[uml-devel] cannot compile 2.6.1 uml-kernel, NPTL?

[uml-devel] cannot compile 2.6.1 uml-kernel, NPTL?

[Sven Köhler]

[-- Attachment #1: Type: text/plain, Size: 1338 bytes --]

hi,

i'm trying to compile kernel 2.6.1 with the UML-patch that Jeff Dike 
supplied. Well, i get that error:

gcc -Wl,-T,arch/um/uml.lds.s -static -Wl,--wrap,malloc -Wl,--wrap,free 
-Wl,--wrap,calloc \
         -o linux arch/um/main.o vmlinux -L/usr/lib -lutil
vmlinux(.text+0x1425c0): In function `sscanf':
: multiple definition of `sscanf'
arch/um/kernel/tt/unmap_fin.o(.text+0x33e20):__mmap64: first defined here
vmlinux(.rodata+0xac80): multiple definition of `__mon_yday'
arch/um/kernel/tt/unmap_fin.o(.rodata+0x10240):__mremap: first defined here
vmlinux(.text+0x141520): In function `strpbrk':
: multiple definition of `strpbrk'
arch/um/kernel/tt/unmap_fin.o(.text+0x358d0):strpbrk: first defined here
/usr/lib/gcc-lib/i686-pc-linux-gnu/3.2.3/../../../../i686-pc-linux-gnu/bin/ld: 
Warning: size of symbol `strpbrk' changed from 179 in 
arch/um/kernel/tt/unmap_fin.o to 64 in vmlinux
/usr/lib/gcc-lib/i686-pc-linux-gnu/3.2.3/../../../../i686-pc-linux-gnu/bin/ld: 
BFD 2.14.90.0.6 20030820 assertion fail elf.c:3458
collect2: ld returned 1 exit status

attached is the .config i used o compile the UML-kernel.
just today, i recompiled my glibc to use NPTL. it's just my test-system, 
the system i will run UML on will not have NPTL installed, but is it a 
good idea to run UML on a NPTL-patched host-system in general?

Thx
   Sven

[-- Attachment #2: .config --]
[-- Type: text/plain, Size: 7318 bytes --]

#
# Automatically generated make config: don't edit
#
CONFIG_USERMODE=y
CONFIG_MMU=y
CONFIG_UID16=y
CONFIG_RWSEM_GENERIC_SPINLOCK=y

#
# UML-specific options
#
CONFIG_MODE_TT=y
CONFIG_MODE_SKAS=y
CONFIG_NET=y
CONFIG_BINFMT_ELF=y
CONFIG_BINFMT_MISC=y
# CONFIG_HOSTFS is not set
# CONFIG_HPPFS is not set
CONFIG_MCONSOLE=y
# CONFIG_MAGIC_SYSRQ is not set
# CONFIG_HOST_2G_2G is not set
# CONFIG_UML_SMP is not set
# CONFIG_SMP is not set
CONFIG_NEST_LEVEL=0
CONFIG_KERNEL_HALF_GIGS=1
# CONFIG_HIGHMEM is not set
# CONFIG_PROC_MM is not set
CONFIG_KERNEL_STACK_ORDER=2
CONFIG_UML_REAL_TIME_CLOCK=y

#
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y
CONFIG_CLEAN_COMPILE=y
CONFIG_STANDALONE=y
CONFIG_BROKEN_ON_SMP=y

#
# General setup
#
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
# CONFIG_BSD_PROCESS_ACCT is not set
CONFIG_SYSCTL=y
CONFIG_LOG_BUF_SHIFT=14
# CONFIG_IKCONFIG is not set
# CONFIG_EMBEDDED is not set
CONFIG_KALLSYMS=y
CONFIG_FUTEX=y
CONFIG_EPOLL=y
CONFIG_IOSCHED_NOOP=y
CONFIG_IOSCHED_AS=y
CONFIG_IOSCHED_DEADLINE=y
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set

#
# Loadable module support
#
# CONFIG_MODULES is not set

#
# Generic Driver Options
#

#
# Character Devices
#
CONFIG_STDIO_CONSOLE=y
CONFIG_SSL=y
CONFIG_FD_CHAN=y
CONFIG_NULL_CHAN=y
CONFIG_PORT_CHAN=y
CONFIG_PTY_CHAN=y
CONFIG_TTY_CHAN=y
CONFIG_XTERM_CHAN=y
CONFIG_CON_ZERO_CHAN="fd:0,fd:1"
CONFIG_CON_CHAN="xterm"
CONFIG_SSL_CHAN="pty"
CONFIG_UNIX98_PTYS=y
CONFIG_UNIX98_PTY_COUNT=256
# CONFIG_WATCHDOG is not set
# CONFIG_UML_SOUND is not set
# CONFIG_SOUND is not set
# CONFIG_HOSTAUDIO is not set

#
# Block Devices
#
CONFIG_BLK_DEV_UBD=y
# CONFIG_BLK_DEV_UBD_SYNC is not set
CONFIG_BLK_DEV_COW_COMMON=y
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_NBD=y
# CONFIG_BLK_DEV_RAM is not set
# CONFIG_MMAPPER is not set
CONFIG_NETDEVICES=y

#
# UML Network Devices
#
CONFIG_UML_NET=y
CONFIG_UML_NET_ETHERTAP=y
CONFIG_UML_NET_TUNTAP=y
CONFIG_UML_NET_SLIP=y
# CONFIG_UML_NET_DAEMON is not set
# CONFIG_UML_NET_MCAST is not set
# CONFIG_UML_NET_PCAP is not set
CONFIG_UML_NET_SLIRP=y

#
# Networking support
#

#
# Networking options
#
CONFIG_PACKET=y
# CONFIG_PACKET_MMAP is not set
# CONFIG_NETLINK_DEV is not set
CONFIG_UNIX=y
# CONFIG_NET_KEY is not set
CONFIG_INET=y
# CONFIG_IP_MULTICAST is not set
# CONFIG_IP_ADVANCED_ROUTER is not set
# CONFIG_IP_PNP is not set
# CONFIG_NET_IPIP is not set
# CONFIG_NET_IPGRE is not set
# CONFIG_ARPD is not set
# CONFIG_INET_ECN is not set
# CONFIG_SYN_COOKIES is not set
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
# CONFIG_IPV6 is not set
# CONFIG_DECNET is not set
# CONFIG_BRIDGE is not set
# CONFIG_NETFILTER is not set

#
# SCTP Configuration (EXPERIMENTAL)
#
CONFIG_IPV6_SCTP__=y
# CONFIG_IP_SCTP is not set
# CONFIG_ATM is not set
# CONFIG_VLAN_8021Q is not set
# CONFIG_LLC2 is not set
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
# CONFIG_X25 is not set
# CONFIG_LAPB is not set
# CONFIG_NET_DIVERT is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set
# CONFIG_NET_FASTROUTE is not set
# CONFIG_NET_HW_FLOWCONTROL is not set

#
# QoS and/or fair queueing
#
# CONFIG_NET_SCHED is not set

#
# Network testing
#
# CONFIG_NET_PKTGEN is not set
CONFIG_DUMMY=y
# CONFIG_BONDING is not set
# CONFIG_EQUALIZER is not set
# CONFIG_TUN is not set

#
# Ethernet (10 or 100Mbit)
#
CONFIG_NET_ETHERNET=y
CONFIG_MII=y

#
# Ethernet (1000 Mbit)
#

#
# Ethernet (10000 Mbit)
#
# CONFIG_PPP is not set
# CONFIG_SLIP is not set

#
# Wireless LAN (non-hamradio)
#
# CONFIG_NET_RADIO is not set

#
# Token Ring devices
#
# CONFIG_SHAPER is not set

#
# Wan interfaces
#
# CONFIG_WAN is not set

#
# Amateur Radio support
#
# CONFIG_HAMRADIO is not set

#
# IrDA (infrared) support
#
# CONFIG_IRDA is not set

#
# Bluetooth support
#
# CONFIG_BT is not set

#
# File systems
#
CONFIG_EXT2_FS=y
CONFIG_EXT2_FS_XATTR=y
CONFIG_EXT2_FS_POSIX_ACL=y
CONFIG_EXT2_FS_SECURITY=y
CONFIG_EXT3_FS=y
CONFIG_EXT3_FS_XATTR=y
CONFIG_EXT3_FS_POSIX_ACL=y
CONFIG_EXT3_FS_SECURITY=y
CONFIG_JBD=y
# CONFIG_JBD_DEBUG is not set
CONFIG_FS_MBCACHE=y
CONFIG_REISERFS_FS=y
# CONFIG_REISERFS_CHECK is not set
CONFIG_REISERFS_PROC_INFO=y
# CONFIG_JFS_FS is not set
CONFIG_FS_POSIX_ACL=y
# CONFIG_XFS_FS is not set
# CONFIG_MINIX_FS is not set
# CONFIG_ROMFS_FS is not set
# CONFIG_QUOTA is not set
# CONFIG_AUTOFS_FS is not set
CONFIG_AUTOFS4_FS=y

#
# CD-ROM/DVD Filesystems
#
CONFIG_ISO9660_FS=y
CONFIG_JOLIET=y
CONFIG_ZISOFS=y
CONFIG_ZISOFS_FS=y
CONFIG_UDF_FS=y

#
# DOS/FAT/NT Filesystems
#
CONFIG_FAT_FS=y
# CONFIG_MSDOS_FS is not set
CONFIG_VFAT_FS=y
CONFIG_NTFS_FS=y
# CONFIG_NTFS_DEBUG is not set
# CONFIG_NTFS_RW is not set

#
# Pseudo filesystems
#
CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
CONFIG_DEVFS_FS=y
# CONFIG_DEVFS_MOUNT is not set
# CONFIG_DEVFS_DEBUG is not set
CONFIG_DEVPTS_FS=y
# CONFIG_DEVPTS_FS_XATTR is not set
CONFIG_TMPFS=y
# CONFIG_HUGETLB_PAGE is not set
CONFIG_RAMFS=y

#
# Miscellaneous filesystems
#
# CONFIG_ADFS_FS is not set
# CONFIG_AFFS_FS is not set
# CONFIG_HFS_FS is not set
# CONFIG_BEFS_FS is not set
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
# CONFIG_CRAMFS is not set
# CONFIG_VXFS_FS is not set
# CONFIG_HPFS_FS is not set
# CONFIG_QNX4FS_FS is not set
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set

#
# Network File Systems
#
CONFIG_NFS_FS=y
# CONFIG_NFS_V3 is not set
# CONFIG_NFS_V4 is not set
# CONFIG_NFS_DIRECTIO is not set
CONFIG_NFSD=y
# CONFIG_NFSD_V3 is not set
# CONFIG_NFSD_TCP is not set
CONFIG_LOCKD=y
CONFIG_EXPORTFS=y
CONFIG_SUNRPC=y
# CONFIG_SUNRPC_GSS is not set
CONFIG_SMB_FS=y
CONFIG_SMB_NLS_DEFAULT=y
CONFIG_SMB_NLS_REMOTE="cp850"
# CONFIG_CIFS is not set
# CONFIG_NCP_FS is not set
# CONFIG_CODA_FS is not set
# CONFIG_INTERMEZZO_FS is not set
# CONFIG_AFS_FS is not set

#
# Partition Types
#
# CONFIG_PARTITION_ADVANCED is not set
CONFIG_MSDOS_PARTITION=y

#
# Native Language Support
#
CONFIG_NLS=y
CONFIG_NLS_DEFAULT="iso8859-15"
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_CODEPAGE_737=y
CONFIG_NLS_CODEPAGE_775=y
CONFIG_NLS_CODEPAGE_850=y
CONFIG_NLS_CODEPAGE_852=y
CONFIG_NLS_CODEPAGE_855=y
CONFIG_NLS_CODEPAGE_857=y
CONFIG_NLS_CODEPAGE_860=y
CONFIG_NLS_CODEPAGE_861=y
CONFIG_NLS_CODEPAGE_862=y
CONFIG_NLS_CODEPAGE_863=y
CONFIG_NLS_CODEPAGE_864=y
CONFIG_NLS_CODEPAGE_865=y
CONFIG_NLS_CODEPAGE_866=y
CONFIG_NLS_CODEPAGE_869=y
CONFIG_NLS_CODEPAGE_936=y
CONFIG_NLS_CODEPAGE_950=y
CONFIG_NLS_CODEPAGE_932=y
CONFIG_NLS_CODEPAGE_949=y
CONFIG_NLS_CODEPAGE_874=y
CONFIG_NLS_ISO8859_8=y
CONFIG_NLS_CODEPAGE_1250=y
CONFIG_NLS_CODEPAGE_1251=y
CONFIG_NLS_ISO8859_1=y
CONFIG_NLS_ISO8859_2=y
CONFIG_NLS_ISO8859_3=y
CONFIG_NLS_ISO8859_4=y
CONFIG_NLS_ISO8859_5=y
CONFIG_NLS_ISO8859_6=y
CONFIG_NLS_ISO8859_7=y
CONFIG_NLS_ISO8859_9=y
CONFIG_NLS_ISO8859_13=y
CONFIG_NLS_ISO8859_14=y
CONFIG_NLS_ISO8859_15=y
CONFIG_NLS_KOI8_R=y
CONFIG_NLS_KOI8_U=y
CONFIG_NLS_UTF8=y

#
# Security options
#
# CONFIG_SECURITY is not set

#
# Cryptographic options
#
# CONFIG_CRYPTO is not set

#
# Library routines
#
CONFIG_CRC32=y
CONFIG_ZLIB_INFLATE=y

#
# SCSI support
#
# CONFIG_SCSI is not set

#
# Multi-device support (RAID and LVM)
#
# CONFIG_MD is not set

#
# Memory Technology Devices (MTD)
#
# CONFIG_MTD is not set

#
# Kernel hacking
#
# CONFIG_DEBUG_SLAB is not set
# CONFIG_DEBUG_SPINLOCK is not set
# CONFIG_DEBUG_INFO is not set

Re: [uml-devel] cannot compile 2.6.1 uml-kernel, NPTL?

[BlaisorBlade]

Alle 01:38, sabato 17 gennaio 2004, Sven Köhler ha scritto:
> hi,
>
> i'm trying to compile kernel 2.6.1 with the UML-patch that Jeff Dike
> supplied. Well, i get that error:

> arch/um/kernel/tt/unmap_fin.o(.text+0x358d0):strpbrk: first defined here
> /usr/lib/gcc-lib/i686-pc-linux-gnu/3.2.3/../../../../i686-pc-linux-gnu/bin/
>ld: Warning: size of symbol `strpbrk' changed from 179 in
> arch/um/kernel/tt/unmap_fin.o to 64 in vmlinux

It must be linker error.

> /usr/lib/gcc-lib/i686-pc-linux-gnu/3.2.3/../../../../i686-pc-linux-gnu/bin/

>ld: BFD 2.14.90.0.6 20030820 assertion fail elf.c:3458

assertion failed means a bug. Would you retest with another binutils version? 
On my system ld --version gives:

GNU ld version 2.13.90.0.18 20030121

So probably you have a binutils bug. *Maybe* there is also something strange 
in UML that triggers the bug, but an assertion failed is anyway a linker bug.

Bye
-- 
cat <<EOSIGN
Paolo Giarrusso, aka Blaisorblade
Linux Kernel 2.4.23/2.6.0 on an i686; Linux registered user n. 292729
EOSIGN



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Re: [uml-devel] cannot compile 2.6.1 uml-kernel, NPTL?

[Sven Köhler]

>>ld: BFD 2.14.90.0.6 20030820 assertion fail elf.c:3458
> 
> assertion failed means a bug. Would you retest with another binutils version? 
> On my system ld --version gives:

silly me, i should have realized that.

> GNU ld version 2.13.90.0.18 20030121
> 
> So probably you have a binutils bug. *Maybe* there is also something strange 
> in UML that triggers the bug, but an assertion failed is anyway a linker bug.

i will retry with binutils ...0.18, hope it helps.


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Re: [uml-devel] cannot compile 2.6.1 uml-kernel, NPTL?

[Sven Köhler]

> assertion failed means a bug. Would you retest with another binutils version? 

well, i tried it with 2.13.90.0.18, 2.14.90.0.6 and 2.14.90.0.7, nothing 
works. always the same assertion.


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[uml-devel] Re: cannot compile 2.6.1 uml-kernel, NPTL?

[Sven Köhler]

> gcc -Wl,-T,arch/um/uml.lds.s -static -Wl,--wrap,malloc -Wl,--wrap,free 
> -Wl,--wrap,calloc \
>         -o linux arch/um/main.o vmlinux -L/usr/lib -lutil

Since the only file that's included is /usr/lib/libutils.so and this 
file is part of glibc, i believe that it's my NPTL-patched glibc.

Can somebody with installed NPTL confirm the problem?

BTW: i'm using glibc 2.3.2



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[uml-devel] Re: cannot compile 2.6.1 uml-kernel, NPTL?

[M A Young]

>> gcc -Wl,-T,arch/um/uml.lds.s -static -Wl,--wrap,malloc -Wl,--wrap,free
>> -Wl,--wrap,calloc \
>>         -o linux arch/um/main.o vmlinux -L/usr/lib -lutil
>
>Since the only file that's included is /usr/lib/libutils.so and this
>file is part of glibc, i believe that it's my NPTL-patched glibc.
>
>Can somebody with installed NPTL confirm the problem?
>
>BTW: i'm using glibc 2.3.2

I think I saw something similar to your original error when playing with
linking against an nptl enabled libc.a, but I can't remember the details.
I suspect NPTL has some header differences.

It is however worth starting again from a clean kernel tree to make sure
it is not old .o files causing the problems.

	Michael Young


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[uml-devel] Re: cannot compile 2.6.1 uml-kernel, NPTL?

[Sven Köhler]

> It is however worth starting again from a clean kernel tree to make sure
> it is not old .o files causing the problems.

Shouldn't "make clean" or even "make mrproper" remove all old .o files?
I did both, it didn't help.

I now recompiled my glibc without NPTL and i can compile the UML-kernel 
again without errors.



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Re: [uml-devel] Re: cannot compile 2.6.1 uml-kernel, NPTL?

[Nuno Silva]

Hello!

Sven Köhler wrote:
>> gcc -Wl,-T,arch/um/uml.lds.s -static -Wl,--wrap,malloc -Wl,--wrap,free 
>> -Wl,--wrap,calloc \
>>         -o linux arch/um/main.o vmlinux -L/usr/lib -lutil
> 
> 
> Since the only file that's included is /usr/lib/libutils.so and this 
> file is part of glibc, i believe that it's my NPTL-patched glibc.
> 
> Can somebody with installed NPTL confirm the problem?
> 
> BTW: i'm using glibc 2.3.2
> 

I can't confirm your problem, but something close:
With latest glibc (2.3.3cvs) with NPTL as the only glibc in the system 
(host kernel == 2.6), linux-2.4.23-um1 compiled dinamically exits with 
segfault.

I didn't have time, this last week, to retest diferent cenarios but I'll 
try in the next few days.

You're trying with 2.6-um and a release glibc, so this may be unrelated :-)

Regards,
Nuno Silva



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