1. Feb 2016 11:39 by [email protected]:
> On 01/02/2016 10:50, Paul wrote: >> Hi, >> >> I built a few lfs systems about 10-12 years ago and am just coming back to >> it. I am building the SVN version. >> >> The build is done on an up to date Arch system which passed the >> compatibility tests. >> >> Stage 1 compiles with quite a few warnings but no significant errors. >> >> After stage 1 the make executable in /mnt/lfs/tools works fine until I >> chroot and then it segfaults and core dumps. >> >> Make has no apparant dependencies to the base system. >> >> [root@odin ~]# cd /mnt/lfs/tools/ >> [root@odin tools]# ldd bin/make >> linux-vdso.so.1 (0x00007ffdcd9eb000) >> libdl.so.2 => /tools/lib/libdl.so.2 (0x00007f6d069a7000) >> libc.so.6 => /tools/lib/libc.so.6 (0x00007f6d06603000) >> /tools/lib/ld-linux-x86-64.so.2 (0x00007f6d06bab000) >> [root@odin tools]# ldd /tools/lib/libdl.so.2 >> linux-vdso.so.1 (0x00007fff9f6f5000) >> libc.so.6 => /tools/lib/libc.so.6 (0x00007f6b84a50000) >> /tools/lib/ld-linux-x86-64.so.2 (0x00005558f1d91000) >> [root@odin tools]# ldd /tools/lib/libc.so.6 >> /tools/lib/ld-linux-x86-64.so.2 (0x00007ff07740f000) >> linux-vdso.so.1 (0x00007ffdbd329000) >> [root@odin tools]# ldd /tools/lib64/ld-linux-x86-64.so.2 >> statically linked >> >> I have been cross checking things for over a week now and haven't been >> able to spot my mistake. >> >> Hopefully some one here will be able to suggest something that will help. >> >> Paul >> > Hi Paul, > > There are quite a few possibilities: > - Is it only "make" which segfaults, and no other program (sed, perl, bash, > anything built in stage 1)? > - Is it really "make" which segfaults, and not one of the commands it tries > to run? > - You say there is a core dump. Could you analyze the dump on the host, > using gdb (needs perhaps a few other steps, I have not tried myself). > > Pierre > > > Also make sure to mount the virtual filesystems before entering the chroot environment. Segfaults are common when programs try to check /proc or /dev and they aren't mounted. -- Willie
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