Re: NetBSD 9.2 Alpha: gdb failure

In article <[email protected]>,
Nelson H. F. Beebe <[email protected]> wrote:
>In attempting to debug the data conversion and floating-point issues
>that I reported on this list yesterday, I found that gdb is unusable,
>even for a trivial program that just prints a greeting:
>
>	% cat hello.c
>	#include <stdio.h>
>
>	int
>	main(void)
>	{
>	    printf("hello, world\n");
>	    return 0;
>	}
>
>	% cc -g -g3 hello.c
>
>	% gdb a.out
>	GNU gdb (GDB) 11.0.50.20200914-git
>	...
>	(gdb) b main
>	Breakpoint 1 at 0x1200008c8: file /u/sy/beebe/c/hello.c, line 6.
>	(gdb) run
>	Starting program: /local/build/cc/fx-0.0.40/a.out 
>	limit: stacksize: Can't set limit (Operation not permitted)
>	terminate called without an active exception
>	[ 176884.2498815] sorry, pid 12842 was killed: orphaned traced process
>	Abort (core dumped)
>
>My QEMU hardware configuration is:
>
>	% sysctl -a | grep ncpu
>	hw.ncpu = 2
>	hw.ncpuonline = 2
>
>	% sysctl -a | grep hw.phy
>	hw.physmem = -122880
>	hw.physmem64 = 4294844416
>
>That is, 2 CPUs and 4GB DRAM.
>
>	% limit stacksize
>	stacksize    28672 kbytes
>
>Even as root, I cannot increase the stacksize, and a hello-world
>program needs only a few bytes on the stack.
>
>On Debian 11 Linux with gdb 10.1.90, I can successfully single step
>programs, set breakpoints, and examine variables.
>
>Is gdb known to work on NetBSD 9.2 on a real physical Alpha system?

I my alpha is currently dead :-(

christos