Pages : 1
#1 Le 31/03/2025, à 10:43
- Khanma
[RESOLU] Coupure wifi
Bonjour,
Hier, j'ai installé Kubuntu 24.04.2 sur mon Acer Aspire 5 A515-57 mais malheureusement, j'ai des soucis de Wifi. En effet, au démarrage il se connecte sans soucis puis au bout d'un certains temps (ça peut-être 1h, ou 2min), il se coupe et tous les réseaux (le mien et alentours) ne sont plus visibles.
Si je le redémarre, le problème persiste par contre, si je l'éteins et le démarre, le wifi fonctionne bien jusqu'à ce qu'il coupe à nouveau.
J'ai mis sur off le Power Management mais ça n'a pas résolu le problème.
Merci d'avance pour votre aide.
>> lsb_release -a
Distributor ID: Ubuntu
Description: Ubuntu 24.04.2 LTS
Release: 24.04
Codename: noble
>> lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 3554:fc05 CX 2.4G Receiver
Bus 001 Device 003: ID 04f2:b773 Chicony Electronics Co., Ltd ACER HD User Facing
Bus 001 Device 004: ID 04f3:0c4f Elan Microelectronics Corp. ELAN:Fingerprint
Bus 001 Device 005: ID 8087:0026 Intel Corp. AX201 Bluetooth
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
>> lspci -k -nn | grep -A 3 -i net
0000:00:14.3 Network controller [0280]: Intel Corporation Alder Lake-P PCH CNVi WiFi [8086:51f0] (rev 01)
Subsystem: Intel Corporation Dual Band Wi-Fi 6(802.11ax) AX201 160MHz 2x2 [Harrison Peak] [8086:0074]
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
--
0000:2a:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15)
Subsystem: Acer Incorporated [ALI] RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [1025:1616]
Kernel driver in use: r8169
Kernel modules: r8169
10000:e0:06.0 PCI bridge [0604]: Intel Corporation 12th Gen Core Processor PCI Express x4 Controller #0 [8086:464d] (rev 02)
>> sudo lshw -C network
*-network
description: Interface réseau sans fil
produit: Alder Lake-P PCH CNVi WiFi
fabricant: Intel Corporation
identifiant matériel: 14.3
information bus: pci@0000:00:14.3
nom logique: wlp0s20f3
version: 01
numéro de série: 44:a3:bb:7d:a1:8b
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress msix bus_master cap_list ethernet physical wireless
configuration : broadcast=yes driver=iwlwifi driverversion=6.11.0-21-generic firmware=89.202a2f7b.0 so-a0-hr-b0-89.uc ip=192.168.1.163 latency=0 link=yes multicast=yes wireless=IEEE 802.11
ressources : mémoireE/S:600-5ff irq:16 mémoire:601f274000-601f277fff
*-network
description: Ethernet interface
produit: RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet Controller
fabricant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:2a:00.0
nom logique: enp42s0
version: 15
numéro de série: 38:a7:46:14:e7:d1
capacité: 1Gbit/s
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration : autonegotiation=on broadcast=yes driver=r8169 driverversion=6.11.0-21-generic firmware=rtl8168h-2_0.0.2 02/26/15 latency=0 link=no multicast=yes port=twisted pair
ressources : irq:19 portE/S:3000(taille=256) mémoire:60204000-60204fff mémoire:60200000-60203fff
>> lsmod | sort
ac97_bus 12288 1 snd_soc_core
acer_wireless 16384 0
acer_wmi 36864 0
acpi_pad 184320 0
acpi_thermal_rel 20480 1 int3400_thermal
aesni_intel 122880 8
af_alg 32768 6 algif_hash,algif_skcipher
ahci 49152 0
algif_hash 16384 1
algif_skcipher 16384 1
autofs4 57344 2
binfmt_misc 24576 1
blake2b_generic 24576 0
bluetooth 1028096 44 btrtl,btmtk,btintel,btbcm,bnep,btusb,rfcomm
bnep 32768 2
btbcm 24576 1 btusb
btintel 69632 1 btusb
btmtk 36864 1 btusb
btrfs 2076672 0
btrtl 36864 1 btusb
btusb 69632 0
ccm 20480 6
cec 94208 3 drm_display_helper,xe,i915
cfg80211 1384448 3 iwlmvm,iwlwifi,mac80211
cmac 12288 3
cmdlinepart 16384 0
coretemp 24576 0
crc32_pclmul 12288 0
crct10dif_pclmul 12288 1
cryptd 24576 3 crypto_simd,ghash_clmulni_intel
crypto_simd 16384 1 aesni_intel
dmi_sysfs 24576 0
dm_log 20480 2 dm_region_hash,dm_mirror
dm_mirror 24576 0
dm_region_hash 24576 1 dm_mirror
drm_buddy 24576 2 xe,i915
drm_display_helper 278528 2 xe,i915
drm_exec 12288 2 drm_gpuvm,xe
drm_gpuvm 45056 1 xe
drm_suballoc_helper 20480 1 xe
drm_ttm_helper 16384 1 xe
ee1004 16384 0
efi_pstore 12288 0
ghash_clmulni_intel 16384 0
gpu_sched 61440 1 xe
hid 262144 4 i2c_hid,usbhid,hid_multitouch,hid_generic
hid_generic 12288 0
hid_multitouch 36864 0
i2c_algo_bit 16384 2 xe,i915
i2c_hid 40960 1 i2c_hid_acpi
i2c_hid_acpi 12288 0
i2c_i801 36864 0
i2c_mux 16384 1 i2c_i801
i2c_smbus 16384 1 i2c_i801
i915 4558848 51
idma64 20480 0
input_leds 12288 0
int3400_thermal 24576 0
int3403_thermal 16384 0
int340x_thermal_zone 16384 2 int3403_thermal,processor_thermal_device
intel_cstate 24576 0
intel_hid 28672 0
intel_lpss 12288 1 intel_lpss_pci
intel_lpss_pci 28672 0
intel_pmc_core 118784 0
intel_powerclamp 24576 0
intel_rapl_common 53248 2 intel_rapl_msr,processor_thermal_rapl
intel_rapl_msr 20480 0
intel_tcc_cooling 12288 0
intel_uncore_frequency 12288 0
intel_uncore_frequency_common 16384 1 intel_uncore_frequency
intel_vsec 20480 1 intel_pmc_core
ip_tables 32768 0
iwlmvm 913408 0
iwlwifi 638976 1 iwlmvm
joydev 32768 0
kvm 1421312 1 kvm_intel
kvm_intel 487424 0
libahci 53248 1 ahci
libarc4 12288 1 mac80211
libcrc32c 12288 1 btrfs
lp 28672 0
mac80211 1777664 1 iwlmvm
mac_hid 12288 0
mc 81920 6 v4l2_async,videodev,videobuf2_v4l2,ov13858,uvcvideo,videobuf2_common
mei 172032 5 mei_hdcp,mei_pxp,mei_me
mei_hdcp 28672 0
mei_me 53248 2
mei_pxp 16384 0
Module Size Used by
msr 12288 0
mtd 98304 3 spi_nor,cmdlinepart
nfnetlink 20480 1
nls_iso8859_1 12288 1
nvme 61440 2
nvme_auth 28672 1 nvme_core
nvme_core 221184 3 nvme
ov13858 24576 0
parport 73728 3 parport_pc,lp,ppdev
parport_pc 53248 0
pinctrl_tigerlake 28672 1
platform_profile 12288 1 acer_wmi
pmt_class 16384 1 pmt_telemetry
pmt_telemetry 16384 1 intel_pmc_core
polyval_clmulni 12288 0
polyval_generic 12288 1 polyval_clmulni
ppdev 24576 0
processor_thermal_device 20480 1 processor_thermal_device_pci
processor_thermal_device_pci 16384 0
processor_thermal_mbox 12288 4 processor_thermal_power_floor,processor_thermal_wt_req,processor_thermal_rfim,processor_thermal_wt_hint
processor_thermal_power_floor 12288 2 processor_thermal_device_pci,processor_thermal_device
processor_thermal_rapl 16384 1 processor_thermal_device
processor_thermal_rfim 36864 1 processor_thermal_device
processor_thermal_wt_hint 16384 2 processor_thermal_device_pci,processor_thermal_device
processor_thermal_wt_req 12288 1 processor_thermal_device
qrtr 53248 2
r8169 118784 0
raid6_pq 126976 1 btrfs
rapl 20480 0
rc_core 73728 1 cec
realtek 45056 1
rfcomm 102400 16
sch_fq_codel 24576 2
serio_raw 20480 0
sha1_ssse3 32768 0
sha256_ssse3 32768 0
snd 143360 26 snd_ctl_led,snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_sof,snd_timer,snd_soc_hdac_hdmi,snd_compress,snd_soc_core,snd_pcm,snd_rawmidi
snd_compress 28672 3 snd_soc_avs,snd_soc_core,snd_sof_probes
snd_ctl_led 24576 0
snd_hda_codec 204800 10 snd_hda_codec_generic,snd_soc_avs,snd_hda_codec_hdmi,snd_soc_hda_codec,snd_hda_intel,snd_hda_codec_realtek,snd_soc_intel_hda_dsp_common,snd_soc_hdac_hda,snd_sof_intel_hda,snd_soc_skl_hda_dsp
snd_hda_codec_generic 122880 1 snd_hda_codec_realtek
snd_hda_codec_hdmi 98304 1
snd_hda_codec_realtek 208896 1
snd_hda_core 143360 13 snd_hda_codec_generic,snd_soc_avs,snd_hda_codec_hdmi,snd_soc_hda_codec,snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_hda_codec_realtek,snd_soc_intel_hda_dsp_common,snd_sof_intel_hda_common,snd_soc_hdac_hdmi,snd_soc_hdac_hda,snd_sof_intel_hda
snd_hda_ext_core 32768 7 snd_soc_avs,snd_soc_hda_codec,snd_sof_intel_hda_common,snd_soc_hdac_hdmi,snd_soc_hdac_hda,snd_sof_intel_hda_mlink,snd_sof_intel_hda
snd_hda_intel 61440 0
snd_hda_scodec_component 20480 1 snd_hda_codec_realtek
snd_hrtimer 12288 1
snd_hwdep 20480 1 snd_hda_codec
snd_intel_dspcfg 45056 5 snd_soc_avs,snd_hda_intel,snd_sof,snd_sof_intel_hda_common,snd_sof_intel_hda_generic
snd_intel_sdw_acpi 16384 2 snd_intel_dspcfg,snd_sof_intel_hda_generic
snd_pcm 196608 13 snd_soc_avs,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,soundwire_intel,snd_sof,snd_sof_intel_hda_common,snd_soc_hdac_hdmi,snd_compress,snd_soc_core,snd_sof_utils,snd_hda_core,snd_pcm_dmaengine
snd_pcm_dmaengine 16384 1 snd_soc_core
snd_rawmidi 57344 1 snd_seq_midi
snd_seq 122880 9 snd_seq_midi,snd_seq_midi_event,snd_seq_dummy
snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi
snd_seq_dummy 12288 0
snd_seq_midi 24576 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_soc_acpi 16384 2 snd_soc_acpi_intel_match,snd_sof_intel_hda_generic
snd_soc_acpi_intel_match 114688 3 snd_sof_intel_hda_generic,snd_sof_pci_intel_tgl,snd_sof_pci_intel_cnl
snd_soc_avs 200704 0
snd_soc_core 438272 10 snd_soc_avs,snd_soc_hda_codec,soundwire_intel,snd_sof,snd_sof_intel_hda_common,snd_soc_hdac_hdmi,snd_soc_hdac_hda,snd_sof_probes,snd_soc_dmic,snd_soc_skl_hda_dsp
snd_soc_dmic 12288 1
snd_soc_hdac_hda 24576 1 snd_sof_intel_hda_common
snd_soc_hdac_hdmi 45056 1 snd_soc_skl_hda_dsp
snd_soc_hda_codec 24576 1 snd_soc_avs
snd_soc_intel_hda_dsp_common 16384 1 snd_soc_skl_hda_dsp
snd_soc_skl_hda_dsp 24576 4
snd_sof 385024 6 snd_sof_pci,snd_sof_intel_hda_common,snd_sof_intel_hda_generic,snd_sof_probes,snd_sof_intel_hda,snd_sof_pci_intel_cnl
snd_sof_intel_hda 24576 2 snd_sof_intel_hda_common,snd_sof_intel_hda_generic
snd_sof_intel_hda_common 184320 3 snd_sof_intel_hda_generic,snd_sof_pci_intel_tgl,snd_sof_pci_intel_cnl
snd_sof_intel_hda_generic 36864 2 snd_sof_pci_intel_tgl,snd_sof_pci_intel_cnl
snd_sof_intel_hda_mlink 45056 3 soundwire_intel,snd_sof_intel_hda_common,snd_sof_intel_hda_generic
snd_sof_pci 24576 3 snd_sof_intel_hda_generic,snd_sof_pci_intel_tgl,snd_sof_pci_intel_cnl
snd_sof_pci_intel_cnl 20480 1 snd_sof_pci_intel_tgl
snd_sof_pci_intel_tgl 12288 0
snd_sof_probes 20480 0
snd_sof_utils 16384 1 snd_sof
snd_sof_xtensa_dsp 12288 1 snd_sof_intel_hda_generic
snd_timer 49152 3 snd_seq,snd_hrtimer,snd_pcm
soundcore 16384 2 snd_ctl_led,snd
soundwire_bus 122880 3 soundwire_intel,soundwire_generic_allocation,soundwire_cadence
soundwire_cadence 45056 1 soundwire_intel
soundwire_generic_allocation 12288 1 soundwire_intel
soundwire_intel 77824 1 snd_sof_intel_hda_generic
sparse_keymap 12288 2 intel_hid,acer_wmi
spi_intel 32768 1 spi_intel_pci
spi_intel_pci 12288 0
spi_nor 163840 0
thunderbolt 536576 0
ttm 110592 3 drm_ttm_helper,xe,i915
typec 110592 1 typec_ucsi
typec_ucsi 65536 1 ucsi_acpi
ucsi_acpi 12288 0
usbhid 77824 0
uvc 12288 1 uvcvideo
uvcvideo 143360 0
v4l2_async 28672 2 v4l2_fwnode,ov13858
v4l2_fwnode 36864 1 ov13858
video 77824 3 acer_wmi,xe,i915
videobuf2_common 86016 4 videobuf2_vmalloc,videobuf2_v4l2,uvcvideo,videobuf2_memops
videobuf2_memops 16384 1 videobuf2_vmalloc
videobuf2_v4l2 36864 1 uvcvideo
videobuf2_vmalloc 20480 1 uvcvideo
videodev 360448 5 v4l2_async,v4l2_fwnode,videobuf2_v4l2,ov13858,uvcvideo
vmd 24576 0
wmi 28672 3 video,acer_wmi,wmi_bmof
wmi_bmof 12288 0
x86_pkg_temp_thermal 20480 0
xe 3149824 0
xhci_pci 24576 0
xhci_pci_renesas 20480 1 xhci_pci
xor 20480 1 btrfs
x_tables 65536 1 ip_tables
>> bootctl>> iwconfig
wlp0s20f3 IEEE 802.11 ESSID:"Freebox-C88732"
Mode:Managed Frequency:5.64 GHz Access Point: 3A:07:16:4C:E1:18
Bit Rate=1.4413 Gb/s Tx-Power=22 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=54/70 Signal level=-56 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:163 Missed beacon:0
>> ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host noprefixroute
valid_lft forever preferred_lft forever
2: enp42s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000
link/ether 38:a7:46:14:e7:d1 brd ff:ff:ff:ff:ff:ff
3: wlp0s20f3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether 44:a3:bb:7d:a1:8b brd ff:ff:ff:ff:ff:ff
inet 192.168.1.163/24 brd 192.168.1.255 scope global dynamic noprefixroute wlp0s20f3
valid_lft 43081sec preferred_lft 43081sec
inet6 2a01:e0a:f0:6af0:f04c:f348:f2a4:9251/64 scope global temporary dynamic
valid_lft 86284sec preferred_lft 85892sec
inet6 2a01:e0a:f0:6af0:fe46:cce9:93d6:51ea/64 scope global dynamic mngtmpaddr noprefixroute
valid_lft 86284sec preferred_lft 86284sec
inet6 fe80::736e:3e54:78b2:eca8/64 scope link noprefixroute
valid_lft forever preferred_lft forever
>> sudo iwlist scan
wlp0s20f3 Scan completed :
Cell 01 - Address: 9C:53:22:E4:B4:47
Channel:2
Frequency:2.417 GHz (Channel 2)
Quality=49/70 Signal level=-61 dBm
Encryption key:on
ESSID:"Freebox Psn \xC3\x89tage "
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
18 Mb/s; 36 Mb/s; 54 Mb/s
Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s
Mode:Master
Extra:tsf=000005952891d298
Extra: Last beacon: 1438ms ago
IE: Unknown: 001346726565626F782050736E20C3897461676520
IE: Unknown: 010882848B961224486C
IE: Unknown: 030102
IE: Unknown: 2A0104
IE: Unknown: 32040C183060
IE: Unknown: 2D1A6C1017FFFF000001000000000000000000000000000000000000
IE: Unknown: 3D1602000600000000000000000000000000000000000000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: 7F080100000000000000
IE: Unknown: 0B05040000127A
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: 4A0E14000A002C01C800140005001900
IE: Unknown: 7F080100000000000000
IE: Unknown: DD800050F204104A0001101044000101103B00010310470010000000000000100000009C5322E4B4471021000754502D4C696E6B1023000A544C2D5741383530524510240001371042000831323334353637381054000800060050F20400011011000A544C2D57413835305245100800022288103C0001011049000600372A000120
IE: Unknown: DD07000C4303000000
Cell 02 - Address: 42:F8:DF:80:F2:9D
Channel:6
Frequency:2.437 GHz (Channel 6)
Quality=48/70 Signal level=-62 dBm
Encryption key:on
ESSID:"DIRECT-F49D-TR4600series"
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=000000e329bcaae3
Extra: Last beacon: 1336ms ago
IE: Unknown: 00184449524543542D463439442D545234363030736572696573
IE: Unknown: 01088C129824B048606C
IE: Unknown: 030106
IE: Unknown: 2A0100
IE: Unknown: 2D1A2C0103FF00000000000000000000000000000000000000000000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: 3D1606000100000000000000000000000000000000000000
IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
IE: Unknown: DDA40050F204104A0001101044000102103B000103104700100000000000001000800042F8DF80F29D1021000A43414E4F4E20494E432E1023000D545234363030207365726965731024000D545234363030207365726965731042000C3432463844463830463239441054000800030050F2040005101100184449524543542D463439442D545234363030736572696573100800020000103C0001011049000600372A000120
Cell 03 - Address: 3A:07:16:4C:E1:10
Channel:6
Frequency:2.437 GHz (Channel 6)
Quality=55/70 Signal level=-55 dBm
Encryption key:on
ESSID:"Freebox-C88732"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s
Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=000000e329b0757e
Extra: Last beacon: 1314ms ago
IE: Unknown: 000E46726565626F782D433838373332
IE: Unknown: 010882848B960C121824
IE: Unknown: 030106
IE: Unknown: 2A0104
IE: Unknown: 32043048606C
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: 0B050100170000
IE: Unknown: 46057200000000
IE: Unknown: 3B025100
IE: Unknown: 2D1AEC0003FFFF000000000000000000000100000000000000000000
IE: Unknown: 3D1606000000000000000000000000000000000000000000
IE: Unknown: 7F0A04000882000000400040
IE: Unknown: 6B0700380716C88732
IE: Unknown: 6C027F00
IE: Unknown: C911000D8955FF3A07164CE11C02F99794427F
IE: Unknown: FF1D230D00089A4010026040880FC19F1C110E00FAFFFAFF791CC7711CC771
IE: Unknown: FF0724F03F002EFCFF
IE: Unknown: FF0F6CB700E00103E01875001E00222222
IE: Unknown: FF066A4022222222
IE: Unknown: DD180050F2020101010003A4000027A4000042435E0062322F00
IE: Unknown: DD0C0007CB010901000000000000
Cell 04 - Address: CC:32:E5:3D:8A:C9
Channel:6
Frequency:2.437 GHz (Channel 6)
Quality=25/70 Signal level=-85 dBm
Encryption key:on
ESSID:"Livebox-BAB1_EXT"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
18 Mb/s; 36 Mb/s; 54 Mb/s
Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s
Mode:Master
Extra:tsf=00000ac8b9211072
Extra: Last beacon: 1325ms ago
IE: Unknown: 00104C697665626F782D424142315F455854
IE: Unknown: 010882848B961224486C
IE: Unknown: 030106
IE: Unknown: 2A0104
IE: Unknown: 32040C183060
IE: Unknown: 2D1AAC0117FFFF000000000000000000000000000000000000000000
IE: Unknown: 3D1606000000000000000000000000000000000000000000
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK
IE: Unknown: 7F080000000000000000
IE: Unknown: 0B0500001D127A
IE: Unknown: DD180050F2020101880003A4000027A4000042435E0062322F00
IE: Unknown: DD07000C4303000000
Cell 05 - Address: 14:0C:76:B3:BB:06
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=46/70 Signal level=-64 dBm
Encryption key:on
ESSID:"freebox_REVOLUTION"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s
Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=00000455a4a8c3fa
Extra: Last beacon: 1170ms ago
IE: Unknown: 001266726565626F785F5245564F4C5554494F4E
IE: Unknown: 010882848B960C121824
IE: Unknown: 03010B
IE: Unknown: 2A0104
IE: Unknown: 32043048606C
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: 0B050500000000
IE: Unknown: 46057200000000
IE: Unknown: 2D1AEC0003FFFFFF0001000000000000000100000000000000000000
IE: Unknown: 3D160B000400000000000000000000000000000000000000
IE: Unknown: 7F080000088200000040
IE: Unknown: 6B0700140C76B3BB05
IE: Unknown: 6C027F00
IE: Unknown: DD180050F2020101010003A4000027A4000042435E0062322F00
IE: Unknown: DD0C0007CB010201000000000000
Cell 06 - Address: 14:0C:76:B3:BB:07
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=45/70 Signal level=-65 dBm
Encryption key:on
ESSID:"FreeWifi_secure"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s
Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=00000455a4a8cd71
Extra: Last beacon: 1167ms ago
IE: Unknown: 000F46726565576966695F736563757265
IE: Unknown: 010882848B960C121824
IE: Unknown: 03010B
IE: Unknown: 2A0104
IE: Unknown: 32043048606C
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : 802.1x
IE: Unknown: 0B050000000000
IE: Unknown: 46057200000000
IE: Unknown: 2D1AEC0003FFFFFF0001000000000000000100000000000000000000
IE: Unknown: 3D160B000400000000000000000000000000000000000000
IE: Unknown: 7F080000080200000040
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: DD0C0007CB010203000000000000
Cell 07 - Address: 3A:07:16:4C:E1:18
Channel:128
Frequency:5.64 GHz (Channel 128)
Quality=56/70 Signal level=-54 dBm
Encryption key:on
ESSID:"Freebox-C88732"
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=000000e329a76ba7
Extra: Last beacon: 1089ms ago
IE: Unknown: 000E46726565626F782D433838373332
IE: Unknown: 01088C129824B048606C
IE: Unknown: 0706465220640B1E
IE: Unknown: 200100
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: 0B0504007A0000
IE: Unknown: 46057200000000
IE: Unknown: 3B028100
IE: Unknown: 2D1AEF0003FFFF000000000000000000000100000000000000000000
IE: Unknown: 3D1680070400000000000000000000000000000000000000
IE: Unknown: 7F0A04000882000000400040
IE: Unknown: 6B0700380716C88732
IE: Unknown: 6C027F00
IE: Unknown: BF0CF6198933FAFF0000FAFF0020
IE: Unknown: C005017A72FCFF
IE: Unknown: C305033C3C3C3C
IE: Unknown: C911000D8955FF3A07164CE11C02F99794427F
IE: Unknown: FF21230D00089A40180C634088FFD99F1C110E00FAFFFAFFFAFFFAFF791CC7711CC771
IE: Unknown: FF0724F03F0022FCFF
IE: Unknown: FF126C3700E0FFDBE01875807E00222222222222
IE: Unknown: FF066A4022222222
IE: Unknown: DD180050F2020101010003A4000027A4000042435E0062322F00
IE: Unknown: DD0C0007CB010901000000000000
Cell 08 - Address: 14:0C:76:35:0B:F4
Channel:104
Frequency:5.52 GHz (Channel 104)
Quality=32/70 Signal level=-78 dBm
Encryption key:on
ESSID:"freebox_REVOLUTION5G_5GHz"
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=000004559e4b69d2
Extra: Last beacon: 1075ms ago
IE: Unknown: 001966726565626F785F5245564F4C5554494F4E35475F3547487A
IE: Unknown: 01088C129824B048606C
IE: Unknown: 070A465220240817640B1E00
IE: Unknown: 200100
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: 0B050200130000
IE: Unknown: 46057200000000
IE: Unknown: 3B028000
IE: Unknown: 2D1AEF001BFFFFFF0000000000000000000100000000000000000000
IE: Unknown: 3D1668070400000000000000000000000000000000000000
IE: Unknown: 7F080400088200000040
IE: Unknown: 6B0700140C76B3BB05
IE: Unknown: 6C027F00
IE: Unknown: BF0CB2010030EAFF0000EAFF0020
IE: Unknown: C005016A00FCFF
IE: Unknown: C304023C3C3C
IE: Unknown: DD180050F2020101010003A4000027A4000042435E0062322F00
IE: Unknown: DD0C0007CB010201000000000000
Cell 09 - Address: 3A:07:16:4C:E1:14
Channel:36
Frequency:5.18 GHz (Channel 36)
Quality=55/70 Signal level=-55 dBm
Encryption key:on
ESSID:"Freebox-C88732"
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=000000e329b4b29b
Extra: Last beacon: 1038ms ago
IE: Unknown: 000E46726565626F782D433838373332
IE: Unknown: 01088C129824B048606C
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: 0B050000010000
IE: Unknown: 46057200000000
IE: Unknown: 3B028000
IE: Unknown: 2D1AEF0003FFFF000000000000000000000100000000000000000000
IE: Unknown: 3D1624050000000000000000000000000000000000000000
IE: Unknown: 7F0A04000882000000400040
IE: Unknown: 6B0700380716C88732
IE: Unknown: 6C027F00
IE: Unknown: BF0CF2198933FAFF0000FAFF0020
IE: Unknown: C005012A00FCFF
IE: Unknown: C304022E2E2E
IE: Unknown: C911000D8955FF3A07164CE11C02F99794427F
IE: Unknown: FF1D230D00089A401804634088FFD99F1C110E00FAFFFAFF791CC7711CC771
IE: Unknown: FF0724F03F0016FCFF
IE: Unknown: FF0F6C3700E0FFDBE01875807E00222222
IE: Unknown: FF066A4022222222
IE: Unknown: DD180050F2020101010003A4000027A4000042435E0062322F00
IE: Unknown: DD0C0007CB010901000000000000
Cell 10 - Address: 3A:07:16:22:A0:C0
Channel:6
Frequency:2.437 GHz (Channel 6)
Quality=18/70 Signal level=-92 dBm
Encryption key:on
ESSID:"Freebox-C88732"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s
Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=0000002614f988a9
Extra: Last beacon: 1329ms ago
IE: Unknown: 000E46726565626F782D433838373332
IE: Unknown: 010882848B960C121824
IE: Unknown: 030106
IE: Unknown: 050401020000
IE: Unknown: 2A0104
IE: Unknown: 32043048606C
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: 0B0500000A0000
IE: Unknown: 46057200000000
IE: Unknown: 3B025100
IE: Unknown: 2D1AEC0003FFFF000000000000000000000100000000000000000000
IE: Unknown: 3D1606000000000000000000000000000000000000000000
IE: Unknown: 7F0A04000882000000400040
IE: Unknown: 6B0700380716C88732
IE: Unknown: 6C027F00
IE: Unknown: FF1D230D00089A4010026040880FC19F1C110E00FAFFFAFF791CC7711CC771
IE: Unknown: FF0724F03F003BFCFF
IE: Unknown: FF0F6CB700E00103E01877081E00222222
IE: Unknown: FF096A0122222222000600
IE: Unknown: DD180050F2020101010003A4000027A4000042435E0062322F00
Cell 11 - Address: 3A:07:16:22:A0:C2
Channel:6
Frequency:2.437 GHz (Channel 6)
Quality=18/70 Signal level=-92 dBm
Encryption key:on
ESSID:""
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s
Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
ESSID:"fbx-DC7VGS2W35A5QIEHDB77XXIYC43"
Extra:Mesh Network Path Selection Protocol ID: 0x01
Extra:Path Selection Metric ID: 0x01
Extra:Congestion Control Mode ID: 0x00
Extra:Synchronization ID: 0x01
Extra:Authentication ID: 0x01
Extra:Formation Info: 0x00
Extra:Capabilities: 0x01
Mode:Unknown/bug
Extra:tsf=0000002614f98004
Extra: Last beacon: 1331ms ago
IE: Unknown: 0000
IE: Unknown: 010882848B968C129824
IE: Unknown: 030106
IE: Unknown: 050400020000
IE: Unknown: 3204B048606C
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : unknown (8)
IE: Unknown: 2D1AE71903FFFF000000000000000000000100000000000000000000
IE: Unknown: 3D16060000000000FFFF0000000000000000000000000000
IE: Unknown: 721F6662782D444337564753325733354135514945484442373758584959433433
IE: Unknown: 710701010001010001
IE: Unknown: FF1D230900088A4010026000800D41851C100E00FAFFFAFF791CC7711CC771
IE: Unknown: FF0724F03F0180FFFF
IE: Unknown: FF0F6CB600E00103201030080000222222
IE: Unknown: FF096ADF22222200000600
>> uname -r -m
6.11.0-21-generic x86_64
>> cat /etc/network/interfaces
>> nm-tool
>> nmcli dev wifi
IN-USE BSSID SSID MODE CHAN RATE SIGNAL BARS SECURITY
* 3A:07:16:4C:E1:18 Freebox-C88732 Infra 128 270 Mbit/s 77 ▂▄▆_ WPA2
3A:07:16:4C:E1:10 Freebox-C88732 Infra 6 130 Mbit/s 75 ▂▄▆_ WPA2
3A:07:16:4C:E1:14 Freebox-C88732 Infra 36 270 Mbit/s 75 ▂▄▆_ WPA2
9C:53:22:E4:B4:47 Freebox Psn Étage Infra 2 130 Mbit/s 65 ▂▄▆_ WPA2
42:F8:DF:80:F2:9D DIRECT-F49D-TR4600series Infra 6 65 Mbit/s 64 ▂▄▆_ WPA2
14:0C:76:B3:BB:06 freebox_REVOLUTION Infra 11 195 Mbit/s 60 ▂▄▆_ WPA2
14:0C:76:B3:BB:07 FreeWifi_secure Infra 11 195 Mbit/s 59 ▂▄▆_ WPA2 802.1X
14:0C:76:35:0B:F4 freebox_REVOLUTION5G_5GHz Infra 104 405 Mbit/s 37 ▂▄__ WPA2
18:86:37:72:3C:25 Livebox-3C20 Infra 108 540 Mbit/s 27 ▂___ WPA2
CC:32:E5:3D:8A:C9 Livebox-BAB1_EXT Infra 6 130 Mbit/s 25 ▂___ WPA1 WPA2
3A:07:16:22:A0:C2 fbx-DC7VGS2W35A5QIEHDB77XXIYC43 Mesh 6 270 Mbit/s 14 ▂___ WPA3
3A:07:16:22:A0:C0 Freebox-C88732 Infra 6 130 Mbit/s 14 ▂___ WPA2
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NAME UUID TYPE DEVICE
Freebox-C88732 82498033-bb2c-4b03-b739-debc3394c99a wifi wlp0s20f3
lo 346763f9-0e0a-409f-b9df-368ceeb70ab0 loopback lo
Connexion filaire 1 902c2cfa-143e-3e79-be64-cb7fa1ff0932 ethernet --
>> sudo rfkill list
0: acer-wireless: Wireless LAN
Soft blocked: no
Hard blocked: no
1: acer-bluetooth: Bluetooth
Soft blocked: no
Hard blocked: no
2: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
3: phy0: Wireless LAN
Soft blocked: no
Hard blocked: noDernière modification par Khanma (Le 05/04/2025, à 18:38)
Hors ligne
#2 Le 31/03/2025, à 11:31
- xubu1957
Re : [RESOLU] Coupure wifi
Bonjour,
Montre aussi :
sudo dmesg | grep iwlwifiConseils pour les nouveaux demandeurs et pas qu'eux
Important : Pensez à passer vos sujets en [Réso|u] lorsque ceux-ci le sont, au début du titre en cliquant sur Modifier sous le premier message, et un bref récapitulatif de la solution à la fin de celui-ci. Merci. Membre de Linux-Azur
Hors ligne
#3 Le 31/03/2025, à 11:35
- Khanma
Re : [RESOLU] Coupure wifi
Voilà :
[ 3.591819] iwlwifi 0000:00:14.3: Detected crf-id 0x1300504, cnv-id 0x80400 wfpm id 0x80000030
[ 3.591862] iwlwifi 0000:00:14.3: PCI dev 51f0/0074, rev=0x370, rfid=0x10a100
[ 3.591864] iwlwifi 0000:00:14.3: Detected Intel(R) Wi-Fi 6 AX201 160MHz
[ 3.615395] iwlwifi 0000:00:14.3: TLV_FW_FSEQ_VERSION: FSEQ Version: 0.0.2.42
[ 3.616171] iwlwifi 0000:00:14.3: loaded firmware version 89.202a2f7b.0 so-a0-hr-b0-89.ucode op_mode iwlmvm
[ 4.110758] iwlwifi 0000:00:14.3: WFPM_UMAC_PD_NOTIFICATION: 0x20
[ 4.110807] iwlwifi 0000:00:14.3: WFPM_LMAC2_PD_NOTIFICATION: 0x1f
[ 4.110816] iwlwifi 0000:00:14.3: WFPM_AUTH_KEY_0: 0x90
[ 4.110825] iwlwifi 0000:00:14.3: CNVI_SCU_SEQ_DATA_DW9: 0x10
[ 4.110880] iwlwifi 0000:00:14.3: Detected RF HR B3, rfid=0x10a100
[ 4.112111] iwlwifi 0000:00:14.3: RFIm is deactivated, reason = 4
[ 4.177727] iwlwifi 0000:00:14.3: base HW address: 44:a3:bb:7d:a1:8b
[ 4.246031] iwlwifi 0000:00:14.3 wlp0s20f3: renamed from wlan0
[ 5.305167] iwlwifi 0000:00:14.3: WFPM_UMAC_PD_NOTIFICATION: 0x20
[ 5.305213] iwlwifi 0000:00:14.3: WFPM_LMAC2_PD_NOTIFICATION: 0x1f
[ 5.305263] iwlwifi 0000:00:14.3: WFPM_AUTH_KEY_0: 0x90
[ 5.305275] iwlwifi 0000:00:14.3: CNVI_SCU_SEQ_DATA_DW9: 0x10
[ 5.306393] iwlwifi 0000:00:14.3: RFIm is deactivated, reason = 4
[ 5.379043] iwlwifi 0000:00:14.3: Registered PHC clock: iwlwifi-PTP, with index: 0Dernière modification par Khanma (Le 31/03/2025, à 11:36)
Hors ligne
#4 Le 31/03/2025, à 11:41
- xubu1957
Re : [RESOLU] Coupure wifi
Tu devrais essayer de repasser sur le canal 36, au lieu du canal 128, pour les fréquences 5 GHz.
iwconfig
Tx excessive retries:0 Invalid misc:163 Missed beacon:0Essaye de régler le problème des interférences.
Tente aussi :
echo blacklist acer-wmi | sudo tee -a /etc/modprobe.d/blacklist-acer-wmi.confSuivi d'un redémarrage du système.
Voir le § 6 B du [Tuto] Pas de Wi-fi ? Eléments importants à vérifier
Conseils pour les nouveaux demandeurs et pas qu'eux
Important : Pensez à passer vos sujets en [Réso|u] lorsque ceux-ci le sont, au début du titre en cliquant sur Modifier sous le premier message, et un bref récapitulatif de la solution à la fin de celui-ci. Merci. Membre de Linux-Azur
Hors ligne
#5 Le 31/03/2025, à 12:36
- Khanma
Re : [RESOLU] Coupure wifi
Sous Windows 11, je n'avais aucun soucis de wifi.
Pour d'éventuelles interférences, je viens de remplacer ma souris sans fil avec une souris avec fil et pour le moment, la connexion internet tient (ça pourrait vraiment être ça ?)
Après être restée plus d'une demi-heure sans déconnexion, j'ai regardé aussi du côté de ma Freebox Ultra et comme j'avais configuré en réseau unique, je viens de les séparer, à voir si ça change quelque chose.
Je vais attendre de voir et si le problème revient et si c'est le cas, je tenterais la commande que tu m'a donnée.
Merci de ton aide.
Hors ligne
#6 Le 31/03/2025, à 12:41
- xubu1957
Re : [RESOLU] Coupure wifi
Voir le § 7 du > [Tuto] Pas de Wi-fi ? Éléments importants à vérifier, en cas de dual-boot avec Windows.
Donne la liste des anomalies de démarrage :
journalctl --no-pager -b -p errd'éventuels paquets cassés :
dpkg -l | grep -v ^iiet :
ls -l /var/crashDernière modification par xubu1957 (Le 31/03/2025, à 12:42)
Conseils pour les nouveaux demandeurs et pas qu'eux
Important : Pensez à passer vos sujets en [Réso|u] lorsque ceux-ci le sont, au début du titre en cliquant sur Modifier sous le premier message, et un bref récapitulatif de la solution à la fin de celui-ci. Merci. Membre de Linux-Azur
Hors ligne
#7 Le 31/03/2025, à 13:44
- Khanma
Re : [RESOLU] Coupure wifi
Et voilà (et pour info, je ne suis pas en dual boot, je n'ai que Kubuntu d'installé) :
mars 31 12:20:18 PC-MARYLIN kernel: integrity: Problem loading X.509 certificate -65
mars 31 12:20:18 PC-MARYLIN kernel: integrity: Problem loading X.509 certificate -65
mars 31 12:20:21 PC-MARYLIN bluetoothd[944]: profiles/sap/server.c:sap_server_register() Sap driver initialization failed.
mars 31 12:20:21 PC-MARYLIN bluetoothd[944]: sap-server: Operation not permitted (1)Souhait=inconnU/Installé/suppRimé/Purgé/H=à garder
| État=Non/Installé/fichier-Config/dépaqUeté/échec-conFig/H=semi-installé/W=attend-traitement-déclenchements
|/ Err?=(aucune)/besoin Réinstallation (État,Err: majuscule=mauvais)
||/ Nom Version Architecture Description
+++-========================================================-===========================================-============-================================================================================total 78224
-rw-r----- 1 marylin whoopsie 80095543 mars 31 09:57 _usr_bin_plasma-discover.1000.crash
-rw-rw-r-- 1 marylin whoopsie 0 mars 31 09:57 _usr_bin_plasma-discover.1000.uploadDernière modification par Khanma (Le 31/03/2025, à 13:46)
Hors ligne
#8 Le 31/03/2025, à 13:58
- tycooon
Re : [RESOLU] Coupure wifi
Bonjour,
Pour voir les paramètres wifi :
for param in /sys/module/iwlwifi/parameters/*; do
echo "$(basename "$param") = $(cat "$param")";
done"Copier/coller" dans le terminal + touche "ENTREE"
Hors ligne
#9 Le 31/03/2025, à 14:06
- Khanma
Re : [RESOLU] Coupure wifi
Et voilà :
11n_disable = 0
amsdu_size = 0
bt_coex_active = Y
disable_11ac = N
disable_11ax = N
disable_11be = N
enable_ini = 16
fw_restart = Y
led_mode = 0
nvm_file = (null)
power_level = 0
power_save = N
remove_when_gone = N
swcrypto = 0
uapsd_disable = 3Hors ligne
#10 Le 31/03/2025, à 14:24
- tycooon
Re : [RESOLU] Coupure wifi
tout est ok coté paramètres.
quand le wifi disparaît, essaie cette commande :
sudo dmesg | grep -E 'iwlwifi|firmware|microcode'Est ce que ça le fait depuis que tu es passé sur ce noyau linux : 6.11.0-21-generic ?
Désactive aussi le bluetooth , pour voir si le problème persiste.
Hors ligne
#11 Le 31/03/2025, à 14:28
- Khanma
Re : [RESOLU] Coupure wifi
Merci, je note la commande si le wifi re-disparait (pour le moment, ça tient toujours)
Je ne saurais te dire pour le noyau, j'ai installé Kubuntu seulement hier, avant j'étais sous Windows 11 et ce, sans soucis de wifi.
Hors ligne
#12 Le 31/03/2025, à 14:45
- tycooon
Re : [RESOLU] Coupure wifi
Il faudra essayer de passer en wifi 5 comme solution aussi "disable_11ax=Y" , pour le moment on attend et voir aussi les solutions au #4 de xubu1957 (interférences)
Hors ligne
#13 Le 05/04/2025, à 18:37
- Khanma
Re : [RESOLU] Coupure wifi
Alors après quelques jours de test, je n'ai plus aucune déconnexion et ce, même avec ma souris sans fil.
La seule chose que j'ai changé est de séparer les réseaux wifi de ma Freebox. Cela m'étonne car je n'avais aucun soucis sous Windows 11.
Bref, je ne vais pas chercher plus loin, tant que ça marche.
Merci pour votre aide 
Hors ligne
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