsd_sysent.o:(.data+0x7ec): undefined reference to `compat_43_sys_send'
 > freebsd_sysent.o:(.data+0x800): undefined reference to `compat_43_sys_recv'
 > freebsd_sysent.o:(.data+0x878): undefined reference to `compat_43_sys_sigvec'
 > freebsd_sysent.o:(.data+0x88c): undefined reference to `compat_43_sys_sigblock'
 > freebsd_sysent.o:(.data+0x8a0): undefined reference to `compat_43_sys_sigsetmask'
 > freebsd_sysent.o:(.data+0x8c8): undefined reference to `compat_43_sys_sigstack'
 > freebsd_sysent.o:(.data+0x8dc): undefined reference to `compat_43_sys_recvmsg'
 > freebsd_sysent.o:(.data+0x8f0): undefined reference to `compat_43_sys_sendmsg'
 > freebsd_sysent.o:(.data+0x9cc): undefined reference to `compat_43_sys_recvfrom'
 > freebsd_sysent.o:(.data+0xa1c): undefined reference to `compat_43_sys_truncate'
 > freebsd_sysent.o:(.data+0xa30): undefined reference to `compat_43_sys_ftruncate'
 > freebsd_sysent.o:(.data+0xb0c): undefined reference to `compat_43_sys_getpeername'
 > freebsd_sysent.o:(.data+0xb20): undefined reference to `compat_43_sys_gethostid'
 > freebsd_sysent.o:(.data+0xb34): undefined reference to `compat_43_sys_sethostid'
 > freebsd_sysent.o:(.data+0xb48): undefined reference to `compat_43_sys_getrlimit'
 > freebsd_sysent.o:(.data+0xb5c): undefined reference to `compat_43_sys_setrlimit'
 > freebsd_sysent.o:(.data+0xb70): undefined reference to `compat_43_sys_killpg'
 > freebsd_sysent.o:(.data+0xbac): undefined reference to `compat_43_sys_quota'
 > freebsd_sysent.o:(.data+0xbc0): undefined reference to `compat_43_sys_getsockname'
 > freebsd_sysent.o:(.data+0xc38): undefined reference to `compat_43_sys_getdirentries'
 > freebsd_sysent.o:(.data+0xcb0): undefined reference to `compat_09_sys_getdomainname'
 > freebsd_sysent.o:(.data+0xcc4): undefined reference to `compat_09_sys_setdomainname'
 > freebsd_sysent.o:(.data+0xcd8): undefined reference to `compat_09_sys_uname'
 > How-To-Repeat:
 > Build a kernel in which a couple of COMPAT_ lines in the config
 > are commented out and which also have COMPAT_LINUX and/or COMPAT_FREEBSD
 >> Fix:
 > No problem building a 8.99.31 kernel right before the compat
 > merge with the same config file (although that kernel crashes
 > in the atapi attach code due to referencering a null pointer)
 >
 >
 > !DSPAM:5c4e1d0b164211834365706!
 >
 >

 +------------------+--------------------------+----------------------------+
 | Paul Goyette     | PGP Key fingerprint:     | E-mail addresses:          |
 | (Retired)        | FA29 0E3B 35AF E8AE 6651 | paul at whooppee dot com   |
 | Kernel Developer | 0786 F758 55DE 53BA 7731 | pgoyette at netbsd dot org |
 +------------------+--------------------------+----------------------------+
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Responsible-Changed-From-To: kern-bug-people->pgoyette
Responsible-Changed-By: pgoyette@NetBSD.org
Responsible-Changed-When: Sun, 27 Jan 2019 21:16:27 +0000
Responsible-Changed-Why:
Take


State-Changed-From-To: open->feedback
State-Changed-By: pgoyette@NetBSD.org
State-Changed-When: Sun, 27 Jan 2019 22:01:10 +0000
State-Changed-Why:
Fix committed, requesting feedback/confirmation from submitter


From: Onno van der Linden <o.vd.linden@quicknet.nl>
To: gnats-bugs@NetBSD.org
Cc: 
Subject: Re: kern/53915 (compat merge cause kernel link failure)
Date: Mon, 28 Jan 2019 17:31:21 +0100

 On Sun, Jan 27, 2019 at 10:01:10PM +0000, pgoyette@NetBSD.org wrote:
 > Synopsis: compat merge cause kernel link failure
 > 
 > State-Changed-From-To: open->feedback
 > State-Changed-By: pgoyette@NetBSD.org
 > State-Changed-When: Sun, 27 Jan 2019 22:01:10 +0000
 > State-Changed-Why:
 > Fix committed, requesting feedback/confirmation from submitter
 > 

 Compiles and links fine. Close this PR.

 Thanks very much,

 Onno

State-Changed-From-To: feedback->closed
State-Changed-By: pgoyette@NetBSD.org
State-Changed-When: Mon, 28 Jan 2019 21:39:26 +0000
State-Changed-Why:
Confirmed fixed by originator


>Unformatted:

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