I've experiencing problems with recent versions of arm-none-eabi-gdb
(8.0 and above) and openocd when connecting via pipe as suggested by the
OpenOCD manual:

(gdb) target remote | openocd -c "gdb_port pipe; log_output openocd.log"
-f openocd.cfg

And I get:

Remote replied unexpectedly to 'vMustReplyEmpty':

But if I try to connect through TCP everything works fine.

I'm debugging STM32Fx microcontrollers and connecting over pipe worked
great until 3 weeks ago. I've been searching for similar problems on
forums and mailling lists, but couldn't find relevant info.

Anyone experiencing this or have some idea what this gdb error means?

Augusto Fraga Giachero.

OpenOCD: 0.10.0
arm-none-eabi-gdb: 8.1
Platform: Linux 4.15.7 x86-64 (Arch Linux)

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