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Tasklist

FS#9378 - metronome freezes

Attached to Project: Rockbox
Opened by Frank Gevaerts (fg) - Monday, 08 September 2008, 20:26 GMT+2
Last edited by Michael Sevakis (MikeS) - Thursday, 12 February 2009, 22:34 GMT+2
Task Type Bugs
Category Plugins
Status Closed
Assigned To No-one
Player Type Coldfire-based
Severity Low
Priority Normal
Reported Version Daily build (which?)
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Private No

Details

If you tap fast enough to reach 400 bpm and leave the player alone, now and then the tapping will be irregular. If it's left for long enough the player will eventually freeze (possibly division by 0?)

reproduced on X5L, H120 and H320
This task depends upon

Closed by  Michael Sevakis (MikeS)
Thursday, 12 February 2009, 22:34 GMT+2
Reason for closing:  Fixed
Additional comments about closing:  I'm pretty sure r19991 fixes the problem. Lockup only took a minute or less for me and now I haven't been able to reproduce it.
Comment by Frank Gevaerts (fg) - Monday, 08 September 2008, 20:52 GMT+2
"long enough" can mean more than 20 minutes
Comment by Yoshihisa Uchida (Uchida) - Wednesday, 21 January 2009, 10:29 GMT+2
I do not confirm this bug for iPod and Simulator.

Does this bug happen even if the Rockbox of the current version is used?
Comment by Frank Gevaerts (fg) - Wednesday, 21 January 2009, 11:10 GMT+2
I haven't tested recently, but at the time I could *only* reproduce this on coldfire-based players. The fact that you don't see it on ipod therefore doesn't surprise me.
Comment by Yoshihisa Uchida (Uchida) - Thursday, 22 January 2009, 12:01 GMT+2
It is mysterious though thought that any player is happened if this problem occurs from the source.

Though it was thought that any player happens if this problem occurs, it is mysterious thar this problem happened only Coldfire.
The source will confirm more carefully.

Comment by Michael Sevakis (MikeS) - Thursday, 22 January 2009, 19:54 GMT+2
Coldfire is always a PITA when handling the PCM at the low level (pcm-coldfire.c) and has many quirks to deal with. It could either mean the interrupt is allowed to fire at the wrong time or something in the hardware doesn't like the way things are restarted.
Comment by Michael Sevakis (MikeS) - Thursday, 12 February 2009, 17:50 GMT+2
Think I got this one. My H120 ran for an hour at 400bpm but locked promply before making changes. I think I'll just give coldfire pcm a good going over and simplify what I can as well.

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