我最近买了一台预装了 Windows 7 的 Toshiba Satellite L875-S7208。我在同一个 Windows 分区上安装了 Ubuntu 12.04 LTS 双启动。
然而，通常启动后 15 分钟或更短时间内，WiFi 连接就会断开。
以下是一些希望相关的信息：
lspci-knn 的
00:00.0 Host bridge [0600]: Intel Corporation 2nd Generation Core Processor Family DRAM Controller [8086:0104] (rev 09)
Subsystem: Toshiba America Info Systems Device [1179:fb41]
Kernel driver in use: agpgart-intel
00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09)
Subsystem: Toshiba America Info Systems Device [1179:fb40]
Kernel driver in use: i915
Kernel modules: i915
00:14.0 USB controller [0c03]: Intel Corporation Panther Point USB xHCI Host Controller [8086:1e31] (rev 04)
Subsystem: Toshiba America Info Systems Device [1179:fb41]
Kernel driver in use: xhci_hcd
00:16.0 Communication controller [0780]: Intel Corporation Panther Point MEI Controller #1 [8086:1e3a] (rev 04)
Subsystem: Toshiba America Info Systems Device [1179:fb41]
Kernel driver in use: mei
Kernel modules: mei
00:1a.0 USB controller [0c03]: Intel Corporation Panther Point USB Enhanced Host Controller #2 [8086:1e2d] (rev 04)
Subsystem: Toshiba America Info Systems Device [1179:fb41]
Kernel driver in use: ehci_hcd
00:1b.0 Audio device [0403]: Intel Corporation Panther Point High Definition Audio Controller [8086:1e20] (rev 04)
Subsystem: Toshiba America Info Systems Device [1179:fb40]
Kernel driver in use: snd_hda_intel
Kernel modules: snd-hda-intel
00:1c.0 PCI bridge [0604]: Intel Corporation Panther Point PCI Express Root Port 1 [8086:1e10] (rev c4)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.1 PCI bridge [0604]: Intel Corporation Panther Point PCI Express Root Port 2 [8086:1e12] (rev c4)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.2 PCI bridge [0604]: Intel Corporation Panther Point PCI Express Root Port 3 [8086:1e14] (rev c4)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1d.0 USB controller [0c03]: Intel Corporation Panther Point USB Enhanced Host Controller #1 [8086:1e26] (rev 04)
Subsystem: Toshiba America Info Systems Device [1179:fb41]
Kernel driver in use: ehci_hcd
00:1f.0 ISA bridge [0601]: Intel Corporation Panther Point LPC Controller [8086:1e59] (rev 04)
Subsystem: Toshiba America Info Systems Device [1179:fb41]
Kernel modules: iTCO_wdt
00:1f.2 SATA controller [0106]: Intel Corporation Panther Point 6 port SATA Controller [AHCI mode] [8086:1e03] (rev 04)
Subsystem: Toshiba America Info Systems Device [1179:fb41]
Kernel driver in use: ahci
00:1f.3 SMBus [0c05]: Intel Corporation Panther Point SMBus Controller [8086:1e22] (rev 04)
Subsystem: Toshiba America Info Systems Device [1179:fb41]
Kernel modules: i2c-i801
02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter [10ec:8176] (rev 01)
Subsystem: Realtek Semiconductor Co., Ltd. Device [10ec:8211]
Kernel driver in use: rtl8192ce
Kernel modules: rtl8192ce
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller [10ec:8136] (rev 05)
Subsystem: Toshiba America Info Systems Device [1179:fb37]
Kernel driver in use: r8169
Kernel modules: r8169
修改
Module Size Used by
snd_hda_codec_hdmi 32474 1
snd_hda_codec_realtek 224066 1
joydev 17693 0
rfcomm 47604 0
bnep 18281 2
bluetooth 180104 10 rfcomm,bnep
parport_pc 32866 0
ppdev 17113 0
arc4 12529 2
snd_hda_intel 33773 3
snd_hda_codec 127706 3 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel
snd_hwdep 13668 1 snd_hda_codec
snd_pcm 97188 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
snd_seq_midi 13324 0
snd_rawmidi 30748 1 snd_seq_midi
snd_seq_midi_event 14899 1 snd_seq_midi
snd_seq 61896 2 snd_seq_midi,snd_seq_midi_event
snd_timer 29990 2 snd_pcm,snd_seq
snd_seq_device 14540 3 snd_seq_midi,snd_rawmidi,snd_seq
psmouse 87692 0
serio_raw 13211 0
rtl8192ce 84826 0
rtl8192c_common 75767 1 rtl8192ce
rtlwifi 111202 1 rtl8192ce
mac80211 506816 3 rtl8192ce,rtl8192c_common,rtlwifi
snd 78855 16 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
sparse_keymap 13890 0
uvcvideo 72627 0
videodev 98259 1 uvcvideo
v4l2_compat_ioctl32 17128 1 videodev
mac_hid 13253 0
mei 41616 0
wmi 19256 0
soundcore 15091 1 snd
i915 472941 3
snd_page_alloc 18529 2 snd_hda_intel,snd_pcm
drm_kms_helper 46978 1 i915
cfg80211 205544 2 rtlwifi,mac80211
drm 242038 4 i915,drm_kms_helper
i2c_algo_bit 13423 1 i915
video 19596 1 i915
lp 17799 0
parport 46562 3 parport_pc,ppdev,lp
r8169 62099 0
ums_realtek 18248 0
uas 18180 0
usb_storage 49198 1 ums_realtek
dmesg | grep 固件
[ 15.692951] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 16.240881] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 452.419288] rtl8192c_common:rtl92c_firmware_selfreset(): 8051 reset fail.
[ 458.572211] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 465.440640] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 472.337617] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 479.175471] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 485.978582] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 492.764893] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 499.579348] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 506.386934] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 513.209545] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 519.991365] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 526.778375] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 533.629695] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 540.426004] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 547.238125] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 554.024434] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 560.854794] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 567.678160] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 574.494666] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 581.336653] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 588.157710] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 595.221122] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 602.047429] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 608.829534] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 615.639079] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 622.454991] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 629.273231] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 636.056613] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 642.858096] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 649.640753] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 657.184094] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 664.008018] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 670.838639] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 677.675418] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 684.507255] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 691.310994] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 698.095325] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 704.914509] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
[ 711.725178] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin
uname -r
3.2.0-29-generic
是否配置
eth0 Link encap:Ethernet HWaddr 4c:72:b9:59:6c:61
inet addr:192.168.0.11 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::4e72:b9ff:fe59:6c61/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:4447 errors:0 dropped:0 overruns:0 frame:0
TX packets:2762 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:3671147 (3.6 MB) TX bytes:335133 (335.1 KB)
Interrupt:42 Base address:0x2000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:515 errors:0 dropped:0 overruns:0 frame:0
TX packets:515 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:83153 (83.1 KB) TX bytes:83153 (83.1 KB)
wlan0 Link encap:Ethernet HWaddr 74:e5:43:32:47:95
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:280 errors:0 dropped:0 overruns:0 frame:0
TX packets:51 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:32958 (32.9 KB) TX bytes:10431 (10.4 KB)
答案1
答案2
我想确认我尝试了此页面上的说明并且它有效。不幸的是，固件文件/lib/固件/rtlwifi/rtl8192cfwU_B.binUbuntu 12.04 中没有。12.10 (Quantal) 中提供了此功能，目前为测试版。修补 compat-wireless 并安装后，只需下载 Quantal 版本的 linux-firmware.deb 并执行以下操作：
dpkg-deb -x linux-firmware_1.94_all.deb
在 tmp 目录中，它将提取 lib/firmware/rtlwifi/ 等。只需将 bin 文件放入 /lib/firmware/rlwifi，然后 modprobe -rv rtl8192ce，以卸载模块，然后 modprobe rtl8192ce，以重新加载。
dmesg应该有一行写着：
rtl8192ce: 使用固件 rtlwifi/rtl8192cfwU_B.bin
我还没有尝试过 quantal 12.10，但我怀疑它会在该版本中得到修复。在此之前，SuSE 帖子建议手动修补 compat-wireless。