Bonjour,
J'ai récemment installer Ubuntu 17.10 à coté de mon Windows et j'ai remarqué que le wifi capté à peine et que c'était très très lent, que ce soit à la fac ou chez moi. Même si je me trouve à coté du modem.
Pourtant sous Windows il n'y a aucun problème.
Si quelqu'un pourrait m'aider ça serait vraiment sympa
Voici les paramètres :
x@x:~$ lspci
00:00.0 Host bridge: Intel Corporation Broadwell-U Host Bridge -OPI (rev 09)
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 5500 (rev 09)
00:03.0 Audio device: Intel Corporation Broadwell-U Audio Controller (rev 09)
00:04.0 Signal processing controller: Intel Corporation Broadwell-U Processor Thermal Subsystem (rev 09)
00:14.0 USB controller: Intel Corporation Wildcat Point-LP USB xHCI Controller (rev 03)
00:16.0 Communication controller: Intel Corporation Wildcat Point-LP MEI Controller #1 (rev 03)
00:1b.0 Audio device: Intel Corporation Wildcat Point-LP High Definition Audio Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #1 (rev e3)
00:1c.2 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #3 (rev e3)
00:1c.4 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #5 (rev e3)
00:1c.5 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #6 (rev e3)
00:1f.0 ISA bridge: Intel Corporation Wildcat Point-LP LPC Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation Wildcat Point-LP SATA Controller [AHCI Mode] (rev 03)
00:1f.3 SMBus: Intel Corporation Wildcat Point-LP SMBus Controller (rev 03)
00:1f.6 Signal processing controller: Intel Corporation Wildcat Point-LP Thermal Management Controller (rev 03)
07:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller (rev 07)
0d:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] Sun XT [Radeon HD 8670A/8670M/8690M / R5 M330 / M430] (rev 83)
13:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter
x@x:~$ lsmod
Module Size Used by
rfcomm 77824 2
ccm 20480 9
cmac 16384 1
bnep 20480 2
binfmt_misc 20480 1
nls_iso8859_1 16384 1
cmdlinepart 16384 0
intel_spi_platform 16384 0
intel_spi 20480 1 intel_spi_platform
spi_nor 28672 1 intel_spi
mtd 57344 4 spi_nor,intel_spi,cmdlinepart
uvcvideo 90112 0
intel_rapl 20480 0
x86_pkg_temp_thermal 16384 0
videobuf2_vmalloc 16384 1 uvcvideo
videobuf2_memops 16384 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
intel_powerclamp 16384 0
videobuf2_core 40960 2 uvcvideo,videobuf2_v4l2
coretemp 16384 0
videodev 176128 3 uvcvideo,videobuf2_core,videobuf2_v4l2
media 40960 2 uvcvideo,videodev
arc4 16384 2
btusb 45056 0
rtl8723be 94208 0
kvm 581632 0
btcoexist 122880 1 rtl8723be
irqbypass 16384 1 kvm
rtl8723_common 24576 1 rtl8723be
rtl_pci 28672 1 rtl8723be
rtlwifi 77824 4 rtl_pci,btcoexist,rtl8723_common,rtl8723be
crct10dif_pclmul 16384 0
crc32_pclmul 16384 0
ghash_clmulni_intel 16384 0
btrtl 16384 1 btusb
snd_soc_rt298 36864 0
pcbc 16384 0
snd_hda_codec_realtek 94208 1
btbcm 16384 1 btusb
snd_soc_rt286 40960 0
mac80211 778240 3 rtl_pci,rtlwifi,rtl8723be
snd_hda_codec_hdmi 49152 1
snd_hda_codec_generic 73728 1 snd_hda_codec_realtek
aesni_intel 188416 8
btintel 16384 1 btusb
wmi_bmof 16384 0
bluetooth 540672 31 btrtl,btintel,bnep,btbcm,rfcomm,btusb
ecdh_generic 24576 1 bluetooth
snd_soc_rl6347a 16384 2 snd_soc_rt298,snd_soc_rt286
cfg80211 610304 2 mac80211,rtlwifi
input_leds 16384 0
aes_x86_64 20480 1 aesni_intel
crypto_simd 16384 1 aesni_intel
snd_hda_intel 40960 6
glue_helper 16384 1 aesni_intel
cryptd 24576 3 crypto_simd,ghash_clmulni_intel,aesni_intel
hp_wmi 16384 0
intel_cstate 20480 0
intel_rapl_perf 16384 0
snd_hda_codec 126976 4 snd_hda_intel,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec_realtek
joydev 20480 0
sparse_keymap 16384 1 hp_wmi
serio_raw 16384 0
snd_soc_ssm4567 16384 0
snd_soc_core 229376 3 snd_soc_ssm4567,snd_soc_rt298,snd_soc_rt286
snd_hda_core 81920 5 snd_hda_intel,snd_hda_codec,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec_realtek
snd_compress 20480 1 snd_soc_core
ac97_bus 16384 1 snd_soc_core
snd_hwdep 20480 1 snd_hda_codec
snd_pcm_dmaengine 16384 1 snd_soc_core
snd_pcm 98304 9 snd_hda_intel,snd_hda_codec,snd_pcm_dmaengine,snd_hda_core,snd_hda_codec_hdmi,snd_soc_rt298,snd_soc_rt286,snd_soc_core
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
processor_thermal_device 16384 0
intel_soc_dts_iosf 16384 1 processor_thermal_device
int3403_thermal 16384 0
snd_rawmidi 32768 1 snd_seq_midi
snd_seq 65536 2 snd_seq_midi_event,snd_seq_midi
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 32768 2 snd_seq,snd_pcm
snd 81920 24 snd_compress,snd_hda_intel,snd_hwdep,snd_seq,snd_hda_codec,snd_timer,snd_rawmidi,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_seq_device,snd_hda_codec_realtek,snd_soc_core,snd_pcm
dw_dmac 16384 0
snd_soc_sst_acpi 16384 0
snd_soc_sst_match 16384 1 snd_soc_sst_acpi
dw_dmac_core 24576 1 dw_dmac
mei_me 40960 0
mei 98304 1 mei_me
8250_dw 16384 0
lpc_ich 24576 0
soundcore 16384 1 snd
mac_hid 16384 0
shpchp 36864 0
spi_pxa2xx_platform 24576 0
hp_wireless 16384 0
int3406_thermal 16384 0
int3402_thermal 16384 0
tpm_crb 16384 0
int340x_thermal_zone 16384 3 int3402_thermal,int3403_thermal,processor_thermal_device
acpi_pad 180224 0
int3400_thermal 16384 0
acpi_thermal_rel 16384 1 int3400_thermal
intel_pch_thermal 16384 0
parport_pc 32768 0
ppdev 20480 0
lp 20480 0
parport 49152 3 lp,parport_pc,ppdev
ip_tables 24576 0
x_tables 40960 1 ip_tables
autofs4 40960 2
amdgpu 2007040 0
amdkfd 188416 1
amd_iommu_v2 20480 1 amdkfd
radeon 1470464 1
i915 1798144 12
i2c_algo_bit 16384 3 amdgpu,radeon,i915
ttm 94208 2 amdgpu,radeon
psmouse 147456 0
drm_kms_helper 167936 3 amdgpu,radeon,i915
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
fb_sys_fops 16384 1 drm_kms_helper
ahci 36864 4
drm 356352 9 amdgpu,radeon,i915,ttm,drm_kms_helper
libahci 32768 1 ahci
r8169 81920 0
mii 16384 1 r8169
wmi 24576 2 wmi_bmof,hp_wmi
video 40960 2 int3406_thermal,i915
sdhci_acpi 16384 0
i2c_hid 20480 0
sdhci 45056 1 sdhci_acpi
hid 118784 1 i2c_hid
x@x:~$ iwconfig
enp7s0 no wireless extensions.
lo no wireless extensions.
wlp19s0 IEEE 802.11 ESSID:"Cask_Xperia_XA1 "
Mode:Managed Frequency:2.437 GHz Access Point: 2A:3F:69:15:13:E7
Bit Rate=72.2 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Power Management:on
Link Quality=36/70 Signal level=-74 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:79 Missed beacon:0
Merci d'avance pour votre aide
Mickael
