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-rw-r--r--share/man/man4/bwn.43
1 files changed, 3 insertions, 0 deletions
diff --git a/share/man/man4/bwn.4 b/share/man/man4/bwn.4
index 9094fa0..622e3f5 100644
--- a/share/man/man4/bwn.4
+++ b/share/man/man4/bwn.4
@@ -125,6 +125,9 @@ The
.Nm
driver first appeared in
.Fx 8.1 .
+.Sh CAVEATS
+Some LP PHY devices have DMA operation problems that in that case try to
+use PIO mode.
.Sh AUTHORS
.An -nosplit
The
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