On 25.09.18 23:03, Heiner Kallweit wrote:
It seems that all chip versions from 34 (= RTL8168E-VL) with the
exception of version 39 (= RTL8106E, first sub-version) need
bit TXCFG_AUTO_FIFO.

And indeed, due to reordering of calls this bit is overwritten.
Following patch moves setting the bit from the chip-specific
hw_start function to rtl_set_tx_config_registers().

Whoever is hit by the issue and has the option to build a kernel,
could you please test whether the patch fixes the issue for you?

Hi,

Looks good so far! No problems for almost 24 hours. This is on a router/firewall that links various sites via IPSec and other VPNs and has >10 network interfaces, 5 of which are Realtek ones.

Thanks,

Ortwin

# uname -a
Linux lofw 4.18.10+ #72 SMP PREEMPT Wed Sep 26 17:07:07 CEST 2018 x86_64 Intel(R) Core(TM) i5-7500 CPU @ 3.40GHz GenuineIntel GNU/Linux
# uptime
 17:42:37 up 22:54,  1 user,  load average: 0.48, 0.38, 0.30
# ifconfig wan
wan: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 81.7.230.226  netmask 255.255.255.248  broadcast 81.7.230.231
        inet6 fe80::529a:4cff:fe2e:92be  prefixlen 64  scopeid 0x20<link>
        ether 50:9a:4c:2e:92:be  txqueuelen 100  (Ethernet)
        RX packets 56342905  bytes 40589502599 (37.8 GiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 54032328  bytes 44607761646 (41.5 GiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

# ifconfig lan
lan: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 10.11.1.1  netmask 255.255.255.0  broadcast 10.11.1.255
        inet6 fe80::20a:cdff:fe31:6022  prefixlen 64  scopeid 0x20<link>
        ether 00:0a:cd:31:60:22  txqueuelen 100  (Ethernet)
        RX packets 54799469  bytes 43111097607 (40.1 GiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 55158558  bytes 35746992802 (33.2 GiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

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