[N900] issues with wlan (now after reboot device warm/poor battery) - maemo.org

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sixwheeledbeast	07-25-2012 , 07:25 PM
Posts: 1,370 \| Thanked: 1,897 times \| Joined on Apr 2010 @ St. Helens, England	#1

Currently having trouble with the wlan on my N900 at the moment.
It has happened occasionally before but not for a good while.
Normally a reboot fixes, I assume it will this time; but wondering if anybody know why and if it's happened before?

The wlan is set to autoconnect. I locked and secured the N900 before entering a building with an AP I already setup.
Came back to it 2 hours later unlocked a there was a banner "Failed to connect, retry?"
From this point on it will not connect to any wlan connection, although 2G/3G is fine.

sudo ifconfig is missing wlan0 and wmaster.

Doing wlan0 up and wmaster0 up makes them appear in ifconfig again.
Although trying to connect to an AP makes wlan0 and wmaster0 disappear again.

It's not easy to get the full output of ifconfig pasted up here but if it's necessary I can do that.

lo and phonet0 output seems normal.

Thanks for any help in advance.

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Last edited by sixwheeledbeast; 07-29-2012 at 08:00 AM.

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	mrsellout	07-25-2012 , 07:34 PM
	Posts: 483 \| Thanked: 722 times \| Joined on Sep 2010 @ Manchester	#2

I've had similar symptoms to those you've experienced. Sometimes when I try to connect to a LAN, it fails then I get the "Failed to connect, retry?" dialogue, but a retry fails. I have 2 LANs and neither can be connected until I reboot.

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sixwheeledbeast	07-25-2012 , 07:37 PM
Posts: 1,370 \| Thanked: 1,897 times \| Joined on Apr 2010 @ St. Helens, England	#3

So I am not alone but why is it happening?

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reinob	07-26-2012 , 04:45 AM
Posts: 1,233 \| Thanked: 1,911 times \| Joined on Feb 2011 @ Germany	#4

any chance of installing syslog (package: "sysklogd") and posting the syslog somewhere, or just having a look by yourself in case you spot the problem?

although not as useful, you might want to run "dmesg" from the terminal when this happens, and see if it dumps anything that might seem relevant.

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sixwheeledbeast	07-26-2012 , 07:08 AM
Posts: 1,370 \| Thanked: 1,897 times \| Joined on Apr 2010 @ St. Helens, England	#5

Originally Posted by reinob

although not as useful, you might want to run "dmesg" from the terminal when this happens, and see if it dumps anything that might seem relevant.

Why didn't I think of that.

dmesg is repeating a message over and over.

Code:

ADDRCONF (NETDEV_UP): wlan0: link is not ready
wl1251: down
wl1251: 151 tx blocks at 0x3b788, 35 rx blocks at 0x3a780
wl1251: firmware booted ( rev4.0.4.3.7)

Ideas?

Last edited by sixwheeledbeast; 07-26-2012 at 07:11 AM.

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reinob	07-26-2012 , 07:39 AM
Posts: 1,233 \| Thanked: 1,911 times \| Joined on Feb 2011 @ Germany	#6

I suppose you're not using any autodisconnect-like program or special modules for the wlan are you?

One thing you could try is: next time the problem occurs, do, as root, "rmmod wl12xx" and then "modprobe wl12xx", and see if that solves the problem.

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sixwheeledbeast	07-26-2012 , 01:14 PM
Posts: 1,370 \| Thanked: 1,897 times \| Joined on Apr 2010 @ St. Helens, England	#7

the fault is still there, I am purposely trying to do without WLAN so I can help diagnose the problem. If I reboot it disappear and may not appear for another 3 months or more...

wifi switcher.
no autodisconnect installed ever.
Used wlan driver selecter applet, this had been uninstalled via HAM a long time ago.

tried rmmod and modprobe the wlan tries to connect but it doesn't make the issue change in anyway.
I suppose wifi switcher does the same thing and I have tried toggling that a couple of times too.

Last edited by sixwheeledbeast; 07-26-2012 at 04:31 PM.

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sixwheeledbeast	07-26-2012 , 03:54 PM
Posts: 1,370 \| Thanked: 1,897 times \| Joined on Apr 2010 @ St. Helens, England	#8

Seems there maybe a similar bug report.
https://bugs.maemo.org/show_bug.cgi?id=9101#c16

Possibly to do with power saving mode?
Disabled Power saving on my connection it didn't help.

The weird thing about this is it can see the AP in the connection manager but nothing else can see any connections (wifiinfo) etc.

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sixwheeledbeast	07-28-2012 , 01:46 PM
Posts: 1,370 \| Thanked: 1,897 times \| Joined on Apr 2010 @ St. Helens, England	#9

Anybody got any more ideas how diagnose/fix before I reboot?
Could do with wlan connection back.
Thanks

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sixwheeledbeast	07-29-2012 , 08:35 AM
Posts: 1,370 \| Thanked: 1,897 times \| Joined on Apr 2010 @ St. Helens, England	#10

Ok so I had to reboot as for some unknown reason the device locked up while searching in MyDocs with filebox.

Now since rebooting twice the device has been warm and battery life is poor (full charge used in 4 hours).
Looking at powertop i can see a stupid amount of hardware wake ups.
This has ever happened before so I am not sure if it's releted to the original issue.

Code:

$ uname -r
2.6.28.10-power50

Code:

$ sudo powertop
Powertop 1.13.3
status: Unknown job: pmtrackerdaemon
Sleeping for 11 seconds before sampling
Collecting data for 30 seconds
Sample interval was 00m 30s 90973us

C#      | Ratio  | Avg/dura | Frequency | Ratio
--------+--------+----------+-----------+--------+
     C0 |  51.7% |          |  1150 MHz |   nan% |
     C1 |   0.1% |    0.6ms | 
     C2 |   4.0% |    4.7ms | 
     C3 |  24.5% |   71.6ms | 
     C4 |  19.6% |   92.3ms | 

IRQ#    | Activity   | Type           | Name
--------+------------+----------------+---------------------------
     12 |       6322 |           INTC | DMA
     37 |       2127 |           INTC | gp
     86 |       1580 |           INTC | mmc1
     67 |        492 |           INTC | ssi_p1_mpu_irq0
     56 |        408 |           INTC | i2c_omap
    202 |        294 |           GPIO | wl1251
     11 |        255 |           INTC | prcm
     83 |        244 |           INTC | mmc0
     71 |        197 |           INTC | ssi_gdd
    311 |        194 |           GPIO | ssi_p1_cawake_gpio
    225 |        140 |           GPIO | omap2-onenand
     57 |         67 |           INTC | i2c_omap
     21 |         10 |           INTC | SGX

PID#    | Activity   | Name           | Function Entry (Expire)
--------+------------+----------------+---------------------------
      0 |       2029 |  &lt;kernel core&gt; | tick_nohz_restart_sched_tick (tick_sched_timer)
    613 |        125 |          mmcqd | cfq_completed_request (cfq_idle_slice_timer)
     38 |         86D|            awk | cpufreq_governor_dbs (delayed_work_timer_fn)
     15 |         79 |        kswapd0 | schedule_timeout (process_timeout)
   1382 |         35 | hildon-desktop | schedule_hrtimeout_range (hrtimer_wakeup)
    613 |         34 |          mmcqd | queue_delayed_work (delayed_work_timer_fn)
    580 |         20 |          mmcqd | queue_delayed_work (delayed_work_timer_fn)
   1810 |         17 |     osso-xterm | schedule_hrtimeout_range (hrtimer_wakeup)
    702 |         14 |           dsme | __enqueue_rt_entity (sched_rt_period_timer)
    750 |         14 |      bme_RX-51 | sys_timer_settime (posix_timer_fn)
      0 |         13 |  &lt;kernel core&gt; | hrtimer_start (tick_sched_timer)
   1843 |         13 |osso-addressboo | schedule_timeout (process_timeout)
   1850 |         10 |rtcom-messaging | schedule_timeout (process_timeout)
    580 |          7 |          mmcqd | schedule_timeout (process_timeout)
   1846 |          7 |  rtcom-call-ui | blk_plug_device (blk_unplug_timeout)
    750 |          6 |      bme_RX-51 | sys_timer_settime (posix_timer_fn)
    750 |          6 |      bme_RX-51 | schedule_timeout (process_timeout)
    613 |          6 |          mmcqd | schedule_timeout (process_timeout)
   1846 |          6 |  rtcom-call-ui | schedule_timeout (process_timeout)
   1068 |          5 |           Xorg | hrtimer_start (it_real_fn)
     15 |          5 |        kswapd0 | blk_plug_device (blk_unplug_timeout)
   1852 |          5 |  rtcom-call-ui | schedule_timeout (process_timeout)
      1 |          3D|  &lt;kernel core&gt; | queue_delayed_work (delayed_work_timer_fn)
   1852 |          3 |  rtcom-call-ui | blk_plug_device (blk_unplug_timeout)
     14 |          3 |        pdflush | schedule_timeout (process_timeout)
   1015 |          2 |       sgx_perf | queue_delayed_work (delayed_work_timer_fn)
    702 |          2 |           dsme | do_nanosleep (hrtimer_wakeup)
    730 |          2D|&lt;kernel module&gt; | queue_delayed_work (delayed_work_timer_fn)
    750 |          2 |      bme_RX-51 | do_nanosleep (hrtimer_wakeup)
    957 |          2 |           ohmd | schedule_hrtimeout_range (hrtimer_wakeup)
   1850 |          2 |rtcom-messaging | blk_plug_device (blk_unplug_timeout)
   1863 |          2 |       browserd | futex_wait (hrtimer_wakeup)
   1068 |          1 |           Xorg | queue_delayed_work (delayed_work_timer_fn)
   1373 |          1 |hildon-status-m | schedule_hrtimeout_range (hrtimer_wakeup)
      0 |          1 |  &lt;kernel core&gt; | addrconf_verify (addrconf_verify)
    993 |          1 |            mce | schedule_hrtimeout_range (hrtimer_wakeup)
    580 |          1 |          mmcqd | schedule_timeout (process_timeout)
   1846 |          1 |  rtcom-call-ui | schedule_timeout (process_timeout)
   1849 |          1 |    dbus-daemon | schedule_timeout (process_timeout)
   1847 |          1 |e-addressbook-f | futex_wait (hrtimer_wakeup)
   1850 |          1 |rtcom-messaging | schedule_timeout (process_timeout)
   1851 |          1 |e-addressbook-f | futex_wait (hrtimer_wakeup)
    984 |          1 |            csd | schedule_hrtimeout_range (hrtimer_wakeup)
    580 |          1 |          mmcqd | laptop_io_completion (laptop_timer_fn)
   1117 |          1 | hald-addon-bme | schedule_hrtimeout_range (hrtimer_wakeup)
     14 |          1 |        pdflush | schedule_timeout (process_timeout)
   1852 |          1 |  rtcom-call-ui | schedule_timeout (process_timeout)
     14 |          1 |        pdflush | blk_plug_device (blk_unplug_timeout)
   1339 |          1 |          iphbd | schedule_hrtimeout_range (hrtimer_wakeup)
   1856 |          1 |e-addressbook-f | futex_wait (hrtimer_wakeup)
   1858 |          1 |osso-addressboo | schedule_timeout (process_timeout)
   1858 |          1 |osso-addressboo | blk_plug_device (blk_unplug_timeout)
   1860 |          1 |e-addressbook-f | futex_wait (hrtimer_wakeup)
   1859 |          1 |e-addressbook-f | futex_wait (hrtimer_wakeup)
   1852 |          1 |  rtcom-call-ui | ubifs_wbuf_write_nolock (wbuf_timer_callback_nolock)
   1854 |          1 |       browserd | journal_get_write_access (commit_timeout)
     14 |          1 |        pdflush | ubifs_wbuf_write_nolock (wbuf_timer_callback_nolock)
   1381 |          1 |    hildon-home | queue_delayed_work (delayed_work_timer_fn)
   1838 |          1 |       powertop | do_nanosleep (hrtimer_wakeup)

Power domain activity breakdown
Domain  | % of time spent in states
--------+---------+---------+---------+---------+----------
usbhost |OFF: 100%|RET:   0%|INA:   0%| ON:   0%| now:(OFF)
    sgx |OFF:  97%|RET:   0%|INA:   0%| ON:   2%| now:(OFF)
    per |OFF:  43%|RET:   4%|INA:   0%| ON:  51%| now:(ON)
    dss |OFF: 100%|RET:   0%|INA:   0%| ON:   0%| now:(OFF)
    cam |OFF: 100%|RET:   0%|INA:   0%| ON:   0%| now:(OFF)
   core |OFF:  19%|RET:  23%|INA:   2%| ON:  54%| now:(ON)
   neon |OFF:  19%|RET:  24%|INA:   3%| ON:  51%| now:(ON)
    mpu |OFF:  19%|RET:  24%|INA:   3%| ON:  51%| now:(ON)
   iva2 |OFF: 100%|RET:   0%|INA:   0%| ON:   0%| now:(OFF)

Clock activity breakdown at end of period
Domain  | Active clocks
--------+---------------+---------------+------------------
   core |          SDRC | HSOTGUSB_IDLE |      OMAPCTRL 
        |     MAILBOXES |          MMC2 |
  core3 |       USBTLL
   wkup |          GPT1 |       32KSYNC |         GPIO1 
        |           SR1 |           SR2 |
  ckgen |          CORE |          PERI |           96M 
        |           48M |           12M |           54M 
        |      EMU_CORE |
    per |         GPIO2 |         GPIO3 |         GPIO4 
        |         GPIO5 |         GPIO6 |

Total wakeups  14922, 497.4/s | IRQ 12330, 411.0/s | Timers 2592,  86.4/s
HW wakeups      255,   8.5/s |     Real gp_timers expired   79,   2.6/s
~ $

Code:

[ 4745.442108] wlan0: associated
[ 4746.361053] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 4806.819976] wlan0: authenticate with AP 00:1e:e5:8e:c0:4a
[ 4807.359985] wlan0: authenticate with AP 00:14:bf:6f:19:2e
[ 4807.364593] wlan0: authenticated
[ 4807.364685] wlan0: associate with AP 00:14:bf:6f:19:2e
[ 4807.371246] wlan0: RX AssocResp from 00:14:bf:6f:19:2e (capab=0x471 status=0 aid=1)
[ 4807.371337] wlan0: associated
[ 4808.315582] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 4814.767272] wlan0: roaming signal from driver, sending HIGHSIGNAL
[ 4815.791290] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 4820.502197] wlan0: roaming signal from driver, sending HIGHSIGNAL
[ 4821.526275] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 4824.802703] wlan0: roaming signal from driver, sending HIGHSIGNAL
[ 4826.441162] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 4827.465423] wlan0: roaming signal from driver, sending HIGHSIGNAL
[ 4828.489471] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 4849.789306] wlan0: roaming signal from driver, sending HIGHSIGNAL
[ 4851.120605] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 4886.655151] wlan0: roaming signal from driver, sending HIGHSIGNAL
[ 4887.679199] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 4888.703002] wlan0: roaming signal from driver, sending HIGHSIGNAL
[ 4889.727294] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 4891.553955] wlan0: roaming signal from driver, sending HIGHSIGNAL
[ 4892.594390] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 4894.027984] wlan0: roaming signal from driver, sending HIGHSIGNAL
[ 4895.871337] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 4897.457519] wlan0: roaming signal from driver, sending HIGHSIGNAL
[ 4900.581939] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 4901.593292] wlan0: roaming signal from driver, sending HIGHSIGNAL
[ 4902.630157] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 4905.804870] wlan0: direct probe to AP 00:1e:e5:8e:c0:4a try 1
[ 4906.374664] wlan0: direct probe to AP 00:14:bf:6f:19:2e try 1
[ 4906.379180] wlan0 direct probe responded
[ 4906.379272] wlan0: authenticate with AP 00:14:bf:6f:19:2e
[ 4906.383575] wlan0: authenticated
[ 4906.383789] wlan0: associate with AP 00:14:bf:6f:19:2e
[ 4906.390258] wlan0: RX AssocResp from 00:14:bf:6f:19:2e (capab=0x471 status=0 aid=1)
[ 4906.390350] wlan0: associated
[ 4907.340850] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 4925.466430] wlan0: roaming signal from driver, sending HIGHSIGNAL
[ 4926.490447] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 4928.128662] wlan0: roaming signal from driver, sending HIGHSIGNAL
[ 4930.586425] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 4933.453948] wlan0: roaming signal from driver, sending HIGHSIGNAL
[ 4934.478302] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 4939.905395] wlan0: roaming signal from driver, sending HIGHSIGNAL
[ 4941.236816] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 4957.416839] wlan0: roaming signal from driver, sending HIGHSIGNAL
[ 4958.440582] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 4959.669219] wlan0: roaming signal from driver, sending HIGHSIGNAL
[ 4960.795715] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 5005.444213] wlan0: roaming signal from driver, sending HIGHSIGNAL
[ 5006.468292] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 5008.797912] wlan0: authenticate with AP 00:1e:e5:8e:c0:4a
[ 5009.382537] wlan0: direct probe to AP 00:14:bf:6f:19:2e try 1
[ 5009.387054] wlan0 direct probe responded
[ 5009.387145] wlan0: authenticate with AP 00:14:bf:6f:19:2e
[ 5009.391448] wlan0: authenticated
[ 5009.391662] wlan0: associate with AP 00:14:bf:6f:19:2e
[ 5009.398345] wlan0: RX AssocResp from 00:14:bf:6f:19:2e (capab=0x471 status=0 aid=1)
[ 5009.398437] wlan0: associated
[ 5010.359649] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 5027.461151] wlan0: roaming signal from driver, sending HIGHSIGNAL
[ 5029.261169] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 5042.924530] wlan0: roaming signal from driver, sending HIGHSIGNAL
[ 5044.767822] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 5105.851837] wlan0: authenticate with AP 00:1e:e5:8e:c0:4a
[ 5106.421203] wlan0: authenticate with AP 00:14:bf:6f:19:2e
[ 5106.425811] wlan0: authenticated
[ 5106.425903] wlan0: associate with AP 00:14:bf:6f:19:2e
[ 5106.432525] wlan0: RX AssocResp from 00:14:bf:6f:19:2e (capab=0x471 status=0 aid=1)
[ 5106.432586] wlan0: associated
[ 5107.443420] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 5146.352416] wlan0: roaming signal from driver, sending HIGHSIGNAL
[ 5147.376770] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 5147.595184] slide (GPIO 71) is now open
[ 5150.122772] wlan0: roaming signal from driver, sending HIGHSIGNAL
[ 5151.148406] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 5165.073608] wlan0: roaming signal from driver, sending HIGHSIGNAL
[ 5166.097717] wlan0: roaming signal from driver, sending LOWSIGNAL
[ 5168.032440] slide (GPIO 71) is now closed
[ 5168.789245] wlan0: direct probe to AP 00:1e:e5:8e:c0:4a try 1
[ 5169.323303] wlan0: authenticate with AP 00:14:bf:6f:19:2e
[ 5169.327087] wlan0: authenticated
[ 5169.327178] wlan0: associate with AP 00:14:bf:6f:19:2e
[ 5169.331481] wlan0: RX AssocResp from 00:14:bf:6f:19:2e (capab=0x471 status=0 aid=1)

Code:

$ sudo kernel-config show
current kernel configuration:
current frequency: 600
supported frequencies: 125 250 500 550 600 720 805 850 900 950 1000 1100 1150 
min. frequency: 125
max. frequency: 600
avoid frequencies: 
active frequencies: 125:22,90 250:25,180 500:37,360 550:39,400 600:42,430 720:60,520 805:60,520 850:60,520 900:60,520 950:60,520 1000:60,520 1100:72,520 1150:72,520 
SmartReflex VDD1=1, VDD2=1
governor ondemand: ignore nice load= 0, up threshold= 95, sampling rate= 300000, powersave bias= 0
~ $

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