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Category

Severity

Reproducibility

Date Submitted

Last Update

0005251

[gdb] regular use

major

always

2015-09-03 19:39

Reporter

brianvandenberg

View Status

public

Assigned To

Priority

normal

Resolution

open

Status

new

Summary

0005251: Symbol info not loaded when attaching to a running process

Description

I believe the following bug post describes the exact same issue:

https://sourceware.org/bugzilla/show_bug.cgi?id=17903 [^]

This works:

    ~ gdb my_executable --pid=1234
    /* ... */
    (gdb) where
    /* stack trace gets listed correctly */

This does not:

    ~ gdb
    (gdb) attach 1234
    /* ... */
    (gdb) where
    /* stack trace with lots of addresses and question marks */

Additional Information

Assuming this and the other bug I linked to refer to the same issue, their belief is the mechanism gdb is using to discover the executable based on the pid isn't compatible with Solaris.

This is causing difficulties in gui debuggers because they tend to just attach using a pid without giving the executable path.

There is a work around:

    ~ gdb
    (gdb) attach 1234
    /* ... */
    (gdb) file /path/to/file
    (gdb) sharedlibrary .

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