機械: Acer Chromebook 14 CB3-431
オンボード Intel Wireless 7265 (Dual Band Wireless-AC 7265) を無視する udev ルールを作成します。
起動時に modemmanager は起動プロセスを中断し、次のメッセージを表示します。
Couldn't check support for device '/sys/devices/pci0000:00/0000:00:1c.2/0000:02:00.0' not supported by any plugin
情報：
# udevadm info -a -p /sys/class/net/wlp2s0
looking at device '/devices/pci0000:00/0000:00:1c.2/0000:02:00.0/net/wlp2s0':
KERNEL=="wlp2s0"
SUBSYSTEM=="net"
DRIVER==""
ATTR{carrier_changes}=="4"
ATTR{carrier}=="1"
ATTR{dev_id}=="0x0"
ATTR{carrier_down_count}=="2"
ATTR{proto_down}=="0"
ATTR{address}=="7c:b0:c2:d5:88:dd"
ATTR{operstate}=="up"
ATTR{link_mode}=="1"
ATTR{dormant}=="0"
ATTR{mtu}=="1500"
ATTR{gro_flush_timeout}=="0"
ATTR{carrier_up_count}=="2"
ATTR{ifalias}==""
ATTR{netdev_group}=="0"
ATTR{ifindex}=="2"
ATTR{broadcast}=="ff:ff:ff:ff:ff:ff"
ATTR{type}=="1"
ATTR{dev_port}=="0"
ATTR{name_assign_type}=="4"
ATTR{addr_assign_type}=="3"
ATTR{addr_len}=="6"
ATTR{tx_queue_len}=="1000"
ATTR{iflink}=="2"
ATTR{flags}=="0x1003"
looking at parent device '/devices/pci0000:00/0000:00:1c.2/0000:02:00.0':
KERNELS=="0000:02:00.0"
SUBSYSTEMS=="pci"
DRIVERS=="iwlwifi"
ATTRS{broken_parity_status}=="0"
ATTRS{subsystem_device}=="0x5010"
ATTRS{dma_mask_bits}=="36"
ATTRS{vendor}=="0x8086"
ATTRS{local_cpus}=="f"
ATTRS{class}=="0x028000"
ATTRS{numa_node}=="-1"
ATTRS{max_link_width}=="1"
ATTRS{msi_bus}=="1"
ATTRS{device}=="0x095a"
ATTRS{current_link_width}=="1"
ATTRS{max_link_speed}=="2.5 GT/s"
ATTRS{local_cpulist}=="0-3"
ATTRS{driver_override}=="(null)"
ATTRS{d3cold_allowed}=="1"
ATTRS{irq}=="313"
ATTRS{revision}=="0x59"
ATTRS{current_link_speed}=="2.5 GT/s"
ATTRS{consistent_dma_mask_bits}=="36"
ATTRS{ari_enabled}=="0"
ATTRS{devspec}==""
ATTRS{enable}=="1"
ATTRS{subsystem_vendor}=="0x8086"
looking at parent device '/devices/pci0000:00/0000:00:1c.2':
KERNELS=="0000:00:1c.2"
SUBSYSTEMS=="pci"
DRIVERS=="pcieport"
ATTRS{secondary_bus_number}=="2"
ATTRS{subordinate_bus_number}=="2"
ATTRS{broken_parity_status}=="0"
ATTRS{subsystem_device}=="0x7270"
ATTRS{dma_mask_bits}=="32"
ATTRS{vendor}=="0x8086"
ATTRS{local_cpus}=="f"
ATTRS{class}=="0x060400"
ATTRS{numa_node}=="-1"
ATTRS{max_link_width}=="1"
ATTRS{msi_bus}=="1"
ATTRS{device}=="0x22cc"
ATTRS{current_link_width}=="1"
ATTRS{max_link_speed}=="2.5 GT/s"
ATTRS{local_cpulist}=="0-3"
ATTRS{driver_override}=="(null)"
ATTRS{d3cold_allowed}=="1"
ATTRS{irq}=="311"
ATTRS{revision}=="0x35"
ATTRS{current_link_speed}=="2.5 GT/s"
ATTRS{consistent_dma_mask_bits}=="32"
ATTRS{ari_enabled}=="0"
ATTRS{devspec}==""
ATTRS{enable}=="1"
ATTRS{subsystem_vendor}=="0x8086"
looking at parent device '/devices/pci0000:00':
KERNELS=="pci0000:00"
SUBSYSTEMS==""
DRIVERS==""
私は成功せずにudevの（いくつかの他の）ルールを書いてみました。
KERNELS=="0000:02:00.0", ENV{ID_MM_DEVICE_IGNORE}="1"
ルールを読みましたが、まだ起動が中断されているので、間違いなく間違っているようです。
udevadm test /sys/class/net/wlp2s0 /snip/ created db file
'/run/udev/data/n2' for
'/devices/pci0000:00/0000:00:1c.2/0000:02:00.0/net/wlp2s0' ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:1c.2/0000:02:00.0/net/wlp2s0
DEVTYPE=wlan ID_BUS=pci ID_MM_CANDIDATE=1 ID_MM_DEVICE_IGNORE=1
ID_MODEL_FROM_DATABASE=Wireless 7265 (Dual Band Wireless-AC 7265)
ID_MODEL_ID=0x095a ID_NET_NAME_PATH=wlp2s0
ID_PCI_CLASS_FROM_DATABASE=Network controller
ID_PCI_SUBCLASS_FROM_DATABASE=Network controller
ID_VENDOR_FROM_DATABASE=Intel Corporation ID_VENDOR_ID=0x8086
IFINDEX=2 INTERFACE=wlp2s0 SUBSYSTEM=net USEC_INITIALIZED=59063
ベストアンサー1
アレキサンダー自身がこの問題を解決しました。 :) メーリングリストの概要:
Aleksander:
That is just an informative message. MM is not touching that interface
for anything, it's just saying it cannot be used as part of a modem,
as there is no control port. No udev rule to ignore the device will be
hit, because MM is not even trying to use the device. That is
definitely nothing to worry about.
Is MM really hanging the boot process? What exactly are you seeing?
Any actual logs you can share?
しばらくMMが起動プロセスを中断したことがわかりました。 MMが削除されると、ブートブレークも削除されたためです。今MMは犯人ではないようです！ *
さて、ちょうど知りたいです。 MMは情報を提供する必要がありますか？
I think that message is not debug, and I agree that it may be a bit
confusing to see it :D I'll see what I can do to silence those.
--
Aleksander