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--- howto:gdb [2019/03/13 09:28] – [See Also] A link to Debian gdb how-to article digital man
+++ howto:gdb [2021/04/02 18:17] – Add [Root Access] details digital man
@@ Line 62: / Line 62: @@
   # gdb /sbbs/exec/sbbs <pid>
-B. Run Synchronet (if no core file used):
+B. Run Synchronet non-daemonized (if no core file used):
   (gdb) run -nd
 C. After segfault or other crash (or when using a core), display back-trace:
   (gdb) bt
+or (if more details are needed):
+  (gdb) bt full
 D. If (and only if) the last line of the output looks like this:
@@ Line 74: / Line 76: @@
 E. Copy and paste in e-mail to rob[at]synchro[dot]net or post in one of the Synchronet [[support|discussion groups]].
+**TIP:**\\
+To run Synchronet (non-daemonized) directly from the GNU debugger without having to type "run" at a ''(gdb)'' prompt:
+  # gdb -ex run --args sbbs -nd
+==== Root Access ====
+If the ''sbbs'' process was started as root, you may need root privileges to attached with ''gdb'':
+  Attaching to process 21848
+  ptrace: Operation not permitted.
+  (gdb)
+If you get this error, try attaching again as root (e.g. run with ''sudo gdb'').
 ==== Handling SIGPIPE ====

Trace: