org.r-project at pooryorick.com
2008-Mar-05 18:35 UTC
[Rd] Press delete key three times in R-2.6.1 to get segmentation fault (PR#10892)
Full_Name: Poor Yorick
Version: R-2.6.1
OS: 2.4.21-50.ELhugemem #1 SMP Tue May 8 17:10:31 EDT 2007 i686 i686 i386
GNU/Linux
Submission from: (NULL) (148.168.40.4)
After compiling R-2.6.1 with gcc-4.2.1 pressing the 'delete' key three
times in
an interactive session causes R to malfunction, spitting out an infinite stream
of errors. I have also replicated the issue in R-2.5.1:
R version 2.6.1 (2007-11-26)
Copyright (C) 2007 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
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> (HERE I PRESS DELETE KEY 3 TIMES)
*** caught segfault ***
address (nil), cause 'memory not mapped'
Possible actions:
1: abort (with core dump, if enabled)
2: normal R exit
3: exit R without saving workspace
4: exit R saving workspace
Selection:
*** caught segfault ***
address (nil), cause 'memory not mapped'
Possible actions:
1: abort (with core dump, if enabled)
2: normal R exit
3: exit R without saving workspace
4: exit R saving workspace
Selection:
*** caught segfault ***
address (nil), cause 'memory not mapped'
( SAME MESSAGE 32 more times )
Possible actions:
1: abort (with core dump, if enabled)
2: normal R exit
3: exit R without saving workspace
4: exit R saving workspace
Error in structure(list(name = name, exit = NULL, handler = handler,
"t??" `t??`, :
Value of SET_STRING_ELT() must be a 'CHARSXP' not a
'character'
In addition: There were 24 warnings (use warnings() to see them)
Error: value of 'SET_CXTAIL' must be a char or NULL, not a
'char'
Error: value of 'SET_CXTAIL' must be a char or NULL, not a
'char'
Error: value of 'SET_CXTAIL' must be a char or NULL, not a
'char'
Error: value of 'SET_CXTAIL' must be a char or NULL, not a
'char'
Error: value of 'SET_CXTAIL' must be a char or NULL, not a
'char'
Error: value of 'SET_CXTAIL' must be a char or NULL, not a
'char'
Error: value of 'SET_CXTAIL' must be a char or NULL, not a
'char'
Error: value of 'SET_CXTAIL' must be a char or NULL, not a
'char'
Error: value of 'SET_CXTAIL' must be a char or NULL, not a
'char'
(REPEATS INFINITELY)
Here is the xev record of a 'delete' key press in my terminal
KeyPress event, serial 20, synthetic NO, window 0xe00001,
root 0x3e, subw 0x0, time 443263949, (167,-11), root:(213,54),
state 0x0, keycode 107 (keysym 0xffff, Delete), same_screen YES,
XLookupString gives 1 bytes: ""
KeyRelease event, serial 20, synthetic NO, window 0xe00001,
root 0x3e, subw 0x0, time 443264060, (167,-11), root:(213,54),
state 0x0, keycode 107 (keysym 0xffff, Delete), same_screen YES,
XLookupString gives 1 bytes: ""
Here are the specs for the gcc that compiled R:
$ gcc -dumpspecs
*asm:
%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*}
*asm_debug:
%{gstabs*:--gstabs}%{!gstabs*:%{g*:--gdwarf2}}
*asm_final:
*asm_options:
%a %Y %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}
*invoke_as:
%{!S:-o %|.s |
as %(asm_options) %|.s %A }
*cpp:
%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}
*cpp_options:
%(cpp_unique_options) %1 %{m*} %{std*&ansi&trigraphs}
%{W*&pedantic*} %{w}
%{f*} %{g*:%{!g0:%{!fno-working-directory:-fworking-directory}}} %{O*} %{undef}
%{save-temps:-fpch-preprocess}
*cpp_debug_options:
%{d*}
*cpp_unique_options:
%{C|CC:%{!E:%eGCC does not support -C or -CC without -E}} %{!Q:-quiet}
%{nostdinc*} %{C} %{CC} %{v} %{I*&F*} %{P} %I %{MD:-MD
%{!o:%b.d}%{o*:%.d%*}}
%{MMD:-MMD %{!o:%b.d}%{o*:%.d%*}} %{M} %{MM} %{MF*} %{MG} %{MP} %{MQ*} %{MT*}
%{!E:%{!M:%{!MM:%{MD|MMD:%{o*:-MQ %*}}}}} %{remap} %{g3:-dD} %{H} %C
%{D*&U*&A*}
%{i*} %Z %i %{fmudflap:-D_MUDFLAP -include mf-runtime.h} %{fmudflapth:-D_MUDFLAP
-D_MUDFLAPTH -include mf-runtime.h} %{E|M|MM:%W{o*}}
*trad_capable_cpp:
cc1 -E %{traditional|ftraditional|traditional-cpp:-traditional-cpp}
*cc1:
%(cc1_cpu) %{profile:-p}
*cc1_options:
%{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}} %1
%{!Q:-quiet} -dumpbase %B %{d*} %{m*} %{a*} %{c|S:%{o*:-auxbase-strip
%*}%{!o*:-auxbase %b}}%{!c:%{!S:-auxbase %b}} %{g*} %{O*} %{W*&pedantic*}
%{w}
%{std*&ansi&trigraphs} %{v:-version} %{pg:-p} %{p} %{f*} %{undef}
%{Qn:-fno-ident} %{--help:--help} %{--target-help:--target-help}
%{!fsyntax-only:%{S:%W{o*}%{!o*:-o %b.s}}} %{fsyntax-only:-o %j} %{-param*}
%{fmudflap|fmudflapth:-fno-builtin -fno-merge-constants}
%{coverage:-fprofile-arcs -ftest-coverage}
*cc1plus:
*link_gcc_c_sequence:
%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}
*link_ssp:
%{fstack-protector|fstack-protector-all:-lssp_nonshared -lssp}
*endfile:
%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s}
%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s
*link:
%{!static:--eh-frame-hdr} -m %(link_emulation) %{shared:-shared} %{!shared:
%{!ibcs: %{!static: %{rdynamic:-export-dynamic}
%{!dynamic-linker:-dynamic-linker %(dynamic_linker)}} %{static:-static}}}
*lib:
%{pthread:-lpthread} %{shared:-lc} %{!shared:%{mieee-fp:-lieee}
%{profile:-lc_p}%{!profile:-lc}}
*mfwrap:
%{static: %{fmudflap|fmudflapth: --wrap=malloc --wrap=free --wrap=calloc
--wrap=realloc --wrap=mmap --wrap=munmap --wrap=alloca} %{fmudflapth:
--wrap=pthread_create}} %{fmudflap|fmudflapth: --wrap=main}
*mflib:
%{fmudflap|fmudflapth: -export-dynamic}
*link_gomp:
*libgcc:
%{static|static-libgcc:-lgcc
-lgcc_eh}%{!static:%{!static-libgcc:%{!shared-libgcc:-lgcc --as-needed -lgcc_s
--no-as-needed}%{shared-libgcc:-lgcc_s%{!shared: -lgcc}}}}
*startfile:
%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} crti.o%s
%{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}
*switches_need_spaces:
*cross_compile:
0
*version:
4.2.2
*multilib:
. ;
*multilib_defaults:
*multilib_extra:
*multilib_matches:
*multilib_exclusions:
*multilib_options:
*linker:
collect2
*link_libgcc:
%D
*md_exec_prefix:
*md_startfile_prefix:
*md_startfile_prefix_1:
*startfile_prefix_spec:
*sysroot_spec:
--sysroot=%R
*sysroot_suffix_spec:
*sysroot_hdrs_suffix_spec:
*cc1_cpu:
%{!mtune*: %{m386:mtune=i386 %n`-m386' is deprecated. Use `-march=i386'
or
`-mtune=i386' instead.
} %{m486:-mtune=i486 %n`-m486' is deprecated. Use `-march=i486' or
`-mtune=i486' instead.
} %{mpentium:-mtune=pentium %n`-mpentium' is deprecated. Use
`-march=pentium'
or `-mtune=pentium' instead.
} %{mpentiumpro:-mtune=pentiumpro %n`-mpentiumpro' is deprecated. Use
`-march=pentiumpro' or `-mtune=pentiumpro' instead.
} %{mcpu=*:-mtune=%* %n`-mcpu=' is deprecated. Use `-mtune=' or
'-march='
instead.
}} %<mcpu=* %{mintel-syntax:-masm=intel %n`-mintel-syntax' is
deprecated. Use
`-masm=intel' instead.
} %{mno-intel-syntax:-masm=att %n`-mno-intel-syntax' is deprecated. Use
`-masm=att' instead.
}%{march=native:%<march=native %:local_cpu_detect(arch)
%{!mtune=*:%<mtune=native %:local_cpu_detect(tune)}}
%{mtune=native:%<mtune=native %:local_cpu_detect(tune)}
*link_emulation:
elf_i386
*dynamic_linker:
%{muclibc:%{mglibc:%e-mglibc and -muclibc used
together}/lib/ld-uClibc.so.0;:/lib/ld-linux.so.2}
*link_command:
%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S: %(linker) %l %{pie:-pie} %X %{o*}
%{A} %{d} %{e*} %{m} %{N} %{n} %{r} %{s} %{t} %{u*} %{x} %{z} %{Z}
%{!A:%{!nostdlib:%{!nostartfiles:%S}}} %{static:} %{L*} %(mfwrap)
%(link_libgcc) %o %{fopenmp:%:include(libgomp.spec)%(link_gomp)} %(mflib)
%{fprofile-arcs|fprofile-generate|coverage:-lgcov}
%{!nostdlib:%{!nodefaultlibs:%(link_ssp) %(link_gcc_c_sequence)}}
%{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} }}}}}
--
yorick
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