[gdal-dev] ODBC as OGR data source?

[Chaitanya kumar CH]

Use gdb instead of strace.

On Fri, Feb 5, 2010 at 7:58 AM, Chaitanya kumar CH
<chaitanya.ch at gmail.com>wrote:

> Gregor,
>
> I don't think you can allocate a contiguous 4GB memory no matter how much
> RAM you have.
> I don't have any experience in using ODBC in GDAL. Let's hope someone else
> with that experience sees this.
> Send all the lines from the strace output. Meanwhile, see if you can work
> on Windows. It may be an issue in unixODBC.
>
>
> On Fri, Feb 5, 2010 at 3:30 AM, Gregor at HostGIS <gregor at hostgis.com>wrote:
>
>> Well, some progress. Almost. :)
>> I have upgraded to 1.7.0 and now  get a different error:
>>
>>
>> $ ogrinfo ODBC:gregor/mosheh at testPgSQL table
>> ERROR 2: CPLMalloc(): Out of memory allocating 4294967297 bytes.
>>
>> Yowch, 4 GB seems a bit steep. The PostgreSQL table itself is 5 rows, all
>> points. Why would it want that much? I did try upping the RAM on the server,
>> but I still get "Segmentation fault" The last few lines of strace output
>> are:
>>
>> sendto(3, "Qselect ta.attname, ia.attnum fr"..., 275, MSG_NOSIGNAL, NULL,
>> 0) = 275
>> recvfrom(3, "Pblank\0T\0\2attname\0\0\0\0\23\0@\377\377\377\377attn"...,
>> 4096, 0, NULL, NULL) = 69
>> mmap(NULL, 4294971392, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
>> -1, 0) = 0x2ae075e57000
>> --- SIGSEGV (Segmentation fault) @ 0 (0) ---
>>
>> Any ideas?
>>
>>
>> --
>> HostGIS, Open Source solutions for the global GIS community
>> Greg Allensworth - SysAdmin, Programmer, GIS Person, Security
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>>
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>
>
>
> --
> Best regards,
> Chaitanya kumar CH.
> /tʃaɪθənjə/ /kʊmɑr/
> +91-9848167848
> 17.241582N 80.142635E
>



-- 
Best regards,
Chaitanya kumar CH.
/tʃaɪθənjə/ /kʊmɑr/
+91-9848167848
17.241582N 80.142635E
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