On Thu, Dec 13, 2018 at 10:20 AM Chris Chiu <c...@endlessm.com> wrote: > > Hi, > We got an acer laptop which has a problem with ethernet networking after > resuming from S3. The ethernet is popular realtek r8168. The lspci shows as > follows. > 02:00.1 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. > RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 12) > > The problem is the ethernet is not accessible after resume. Pinging via > ethernet always shows the response `Destination Host Unreachable`. However, > the interesting part is, when I run tcpdump to monitor the problematic > ethernet > interface, the networking is back to alive. But it's dead again after > I stop tcpdump. > One more thing, if I ping the problematic machine from others, it achieves the > same effect as above tcpdump. Maybe it's about the register setting for RX > path? > > I tried the latest 4.20 rc version but the problem still there. I > also tried some > hw_reset or init thing in the resume path but no effect. Any > suggestion for this? > Thanks > > Chris
Gentle ping. Any additional information required? Chris