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FS#6465 - "Idle Poweroff" while charging causes infinite reboot loop

Attached to Project: Rockbox
Opened by Joel Wiegman (jwiegman) - Thursday, 21 December 2006, 10:10 GMT
Last edited by Jonathan Gordon (jdgordon) - Sunday, 17 August 2008, 14:44 GMT
Task Type Bugs
Category Battery/Charging
Status Closed
Assigned To No-one
Operating System iPod 4G Grayscale
Severity Low
Priority Normal
Reported Version Daily build (which?)
Due in Version Version 3.0
Due Date Undecided
Percent Complete 100%
Votes 1
Private No


I have turned the "Idle Poweroff" to "2 min" in the "General Settings > System" menu. Now if I plug my iPod in to charge the battery, the device reboots every 2 minutes (powers off, detects it's plugged in for charging, then boots back up). I'm guessing this is a known issue but I couldn't find a patch or existing defect...
This task depends upon

Closed by  Jonathan Gordon (jdgordon)
Sunday, 17 August 2008, 14:44 GMT
Reason for closing:  Fixed
Additional comments about closing:  this should be fixed for all targets except the 3rd gen ipod which doesnt have usb detection code.
Comment by Paul Louden (darkkone) - Friday, 22 December 2006, 02:56 GMT
If you're charging from the USB port on a PC, it should reboot into disk mode.

If you're charging from a wall adapter, it should continually reboot.

You say it's booting into Rockbox, waiting two minutes, and then rebooting again. Are you using an official build?
Comment by Joel Wiegman (jwiegman) - Tuesday, 26 December 2006, 15:58 GMT
I'm charging from a wall adapter, using a build from 12-11-2006, and it reboots every 2 minutes due to the "Idle Poweroff" being set to 2 minutes. You mentioned the device should continually reboot... so this is expected behavior?
Comment by Tom Ross (midgey34) - Monday, 12 February 2007, 22:00 GMT
Can you try to reproduce this with the latest SVN? Wall chargers and USB chargers are now treated differently and it's possible your issue may no longer occur.
Comment by Joel Wiegman (jwiegman) - Wednesday, 14 February 2007, 18:42 GMT
Updated to a 2/14/07 build. Still continually re-boots when plugged into a wall charger. My "Idle Poweroff" setting was set to 2 minutes and the device reboots every 2 minutes.
Comment by Jason (Ookadoo) - Wednesday, 30 May 2007, 16:01 GMT
I too am experiencing this bug. What is irritating is if I have my headphones plugged in, it resumes when it powers back up. Therefore I have to unplug my headphones if I'm going to leave it paused for a while.

Suggestion: Can we have it ignore auto-poweroff on idle settings if the power source is wall and not battery?
Comment by Jason (Ookadoo) - Wednesday, 06 June 2007, 16:00 GMT
Also wanted to add that I have to disable "Resume Playback On Startup" option. Otherwise I will be sitting at work with my player paused and suddenly it will start blaring through my earphones because it booted up again.

It's irritating, but not a major flaw. It just nullifies the resume playback option for me.
Comment by Jason (Ookadoo) - Thursday, 26 July 2007, 19:12 GMT
Will this be fixed anytime soon? If not, is there any documentation on getting started with understanding the source code?
Comment by Jan Seeger (jeeger) - Thursday, 13 September 2007, 16:34 GMT
This seems fixed now with the newest build (r14680M-070913) on the iPod Video 60 GB. Cheers!
Comment by Joel Wiegman (jwiegman) - Wednesday, 03 October 2007, 15:26 GMT
This defect was created for the iPod 4G grayscale (see the "Player type" above). I updated my firmware with todays build and this defect has NOT been fixed. Please disregard jeeger's comment.
Comment by Jason (Ookadoo) - Monday, 08 October 2007, 16:33 GMT
I am no longer experiencing this issue with the latest rockbox for my Nano 1st Gen.
Comment by Federico F (fedfol) - Thursday, 03 January 2008, 19:40 GMT
I have a 4G iPod and I have this problem too, anyone have an idea on how fix it? Thaks
Comment by Ian Weller (ianweller) - Sunday, 13 January 2008, 23:51 GMT
i am having this same problem, same ipod, latest build.

i don't have a wall charger, but i use an iHome that's about 2 years old. when i view I/O ports in the debug menu that i probably shouldn't be playing around in, GPIO_C changes from FE to FA when i dock the ipod in, and changes back when i remove it. can somebody else see if they get the same thing when they plug it into a wall charger?
Comment by Daniel Phillips (alleyoopster) - Sunday, 24 February 2008, 07:31 GMT
I am having this problem with latest build (r16387-080223) using ipod 3G. If the player is charging it will power down according to idle poweroff and then immediately reboot. Without external power, idle poweroff works without a problem. If resume is set, it will resume playing.
Comment by Daniel Phillips (alleyoopster) - Monday, 10 March 2008, 10:08 GMT
Just to update, I tried 16601 today with the same problem on a 3g.
Comment by Markian Zadony (BUL2294) - Friday, 14 March 2008, 17:40 GMT
I want to confirm that this is happening on my 5G-Video 30GB with 16652M, however it started when I upgraded to this build. The previous build I had--not sure exactly what version, but was from I believe 2/18/08--did NOT have this problem, so something got introduced in the past ~3 1/2 weeks.

Also, none of the icons indicate that the iPod is charging when using a wall adapter. Looks like it doesn't know that it's charging (when it actually is), then powers down and reboots every 3 minutes (my setting).

I'm concerned that the number of power cycles could be detrimental to the hardware or if the battery is getting overcharged... Is the mechanism that prevents battery overcharging hardware-based (no problem) or software-based (big problem)?
Comment by Dmitry Gromov (dgcom) - Tuesday, 25 March 2008, 06:57 GMT
I can confirm constant reboots and no charging indicator on iPod 5G Video 30Gb with r16655.
Comment by Dmitry Gromov (dgcom) - Tuesday, 25 March 2008, 07:28 GMT
Just installed build r16791 and both problems idle time reboots and charging indicator) are solved!
Comment by Ian Weller (ianweller) - Tuesday, 25 March 2008, 20:56 GMT
bug fixed with r16806, iPod 4G grayscale 20 GB. charging indicator does display.
Comment by Daniel Phillips (alleyoopster) - Wednesday, 26 March 2008, 10:54 GMT
..... still the same on the 3G grayscale 20GB
Comment by Markian Zadony (BUL2294) - Wednesday, 26 March 2008, 14:50 GMT
Bug fixed on my iPod 5G Video 30GB... Using r16812. Thanx!
Comment by Daniel Phillips (alleyoopster) - Sunday, 30 March 2008, 22:35 GMT
I can confirm the problem still exists on r16893 with 3G grayscale
Comment by bob (bobbozzo) - Monday, 21 April 2008, 04:04 GMT
I'm having this problem with firmware r17194 on a 4g iPod Color/Photo 30G.
Comment by Yoshihisa Uchida (Uchida) - Monday, 28 July 2008, 13:40 GMT
In Rockbox of the latest version (svn 18139), I think this problem to be corrected.
I confirmed this problem did not occur by iPod Photo 30GB.
Comment by Daniel Phillips (alleyoopster) - Monday, 28 July 2008, 17:44 GMT
Still looping on r18139 with 3G grayscale 20GB