From Kreft@Cardiff.ac.uk  Tue Jul 11 18:47:41 2000
From: Kreft@Cardiff.ac.uk (Jan Kreft)
Date: Tue, 11 Jul 2000 18:47:41 +0100 (BST)
Subject: [Rd] Help: R seg faults
In-Reply-To: <Pine.OSF.4.10.10007111805280.9847-100000@thor>
Message-ID: <Pine.OSF.4.10.10007111845480.9847-100000@thor>

OK,

just installed new readline-4.1 and recompiled and R works fine with
history. What a relief!

Cheers, Jan.

On Tue, 11 Jul 2000, Jan Kreft wrote:

> Thanks,
> 
> that's it. Configuring --without-readline avoids the problem. Will now get
> a new version of readline and see if I can make it work. Can't figure out
> which version of readline I have, though I found two identical copies of
> the readline dir, one in /usr/include and one in /usr/local/include.
> 
> My system was a long time ago SuSE linux 6.1, but I have made many
> changes, such as glibc, gcc, kernel.
> 
> Thanks again, Jan.
> 
> On Tue, 11 Jul 2000, Prof Brian D Ripley wrote:
> 
> > On Tue, 11 Jul 2000, Jan Kreft wrote:
> > 
> > > Dear list,
> > > 
> > > I hope this is the right forum to ask. I have just downloaded and compiled
> > > R, but I get a segfault after I start R.
> > 
> > That segfault is from readline, not R itself.
> > 
> > > make, make test/check, went OK.
> > > 
> > > My system is
> > > linux-2.2.13
> > > glibc-2.1.3
> > > gcc 2.95.2
> > > R-1.1.0
> > 
> > and where did you get readline from? (Is this some Linux distribution?)
> > 
> > > Here is a backtrace from gdb:
> > > 
> > > (gdb) file /usr/local/lib/R/bin/R.bin
> > > Reading symbols from /usr/local/lib/R/bin/R.bin...done.
> > > (gdb) run
> > > Starting program: /usr/local/lib/R/bin/R.bin 
> > > 
> > > R : Copyright 2000, The R Development Core Team
> > > Version 1.1.0  (June 15, 2000)
> > > 
> > > R is free software and comes with ABSOLUTELY NO WARRANTY.
> > > You are welcome to redistribute it under certain conditions.
> > > Type    "?license" or "?licence" for distribution details.
> > > 
> > > R is a collaborative project with many contributors.
> > > Type    "?contributors" for a list.
> > > 
> > > Type    "demo()" for some demos, "help()" for on-line help, or
> > >         "help.start()" for a HTML browser interface to help.
> > > Type    "q()" to quit R.
> > > 
> > > 
> > > Program received signal SIGSEGV, Segmentation fault.
> > > 0x400da7bc in _IO_fflush (fp=0x819ecd8) at iofflush.c:41
> > > 41            result = _IO_SYNC (fp) ? EOF : 0;
> > > (gdb) bt
> > > #0  0x400da7bc in _IO_fflush (fp=0x819ecd8) at iofflush.c:41
> > > #1  0x8122165 in rl_prep_terminal (meta_flag=0) at rltty.c:555
> > > #2  0x811cb08 in _rl_callback_newline () at callback.c:76
> > > #3  0x811cb4a in rl_callback_handler_install (prompt=0x4093c210 "> ", linefunc=0x80e8798 <readline_handler>) at callback.c:95
> > > #4  0x80e89b5 in Rstd_ReadConsole (prompt=0x4093c210 "> ", buf=0xbfffeedc "", len=1024, addtohistory=1) at ../../../R-1.1.0/src/unix/sys-std.c:357
> > > #5  0x80e6b2e in R_ReadConsole (prompt=0x4093c210 "> ", buf=0xbfffeedc "", len=1024, addtohistory=1) at ../../../R-1.1.0/src/unix/system.c:66
> > > #6  0x8097d78 in R_ReplConsole (rho=0x40296338, savestack=0, browselevel=0) at ../../../R-1.1.0/src/main/main.c:128
> > > #7  0x80985e2 in run_Rmainloop () at ../../../R-1.1.0/src/main/main.c:454
> > > #8  0x8098620 in Rf_mainloop () at ../../../R-1.1.0/src/main/main.c:468
> > > #9  0x80e715a in main (ac=0, av=0xbffff7f4) at ../../../R-1.1.0/src/unix/system.c:222
> > 
> > Thanks for the detail, which enables me to guess at how to solve this....
> > 
> > Suggestions:
> > 
> > (1) configure with --without-readline and see if that works (it
> > should, since make check does).  You `just' lose the command-line history.
> > 
> > (2) Compile the current readline sources yourself and use that, building
> > from scratch. In so far as your spec looks like RH6.2 with gcc-2.95.2 added
> > (from memory), that has a good chance to work as it did for me. It might
> > matter that readline is compiled with the same compiler as R.  (I know it
> > should not, but RH6.2 seems to have some problems making dynamic libraries
> > with the supplied egcs.)
> > 
> > 
> > -- 
> > Brian D. Ripley,                  ripley@stats.ox.ac.uk
> > Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
> > University of Oxford,             Tel:  +44 1865 272861 (self)
> > 1 South Parks Road,                     +44 1865 272860 (secr)
> > Oxford OX1 3TG, UK                Fax:  +44 1865 272595
> > 
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[Rd] Help: R seg faults
Jan Kreft