Hi Brad,
I don't know what happened exactly but there's something that break wifi
connectivity with newest kernel versions.
For example with other hardware:
*-network
description: Wireless interface
product: WiFi Link 5100
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlan0
version: 00
serial: 00:21:5d:ec:ac:14
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical
wireless
configuration: broadcast=yes driver=iwlwifi
driverversion=3.5.0-25-generic firmware=8.83.5.1 build 33692 ip=192.168.90.101
latency=0 link=yes multicast=yes wireless=IEEE 802.11abgn
resources: irq:45 memory:febfe000-febfffff
Distributor ID: Ubuntu
Description: Ubuntu 12.10
Release: 12.10
Codename: quantal
It's impossible to use the wifi under kernel: 3.5.0-27.46, 3.5.0-28.48. As you
can see on the logs:
May 9 12:40:53 luna wpa_supplicant[1409]: wlan0: SME: Trying to authenticate
with XX:XX:XX:XX:XX:XX (SSID='Octi' freq=2472 MHz)
May 9 12:40:53 luna kernel: [ 35.781358] wlan0: authenticate with
XX:XX:XX:XX:XX:XX
May 9 12:40:53 luna kernel: [ 35.784947] iwlwifi 0000:03:00.0: Microcode SW
error detected. Restarting 0x2000000.
May 9 12:40:53 luna kernel: [ 35.784954] iwlwifi 0000:03:00.0: CSR values:
May 9 12:40:53 luna kernel: [ 35.784958] iwlwifi 0000:03:00.0: (2nd byte of
CSR_INT_COALESCING is CSR_INT_PERIODIC_REG)
May 9 12:40:53 luna kernel: [ 35.784965] iwlwifi 0000:03:00.0:
CSR_HW_IF_CONFIG_REG: 0X00488704
May 9 12:40:53 luna kernel: [ 35.784972] iwlwifi 0000:03:00.0:
CSR_INT_COALESCING: 0X0000ff40
May 9 12:40:53 luna kernel: [ 35.784978] iwlwifi 0000:03:00.0:
CSR_INT: 0X00000000
May 9 12:40:53 luna kernel: [ 35.784985] iwlwifi 0000:03:00.0:
CSR_INT_MASK: 0X00000000
May 9 12:40:53 luna kernel: [ 35.784992] iwlwifi 0000:03:00.0:
CSR_FH_INT_STATUS: 0X00000000
May 9 12:40:53 luna kernel: [ 35.784998] iwlwifi 0000:03:00.0:
CSR_GPIO_IN: 0X00000000
May 9 12:40:53 luna kernel: [ 35.785005] iwlwifi 0000:03:00.0:
CSR_RESET: 0X00000000
May 9 12:40:53 luna kernel: [ 35.785011] iwlwifi 0000:03:00.0:
CSR_GP_CNTRL: 0X080403c5
May 9 12:40:53 luna kernel: [ 35.785018] iwlwifi 0000:03:00.0:
CSR_HW_REV: 0X00000054
May 9 12:40:53 luna kernel: [ 35.785025] iwlwifi 0000:03:00.0:
CSR_EEPROM_REG: 0X00000000
May 9 12:40:53 luna kernel: [ 35.785031] iwlwifi 0000:03:00.0:
CSR_EEPROM_GP: 0X90000004
May 9 12:40:53 luna kernel: [ 35.785038] iwlwifi 0000:03:00.0:
CSR_OTP_GP_REG: 0X00060000
May 9 12:40:53 luna kernel: [ 35.785044] iwlwifi 0000:03:00.0:
CSR_GIO_REG: 0X00080044
May 9 12:40:53 luna kernel: [ 35.785051] iwlwifi 0000:03:00.0:
CSR_GP_UCODE_REG: 0X000007b8
May 9 12:40:53 luna kernel: [ 35.785058] iwlwifi 0000:03:00.0:
CSR_GP_DRIVER_REG: 0X00000000
May 9 12:40:53 luna kernel: [ 35.785064] iwlwifi 0000:03:00.0:
CSR_UCODE_DRV_GP1: 0X00000000
May 9 12:40:53 luna kernel: [ 35.785071] iwlwifi 0000:03:00.0:
CSR_UCODE_DRV_GP2: 0X00000000
May 9 12:40:53 luna kernel: [ 35.785077] iwlwifi 0000:03:00.0:
CSR_LED_REG: 0X00000058
May 9 12:40:53 luna kernel: [ 35.785084] iwlwifi 0000:03:00.0:
CSR_DRAM_INT_TBL_REG: 0X8806ff2b
May 9 12:40:53 luna kernel: [ 35.785091] iwlwifi 0000:03:00.0:
CSR_GIO_CHICKEN_BITS: 0X27800200
May 9 12:40:53 luna kernel: [ 35.785097] iwlwifi 0000:03:00.0:
CSR_ANA_PLL_CFG: 0X00880300
May 9 12:40:53 luna kernel: [ 35.785104] iwlwifi 0000:03:00.0:
CSR_HW_REV_WA_REG: 0X0001001a
May 9 12:40:53 luna kernel: [ 35.785111] iwlwifi 0000:03:00.0:
CSR_DBG_HPET_MEM_REG: 0Xffff0000
May 9 12:40:53 luna kernel: [ 35.785114] iwlwifi 0000:03:00.0: FH register
values:
May 9 12:40:53 luna kernel: [ 35.785131] iwlwifi 0000:03:00.0:
FH_RSCSR_CHNL0_STTS_WPTR_REG: 0X07307000
May 9 12:40:53 luna kernel: [ 35.785146] iwlwifi 0000:03:00.0:
FH_RSCSR_CHNL0_RBDCB_BASE_REG: 0X0072b7d0
May 9 12:40:53 luna kernel: [ 35.785161] iwlwifi 0000:03:00.0:
FH_RSCSR_CHNL0_WPTR: 0X00000058
May 9 12:40:53 luna kernel: [ 35.785176] iwlwifi 0000:03:00.0:
FH_MEM_RCSR_CHNL0_CONFIG_REG: 0X80811104
May 9 12:40:53 luna kernel: [ 35.785191] iwlwifi 0000:03:00.0:
FH_MEM_RSSR_SHARED_CTRL_REG: 0X000000fc
May 9 12:40:53 luna kernel: [ 35.785206] iwlwifi 0000:03:00.0:
FH_MEM_RSSR_RX_STATUS_REG: 0X07030000
May 9 12:40:53 luna kernel: [ 35.785221] iwlwifi 0000:03:00.0:
FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV: 0X00000000
May 9 12:40:53 luna kernel: [ 35.785237] iwlwifi 0000:03:00.0:
FH_TSSR_TX_STATUS_REG: 0X07ff0001
May 9 12:40:53 luna kernel: [ 35.785252] iwlwifi 0000:03:00.0:
FH_TSSR_TX_ERROR_REG: 0X00000000
May 9 12:40:53 luna kernel: [ 35.785256] iwlwifi 0000:03:00.0: Loaded
firmware version: 8.83.5.1 build 33692
May 9 12:40:53 luna kernel: [ 35.785371] iwlwifi 0000:03:00.0: Start IWL
Error Log Dump:
May 9 12:40:53 luna kernel: [ 35.785375] iwlwifi 0000:03:00.0: Status:
0x0000004C, count: 5
May 9 12:40:53 luna kernel: [ 35.785379] iwlwifi 0000:03:00.0: 0x00000005 |
SYSASSERT
May 9 12:40:53 luna kernel: [ 35.785383] iwlwifi 0000:03:00.0: 0x0001DFB0 |
uPc
May 9 12:40:53 luna kernel: [ 35.785386] iwlwifi 0000:03:00.0: 0x0001DF94 |
branchlink1
May 9 12:40:53 luna kernel: [ 35.785390] iwlwifi 0000:03:00.0: 0x0001DF94 |
branchlink2
May 9 12:40:53 luna kernel: [ 35.785393] iwlwifi 0000:03:00.0: 0x00000916 |
interruptlink1
May 9 12:40:53 luna kernel: [ 35.785397] iwlwifi 0000:03:00.0: 0x00000000 |
interruptlink2
May 9 12:40:53 luna kernel: [ 35.785400] iwlwifi 0000:03:00.0: 0x000001FB |
data1
May 9 12:40:53 luna kernel: [ 35.785403] iwlwifi 0000:03:00.0: 0x00000009 |
data2
May 9 12:40:53 luna kernel: [ 35.785407] iwlwifi 0000:03:00.0: 0x000001FB |
line
May 9 12:40:53 luna kernel: [ 35.785410] iwlwifi 0000:03:00.0: 0x00018265 |
beacon time
May 9 12:40:53 luna kernel: [ 35.785414] iwlwifi 0000:03:00.0: 0x00000D9B |
tsf low
May 9 12:40:53 luna kernel: [ 35.785417] iwlwifi 0000:03:00.0: 0x00000000 |
tsf hi
May 9 12:40:53 luna kernel: [ 35.785421] iwlwifi 0000:03:00.0: 0x00000000 |
time gp1
May 9 12:40:53 luna kernel: [ 35.785424] iwlwifi 0000:03:00.0: 0x006326D9 |
time gp2
May 9 12:40:53 luna kernel: [ 35.785428] iwlwifi 0000:03:00.0: 0x00000000 |
time gp3
May 9 12:40:53 luna kernel: [ 35.785431] iwlwifi 0000:03:00.0: 0x00010853 |
uCode version
May 9 12:40:53 luna kernel: [ 35.785435] iwlwifi 0000:03:00.0: 0x00000054 |
hw version
May 9 12:40:53 luna kernel: [ 35.785438] iwlwifi 0000:03:00.0: 0x00488704 |
board version
May 9 12:40:53 luna kernel: [ 35.785442] iwlwifi 0000:03:00.0: 0x04280010 |
hcmd
May 9 12:40:53 luna kernel: [ 35.785445] iwlwifi 0000:03:00.0: 0x00022080 |
isr0
May 9 12:40:53 luna kernel: [ 35.785448] iwlwifi 0000:03:00.0: 0x0103E000 |
isr1
May 9 12:40:53 luna kernel: [ 35.785452] iwlwifi 0000:03:00.0: 0x00000002 |
isr2
May 9 12:40:53 luna kernel: [ 35.785455] iwlwifi 0000:03:00.0: 0x0041FCC0 |
isr3
May 9 12:40:53 luna kernel: [ 35.785459] iwlwifi 0000:03:00.0: 0x01000112 |
isr4
May 9 12:40:53 luna kernel: [ 35.785462] iwlwifi 0000:03:00.0: 0x00017D3C |
isr_pref
May 9 12:40:53 luna kernel: [ 35.785466] iwlwifi 0000:03:00.0: 0x00000050 |
wait_event
May 9 12:40:53 luna kernel: [ 35.785469] iwlwifi 0000:03:00.0: 0x0000003C |
l2p_control
May 9 12:40:53 luna kernel: [ 35.785473] iwlwifi 0000:03:00.0: 0x0000003F |
l2p_duration
May 9 12:40:53 luna kernel: [ 35.785477] iwlwifi 0000:03:00.0: 0x00101040 |
l2p_mhvalid
May 9 12:40:53 luna kernel: [ 35.785480] iwlwifi 0000:03:00.0: 0x00000005 |
l2p_addr_match
May 9 12:40:53 luna kernel: [ 35.785483] iwlwifi 0000:03:00.0: 0x02121704 |
lmpm_pmg_sel
May 9 12:40:53 luna kernel: [ 35.785487] iwlwifi 0000:03:00.0: 0x00005868 |
timestamp
May 9 12:40:53 luna kernel: [ 35.785491] iwlwifi 0000:03:00.0: 0x00000100 |
flow_handler
May 9 12:40:53 luna kernel: [ 35.785545] iwlwifi 0000:03:00.0: Start IWL
Event Log Dump: display last 20 entries
May 9 12:40:53 luna kernel: [ 35.785565] iwlwifi 0000:03:00.0:
EVT_LOGT:0006494688:0x00000005:0484
May 9 12:40:53 luna kernel: [ 35.785578] iwlwifi 0000:03:00.0:
EVT_LOGT:0006494692:0x00000006:0484
May 9 12:40:53 luna kernel: [ 35.785590] iwlwifi 0000:03:00.0:
EVT_LOGT:0006494697:0x00000007:0484
May 9 12:40:53 luna kernel: [ 35.785603] iwlwifi 0000:03:00.0:
EVT_LOGT:0006494701:0x00000008:0484
May 9 12:40:53 luna kernel: [ 35.785615] iwlwifi 0000:03:00.0:
EVT_LOGT:0006494706:0x0000000d:0484
May 9 12:40:53 luna kernel: [ 35.785627] iwlwifi 0000:03:00.0:
EVT_LOGT:0006494711:0x0000000e:0484
May 9 12:40:53 luna kernel: [ 35.785640] iwlwifi 0000:03:00.0:
EVT_LOGT:0006494715:0x0000000f:0484
May 9 12:40:53 luna kernel: [ 35.785652] iwlwifi 0000:03:00.0:
EVT_LOGT:0006494719:0x00000010:0484
May 9 12:40:53 luna kernel: [ 35.785665] iwlwifi 0000:03:00.0:
EVT_LOGT:0006494725:0x00000015:0484
May 9 12:40:53 luna kernel: [ 35.785677] iwlwifi 0000:03:00.0:
EVT_LOGT:0006494729:0x00000016:0484
May 9 12:40:53 luna kernel: [ 35.785690] iwlwifi 0000:03:00.0:
EVT_LOGT:0006494733:0x00000017:0484
May 9 12:40:53 luna kernel: [ 35.785702] iwlwifi 0000:03:00.0:
EVT_LOGT:0006494738:0x00000018:0484
May 9 12:40:53 luna kernel: [ 35.785714] iwlwifi 0000:03:00.0:
EVT_LOGT:0006494742:0x00000019:0484
May 9 12:40:53 luna kernel: [ 35.785727] iwlwifi 0000:03:00.0:
EVT_LOGT:0006494749:0x00000000:0651
May 9 12:40:53 luna kernel: [ 35.785739] iwlwifi 0000:03:00.0:
EVT_LOGT:0006497656:0x04250018:0401
May 9 12:40:53 luna kernel: [ 35.785752] iwlwifi 0000:03:00.0:
EVT_LOGT:0006497728:0x0426004e:0401
May 9 12:40:53 luna kernel: [ 35.785764] iwlwifi 0000:03:00.0:
EVT_LOGT:0006497993:0x04270048:0401
May 9 12:40:53 luna kernel: [ 35.785777] iwlwifi 0000:03:00.0:
EVT_LOGT:0006498003:0x04280010:0401
May 9 12:40:53 luna kernel: [ 35.785789] iwlwifi 0000:03:00.0:
EVT_LOGT:0006498005:0x0000000d:0451
May 9 12:40:53 luna kernel: [ 35.785802] iwlwifi 0000:03:00.0:
EVT_LOGT:0006498014:0x00000000:0125
May 9 12:40:55 luna kernel: [ 37.784053] iwlwifi 0000:03:00.0: Error sending
REPLY_RXON: time out after 2000ms.
May 9 12:40:55 luna kernel: [ 37.784061] iwlwifi 0000:03:00.0: Current CMD
queue read_ptr 40 write_ptr 41
May 9 12:40:55 luna kernel: [ 37.784066] iwlwifi 0000:03:00.0: Error
clearing ASSOC_MSK on BSS (-110)
May 9 12:40:57 luna wpa_supplicant[1409]: wlan0: SME: Authentication request
to the driver failed
May 9 12:40:57 luna kernel: [ 39.784053] iwlwifi 0000:03:00.0: Error sending
REPLY_ADD_STA: time out after 2000ms.
May 9 12:40:57 luna kernel: [ 39.784060] iwlwifi 0000:03:00.0: Current CMD
queue read_ptr 40 write_ptr 42
May 9 12:40:57 luna kernel: [ 39.784065] iwlwifi 0000:03:00.0: Adding
station XX:XX:XX:XX:XX:XX failed.
May 9 12:40:57 luna kernel: [ 39.784070] iwlwifi 0000:03:00.0: Unable to add
station XX:XX:XX:XX:XX:XX (-110)
May 9 12:40:57 luna kernel: [ 39.784078] wlan0: failed to insert STA entry
for the AP (error -110)
May 9 12:40:57 luna kernel: [ 39.785397] ieee80211 phy0: Hardware restart
was requested
May 9 12:40:57 luna kernel: [ 39.785455] iwlwifi 0000:03:00.0: L1 Disabled;
Enabling L0S
May 9 12:40:57 luna NetworkManager[1337]: <info> (wlan0): supplicant interface
state: scanning -> disconnected
This issue is not present on kernel: 3.5.0-25.39
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https://bugs.launchpad.net/bugs/1176812
Title:
Regression caused by commit df88129
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