Hello All,
I facing some issue while trying to debug a core file using DBX.
The core was generated in the customers machine and never occurs in my setup.
I'm debugging this in my local machine in which DBX is installed. DBX throws
the below error while trying to read the core.
__________________________________________________________________________________________________________________________
bash-2.03# dbx myprog core_1
Reading myprog
core file header read successfully
Reading ld.so.1
dbx: core file read error: address 0xff3ee000 not available
Reading libsocket.so.1
Reading libnsl.so.1
Reading libdl.so.1
Reading libpegclient.so
Reading libpegcommon.so
Reading librt.so.1
Reading libpthread.so.1
Reading libm.so.1
Reading libw.so.1
Reading libdoor.so.1
Reading libthread.so.1
Reading libBrandChg.so
Reading libc.so.1
Reading libmp.so.2
Reading libaio.so.1
Reading libc_psr.so.1
Reading nss_files.so.1
WARNING!!
A loadobject was found with an unexpected checksum value.
See `help core mismatch' for details, and run `proc -map'
to see what checksum values were expected and found.
dbx: warning: Some symbolic information might be incorrect.
dbx: internal error: cannot derive Thread from [EMAIL PROTECTED] -- debugger
service failed
dbx: corefile corrupted or produced on a different version of Solaris. Ignoring
___________________________________________________________________________________________________________________________
I've ensured that the machine where the core is generated and the machine on
which I'm debugging are as similar as possible.
Also, elfdump and pstack indicate there is nothing wrong with the core and its
not corrupted. I guess this is got something to do with library mismatch.
# uname -a ->Customer's machine
SunOS u147 5.8 Generic_117350-47 sun4u sparc SUNW,Sun-Fire-480R
# uname -a ->My machine
SunOS sunrise 5.8 Generic_117350-47 sun4u sparc SUNW,Sun-Fire-480R
I've also imported the following libs from the customer's machine to my machine.
runtime linker:
/usr/lib/ld.so.1
/usr/lib/librtld_db.so.1
/usr/lib/sparcv9/ld.so.1
/usr/lib/sparcv9/librtld_db.so.1
Still I get the same error. Please let me know if you've faced something like
this.
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