Re: virtio hard disk on qemu

On Wed, Jan 25, 2023 at 8:26 PM Tyler Mitchell <[email protected]> wrote:
>
> On Wed, Jan 25, 2023 at 07:30:43PM +0100, Connor McLaughlan wrote:
> > I suppose you are not using NetBSD/sparc64 as the host for QEMU?
> >
> > Because no matter what i try i can get it compiled but none of the
> > binaries will run at all...like sitting there, doing nothing...
> >
> > As in:
> >
> > root@localhost:/# qemu-img -help
> > []
> >
> > [] = means the cursor goes to newline after the command is run and
> > nothing ever happens...all of qemu's binaries show that behavior on a
> > sparc64 host.
> >
> > Process info from top says the PID is in parked state.
>
> Yes, that is actually the "next stage" of what I am trying to do
> (macOS -> qemu NetBSD/sparc64 -> qemu DOS/i386).
>
> I have the exact same problem. After many days (almost weeks) of
> compiling qemu and all its dependencies, I launched qemu within
> NetBSD/sparc64 and it... just hung forever. All of them seem to do
> the same thing (qemu-system-*, doesn't seem to matter which).
>
>         aldea$ file /usr/pkg/bin/qemu-system-i386
>         /usr/pkg/bin/qemu-system-i386: ELF 64-bit MSB pie executable, SPARC V9, relaxed memory ordering, version 1 (SYSV), dynamically linked, interpreter /usr/libexec/ld.elf_so, for NetBSD 9.3, PaX: -mprotect, compiler model: medmid, not stripped
>         aldea$ qemu-system-i386 -help &
>         aldea$ echo $!
>         1343
>         aldea$ gdb
>         GNU gdb (GDB) 8.3
>         [...]
>         (gdb) attach 1343
>         Attaching to process 1343
>         Reading symbols from /usr/pkg/bin/qemu-system-i386...
>         (No debugging symbols found in /usr/pkg/bin/qemu-system-i386)
>         [...]
>         [Switching to LWP 1343 of process 1343]
>         0x0000000044609ba8 in ?? () from /usr/lib/libpthread.so.1
>         (gdb) bt
>         #0  0x0000000044609ba8 in ?? () from /usr/lib/libpthread.so.1
>         Backtrace stopped: previous frame identical to this frame (corrupt stack?)
>         (gdb)
>
> Sorry, I have no idea really what to do about it. :-(
>
> I might try putting CFLAGS="-g -Og" and rebuilding qemu, but I've
> already sunk a lot of time into this project and need to take a
> step back for a bit. Please let me know if you figure something
> out!
>
> Tyler

I did by error not send my reply to the port-sparc64 list. Doing so
now in research of a possible fix for the above (non)-behavior of qemu
on netbsd/sparc64.

Regards,
Connor