Re: [gentoo-dev] emacs segfaults

[Matthew Kennedy]

As mentioned on http://bugs.gentoo.org/show_bug.cgi?id=5816 it's a
problem with sandbox and glibc.

The work around is 

  FEATURES=-sandbox emerge emacs

Matt


On Thu, 2002-08-01 at 15:33, Burton Samograd wrote:
> I just did an update and now for some reason my emacs is segfaulting at
> startup.  I've tried unmerging it and installing different versions with
> no luck.  And, as luck would have it, the xemacs build script seems to have
> problems too.
>
> Here's an strace of emacs starting up:
>
> <snip beginning>
>
> open("/usr/X11R6/lib/libc.so.6", O_RDONLY) = -1 ENOENT (No such file or directory)
> open("/lib/libc.so.6", O_RDONLY)        = 3
> read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0 \203\1"..., 1024) = 1024
> fstat64(3, {st_mode=S_IFREG|0755, st_size=1485302, ...}) = 0
> old_mmap(NULL, 1340928, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x4dbad000
> mprotect(0x4dceb000, 38400, PROT_NONE)  = 0
> old_mmap(0x4dceb000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0x13d000) = 0x4dceb000
> old_mmap(0x4dcf1000, 13824, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x4dcf1000
> close(3)                                = 0
> old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x4dcf5000
> open("/usr/X11R6/lib/libdl.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
> open("/usr/X11R6/lib/libdl.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
> open("/lib/libdl.so.2", O_RDONLY)       = 3
> read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\20\31\0"..., 1024) = 1024
> fstat64(3, {st_mode=S_IFREG|0755, st_size=11752, ...}) = 0
> old_mmap(NULL, 11488, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x4dcf6000
> mprotect(0x4dcf8000, 3296, PROT_NONE)   = 0
> old_mmap(0x4dcf8000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0x1000) = 0x4dcf8000
> close(3)                                = 0
> mprotect(0x4daa4000, 57344, PROT_READ|PROT_WRITE) = 0
> mprotect(0x4daa4000, 57344, PROT_READ|PROT_EXEC) = 0
> munmap(0x4d9f8000, 24586)               = 0
> getrlimit(0x3, 0xbff4fba0)              = 0
> setrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM_INFINITY}) = 0
> --- SIGSEGV (Segmentation fault) ---
> +++ killed by SIGSEGV +++
>
> <end>
>
> and here's the output from "emerge xemacs"
>
> <snip common autoconf output>
> XEmacs 21.4.8 "Honest Recruiter" configured for `i686-pc-linux'.
>
>
> Compilation / Installation:
>   Source code location:              /var/tmp/portage/xemacs-21.4.8-r3/work/xemacs-21.4.8
>   Installation prefix:               /usr
>   Operating system description file: `s/linux.h'
>   Machine description file:          `m/intel386.h'
>   Compiler:                          gcc -march=i686 -mcpu=i686 -O3 -pipe -fforce-addr -frerun-cse-after-loop -frerun-loop-opt -falign-functions=4 -funroll-loops -fomit-frame-pointer -fexpensive-optimizations
>   Relocating allocator for buffers:  no
>   GNU version of malloc:             yes
>     - Using Doug Lea's new malloc from the GNU C Library.
>   Linking with `-z nocombreloc'.
>     - Consider configuring with --pdump.
>
> Window System:
>   Compiling in support for the X window system:
>     - X Windows headers location:                 /usr/X11R6/include
>     - X Windows libraries location:               /usr/X11R6/lib
>     - Handling WM_COMMAND properly.
>   Using Lucid menubars.
>   Using Lucid scrollbars.
>   Using Motif dialog boxes.
>   Using Motif native widgets.
>
> TTY:
>   Compiling in support for ncurses.
>   Compiling in support for GPM (General Purpose Mouse).
>
> Images:
>   Compiling in support for XPM  images.
>   Compiling in support for PNG  images.
>   Compiling in support for JPEG images.
>   Compiling in support for TIFF images.
>
> Sound:
>   Compiling in support for sound (native).
>
> Databases:
>   Compiling in support for GNU DBM.
>
> Internationalization:
>
> Mail:
>   Compiling in support for POP mail retrieval.
>   Compiling in support for "dot-locking" mail spool file locking method.
>
> Other Features:
>   Inhibiting IPv6 canonicalization at startup.
>   Compiling in support for dynamic shared object modules.
>
>
> creating ./config.status
> creating Makefile.in
> creating lib-src/Makefile.in
> creating lwlib/Makefile.in
> creating src/Makefile.in
> creating src/paths.h
> creating lib-src/config.values
> creating lib-src/ellcc.h
> creating src/config.h
> creating lwlib/config.h
> creating ./Makefile
> creating ./GNUmakefile
> creating lib-src/Makefile
> creating lib-src/GNUmakefile
> creating lwlib/Makefile
> creating lwlib/GNUmakefile
> creating src/Makefile
> creating src/GNUmakefile
> Producing `src/Emacs.ad.h' from `etc/Emacs.ad'.
> Resetting `src/sheap-adjust.h'.
> Building finder database ...
> cd /var/tmp/portage/xemacs-21.4.8-r3/work/xemacs-21.4.8/man && make info
> /bin/sh: /var/tmp/portage/xemacs-21.4.8-r3/work/xemacs-21.4.8/src/xemacs: No such file or directory
> make: *** [lisp/finder-inf.el] Error 127
> make: *** Waiting for unfinished jobs....
> make[1]: Entering directory `/var/tmp/portage/xemacs-21.4.8-r3/work/xemacs-21.4.8/man'
> make[1]: warning: jobserver unavailable: using -j1.  Add `+' to parent make rule.
> make[1]: Nothing to be done for `info'.
> make[1]: Leaving directory `/var/tmp/portage/xemacs-21.4.8-r3/work/xemacs-21.4.8/man'
>
> !!! ERROR: The ebuild did not complete successfully.
> !!! Function src_compile, Line 115, Exitcode 2
> !!! (no error message)
>
> !!! emerge aborting on  /usr/portage/app-editors/xemacs/xemacs-21.4.8-r3.ebuild .
> <end>
>
> Any ideas on what's happenning here?  I just emerged xfree yesterday (i was console only
> before)...i'm thinking that has something to do with the new problems.
>
> Thanks,
>
> burton samograd (using nano :-/ )
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