Re: segmentation fault when running /home/oracle/product/CRS/root.sh for CRS on Linux (RAC install with iSCSI and raw devices)

oracleracnoob wrote:
> Hello List Members -
>
> (Please tell me if I'm in the wrong list and let me know if there's a
> better list for this question).
>
> I am new at installing and configuring RAC but at least somewhat
> familiar with Linux. However, I am not a programmer of any kind. I
> have followed all Oracle's recommendation for Linux RAC nodes (Disk,
> RAM, CPU, etc). The OSes for the nodes (and the filer) are CentOS4.2
> with linux kernels 2.6.9-34.0.1.EL and 2.6.9-34.0.1.ELsmp (tried both
> the SMP kernel and non SMP) My machines have 2Gb of swap and 1Gb of RAM
> (odd, I know).
>
> The problem I am having is when installing RAC in a two node cluster
> with iscsi-target and cisco's initiatiors. I can read/write to the raw
> devices (as oracle user) /dev/raw/raw1 (OCR 150mb) and /dev/raw/raw2
> (Voting Disk 20Mb) via the "dd" command.
>
> When I run /home/oracle/product/CRS/root.sh which calls
> /home/oracle/product/CRS/install/rootinstall
> and
> /home/oracle/product/CRS/install/rootconfig I ultimately get a seg
> fault.
>
> After looking closer, the seg fault comes when the rootconfig script
> calls /home/oracle/product/CRS/bin/clscfg
>
> I'm at a loss on this one. There's no error other than "Segmentation
> fault" at STDERR
>
> Below are the last few lines (I can include a whole trace upon request)
> of an 'strace /home/oracle/product/CRS/bin/clscfg'
>
> #### STRACE SNIPPED #######
> pread64(4, "", 512, 157270016) = 0
> pread64(4, "ol\220W\235\272\266\243ZLK\316\220;\2067\213N\320\257J"...,
> 512, 157261824) = 512
> pread64(4,
> "\305\353\242=\10\255?\251\31n^\261V\204}8\210T\375\31\247"..., 512,
> 157265920) = 512
> pread64(4, "\31\215\367( \207*\215:\225\t
> \332\24\350\257\243\270\t"..., 512, 157267968) = 512
> pread64(4,
> ")\30(\273\244tL\275\357\303\210\304VU)\27J_\357\256.T\210"..., 512,
> 157268992) = 512
> pread64(4,
> "\271<\261\271U\340\272\265\360\222\2122\177\247\v\0\207"..., 512,
> 157269504) = 512
> pread64(4,
> "\271<\261\271U\340\272\265\360\222\2122\177\247\v\0\207"..., 512,
> 157269504) = 512
> pread64(4,
> "\271<\261\271U\340\272\265\360\222\2122\177\247\v\0\207"..., 512,
> 157269504) = 512
> pread64(4,
> "\271<\261\271U\340\272\265\360\222\2122\177\247\v\0\207"..., 512,
> 157269504) = 512
> pread64(4,
> "\271<\261\271U\340\272\265\360\222\2122\177\247\v\0\207"..., 512,
> 157269504) = 512
> pread64(4,
> "\271<\261\271U\340\272\265\360\222\2122\177\247\v\0\207"..., 512,
> 157269504) = 512
> pread64(4,
> "\271<\261\271U\340\272\265\360\222\2122\177\247\v\0\207"..., 512,
> 157269504) = 512
> pread64(4,
> "\271<\261\271U\340\272\265\360\222\2122\177\247\v\0\207"..., 512,
> 157269504) = 512
> pread64(4,
> "\271<\261\271U\340\272\265\360\222\2122\177\247\v\0\207"..., 512,
> 157269504) = 512
> pread64(4,
> "\271<\261\271U\340\272\265\360\222\2122\177\247\v\0\207"..., 512,
> 157269504) = 512
> open("/etc/oracle/ocr.loc", O_RDONLY) = 5
> fstat64(5, {st_mode=S_IFREG|0644, st_size=44, ...}) = 0
> mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
> 0) = 0xb6100000
> read(5, "ocrconfig_loc=/dev/raw/raw1\nloca"..., 4096) = 44
> read(5, "", 4096) = 0
> close(5) = 0
> munmap(0xb6100000, 4096) = 0
> pread64(4, "\1\202\363/\35\0\0\0\4\0\2\0OCR\0\214\364\310\32\0\0\0"...,
> 4096, 102400) = 4096
> pread64(4, "\1\202\363/\35\0\0\0\4\0\2\0OCR\0\214\364\310\32\0\0\0"...,
> 4096, 102400) = 4096
> pread64(4,
> "\1\202@/\36\0\0\0\4\0\2\0OCR\0\214\364\310\32\0\0\0\0\0"..., 4096,
> 106496) = 4096
> pread64(4, "\1\202\363/\35\0\0\0\4\0\2\0OCR\0\214\364\310\32\0\0\0"...,
> 4096, 102400) = 4096
> --- SIGSEGV (Segmentation fault) @ 0 (0) ---
> +++ killed by SIGSEGV +++
> Process 3715 detached
>
> #### END STRACE #######
>
> Any help is much appreciated!
>
> Thanks
>
> -Erik

Which vendor and release of Linux is this?

David Fitzjarrell Received on Tue Jun 13 2006 - 13:54:45 CDT