D52973.id163755.diff
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	diff --git a/sys/dev/nvme/nvme_private.h b/sys/dev/nvme/nvme_private.h
	--- a/sys/dev/nvme/nvme_private.h
	+++ b/sys/dev/nvme/nvme_private.h
	@@ -463,13 +463,13 @@
	nvme_completion_poll(struct nvme_completion_poll_status *status)
	{
	int timeout = ticks + 10 * hz;
	- sbintime_t delta_t = SBT_1US;
	+ sbintime_t delta = SBT_1US;

	while (!atomic_load_acq_int(&status->done)) {
	if (timeout - ticks < 0)
	panic("NVME polled command failed to complete within 10s.");
	- pause_sbt("nvme", delta_t, 0, C_PREL(1));
	- delta_t = min(SBT_1MS, delta_t * 3 / 2);
	+ pause_sbt("nvme", delta, 0, C_PREL(1));
	+ delta = min(SBT_1MS, delta + delta / 2);
	}
	}