Same issue here on a Toshiba C850 using Realtek rtl_92* driver. WLAN won't 
connect consistently, and when it does it drops after a minute.
Info:

sudo lspci -v 
00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family 
DRAM Controller (rev 09) 
        Subsystem: Toshiba America Info Systems Device ff1e 
        Flags: bus master, fast devsel, latency 0 
        Capabilities: [e0] Vendor Specific Information: Len=0c <?> 
 
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200/2nd Generation Core 
Processor Family PCI Express Root Port (rev 09) (prog-if 00 [Normal decode]) 
        Flags: bus master, fast devsel, latency 0 
        Bus: primary=00, secondary=01, subordinate=06, sec-latency=0 
        I/O behind bridge: 00004000-00004fff 
        Memory behind bridge: c0000000-c0ffffff 
        Prefetchable memory behind bridge: 00000000b0000000-00000000bfffffff 
        Capabilities: [88] Subsystem: Toshiba America Info Systems Device ff1e 
        Capabilities: [80] Power Management version 3 
        Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- 
        Capabilities: [a0] Express Root Port (Slot+), MSI 00 
        Capabilities: [100] Virtual Channel 
        Capabilities: [140] Root Complex Link 
        Kernel driver in use: pcieport 
        Kernel modules: shpchp 
 
00:14.0 USB controller: Intel Corporation Panther Point USB xHCI Host 
Controller (rev 04) (prog-if 30 [XHCI]) 
        Subsystem: Toshiba America Info Systems Device ff1e 
        Flags: bus master, medium devsel, latency 0, IRQ 42 
        Memory at c1200000 (64-bit, non-prefetchable) [size=64K] 
        Capabilities: [70] Power Management version 2 
        Capabilities: [80] MSI: Enable+ Count=1/8 Maskable- 64bit+ 
        Kernel driver in use: xhci_hcd 
 
00:16.0 Communication controller: Intel Corporation Panther Point MEI 
Controller #1 (rev 04) 
        Subsystem: Toshiba America Info Systems Device ff1e 
        Flags: bus master, fast devsel, latency 0, IRQ 43 
        Memory at c1214000 (64-bit, non-prefetchable) [size=16] 
        Capabilities: [50] Power Management version 3 
        Capabilities: [8c] MSI: Enable+ Count=1/1 Maskable- 64bit+ 
        Kernel driver in use: mei 
        Kernel modules: mei 
 
00:1a.0 USB controller: Intel Corporation Panther Point USB Enhanced Host 
Controller #2 (rev 04) (prog-if 20 [EHCI]) 
        Subsystem: Toshiba America Info Systems Device ff1e 
        Flags: bus master, medium devsel, latency 0, IRQ 16 
        Memory at c1219000 (32-bit, non-prefetchable) [size=1K] 
        Capabilities: [50] Power Management version 2 
        Capabilities: [58] Debug port: BAR=1 offset=00a0 
        Capabilities: [98] PCI Advanced Features 
        Kernel driver in use: ehci_hcd 
 
00:1b.0 Audio device: Intel Corporation Panther Point High Definition Audio 
Controller (rev 04) 
        Subsystem: Toshiba America Info Systems Device ff1e 
        Flags: bus master, fast devsel, latency 0, IRQ 44 
        Memory at c1210000 (64-bit, non-prefetchable) [size=16K] 
        Capabilities: [50] Power Management version 2 
        Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+ 
        Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00 
        Capabilities: [100] Virtual Channel 
        Capabilities: [130] Root Complex Link 
        Kernel driver in use: snd_hda_intel 
        Kernel modules: snd-hda-intel 
 
00:1c.0 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 1 
(rev c4) (prog-if 00 [Normal decode]) 
        Flags: bus master, fast devsel, latency 0 
        Bus: primary=00, secondary=07, subordinate=07, sec-latency=0 
        I/O behind bridge: 00003000-00003fff 
        Memory behind bridge: c1100000-c11fffff 
        Capabilities: [40] Express Root Port (Slot+), MSI 00 
        Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit- 
        Capabilities: [90] Subsystem: Toshiba America Info Systems Device ff1e 
        Capabilities: [a0] Power Management version 2 
        Kernel driver in use: pcieport 
        Kernel modules: shpchp 
 
00:1c.1 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 2 
(rev c4) (prog-if 00 [Normal decode]) 
        Flags: bus master, fast devsel, latency 0 
        Bus: primary=00, secondary=08, subordinate=08, sec-latency=0 
        I/O behind bridge: 00002000-00002fff 
        Memory behind bridge: c1000000-c10fffff 
        Capabilities: [40] Express Root Port (Slot+), MSI 00 
        Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit- 
        Capabilities: [90] Subsystem: Toshiba America Info Systems Device ff1e 
        Capabilities: [a0] Power Management version 2 
        Kernel driver in use: pcieport 
        Kernel modules: shpchp 
 
00:1d.0 USB controller: Intel Corporation Panther Point USB Enhanced Host 
Controller #1 (rev 04) (prog-if 20 [EHCI]) 
        Subsystem: Toshiba America Info Systems Device ff1e 
        Flags: bus master, medium devsel, latency 0, IRQ 23 
        Memory at c1218000 (32-bit, non-prefetchable) [size=1K] 
        Capabilities: [50] Power Management version 2 
        Capabilities: [58] Debug port: BAR=1 offset=00a0 
        Capabilities: [98] PCI Advanced Features 
        Kernel driver in use: ehci_hcd 
 
00:1f.0 ISA bridge: Intel Corporation Panther Point LPC Controller (rev 04) 
        Subsystem: Toshiba America Info Systems Device ff1e 
        Flags: bus master, medium devsel, latency 0 
        Capabilities: [e0] Vendor Specific Information: Len=0c <?> 
        Kernel modules: iTCO_wdt 
 
00:1f.2 SATA controller: Intel Corporation Panther Point 6 port SATA Controller 
[AHCI mode] (rev 04) (prog-if 01 [AHCI 1.0]) 
        Subsystem: Toshiba America Info Systems Device ff1e 
        Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 41 
        I/O ports at 5048 [size=8] 
        I/O ports at 5054 [size=4] 
        I/O ports at 5040 [size=8] 
        I/O ports at 5050 [size=4] 
        I/O ports at 5020 [size=32] 
        Memory at c1217000 (32-bit, non-prefetchable) [size=2K] 
        Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit- 
        Capabilities: [70] Power Management version 3 
        Capabilities: [a8] SATA HBA v1.0 
        Capabilities: [b0] PCI Advanced Features 
        Kernel driver in use: ahci 
 
00:1f.3 SMBus: Intel Corporation Panther Point SMBus Controller (rev 04) 
        Subsystem: Toshiba America Info Systems Device ff1e 
        Flags: medium devsel, IRQ 10 
        Memory at c1215000 (64-bit, non-prefetchable) [size=256] 
        I/O ports at 5000 [size=32] 
        Kernel modules: i2c-i801 
 
01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI 
Whistler LE [AMD Radeon HD 6625M Graphics] (prog-if 00 [VGA controller]) 
        Subsystem: Toshiba America Info Systems Device fb22 
        Flags: bus master, fast devsel, latency 0, IRQ 46 
        Memory at b0000000 (64-bit, prefetchable) [size=256M] 
        Memory at c0000000 (64-bit, non-prefetchable) [size=128K] 
        I/O ports at 4000 [size=256] 
        Expansion ROM at c0040000 [disabled] [size=128K] 
        Capabilities: [50] Power Management version 3 
        Capabilities: [58] Express Legacy Endpoint, MSI 00 
        Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+ 
        Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 
<?> 
        Capabilities: [150] Advanced Error Reporting 
        Kernel driver in use: fglrx_pci 
        Kernel modules: fglrx, fglrx_updates, radeon 
 
01:00.1 Audio device: Advanced Micro Devices [AMD] nee ATI Turks HDMI Audio 
[Radeon HD 6000 Series] 
        Subsystem: Toshiba America Info Systems Device ff1e 
        Flags: bus master, fast devsel, latency 0, IRQ 45 
        Memory at c0020000 (64-bit, non-prefetchable) [size=16K] 
        Capabilities: [50] Power Management version 3 
        Capabilities: [58] Express Legacy Endpoint, MSI 00 
        Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+ 
        Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 
<?> 
        Capabilities: [150] Advanced Error Reporting 
        Kernel driver in use: snd_hda_intel 
        Kernel modules: snd-hda-intel 
 
07:00.0 Ethernet controller: Atheros Communications Inc. AR8162 Fast Ethernet 
(rev 10) 
        Subsystem: Toshiba America Info Systems Device ff1e 
        Flags: bus master, fast devsel, latency 0, IRQ 7 
        Memory at c1100000 (64-bit, non-prefetchable) [size=256K] 
        I/O ports at 3000 [size=128] 
        Capabilities: [40] Power Management version 3 
        Capabilities: [58] Express Endpoint, MSI 00 
        Capabilities: [c0] MSI: Enable- Count=1/16 Maskable+ 64bit+ 
        Capabilities: [d8] MSI-X: Enable- Count=16 Masked- 
        Capabilities: [100] Advanced Error Reporting 
        Capabilities: [180] Device Serial Number ff-0e-83-0b-00-26-6c-ff 
 
08:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188CE 
802.11b/g/n WiFi Adapter (rev 01) 
        Subsystem: Realtek Semiconductor Co., Ltd. Device 8212 
        Flags: bus master, fast devsel, latency 0, IRQ 17 
        I/O ports at 2000 [size=256] 
        Memory at c1000000 (64-bit, non-prefetchable) [size=16K] 
        Capabilities: [40] Power Management version 3 
        Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+ 
        Capabilities: [70] Express Endpoint, MSI 00 
        Capabilities: [100] Advanced Error Reporting 
        Capabilities: [140] Virtual Channel 
        Capabilities: [160] Device Serial Number 01-91-81-fe-ff-4c-e0-00 
        Kernel driver in use: rtl8192ce 
        Kernel modules: rtl8192ce 


 sudo modinfo rtl8192ce 
filename:       /lib/modules/3.2.0-26-generic/updates/cw-3.3/rtl8192ce.ko 
firmware:       rtlwifi/rtl8192cfwU_B.bin 
firmware:       rtlwifi/rtl8192cfwU.bin 
firmware:       rtlwifi/rtl8192cfw.bin 
description:    Realtek 8192C/8188C 802.11n PCI wireless 
license:        GPL 
author:         Larry Finger    <larry.fin...@lwfinger.net> 
author:         Realtek WlanFAE <wlan...@realtek.com> 
author:         lizhaoming      <chaoming...@realsil.com.cn> 
srcversion:     A065A94A6682C70D00CDAE7 
alias:          pci:v000010ECd00008176sv*sd*bc*sc*i* 
alias:          pci:v000010ECd00008177sv*sd*bc*sc*i* 
alias:          pci:v000010ECd00008178sv*sd*bc*sc*i* 
alias:          pci:v000010ECd00008191sv*sd*bc*sc*i* 
depends:        rtlwifi,rtl8192c-common,mac80211 
vermagic:       3.2.0-26-generic SMP mod_unload modversions  
parm:           swenc:Set to 1 for software crypto (default 0) 
 (bool) 
parm:           ips:Set to 0 to not use link power save (default 1) 
 (bool) 
parm:           swlps:Set to 1 to use SW control power save (default 0) 
 (bool) 
parm:           fwlps:Set to 1 to use FW control power save (default 1) 
 (bool) 
parm:           debug:Set debug level (0-5) (default 0) (int)

-- 
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/902557

Title:
  Wireless not working in 12.04 for rtl8192ce (RTL8188CE)

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/902557/+subscriptions

-- 
ubuntu-bugs mailing list
ubuntu-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs

Reply via email to