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升级至 lunar/23.04 后，华硕 PN50 Mini PC 的 WoL 停止运行

tag-icon • tag-icon networking 23.04
升级至 lunar/23.04 后，华硕 PN50 Mini PC 的 WoL 停止运行

最近，我将 ASUS PN50 Mini PC 从 kinetic/22.10 升级到 lunar/23.04，从那时起，局域网唤醒就停止工作了。升级前后，WoL 在 BIOS 中处于启用状态（现在仍然处于启用状态）。当 PN50 运行时，我还可以看到收到了 WoL 数据包：

# ngrep '\xff{6}(.{6})\1{15}' -x port 9
interface: enp2s0f0 (192.168.0.0/255.255.255.0)
filter: ( port 9 ) and ((ip || ip6) || (vlan && (ip || ip6)))
match (JIT): \xff{6}(.{6})\1{15}
#
U 192.168.0.37:54759 -> 255.255.255.255:9 #1
  ff ff ff ff ff ff f0 2f    74 c3 ee d5 f0 2f 74 c3    ......./t..../t.
  ee d5 f0 2f 74 c3 ee d5    f0 2f 74 c3 ee d5 f0 2f    .../t..../t..../
  74 c3 ee d5 f0 2f 74 c3    ee d5 f0 2f 74 c3 ee d5    t..../t..../t...
  f0 2f 74 c3 ee d5 f0 2f    74 c3 ee d5 f0 2f 74 c3    ./t..../t..../t.
  ee d5 f0 2f 74 c3 ee d5    f0 2f 74 c3 ee d5 f0 2f    .../t..../t..../
  74 c3 ee d5 f0 2f 74 c3    ee d5 f0 2f 74 c3 ee d5    t..../t..../t...
  f0 2f 74 c3 ee d5                                     ./t...

在升级之前和之后，wol-service 已经存在（现在仍然存在），可以通过 ethtool 在启动时启用 WoL：

[Unit]
Description=Configure Wake-up on LAN

[Service]
Type=oneshot
ExecStart=/sbin/ethtool -s enp2s0f0 wol g
RemainAfterExit=yes

[Install]
WantedBy=basic.target

服务状态似乎正常：

$ sudo service wol status
● wol.service - Configure Wake-up on LAN
     Loaded: loaded (/etc/systemd/system/wol.service; enabled; preset: enabled)
     Active: active (exited) since Sat 2023-06-03 07:05:03 CEST; 1min 16s ago
    Process: 932 ExecStart=/sbin/ethtool -s enp2s0f0 wol g (code=exited, status=0/SUCCESS)
   Main PID: 932 (code=exited, status=0/SUCCESS)
        CPU: 1ms

ethtool还确认 WoL 已启用：

# ethtool enp2s0f0
Settings for enp2s0f0:
    ...
    Supports Wake-on: pumbg
    Wake-on: g
    ...

其他系统设置似乎也证实了这一点：

# lspci -tv
-[0000:00]-+-00.0  Advanced Micro Devices, Inc. [AMD] Renoir/Cezanne Root Complex
           ...
           +-02.1-[02]--+-00.0  Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
           |            +-00.1  Realtek Semiconductor Co., Ltd. RTL8111xP UART #1
           |            +-00.2  Realtek Semiconductor Co., Ltd. RTL8111xP UART #2
           |            +-00.3  Realtek Semiconductor Co., Ltd. RTL8111xP IPMI interface
           |            \-00.4  Realtek Semiconductor Co., Ltd. RTL811x EHCI host controller
           ...
# cat /proc/acpi/wakeup 
Device  S-state   Status   Sysfs node
GPP0      S4    *disabled
GPP1      S4    *enabled   pci:0000:00:01.2
GPP2      S4    *disabled
GPP3      S4    *enabled   pci:0000:00:02.1 <-- should be the network dev according to lspci above
GPP4      S4    *enabled   pci:0000:00:02.2
GPP5      S4    *enabled   pci:0000:00:02.3
GP17      S4    *enabled   pci:0000:00:08.1
XHC0      S4    *enabled   pci:0000:05:00.3
XHC1      S4    *enabled   pci:0000:05:00.4
GP18      S4    *enabled   pci:0000:00:08.2
GP19      S4    *disabled
# cat /sys/bus/pci/devices/0000\:00\:02.1/power/wakeup
enabled

我在日志中没有发现任何可疑的东西，但实际上我也不知道到底要注意什么。

关于如何修复此问题（或者可能只是进一步调试此问题）有什么想法吗？

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