Hi :) On Tue, Apr 3, 2012 at 17:37, Parmenides <mobile.parmenides@gmail.com> wrote:

source tree. I compiled the kernel with kgdb and run it in qemu with virtual serial port:

    qemu -kernel bzImage -initrd image.cpio.gz -append "kgdboc=ttyS0,115200 kgdbwait" -serial tcp::1234,server

In another console, the gdb was given command:

    (gdb) target remote local:1234     (gdb) continue

Then I pressed Ctrl+C to suspend the target, but got no reply. The gdb got stuck and lost control to the target. As such, there is no

IIRC, years ago I did the same thing like yours, using kgdb and qemu. What I forgot is how I hook into the remote kgdb stub. Here's my suggestion: try other option outside tcp, perhaps UNIX socket...or anything that's supported by gdb. And see if it makes any difference. -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com