On Wed, Jul 31, 2019 at 11:42:26AM -0500, Don Lee wrote: > If you go back a few years, you can find a thread where I reported tstile > lockups on PPC. I don’t remember the details, but it was back in 6.1 as I > recall. This is not a new problem, and not limited to NFS. I still have a > similar problem with my 7.2 system, usually triggered when I do backups > (dump/restore). The dump operation locks up and cannot be killed. The system > continues, except any process that trips over the tstile also locks up. > Eventually, the system grinds to a complete halt. (can’t even log in) If I > catch it before that point, I can almost reboot, but I have to power cycle to > kill the tstile process(es), or the reboot also hangs.
It's worth reminding that -o tcp is an option.
