{"id":4611,"date":"2021-05-19T11:24:06","date_gmt":"2021-05-19T02:24:06","guid":{"rendered":"https:\/\/now0930.pe.kr\/wordpress\/?p=4611"},"modified":"2021-05-22T06:22:46","modified_gmt":"2021-05-21T21:22:46","slug":"usb-wifi-%eb%8f%99%ea%b8%80ew-7811%eb%a1%9c-%eb%82%b4%eb%b6%80-%eb%a7%9d-%ec%97%b0%ea%b2%b0","status":"publish","type":"post","link":"https:\/\/now0930.pe.kr\/wordpress\/usb-wifi-%eb%8f%99%ea%b8%80ew-7811%eb%a1%9c-%eb%82%b4%eb%b6%80-%eb%a7%9d-%ec%97%b0%ea%b2%b0\/","title":{"rendered":"wifi \ub3d9\uae00(ew-7811)\ub85c \ub0b4\ubd80 \ub9dd \uc5f0\uacb0"},"content":{"rendered":"\n

\uc2e4\uc2b5 \ub77c\uc988\ubca0\ub9ac \ud30c\uc774\ub97c \uc804\uc6d0\ub9cc \ubd99\uc5ec \ucc45\uc0c1\uc5d0 \uc62c\ub838\ub2e4. \ucc98\uc74c\uc5d0\ub294 \uc774\ubbf8\uc9c0\ub97c \uc798\ubabb \ub728\uba74 \ubd80\ud305\ub418\uc9c0 \uc54a\uc744\uae4c \ud0a4\ubcf4\ub4dc, \ub9c8\uc6b0\uc2a4, \ubaa8\ub2c8\ud130\uac00 \ud544\uc694\ud558\ub2e4 \uc0dd\uac01\ud588\ub2e4. \uadf8\ub7ec\ub098 \ud06c\ub85c\uc2a4 \ucef4\ud30c\uc77c \uc0bd\uc9c8\uc744 \uba87 \ubc88 \ud574\ubcf4\ub2c8 \ubd80\ud305 \uc774\ubbf8\uc9c0\ub97c \uc27d\uac8c \ub9cc\ub4e4 \uc218 \uc788\uc5c8\ub2e4. \uacf5\uac04(\uacf5\uac04 = \ub3c8)\uc744 \uc808\uc57d\ud558\uace0\uc790 \ub77c\uc988\ubca0\ub9ac \ud30c\uc774\uc5d0 \uc804\uc6d0\ub9cc \ub123\uace0 \ub098\uba38\uc9c0\ub97c \uc2f9 \uce58\uc6e0\ub2e4.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\ucee4\ub110 \ud328\ub2c9\uc744 \uba87 \ubc88\uc774\ub098 \ubcf4\uaca0\uc5b4? \ub370\uc2a4\ud06c\ud0d1\uc5d0\uc11c ssh\ub85c \ub77c\uc988\ubca0\ub9ac \ud30c\uc774\uc5d0 \uc811\uc18d\ud558\uc5ec \uc0ac\uc6a9\ud558\uae30\ub85c \ud588\ub2e4. \uc720\uc120\uc73c\ub85c \uc5f0\uacb0\ud558\uba74 \uac04\ub2e8\ud55c\ub370, \uacf5\uc720\uae30\ub294 \uac70\uc2e4\uc5d0 \uc788\uace0, \ub370\uc2a4\ud06c\ud0d1\uc740 \ub2e4\ub978 \ubc29\uc5d0 \uc788\uc5b4 \uc9c0\uc800\ubd84\ud558\ub2e4. \uac8c\ub2e4\uac00 \ub370\uc2a4\ud06c\ud0d1\uc5d0 \ub79c\ud3ec\ud2b8\uac00 \ud558\ub098\ub77c \uc778\ud130\ub137\uc6a9\uc73c\ub85c \ud560\ub2f9\ud574\uc57c \ud55c\ub2e4. usb\uc6a9 \uc640\uc774\ud30c\uc774 \ubaa8\ub4c8\ub85c \ubd99\uc774\uba74 \uac04\ub2e8\ud55c\ub370, \uc9c0\uae08 \uc0ac\uae30 \uc544\uae5d\ub2e4. \ud3ec\uae30\ud558\ub824 \ud588\uc73c\ub098, \uacfc\uac70 \ub808\uace0 ev3\uc5d0 \uc5f0\uacb0\ud588\ub358 \uc640\uc774\ud30c\uc774 \ub3d9\uae00\uc744 \ucc3e\uc544\ub0c8\ub2e4. \ub2f9\uc7a5 \ub808\uace0\uc5d0\uc11c \uc801\ucd9c\ud558\uc5ec \ub370\uc2a4\ud06c\ud0d1\uc5d0 \uaf3d\uc558\ub2e4.<\/p>\n\n\n\n

\nhttps:\/\/www.edimax.com\/edimax\/merchandise\/merchandise_detail\/data\/edimax\/in\/wireless_adapters_n150\/ew-7811un\/\n<\/div><\/figure>\n\n\n\n

\ub3d9\uae00\ub85c \uc774\ub807\uac8c \uc5f0\uacb0\ud588\ub2e4.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\ucc98\uc74c \ub3d9\uae00\uc744 \uc5f0\uacb0\ud558\uc5ec, wifi login\ud558\uba74 \ub0b4\ubd80 \ub9dd\uc73c\ub85c \uc798 \uc5f0\uacb0\ub41c\ub2e4. \ubb38\uc81c\ub294 \uc774\uc81c\ubd80\ud130..<\/p>\n\n\n\n

\ubd80\ud305\ud560 \ub54c network manager\uac00 usb \ub3d9\uae00\uc744 \uc5f0\uacb0\ud560 \ub54c \uae4c\uc9c0 \uae30\ub2e4\ub9b0\ub2e4. \ub9e4 \ubd80\ud305\uc2dc \uc57d 30\ucd08 \ub3d9\uc548 \uc9c0\uc5f0\ub41c\ub2e4. ssd\ub97c \uc0ac\uc6a9\ud558\uc9c0\ub9cc \uccb4\uac10\uc740 \ud558\ub4dc\ub514\uc2a4\ud06c \uc218\uc900\uc774\ub2e4. \uadf8\ub0e5 \uc4f0\ub824 \ud588\uc73c\ub098, \ub0a8\ub294\uac8c \uc2dc\uac04\uc774\ub77c \ubc30\uc6cc\ub3c4 \ubcfc \uacb8, \uace0\uce58\uae30\ub85c \ud588\ub2e4.<\/p>\n\n\n\n

[10:04:57]>dmesg \n[ 732.893023] rtl_usb: reg 0x82, usbctrl_vendorreq TimeOut! status:0xffffff92 value=0xa200\n[ 743.132917] rtl_usb: reg 0x82, usbctrl_vendorreq TimeOut! status:0xffffff92 value=0xa300\n<\/pre>\n\n\n\n
\uc77c\ub2e8 \uc0ac\uc6a9\ud558\ub294 \ub4dc\ub77c\uc774\ubc84\ub97c \ucc3e\uc558\ub2e4.<\/p>\n\n\n\n
[09:59:09]>lsusb\n...\nBus 001 Device 002: ID 7392:7811 Edimax Technology Co., Ltd EW-7811Un 802.11n Wireless Adapter [Realtek RTL8188CUS]<\/pre>\n\n\n\n
realtek rtl8188cus \ub4dc\ub77c\uc774\ubc84\ub97c \ucc3e\uc544\uc57c \ud55c\ub2e4. \uc778\ud130\ub137\uc5d0\uc11c \ucc3e\uc558\uc9c0\ub9cc \ub108\ubb34 \uc624\ub798\ub418\uc5b4 kernel 2.x\ub300\ub85c \ucef4\ud30c\uc77c \ud574\uc57c\ud55c\ub2e4. \ubb34\uc2a8 \ud5e4\ub354\ud30c\uc77c\uc774 \ucee4\ub110 \uc5c5\ub370\uc774\ud2b8 \ub418\uba74\uc11c \uc0ac\ub77c\uc84c\ub294\ub370, \uc774 \ubd80\ubd84\uc744 \uc218\uc815\ud574\uc57c \ucef4\ud30c\uc77c \ud560 \uc218 \uc788\uc744 \uac83 \uac19\ub2e4. \ub204\uac00??? \ud3ec\uae30\ud558\uace0, rtl8188\uc774 rtl8192 \ub4dc\ub77c\uc774\ubc84\ub97c \uc0ac\uc6a9\ud558\ub294 \ub4ef \ud558\uc5ec \uc774 \ub4dc\ub77c\uc774\ubc84\ub97c \ucc3e\uc544\ubd24\ub2e4.<\/p>\n\n\n\n
[09:59:10]>lsmod | grep rtl_usb\nrtl_usb                20480  1 rtl8192cu<\/pre>\n\n\n\n
\ub4dc\ub77c\uc774\ubc84\ub97c \ucc3e\uc544\ubcf4\ub2c8 kenel 5.4\ubc84\uc804\uc5d0\ub3c4 \uc798 \ub4e4\uc5b4\uac00 \uc788\ub2e4. \ud558\ub4dc\uc6e8\uc5b4 \ud2b9\uc131\uc778 \ub4ef \ud558\ub2e4. \uc544\uc608 \ubaa8\ub4c8\uc744 \ubd80\ud305\ud560 \ub54c  \ub85c\ub529\ud558\uc9c0 \uc54a\ub3c4\ub85d blacklist\ub85c \ub123\uc5b4 \uc8fc\uae30\ub85c \ud588\ub2e4.<\/p>\n\n\n\n
  1. \uc758\uc874\uc131 \uc791\uc131.<\/a><\/li>
  2. \ube14\ub799\ub9ac\uc2a4 \uc791\uc131.<\/a><\/li>
  3. update<\/a>.<\/li>
  4. \uc218\ub3d9\uc73c\ub85c \ub85c\ub529.<\/li><\/ol>\n\n\n\n
    \ub4dc\ub77c\uc774\ubc84\ub97c \ub85c\ub529 \ud6c4 \ubaa8\ub4c8 \uc758\uc874\uc131\uc744 \ub9cc\ub4e4\uc5c8\ub2e4. \uc218\ub3d9\uc73c\ub85c \ud574\uc57c \ud558\ub294\uc9c0 \ubaa8\ub974\uaca0\uc73c\ub098, \uc544\ub798 \uba85\ub839\uc5b4<\/a>\ub85c \ud588\ub2e4.<\/p>\n\n\n\n
    [10:48:28]>sudo depmod<\/pre>\n\n\n\n
    \uc5b4\ub290 \ubaa8\ub4c8\uc774 \ubb38\uc81c\uc778\uc9c0 \ubab0\ub77c \ube14\ub799\ub9ac\uc2a4\ud2b8\uc5d0 \ubaa8\ub450 \ucd94\uac00\ud588\ub2e4. \uc774\ud6c4 \uc774\ubbf8\uc9c0\ub97c \uc5c5\ub370\uc774\ud2b8 \ud588\ub2e4. \ud574\ub3c4, \uc548\ud574\ub3c4 \uc0c1\uad00\uc5c6\ub2e4\ub294\ub370 \ud558\ub294 \uac8c \uc88b\ub2e8\ub2e4.<\/p>\n\n\n\n
    [10:04:57]>cat \/etc\/modprobe.d\/blacklist-usbwifi.conf \n#rtl_usb \ub85c\ub529\uc2dc vendor timeout\uc73c\ub85c \ubd80\ud305 \uc9c0\uc5f0.\n#\ud574\ub2f9 \ub4dc\ub77c\uc774\ubc84\ub97c \uad6c\ud560 \uc218 \uc5c6\uc5b4 \ubd80\ud305\uc2dc \uc5b8\ub85c\ub4dc\ub97c \uae30\ubcf8 \uc124\uc815.\n#\ub85c\ub529 \ud6c4 \ubaa8\ub4c8 \ucd94\uac00.\n#\nblacklist rtl8192cu\nblacklist rtl8xxxu\nblacklist rtl8192c_common\nblacklist rtlwifi\nblacklist rtl_usb\nblacklist mac80211\nblacklist cfg80211<\/pre>\n\n\n\n
    # update-initramfs -u<\/pre>\n\n\n\n
    \ubd80\ud305\uc740 \ube68\ub9ac \ub41c\ub2e4. \ubd80\ud305 \ud6c4 \ud544\uc694\ud560 \ub54c modprobe\ub85c \ub85c\ub529\ud55c\ub2e4. insmod\ub97c \ud558\uba74 \uc21c\uc11c\ub300\ub85c \ud558\uc9c0 \uc54a\uc544 symbolic error\ub97c \ub0b8\ub2e4.<\/p>\n\n\n\n
    [  228.936080] rtl_usb: Unknown symbol rtl_beacon_statistic (err -2)\n[  228.936107] rtl_usb: Unknown symbol ieee80211_free_hw (err -2)\n[  228.936123] rtl_usb: Unknown symbol ieee80211_register_hw (err -2)\n[  228.936141] rtl_usb: Unknown symbol rtl_ops (err -2)\n[  228.936153] rtl_usb: Unknown symbol ieee80211_tx_status_irqsafe (err -2)\n[  228.936175] rtl_usb: Unknown symbol rtl_init_rx_config (err -2)\n[  228.936187] rtl_usb: Unknown symbol rtl_lps_change_work_callback (err -2)\n[  228.936203] rtl_usb: Unknown symbol rtl_action_proc (err -2)\n[  228.936215] rtl_usb: Unknown symbol rtl_init_core (err -2)\n[  228.936231] rtl_usb: Unknown symbol ieee80211_alloc_hw_nm (err -2)\n[  228.936248] rtl_usb: Unknown symbol ieee80211_unregister_hw (err -2)\n[  228.936265] rtl_usb: Unknown symbol rtl_deinit_core (err -2)\n[  228.936277] rtl_usb: Unknown symbol rtl_deinit_deferred_work (err -2)\n[  228.936290] rtl_usb: Unknown symbol ieee80211_rx_napi (err -2)\n[  235.724425] rtl_usb: Unknown symbol rtl_beacon_statistic (err -2)\n[  235.724452] rtl_usb: Unknown symbol ieee80211_free_hw (err -2)\n[  235.724467] rtl_usb: Unknown symbol ieee80211_register_hw (err -2)\n[  235.724484] rtl_usb: Unknown symbol rtl_ops (err -2)\n[  235.724497] rtl_usb: Unknown symbol ieee80211_tx_status_irqsafe (err -2)\n[  235.724519] rtl_usb: Unknown symbol rtl_init_rx_config (err -2)\n[  235.724531] rtl_usb: Unknown symbol rtl_lps_change_work_callback (err -2)\n[  235.724546] rtl_usb: Unknown symbol rtl_action_proc (err -2)\n[  235.724558] rtl_usb: Unknown symbol rtl_init_core (err -2)\n[  235.724574] rtl_usb: Unknown symbol ieee80211_alloc_hw_nm (err -2)\n[  235.724591] rtl_usb: Unknown symbol ieee80211_unregister_hw (err -2)\n[  235.724608] rtl_usb: Unknown symbol rtl_deinit_core (err -2)\n[  235.724620] rtl_usb: Unknown symbol rtl_deinit_deferred_work (err -2)\n[  235.724633] rtl_usb: Unknown symbol ieee80211_rx_napi (err -2)\n<\/pre>\n\n\n\n
    [10:58:11]>sudo modprobe rtl8192cu<\/pre>\n\n\n\n
    [  171.425547] rtl8192cu: Chip version 0x10\n[  174.965957] rtl8192cu: Board Type 0\n[  174.974954] rtl_usb: rx_max_size 15360, rx_urb_num 8, in_ep 1\n[  174.974978] rtl8192cu: Loading firmware rtlwifi\/rtl8192cufw_TMSC.bin\n[  174.975042] ieee80211 phy0: Selected rate control algorithm 'rtl_rc'\n[  174.975494] usbcore: registered new interface driver rtl8192cu\n[  174.981081] rtl8192cu 1-9:1.0 wlx801f02efe35d: renamed from wlan0\n[  175.036947] rtl8192cu: MAC auto ON okay!\n[  176.627123] rtl8192cu: Tx queue select: 0x05\n[  187.013949] rtl_usb: reg 0x82, usbctrl_vendorreq TimeOut! status:0xffffff92 value=0xa200\n[  197.253732] rtl_usb: reg 0x82, usbctrl_vendorreq TimeOut! status:0xffffff92 value=0xa300\n[  207.493591] rtl_usb: reg 0x82, usbctrl_vendorreq TimeOut! status:0xffffff92 value=0xa400\n[  217.733460] rtl_usb: reg 0x80, usbctrl_vendorreq TimeOut! status:0xffffff92 value=0xa500\n[  230.660865] wlx801f02efe35d: authenticate with 00:07:89:9a:24:d9\n[  231.013147] wlx801f02efe35d: send auth to 00:07:89:9a:24:d9 (try 1\/3)\n[  231.020672] wlx801f02efe35d: authenticated\n[  231.021103] wlx801f02efe35d: associate with 00:07:89:9a:24:d9 (try 1\/3)\n[  231.041533] wlx801f02efe35d: RX AssocResp from 00:07:89:9a:24:d9 (capab=0x411 status=0 aid=7)\n[  231.041542] wlx801f02efe35d: AP has invalid WMM params (AIFSN=1 for ACI 3), will use 2\n[  231.185105] wlx801f02efe35d: associated\n[  231.210645] IPv6: ADDRCONF(NETDEV_CHANGE): wlx801f02efe35d: link becomes ready<\/pre>\n\n\n\n
    176\ucd08\uc5d0 \ub85c\ub529 \ud6c4 230\ucd08\uc5d0 \ub4dc\ub77c\uc774\ubc84\ub97c \ub85c\ub529\ud588\ub2e4. \uc774 \ud558\ub4dc\uc6e8\uc5b4 \uc790\uccb4\uac00 \ubb38\uc81c\uc788\uc5b4 \ubcf4\uc778\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"
    \uc2e4\uc2b5 \ub77c\uc988\ubca0\ub9ac \ud30c\uc774\ub97c \uc804\uc6d0\ub9cc \ubd99\uc5ec \ucc45\uc0c1\uc5d0 \uc62c\ub838\ub2e4. \ucc98\uc74c\uc5d0\ub294 \uc774\ubbf8\uc9c0\ub97c \uc798\ubabb \ub728\uba74 \ubd80\ud305\ub418\uc9c0 \uc54a\uc744\uae4c \ud0a4\ubcf4\ub4dc, \ub9c8\uc6b0\uc2a4, \ubaa8\ub2c8\ud130\uac00 \ud544\uc694\ud558\ub2e4 \uc0dd\uac01\ud588\ub2e4. \uadf8\ub7ec\ub098 \ud06c\ub85c\uc2a4 \ucef4\ud30c\uc77c \uc0bd\uc9c8\uc744 \uba87 \ubc88 \ud574\ubcf4\ub2c8 \ubd80\ud305 \uc774\ubbf8\uc9c0\ub97c \uc27d\uac8c \ub9cc\ub4e4 \uc218 \uc788\uc5c8\ub2e4. \uacf5\uac04(\uacf5\uac04 = \ub3c8)\uc744 \uc808\uc57d\ud558\uace0\uc790 \ub77c\uc988\ubca0\ub9ac \ud30c\uc774\uc5d0 \uc804\uc6d0\ub9cc \ub123\uace0 \ub098\uba38\uc9c0\ub97c \uc2f9 \uce58\uc6e0\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[12],"tags":[914,53,913,798],"class_list":["post-4611","post","type-post","status-publish","format-standard","hentry","category-12","tag-insmod","tag-linux","tag-modprobe","tag-raspberry"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/4611","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/comments?post=4611"}],"version-history":[{"count":5,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/4611\/revisions"}],"predecessor-version":[{"id":4620,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/4611\/revisions\/4620"}],"wp:attachment":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/media?parent=4611"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/categories?post=4611"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/tags?post=4611"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}