on 10-13-2015 6:56 AM
Dear Experts,
Recently we have upgraded our oracle 10.2.0.4 to 11.2.0.4 and after that core dumps are getting generated in /oracle_home/dbs directory.
We could observe that in DBACOCKPIT SGA available memory is showing as zero. IS it the reason for core dumps?
Please suggest how can we analyse core dumps and resolve that.
Regards,
Karthik
The value 'available memory' displays information about the amount of SGA memory available for future dynamic SGA resize operations (read from gv$sga_dynamic_free_memory. Unlikely this has relation to generated core dumps. What OS you are using?
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We are getting this error in trace file...
Dump of memory from 0x1100047A4 to 0x1100047A8
1100047A0 10470170 [.G.p]
ub4 kgcepscinitdone_ [1100047A8, 1100047AC) = 00000000
ub4* kgcepgcryptenginemat_ [1100047B0, 1100047B8) = 00000000 00000000
ub4 kgcepgcryptengine_ [1100047B8, 1100047BC) = 00000000
ub4 kgcedbgmode_ [1100047BC, 1100047C0) = 00000000
ub4 kgftrclvl_ [1100047C0, 1100047C4) = 00000000
kgefa * kgfefac_ [1100047C8, 1100047D0) = 00000000 00000000
void * kgfspare_ [1100047D0, 1100047D8) = 00000000 00000000
ub4 kgfmInited_ [1100047D8, 1100047DC) = 00000000
struct kgfmctx * kgfmpgctx_ [1100047E0, 1100047E8) = 00000000 00000000
ssexhd: crashing the process...
Please check and suggest.
Hi Karthik,
Please attach the oracle alert log.
Btw from the mentioned location, the dump looks like oracle core dump.
Best regards,
James
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We are not seeing any error kind of entries in alert log file... only trace files the above error its showing...
Dump of memory from 0x1100047A4 to 0x1100047A8
1100047A0 10470170 [.G.p]
ub4 kgcepscinitdone_ [1100047A8, 1100047AC) = 00000000
ub4* kgcepgcryptenginemat_ [1100047B0, 1100047B8) = 00000000 00000000
ub4 kgcepgcryptengine_ [1100047B8, 1100047BC) = 00000000
ub4 kgcedbgmode_ [1100047BC, 1100047C0) = 00000000
ub4 kgftrclvl_ [1100047C0, 1100047C4) = 00000000
kgefa * kgfefac_ [1100047C8, 1100047D0) = 00000000 00000000
void * kgfspare_ [1100047D0, 1100047D8) = 00000000 00000000
ub4 kgfmInited_ [1100047D8, 1100047DC) = 00000000
struct kgfmctx * kgfmpgctx_ [1100047E0, 1100047E8) = 00000000 00000000
ssexhd: crashing the process...
can you please tell me what is the highlighted thing in that.... is it any memory block or what it is... why because in all core dumps its the one repeating
Do you see any errors in alert_SID.log file for duration when core dumps got generated ?
Regards,
Ashish
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