Nope, XZ compression is too slow with the size of kernel 6.0 and the watchdog timeout. Switch to gzip which is less good at compression but faster, and it boots before the watchdog barks.
```
Debian GNU/Linux 13 tsimx28 ttyAMA0
tsimx28 login: root
Linux tsimx28 6.0.0-vrt-ts7670+ #2 Mon Jun 1 22:17:57 AEST 2026 armv5tejl
The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.
Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
root@tsimx28:~# uname -a
Linux tsimx28 6.0.0-vrt-ts7670+ #2 Mon Jun 1 22:17:57 AEST 2026 armv5tejl GNU/Linux
```
