Messages in this thread | | | From | David Arendt <> | Subject | Re: kernel 4.18.5 Realtek 8111G network adapter stops responding under high system load | Date | Tue, 18 Sep 2018 10:23:49 +0000 |
| |
Hi,
Today I had the network adapter problems again. So the patch doesn't seem to change anything regarding this problem. This week my time is unfortunately very limited, but I will try to find some time next weekend to look a bit more into the issue.
Thanks in advance, David Arendt
Maciej S. Szmigiero – Sun, 16. September 2018 2:12 > [ I've added Realtek Linux NIC and netdev mailing lists to CC ] > > Hi David, > > On 15.09.2018 23:23, David Arendt wrote: > > Hi, > > > > just a follow up: > > > > In kernel 4.18.8 the behaviour is different. > > > > The network is not reachable a number of times, but restarting to be > > reachable by itself before it finally is no longer reachable at all. > > > > Here the logging output: > > > > Sep 15 17:44:43 server kernel: NETDEV WATCHDOG: enp3s0 (r8169): transmit > > queue 0 timed out > > Sep 15 17:44:43 server kernel: r8169 0000:03:00.0 enp3s0: link up > > Sep 15 18:10:26 server kernel: r8169 0000:03:00.0 enp3s0: link up > > Sep 15 18:12:24 server kernel: r8169 0000:03:00.0 enp3s0: link up > > Sep 15 18:13:19 server kernel: r8169 0000:03:00.0 enp3s0: link up > > Sep 15 18:14:48 server kernel: r8169 0000:03:00.0 enp3s0: link up > > Sep 15 18:20:24 server kernel: r8169 0000:03:00.0 enp3s0: link up > > Sep 15 18:34:19 server kernel: r8169 0000:03:00.0 enp3s0: link up > > Sep 15 18:43:43 server kernel: r8169 0000:03:00.0 enp3s0: link up > > Sep 15 18:46:26 server kernel: r8169 0000:03:00.0 enp3s0: link up > > Sep 15 19:00:24 server kernel: r8169 0000:03:00.0 enp3s0: link up > > > > From 17:44 ro 18:46 the network is recovering automatically. After the > > up from 19:00, the network is no longer reachable without any additional > > message. > > > > If looking at ifconfig, the counter for TX packets is incrementing, the > > counter for RX packets not. > > > > Here again the driver from 4.17.14 is working flawlessly. > > Could you please try this patch on top of 4.18.8: > git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/ > > In my case the problem fixed by the above commit was only limited to > bad TX performance but my r8169 NIC models were different from what > you have. > > If this does not help then try bisecting the issue > (maybe limited to drivers/net/ethernet/realtek/r8169.c to save time). > If the NIC dies after a heavy load it might be possible to generate > such load quickly by in-kernel pktgen. > > If that's not possible then at please least compare NIC register > values displayed by "ethtool -d enp3s0" between working and > non-working kernels. > > > Thanks in advance, > > David Arendt > > Maciej > > > > > > > On 9/4/18 8:19 AM, David Arendt wrote: > >> Hi, > >> > >> When using kernel 4.18.5 the Realtek 8111G network adapter stops > >> responding under high system load. > >> > >> Dmesg is showing no errors. > >> > >> Sometimes an ifconfig enp3s0 down followed by an ifconfig enp3s0 up is > >> enough for the network adapter to restart responding. Sometimes a reboot > >> is necessary. > >> > >> When copying r8169.c from 4.17.14 to the 4.18.5 kernel, networking works > >> perfectly stable on 4.18.5 so the problem seems r8169.c related. > >> > >> Here the output from lshw: > >> > >> *-pci:2 > >> description: PCI bridge > >> product: 8 Series/C220 Series Chipset Family PCI Express > >> Root Port #3 > >> vendor: Intel Corporation > >> physical id: 1c.2 > >> bus info: pci@0000:00:1c.2 > >> version: d5 > >> width: 32 bits > >> clock: 33MHz > >> capabilities: pci pciexpress msi pm normal_decode > >> bus_master cap_list > >> configuration: driver=pcieport > >> resources: irq:18 ioport:d000(size=4096) > >> memory:f7300000-f73fffff ioport:f2100000(size=1048576) > >> *-network > >> description: Ethernet interface > >> product: RTL8111/8168/8411 PCI Express Gigabit Ethernet > >> Controller > >> vendor: Realtek Semiconductor Co., Ltd. > >> physical id: 0 > >> bus info: pci@0000:03:00.0 > >> logical name: enp3s0 > >> version: 0c > >> serial: <hidden> > >> size: 1Gbit/s > >> capacity: 1Gbit/s > >> width: 64 bits > >> clock: 33MHz > >> capabilities: pm msi pciexpress msix vpd bus_master > >> cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt > >> 1000bt-fd autonegotiation > >> configuration: autonegotiation=on broadcast=yes > >> driver=r8169 driverversion=2.3LK-NAPI duplex=full > >> firmware=rtl8168g-2_0.0.1 02/06/13 latency=0 link=yes multicast=yes > >> port=MII speed=1Gbit/s > >> resources: irq:18 ioport:d000(size=256) > >> memory:f7300000-f7300fff memory:f2100000-f2103fff > >> > >> Thanks in advance for looking into this, > >> > >> David Arendt > >> > >> > >
| |