On Thu, Aug 04, 2005 at 03:51:45PM +0200, Carsten Eggers wrote:
> Hi Markus,
>
> Somedays ago Brian Bruns wrote:
> >I'd be interested in fixing the CVS version. I don't have access to a
> >solaris box though. I could try it on AIX and perhaps find
> >something...do you have a sample database which demonstrates the
> >problem? The other possibility is that it is a 32bit/64bit issue.
> >I'm not sure it is 64bit clean, can you set the compiler flags to
> ^^^ ^^^^^^^^^^^
> >force 32bit mode? (not sure how to do it on sparc, sorry).
>
> This maybe also releated to you problem.
It looks like that. So I would appreciate to either know
how to compile on a 64bit platform in 32bit mode (maybe its
trivial, but I just don't know yet). Or I can offer some
time to debug the problem which depends on some indications
where to look for the problem (as I don't know the internals
of the mdb-tools).
Thanks
Markus
>
> -- Carsten
>
>
> ----------
> Dear list,
>
> sorry to ask again... do you have any suggestion to
> get mdb-export running on a 64bit box?
>
> Thanks
>
> Markus
>
>
> On Fri, Jul 15, 2005 at 05:04:23PM +0200, Markus Neteler wrote:
> > Hi,
> >
> > I have compiled the today's CVS version of the mdbtools
> > on a 64bit Linux machine. Unfortunately the following
> > command crashes:
> >
> > mdb-export -I StazioniAutomatiche.mdb Misure
> > Segmentation fault
> >
> > while it works well on a 32bit Linux machine. Both distros
> > are Redhat Enterprise 4 (RHEL4).
> >
> > A bit of debugging (I cannot sent the file since it is 1.4GB):
> >
> > strace mdb-export -I StazioniAutomatiche.mdb Misure
> > ...
> > read(3, "\1\1\326\16\0\0\0\0\0\0\0\0\4\0\273\17v\0171\17\354\16"..., 4096)
> = 4096
> > mmap(NULL, 200704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
> = 0x2a95699000
> > mmap(NULL, 200704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
> = 0x2a956ca000
> > mmap(NULL, 200704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
> = 0x2a956fb000
> > fstat(3, {st_mode=S_IFREG|0644, st_size=1479475200, ...}) = 0
> > lseek(3, 73728, SEEK_SET) = 73728
> > read(3, "\1\1V\6\20\0\0\0\0\0\0\0,\0\313\17\241\17e\0175\17\376"..., 4096)
> = 4096
> > --- SIGSEGV (Segmentation fault) @ 0 (0) ---
> > +++ killed by SIGSEGV +++
> >
> >
> > gdb `which mdb-export`
> > r -I StazioniAutomatiche.mdb Misure
> > Program received signal SIGSEGV, Segmentation fault.
> > 0x000000345dc227cc in __gconv_transform_ucs2_internal () from
> /lib64/tls/libc.so.6
> > bt
> > #0 0x000000345dc227cc in __gconv_transform_ucs2_internal () from
> /lib64/tls/libc.so.6
> > #1 0x000000345dc1d538 in __gconv () from /lib64/tls/libc.so.6
> > #2 0x000000345dc1cb9b in iconv () from /lib64/tls/libc.so.6
> > #3 0x0000002a955663dc in mdb_unicode2ascii (mdb=0x502600, src=0x503607
> "°", slen=0,
> > dest=0x5199d0 "Temperatura aria Istantanea 60 min", dlen=16384) at
> iconv.c:73
> > #4 0x0000002a9555ff47 in mdb_col_to_string (mdb=0x502600, buf=0x502614,
> start=4047, datatype=10,
> > size=36) at data.c:848
> > #5 0x0000002a9555e83b in mdb_xfer_bound_data (mdb=0x502600, start=4047,
> col=0x515690, len=36)
> > at data.c:222
> > #6 0x0000002a9555eadd in _mdb_attempt_bind (mdb=0x502600, col=0x515690,
> isnull=0 '\0',
> > offset=4047, len=36) at data.c:306
> > #7 0x0000002a9555ea2f in mdb_read_row (table=0x515210, row=0) at
> data.c:284
> > #8 0x0000002a9555ee6e in mdb_fetch_row (table=0x515210) at data.c:402
> > #9 0x000000000040121f in main (argc=4, argv=0x7fbffff808) at
> mdb-export.c:157
> >
> > (gdb) bt full
> > ...
> > is_fixed = 53 '5', colnum = 0, offset = 4196064}, {value = 0x515610,
> siz = 1569807600,
> > start = 52, is_null = 48 '0', is_fixed = 246 'ö', colnum = 127, offset
> = -1073744400}, {
> > value = 0x93635d7, siz = 4196064, start = 0, is_null = 0 '\0',
> is_fixed = 0 '\0', colnum = 0,
> > offset = 1568700462}, {value = 0x0, siz = 1, start = 0, is_null = 0
> '\0', is_fixed = 0 '\0',
> > colnum = 0, offset = -1789540033}, {value = 0x1000, siz = 73728, start
> = 0,
> > is_null = 2 '\002', is_fixed = 9 '\t', colnum = 0, offset = 13795360},
> {value = 0x1,
> > siz = 33188, start = 1338, is_null = 204 'Ì', is_fixed = 0 '\0',
> colnum = 0, offset = 0}, {
> > value = 0x582f0000, siz = 4096, start = 0, is_null = 144 '\220',
> is_fixed = 34 '"',
> > colnum = 0, offset = 1121438862}, {value = 0x325bbbe9, siz =
> 1111569942, start = 0,
> > is_null = 0 '\0', is_fixed = 0 '\0', colnum = 0, offset = 1121152771},
> {value = 0x0, siz = 0,
> > start = 0, is_null = 0 '\0', is_fixed = 0 '\0', colnum = 0, offset =
> 0}, {value = 0x1000,
> > siz = 18, start = 0, is_null = 20 '\024', is_fixed = 38 '&', colnum =
> 0, offset = 5252608}, {
> > value = 0x7fbffff630, siz = -1789540359, start = 42, is_null = 0 '\0',
> is_fixed = 16 '\020',
> > colnum = 0, offset = 4096}}
> > num_fields = 3
> > #8 0x0000002a9555ee6e in mdb_fetch_row (table=0x515210) at data.c:402
> > mdb = (MdbHandle *) 0x502600
> > fmt = (MdbFormatConstants *) 0x2a9566a780
> > rows = 44
> > rc = 5329424
> > pg = 0
> > #9 0x000000000040121f in main (argc=4, argv=0x7fbffff808) at
> mdb-export.c:157
> > j = 3
> > mdb = (MdbHandle *) 0x502600
> > table = (MdbTableDef *) 0x515210
> > col = (MdbColumn *) 0x0
> > bound_values = (char **) 0x517290
> > bound_lens = (int *) 0x5159b0
> > delimiter = 0x502010 ","
> > row_delimiter = 0x502030 "\n"
> > header_row = 0 '\0'
> > quote_text = 1 '\001'
> > insert_statements = 1 '\001'
> > sanitize = 0 '\0'
> > opt = -1
> >
> >
> > Using 'ddd' it dies in
> > mdb-export.c:157
> > while(mdb_fetch_row(table)) {
> >
> > Do you have any ideas? I'm not sure how to continue
> > debugging... The bug seems to be in
> > mdbtools/src/libmdb/data.c
> > Maybe related to guint32? (sorry, just guessing).
> >
> > Thanks anyway for maintaining the mdbtools!
> >
> > Markus
> >
> > --
> > Markus Neteler <neteler itc it> http://mpa.itc.it
> > ITC-irst - Centro per la Ricerca Scientifica e Tecnologica
> > MPBA - Predictive Models for Biol. & Environ. Data Analysis
> > Via Sommarive, 18 - 38050 Povo (Trento), Italy
>
>
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>
>
>
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