[Bug cli/22435] New: During remote debugging, gdbserver is unable to connect to gdb client when the debug session is invoked for the second time

["eshaahuja1991 at gmail dot com" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=22435

            Bug ID: 22435
           Summary: During remote debugging, gdbserver is unable to
                    connect to gdb client when the debug session is
                    invoked for the second time
           Product: gdb
           Version: 7.12.1
            Status: UNCONFIRMED
          Severity: critical
          Priority: P2
         Component: cli
          Assignee: unassigned at sourceware dot org
          Reporter: eshaahuja1991 at gmail dot com
  Target Milestone: ---

C:\Users\abc>arm-linux-gnueabihf-gdb
GNU gdb (Linaro_GDB-2017.05) 7.12.1.20170417-git
Copyright (C) 2017 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "--host=i686-w64-mingw32
--target=arm-linux-gnueabihf".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word".
(gdb) target extended-remote 192.168.2.2:5000
Remote debugging using 192.168.2.2:5000
(gdb) set detach-on-fork off
(gdb) set follow-fork-mode child
(gdb) attach 12910
Attaching to process 12910
Reading /home/root/myApp from remote target...
warning: File transfers from remote targets can be slow. Use "set sysroot" to
access files locally instead.
Reading /home/root/myApp from remote target...
Reading symbols from target:/home/root/myApp...done.
Reading /lib/libdl.so.2 from remote target...
Reading /usr/lib/libffi.so.6 from remote target...
Reading /lib/libpthread.so.0 from remote target...
Reading /usr/lib/libstdc++.so.6 from remote target...
Reading /lib/libm.so.6 from remote target...
Reading /lib/libgcc_s.so.1 from remote target...
Reading /lib/libc.so.6 from remote target...
Reading /lib/ld-linux-armhf.so.3 from remote target...
Reading symbols from target:/lib/libdl.so.2...Reading /lib/libdl-2.22.so from
remote target...
Reading /lib/.debug/libdl-2.22.so from remote target...
(no debugging symbols found)...done.
Reading symbols from target:/usr/lib/libffi.so.6...Reading
/usr/lib/libffi.so.6.0.4 from remote target...
Reading /usr/lib/.debug/libffi.so.6.0.4 from remote target...
(no debugging symbols found)...done.
Reading symbols from target:/lib/libpthread.so.0...Reading
/lib/libpthread-2.22.so from remote target...
Reading /lib/.debug/libpthread-2.22.so from remote target...
(no debugging symbols found)...done.
Reading symbols from target:/usr/lib/libstdc++.so.6...Reading
/usr/lib/libstdc++.so.6.0.21 from remote target...
Reading /usr/lib/.debug/libstdc++.so.6.0.21 from remote target...
(no debugging symbols found)...done.
Reading symbols from target:/lib/libm.so.6...Reading /lib/libm-2.22.so from
remote target...
Reading /lib/.debug/libm-2.22.so from remote target...
(no debugging symbols found)...done.
Reading symbols from target:/lib/libgcc_s.so.1...Reading
/lib/.debug/libgcc_s.so.1 from remote target...
(no debugging symbols found)...done.
Reading symbols from target:/lib/libc.so.6...Reading /lib/libc-2.22.so from
remote target...
Reading /lib/.debug/libc-2.22.so from remote target...
(no debugging symbols found)...done.
Reading symbols from target:/lib/ld-linux-armhf.so.3...Reading /lib/ld-2.22.so
from remote target...
Reading /lib/.debug/ld-2.22.so from remote target...
(no debugging symbols found)...done.
Reading /lib/ld-linux-armhf.so.3 from remote target...
[New Thread 12910.12912]
[New Thread 12910.12913]
[New Thread 12910.12914]
[New Thread 12910.12915]
[New Thread 12910.12916]
[New Thread 12910.12917]
[New Thread 12910.12919]
[New Thread 12910.12920]
[New Thread 12910.12921]
[New Thread 12910.12922]
[New Thread 12910.12923]
[New Thread 12910.12924]
[New Thread 12910.12925]
[New Thread 12910.12926]
[New Thread 12910.12927]
[New Thread 12910.12928]
[New Thread 12910.13024]
[New Thread 12910.13025]
[New Thread 12910.13026]
[New Thread 12910.13027]
[New Thread 12910.13028]
[New Thread 12910.13029]
[New Thread 12910.13030]
[New Thread 12910.13031]
[New Thread 12910.13032]
[New Thread 12910.13033]
[New Thread 12910.13034]
[New Thread 12910.13041]
0x76885924 in nanosleep () from target:/lib/libc.so.6
(gdb) b printWithArgs1
Function "printWithArgs1" not defined.
Make breakpoint pending on future shared library load? (y or [n]) y
Breakpoint 1 (printWithArgs1) pending.
(gdb) c
Continuing.
Reading /home/root/libdebugTest.so from remote target...
[Switching to Thread 12910.13041]

Thread 29 "myApp" hit Breakpoint 1, printWithArgs1 (a=0x621011b0 " esha", b=12,
c=45.6699982) at ..\debugTest.c:9
9               printf("\n\n a: %s, b: %d, c: %f\n\n", a, b, c);
(gdb) c
Continuing.
warning: Temporarily disabling breakpoints for unloaded shared library
"target:/home/root/libdebugTest.so"
The target is not responding to interrupt requests.
Stop debugging it? (y or n) deQuit (expect signal SIGINT when the program is
resumed)
(gdb) detach
Cannot execute this command while the target is running.
Use the "interrupt" command to stop the target
and then try again.
(gdb) i inferiors
  Num  Description       Executable
* 1    process 12910     target:/home/root/myApp
(gdb) detach inferior 1
Cannot execute this command while the target is running.
Use the "interrupt" command to stop the target
and then try again.
(gdb) help detach inferior
Detach from inferior ID (or list of IDS).
(gdb) detach inferior 1
Cannot execute this command while the target is running.
Use the "interrupt" command to stop the target
and then try again.
(gdb) Quit (expect signal SIGINT when the program is resumed)
(gdb) detach inferior 1
Cannot execute this command while the target is running.
Use the "interrupt" command to stop the target
and then try again.
(gdb) detach
Cannot execute this command while the target is running.
Use the "interrupt" command to stop the target
and then try again.
(gdb) q
A debugging session is active.

        Inferior 1 [process 12910] will be detached.

Quit anyway? (y or n) y
Cannot execute this command while the target is running.
Use the "interrupt" command to stop the target
and then try again.


At gdbserver side (Remote target), this message is displayed:

root@user:~# gdbserver --multi :5000
Listening on port 5000
Remote debugging from host 192.168.2.23
Attached; pid = 12910
client connection closed

-- 
You are receiving this mail because:
You are on the CC list for the bug.