Segfaults in weird places after aptitude update && aptitude upgrade on clean alternate gutsy install

Karl Larsen k5di at zianet.com
Sat Feb 23 01:32:58 UTC 2008


Brian McKee wrote:
> On Fri, 2008-02-22 at 22:59 +0100, Gerald Dachs wrote:
>   
>> Am Fri, 22 Feb 2008 16:42:48 -0500
>> schrieb "Brian McKee" <brian.mckee at gmail.com>:
>>
>>     
>>> On Fri, Feb 22, 2008 at 4:03 PM, Gerald Dachs <ubuntu at dachsweb.de>
>>> wrote:
>>>       
>>>> Am Thu, 21 Feb 2008 23:19:44 -0500
>>>>  schrieb Brian McKee <brian.mckee at gmail.com>:
>>>>
>>>>
>>>>  > 1 - how do I better identify the problem so I can file a useful
>>>>  > bug report
>>>>  >
>>>>  > 2 - how do I fix this so the system is usable
>>>>
>>>>  Only to just eliminate one possibility, boot with the
>>>>  install cd and make a memory test, please.
>>>>         
>>> Did that - ran thru a couple passes fine.  Ran a drive diagnostics
>>> program on the primary harddrive too - came up fine.
>>>
>>> I might take a run at doing exactly the same steps on different
>>> hardware just to see if that helps narrow anything down.
>>>       
>> Do you see something strange in the dmesg output to the time
>> of the segfault, like I/O Errors e.g.
>>     
>
>
> Aha.   I'm getting closer.
>
> Looking in /var/crash there was an entry for perl.   (The file itself
> _usr_bin_perl.0.crash doesn't mean anything to me...)
>
> So,  I tried just 'perl -V'  and guess what - it segfaults!
>
> That's probably why I"ve seen other seemingly unrelated programs
> segfault - lots of stuff uses perl.
>
> So - any suggestions how to fix perl?  dpkg uses it!
>
> Brian
>
>
>   
    I get this which is a lot for perl.


root at karl-desktop:~# perl -V
Summary of my perl5 (revision 5 version 8 subversion 8) configuration:
  Platform:
    osname=linux, osvers=2.6.15.7, archname=i486-linux-gnu-thread-multi
    uname='linux terranova 2.6.15.7 #1 smp thu jul 12 14:27:56 utc 2007 
i686 gnulinux '
    config_args='-Dusethreads -Duselargefiles -Dccflags=-DDEBIAN 
-Dcccdlflags=-fPIC -Darchname=i486-linux-gnu -Dprefix=/usr 
-Dprivlib=/usr/share/perl/5.8 -Darchlib=/usr/lib/perl/5.8 
-Dvendorprefix=/usr -Dvendorlib=/usr/share/perl5 
-Dvendorarch=/usr/lib/perl5 -Dsiteprefix=/usr/local 
-Dsitelib=/usr/local/share/perl/5.8.8 
-Dsitearch=/usr/local/lib/perl/5.8.8 -Dman1dir=/usr/share/man/man1 
-Dman3dir=/usr/share/man/man3 -Dsiteman1dir=/usr/local/man/man1 
-Dsiteman3dir=/usr/local/man/man3 -Dman1ext=1 -Dman3ext=3perl 
-Dpager=/usr/bin/sensible-pager -Uafs -Ud_csh -Uusesfio -Uusenm 
-Duseshrplib -Dlibperl=libperl.so.5.8.8 -Dd_dosuid -des'
    hint=recommended, useposix=true, d_sigaction=define
    usethreads=define use5005threads=undef useithreads=define 
usemultiplicity=define
    useperlio=define d_sfio=undef uselargefiles=define usesocks=undef
    use64bitint=undef use64bitall=undef uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='cc', ccflags ='-D_REENTRANT -D_GNU_SOURCE -DTHREADS_HAVE_PIDS 
-DDEBIAN -fno-strict-aliasing -pipe -I/usr/local/include 
-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
    optimize='-O2',
    cppflags='-D_REENTRANT -D_GNU_SOURCE -DTHREADS_HAVE_PIDS -DDEBIAN 
-fno-strict-aliasing -pipe -I/usr/local/include'
    ccversion='', gccversion='4.1.3 20070929 (prerelease) (Ubuntu 
4.1.2-16ubuntu2)', gccosandvers=''
    intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=1234
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=12
    ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='off_t', 
lseeksize=8
    alignbytes=4, prototype=define
  Linker and Libraries:
    ld='cc', ldflags =' -L/usr/local/lib'
    libpth=/usr/local/lib /lib /usr/lib
    libs=-lgdbm -lgdbm_compat -ldb -ldl -lm -lpthread -lc -lcrypt
    perllibs=-ldl -lm -lpthread -lc -lcrypt
    libc=/lib/libc-2.6.1.so, so=so, useshrplib=true, 
libperl=libperl.so.5.8.8
    gnulibc_version='2.6.1'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
    cccdlflags='-fPIC', lddlflags='-shared -L/usr/local/lib'


Characteristics of this binary (from libperl):
  Compile-time options: MULTIPLICITY PERL_IMPLICIT_CONTEXT
                        PERL_MALLOC_WRAP THREADS_HAVE_PIDS USE_ITHREADS
                        USE_LARGE_FILES USE_PERLIO USE_REENTRANT_API
  Built under linux
  Compiled at Dec  4 2007 08:56:39
  @INC:
    /etc/perl
    /usr/local/lib/perl/5.8.8
    /usr/local/share/perl/5.8.8
    /usr/lib/perl5
    /usr/share/perl5
    /usr/lib/perl/5.8
    /usr/share/perl/5.8
    /usr/local/lib/site_perl
    .
root at karl-desktop:~#

But no problems. I think you have a big problem.

Karl


-- 

	Karl F. Larsen, AKA K5DI
	Linux User
	#450462   http://counter.li.org.
   PGP 4208 4D6E 595F 22B9 FF1C  ECB6 4A3C 2C54 FE23 53A7





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