--- gdb-7.11/gdb/linux-thread-db.c.orig 2016-04-06 17:45:10.444062076 +0200 +++ gdb-7.11/gdb/linux-thread-db.c 2016-04-06 17:46:16.169615943 +0200 @@ -1025,7 +1025,16 @@ check_pid_namespace_match (void) warning (_ ("Target and debugger are in different PID " "namespaces; thread lists and other data are " "likely unreliable. " - "Connect to gdbserver inside the container.")); + "Connect to gdbserver inside the container.\n" +"This version of GDB needs local access to files from the container. It is easier to access the files from the container itself. This RHEL-7 version of GDB does not support such direct container files access.\n" +"The following versions of GDB support the direct access:\n" +"- Upstream version of GDB (unsupported) 7.10 or later\n" +"- Red Hat Developer Toolset (DTS) version of GDB from DTS 4.0 or later (available only for the x86_64 architecture)\n" +"The direct container file access needs to be supported also by gdbserver inside the container:\n" +"- Upstream version of gdbserver (unsupported) 7.10 or later\n" +"- Red Hat Developer Toolset (DTS) version of gdbserver from DTS 4.0 or later (only on x86_64)\n" +"- RHEL-7.3 version of gdbserver (on any architecture)" +)); } } } --- gdb-7.11/gdb/remote.c-orig 2016-04-06 17:46:52.428921496 +0200 +++ gdb-7.11/gdb/remote.c 2016-04-06 18:28:26.781923516 +0200 @@ -13002,7 +13002,17 @@ remote_pid_to_exec_file (struct target_o char *annex = NULL; if (packet_support (PACKET_qXfer_exec_file) != PACKET_ENABLE) - return NULL; + { + warning (_("Remote gdbserver does not support determining executable " + "automatically.\n" +"RHEL <=6.8 and <=7.2 versions of gdbserver do not support such automatic executable detection.\n" +"The following versions of gdbserver support it:\n" +"- Upstream version of gdbserver (unsupported) 7.10 or later\n" +"- Red Hat Developer Toolset (DTS) version of gdbserver from DTS 4.0 or later (only on x86_64)\n" +"- RHEL-6.9 and RHEL-7.3 versions of gdbserver (on any architecture)" +)); + return NULL; + } if (filename != NULL) xfree (filename);