From: Chunhao Lin <h...@realtek.com> Date: Wed, 24 Feb 2016 14:18:42 +0800
> There will be a log spam when there is no cable plugged. Please refer to > following links. https://bugzilla.kernel.org/show_bug.cgi?id=104351 > https://bugzilla.kernel.org/show_bug.cgi?id=107421 > > This issue is caused by runtime power management. When there is no cable > plugged, the driver will be suspend (runtime suspend) by OS and NIC will be > put into the D3 state. During this time, if OS call rtl8169_get_stats64() > to dump tally counter, because NIC is in D3 state, the register value read > by driver will return all 0xff. This will let driver think tally counter > flag is not toggled and then sends the warning message "rtl_counters_cond > == 1 (loop: 1000, delay: 10)" to kernel log. > > For fixing this issue, 1.add checking driver's pm runtime status in > rtl8169_get_stats64(). 2.dump tally counter before going runtime suspend > for counter accuracy in runtime suspend. > > Signed-off-by: Chunhao Lin <h...@realtek.com> Applied, thanks.
