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Beeswax	2013-09-14 , 16:35
Posts: 9 \| Thanked: 1 time \| Joined on Sep 2013	#1

The other day my N900 drained the battery to the point that it would no longer even charge it. I bought another one off eBay and not only did it take forever to charge over USB but it dropped from1000mah to 750mah in a little under 2 hours. I've been reading threads on here all day but I can't seem to use them to fix the problem.
Below is my output from powertop which as you can see has core at 100% on which I guess is my problem.

Code:

Powertop 1.13.3
Sleeping for 11 seconds before sampling
Collecting data for 30 seconds
Sample interval was 00m 30s 17883us

C#      | Ratio  | Avg/dura | Frequency | Ratio
--------+--------+----------+-----------+--------+
     C0 |   1.7% |          |  1150 MHz |   nan% |
     C1 |   0.1% |    2.2ms | 
     C2 |  19.6% |   58.2ms | 
     C3 |   2.3% |   99.9ms | 
     C4 |  76.3% | 2288.4ms | 

IRQ#    | Activity   | Type           | Name
--------+------------+----------------+---------------------------
     56 |        366 |           INTC | i2c_omap
     37 |        105 |           INTC | gp
     11 |         63 |           INTC | prcm
     57 |         58 |           INTC | i2c_omap
     86 |         42 |           INTC | mmc1
     12 |         13 |           INTC | DMA
    225 |          8 |           GPIO | omap2-onenand

PID#    | Activity   | Name           | Function Entry (Expire)
--------+------------+----------------+---------------------------
      0 |         73 |  <kernel core> | tick_nohz_restart_sched_tick (tick_sched_timer)
    740 |         18 |      bme_RX-51 | sys_timer_settime (posix_timer_fn)
     38 |         17D|            awk | cpufreq_governor_dbs (delayed_work_timer_fn)
      0 |         11 |  <kernel core> | hrtimer_start (tick_sched_timer)
    602 |          7 |          mmcqd | schedule_timeout (process_timeout)
    740 |          6 |      bme_RX-51 | schedule_timeout (process_timeout)
      1 |          3 |  <kernel core> | queue_delayed_work (delayed_work_timer_fn)
    706 |          3 |           dsme | __enqueue_rt_entity (sched_rt_period_timer)
    602 |          2 |          mmcqd | queue_delayed_work (delayed_work_timer_fn)
    740 |          2 |      bme_RX-51 | sys_timer_settime (posix_timer_fn)
    740 |          2 |      bme_RX-51 | do_nanosleep (hrtimer_wakeup)
    729 |          2D|<kernel module> | queue_delayed_work (delayed_work_timer_fn)
    706 |          2 |           dsme | do_nanosleep (hrtimer_wakeup)
   1171 |          1 |    hildon-home | queue_delayed_work (delayed_work_timer_fn)
   1511 |          1 |       browserd | futex_wait (hrtimer_wakeup)
    785 |          1 |           hald | schedule_hrtimeout_range (hrtimer_wakeup)
    810 |          1 |            mce | schedule_hrtimeout_range (hrtimer_wakeup)
   1534 |          1 |       browserd | futex_wait (hrtimer_wakeup)
   1509 |          1 |       browserd | futex_wait (hrtimer_wakeup)
    910 |          1 | hald-addon-bme | schedule_hrtimeout_range (hrtimer_wakeup)
    602 |          1 |          mmcqd | schedule_timeout (process_timeout)
   1539 |          1 |       browserd | futex_wait (hrtimer_wakeup)
   1581 |          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: 100%|RET:   0%|INA:   0%| ON:   0%| now:(OFF)
    per |OFF:   0%|RET:  98%|INA:   0%| ON:   1%| 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:   0%|RET:   0%|INA:   0%| ON: 100%| now:(ON)
   neon |OFF:  76%|RET:   2%|INA:  19%| ON:   1%| now:(ON)
    mpu |OFF:  76%|RET:   2%|INA:  19%| ON:   1%| 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 |         UART2 |
  core3 |       USBTLL
   wkup |          GPT1 |       32KSYNC |         GPIO1 
        |          WDT1 |           SR1 |           SR2 
        |
  ckgen |          CORE |          PERI |           96M 
        |           48M |           12M |           54M 
        |      EMU_CORE |
    per |         GPIO2 |         GPIO3 |         GPIO4 
        |         GPIO5 |         GPIO6 |

Total wakeups   813,  27.1/s | IRQ  655,  21.8/s | Timers  158,   5.3/s
HW wakeups       63,   2.1/s |     Real gp_timers expired  105,   3.5/s

I've got no idea why this has started happening as I've changed nothing on the phone and I have no idea how to stop it. Does anyone know what I can do to solve this or at least try and diagnose the problem?

Quote & Reply |

	peterleinchen	2013-09-14 , 19:16
	Posts: 4,118 \| Thanked: 8,901 times \| Joined on Aug 2010 @ Ruhrgebiet, Germany	#2

No idea also here what causes your core to stay on always, as rest of powertop output seems quite okay.

Just try a full power cycle:
shut down
remove battery
push power button for more than 3 seconds
insert battery
start up
and check again ...

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Beeswax	2013-09-14 , 20:02
Posts: 9 \| Thanked: 1 time \| Joined on Sep 2013	#3

Done and done. Looks pretty much the same to me.

Code:

Powertop 1.13.3
Sleeping for 11 seconds before sampling
Collecting data for 30 seconds
Sample interval was 00m 30s 15503us

C#      | Ratio  | Avg/dura | Frequency | Ratio
--------+--------+----------+-----------+--------+
     C0 |   2.8% |          |  1150 MHz |   nan% |
     C1 |   0.0% |    0.3ms | 
     C2 |   7.4% |   11.6ms | 
     C3 |  32.1% |  253.3ms | 
     C4 |  57.6% |  720.4ms | 

IRQ#    | Activity   | Type           | Name
--------+------------+----------------+---------------------------
     56 |        420 |           INTC | i2c_omap
     12 |        342 |           INTC | DMA
     37 |        272 |           INTC | gp
     11 |        200 |           INTC | prcm
     86 |         99 |           INTC | mmc1
     57 |         63 |           INTC | i2c_omap
    225 |         20 |           GPIO | omap2-onenand
     67 |         17 |           INTC | ssi_p1_mpu_irq0
     71 |         11 |           INTC | ssi_gdd
    311 |          6 |           GPIO | ssi_p1_cawake_gpio

PID#    | Activity   | Name           | Function Entry (Expire)
--------+------------+----------------+---------------------------
      0 |        199 |  <kernel core> | tick_nohz_restart_sched_tick (tick_sched_timer)
     38 |         48D|            awk | cpufreq_governor_dbs (delayed_work_timer_fn)
   1188 |         30 | hildon-desktop | schedule_hrtimeout_range (hrtimer_wakeup)
      0 |         24 |  <kernel core> | hrtimer_start (tick_sched_timer)
    606 |         12 |          mmcqd | cfq_completed_request (cfq_idle_slice_timer)
    606 |         11 |          mmcqd | queue_delayed_work (delayed_work_timer_fn)
    745 |         10 |      bme_RX-51 | sys_timer_settime (posix_timer_fn)
    606 |          7 |          mmcqd | schedule_timeout (process_timeout)
    745 |          6 |      bme_RX-51 | schedule_timeout (process_timeout)
     15 |          6 |        kswapd0 | schedule_timeout (process_timeout)
    709 |          4 |           dsme | __enqueue_rt_entity (sched_rt_period_timer)
    606 |          3 |          mmcqd | laptop_io_completion (laptop_timer_fn)
    745 |          2 |      bme_RX-51 | sys_timer_settime (posix_timer_fn)
    745 |          2 |      bme_RX-51 | do_nanosleep (hrtimer_wakeup)
   1524 |          2 |       browserd | futex_wait (hrtimer_wakeup)
    709 |          2 |           dsme | do_nanosleep (hrtimer_wakeup)
      1 |          2D|  <kernel core> | queue_delayed_work (delayed_work_timer_fn)
   1513 |          2 |       browserd | futex_wait (hrtimer_wakeup)
   1549 |          2 |         modest | schedule_timeout (process_timeout)
   1407 |          1 |    mafw-lastfm | schedule_hrtimeout_range (hrtimer_wakeup)
    794 |          1 |           hald | schedule_hrtimeout_range (hrtimer_wakeup)
      1 |          1 |  <kernel core> | queue_delayed_work (delayed_work_timer_fn)
    814 |          1 |            mce | schedule_hrtimeout_range (hrtimer_wakeup)
   1523 |          1 |       browserd | futex_wait (hrtimer_wakeup)
   1187 |          1 |    hildon-home | queue_delayed_work (delayed_work_timer_fn)
    606 |          1 |          mmcqd | schedule_timeout (process_timeout)
   1549 |          1 |         modest | schedule_timeout (process_timeout)
   1542 |          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: 100%|RET:   0%|INA:   0%| ON:   0%| now:(OFF)
    per |OFF:   0%|RET:  96%|INA:   0%| ON:   3%| 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:   0%|RET:   0%|INA:   0%| ON: 100%| now:(ON)
   neon |OFF:  57%|RET:  32%|INA:   7%| ON:   3%| now:(ON)
    mpu |OFF:  57%|RET:  32%|INA:   7%| ON:   3%| 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 |         UART2 |          MMC2 
        |
  core3 |       USBTLL
   wkup |          GPT1 |       32KSYNC |         GPIO1 
        |          WDT1 |           SR1 |           SR2 
        |
  ckgen |          CORE |          PERI |           96M 
        |           48M |           12M |           54M 
        |      EMU_CORE |
    per |         GPIO2 |         GPIO3 |         GPIO4 
        |         GPIO5 |         GPIO6 |

Total wakeups  1833,  61.1/s | IRQ 1450,  48.3/s | Timers  383,  12.8/s
HW wakeups      200,   6.7/s |     Real gp_timers expired   16,   0.5/s

This is really annoying because its basically rendered my N900 useless as a mobile phone as its not longer very mobile.

Quote & Reply |

sixwheeledbeast	2013-09-15 , 08:14
Posts: 2,291 \| Thanked: 4,135 times \| Joined on Apr 2010 @ UK	#4

Make sure your using powertop with the charger disconnected, and the screen and keys locked.
You say you haven't changed any software but have you had any updates?

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Beeswax	2013-09-15 , 11:19
Posts: 9 \| Thanked: 1 time \| Joined on Sep 2013	#5

Unplugged the USB cable, power cycled the N900 and re-ran powertop with a sleep 10s beforehand to ensure I got the keyboard closed and the screen locked in time.
Not really sure why neon is selected as its not lit at any point.
No updates either.

Code:

Powertop 1.13.3
Sleeping for 11 seconds before sampling
Collecting data for 30 seconds
Sample interval was 00m 30s 21116us

C#      | Ratio  | Avg/dura | Frequency | Ratio
--------+--------+----------+-----------+--------+
     C0 |   1.4% |          |  1150 MHz |   nan% |
     C1 |   0.1% |    0.4ms | 
     C2 |  20.9% |   49.7ms | 
     C3 |  12.3% |  167.4ms | 
     C4 |  65.4% | 1510.8ms | 

IRQ#    | Activity   | Type           | Name
--------+------------+----------------+---------------------------
     56 |        333 |           INTC | i2c_omap
     37 |        106 |           INTC | gp
     86 |         96 |           INTC | mmc1
     11 |         74 |           INTC | prcm
     57 |         63 |           INTC | i2c_omap
     12 |         32 |           INTC | DMA
    225 |         23 |           GPIO | omap2-onenand

PID#    | Activity   | Name           | Function Entry (Expire)
--------+------------+----------------+---------------------------
      0 |         59 |  <kernel core> | tick_nohz_restart_sched_tick (tick_sched_timer)
      0 |         25 |  <kernel core> | hrtimer_start (tick_sched_timer)
     38 |         22D|            awk | cpufreq_governor_dbs (delayed_work_timer_fn)
    623 |         16 |          mmcqd | schedule_timeout (process_timeout)
    759 |         14 |      bme_RX-51 | sys_timer_settime (posix_timer_fn)
    623 |          8 |          mmcqd | queue_delayed_work (delayed_work_timer_fn)
    759 |          6 |      bme_RX-51 | schedule_timeout (process_timeout)
    723 |          5 |           dsme | __enqueue_rt_entity (sched_rt_period_timer)
      1 |          3D|  <kernel core> | queue_delayed_work (delayed_work_timer_fn)
    759 |          2 |      bme_RX-51 | do_nanosleep (hrtimer_wakeup)
    623 |          2 |          mmcqd | laptop_io_completion (laptop_timer_fn)
    723 |          2 |           dsme | do_nanosleep (hrtimer_wakeup)
   1534 |          2 |       browserd | futex_wait (hrtimer_wakeup)
    759 |          1 |      bme_RX-51 | sys_timer_settime (posix_timer_fn)
    927 |          1 | hald-addon-bme | schedule_hrtimeout_range (hrtimer_wakeup)
   1054 |          1 |         python | journal_get_write_access (commit_timeout)
   1093 |          1 |          iphbd | schedule_hrtimeout_range (hrtimer_wakeup)
    828 |          1 |            mce | schedule_hrtimeout_range (hrtimer_wakeup)
   1514 |          1 |       browserd | futex_wait (hrtimer_wakeup)
   1385 |          1 |    mafw-lastfm | schedule_hrtimeout_range (hrtimer_wakeup)
    815 |          1 |           hald | schedule_hrtimeout_range (hrtimer_wakeup)
   1583 |          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: 100%|RET:   0%|INA:   0%| ON:   0%| now:(OFF)
    per |OFF:   0%|RET:  98%|INA:   0%| ON:   1%| 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:   0%|RET:   0%|INA:   0%| ON: 100%| now:(ON)
   neon |OFF:  65%|RET:  12%|INA:  20%| ON:   1%| now:(ON)
    mpu |OFF:  65%|RET:  12%|INA:  20%| ON:   1%| 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 |         UART2 |
  core3 |       USBTLL
   wkup |          GPT1 |       32KSYNC |         GPIO1 
        |          WDT1 |           SR1 |           SR2 
        |
  ckgen |          CORE |          PERI |           96M 
        |           48M |           12M |           54M 
        |      EMU_CORE |
    per |         GPIO2 |         GPIO3 |         GPIO4 
        |         GPIO5 |         GPIO6 |

Total wakeups   902,  30.1/s | IRQ  727,  24.2/s | Timers  175,   5.8/s
HW wakeups       74,   2.5/s |     Real gp_timers expired  106,   3.5/s

Last edited by Beeswax; 2013-09-15 at 11:21.

Quote & Reply |

ibins	2013-09-15 , 13:46
Posts: 35 \| Thanked: 149 times \| Joined on Jul 2011	#6

Maybe you could monitor your process list for a while:
ps -e

If the process IDs after a reboot differ a lot from the process IDs after a couple of minutes without starting/stopping anything (exept the ps process itself), this could be an indicator for something, that is restarting/crashing regularely.

Edit: And use "top". Press "c" after starting top, so it sorts your processes, that use most of the CPU.

Last edited by ibins; 2013-09-15 at 13:48.

Quote & Reply |

Beeswax	2013-09-15 , 14:44
Posts: 9 \| Thanked: 1 time \| Joined on Sep 2013	#7

ps looks the same after being run just after boot and just before turning off the phone. Top only shows two things using cpu and that's what you'd expect, top and Xorg.

I'm beginning to think that a reflash may be in order but I don't want to rick flashing the phone if the battery is liable to die on me in the middle of it because it takes so long to charge.

Quote & Reply |

sixwheeledbeast	2013-09-15 , 15:07
Posts: 2,291 \| Thanked: 4,135 times \| Joined on Apr 2010 @ UK	#8

Well, I had a similar issue a while ago.
http://talk.maemo.org/showthread.php?t=85701
Never really got to the bottom of it. Never had any trouble of that nature since.

Quote & Reply |

	peterleinchen	2013-09-15 , 18:45
	Posts: 4,118 \| Thanked: 8,901 times \| Joined on Aug 2010 @ Ruhrgebiet, Germany	#9

Or something like this?
http://talk.maemo.org/showthread.php?t=90140&page=2

Quote & Reply |

vi_	2013-09-16 , 09:01
Posts: 1,680 \| Thanked: 3,685 times \| Joined on Jan 2011	#10

Delete your thumbnail cache, rebuild tracker databases and uninstall kernel power settings.

Then try again (in offline mode).

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