[Qemu-devel] [Bug 1603580] Re: [gdbstub] qemu is killed when using remote debugger with qemu -S -s

[Peter Maydell]

The sequence of gdb commands here is a bit odd since it's switching the
gdb session from targeting a remote gdb stub to targeting a local
executable. However, if you want to do this without killing QEMU you
can:

(gdb) target remote :1234
(gdb) detach
(gdb) target exec /bin/ls

The 'detach' tells gdb to disconnect from the remote gdbstub without
killing the QEMU session.


** Changed in: qemu
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1603580

Title:
  [gdbstub] qemu is killed when using remote debugger with qemu -S -s

Status in QEMU:
  Invalid

Bug description:
  Hello,

  REPRODUCE

  $ qemu-system-x86_64 -s -S -nographic
  <wait>
  QEMU: Terminated via GDBStub

  $ gdb
  (gdb) target remote :1234
  (gdb) load /bin/ls
  (gdb) target exec
  A program is being debugged already. Kill it? (y or no) y
  No executable file now.

  EXPECTED

  Enable program to be executed without terminating QEMU.

  DISCUSSION

  This was already discussed in [1], reverted in [2], however, no
  solution is provided.

  It worked perfectly in the past, I guess because of [1] and before
  [3].

  Opening bug for this as discussion in mailing list did not attract
  anyone and functionality is required. If there is other gdb sequence
  to achieve same result it would be great to get it documented.

  Thanks,

  [1] 
http://git.qemu.org/?p=qemu.git;a=commitdiff;h=00e94dbc7fd0110b0555d59592b004333adfb4b8
  [2] 
http://git.qemu.org/?p=qemu.git;a=commitdiff;h=ce0274f730eacbd24c706523ddbbabb6b95d0659
  [3] 
http://git.qemu.org/?p=qemu.git;a=commitdiff;h=7d03f82f81e0e6c106ca0d2445a0fc49dc9ddc7b

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