On Mon, 2 Mar 2026 16:16:38 +0100 Dragos Tatulea wrote:
> > + hp_file = "/proc/sys/vm/nr_hugepages"
> > + with open(hp_file, 'r+', encoding='utf-8') as f:
> > + nr_hugepages = int(f.read().strip())
> > + if nr_hugepages < 64:
> > + f.seek(0)
> > + f.write("64")
> > + defer(lambda: open(hp_file, 'w',
> > encoding='utf-8').write(str(nr_hugepages)))
> > +
> > single(cfg)
> > rx_cmd = f"{cfg.bin_local} -s -p {cfg.port} -i {cfg.ifname} -q
> > {cfg.target} -x 2"
> > tx_cmd = f"{cfg.bin_remote} -c -h {cfg.addr_v['6']} -p {cfg.port} -l
> > 12840"
> >
> > probe = cmd(rx_cmd + " -d", fail=False)
> > if probe.ret == SKIP_CODE:
> > - raise KsftSkipEx(probe.stdout)
> > + raise KsftSkipEx(probe.stdout.strip())
> >
> While working on a similar fix I found that the probe here also requires a
> barrier.
Hm, I'm not hitting this issue. Maybe because I'm testing in QEMU?
If you can still repro after this series could you send a follow up?
