Rockbox Development > New Ports
Cowon D2
shotofadds:
I've been trying to reproduce some of these errors tonight, but I can't make anything go wrong using r27966 (or with r27822 as reported in FS#11558). My D2 boots properly each time, I have audio in both ears, and the database appears to work fine.
Can anyone point me to a rockbox.zip that exhibits any of these problems? I have no doubt that a problem still exists somewhere, but it's hard to track down when the symptoms don't show themselves...
mbk1969:
I`ve met same problems with absent audio (and with audio in one channel) on my D2+. I do work around by loading original firmware and loading back to Rockbox. Build version is r27627. I can mail you the archive file with RB folder...
shotofadds:
Thanks mbk1969. I tried your r27627 zip and got the "no audio" problem on the 2nd time I booted Rockbox, although it has worked properly every time after that (about 10-15 boots so far).
The strange thing was, on the "no audio" occasion I heard the usual pops and clicks on bootup and shutdown, so the audio outputs are definitely enabled. That suggests to me it might be something in the PCM driver rather than the audio hardware driver, and indeed there was a change in that area in r26253. This sounds ominous:
--- Quote ---Everything checks out on supported targets. There wer some compat changes I can't check out on many unsupoorted but if there's a problem it will be a minor oops.
--- End quote ---
I will check through that code with a fine-toothed comb and get back to you...
NOTE: I haven't seen any black screens or failures to boot up in this build - that is clearly a different problem and will need more investigation.
shotofadds:
Looking at that PCM change, the driver code changes look sane and in any case the change was made a long time before anyone started reporting issues. And it wouldn't explain muting in one ear only, so I think we can rule that one out.
So... the finger points at EABI again. To try and identify if this is the cause or not I have built two versions of r28000, one without EABI and one with.
Please could everyone who has seen these issues try both versions for a few days and report back for each version:
a) how many times you have booted it
b) how many times audio was missing in one or both ears
c) how many times you got a black screen or freeze on bootup
Version 1: http://www.megaupload.com/?d=41QHGF6S
Version 2: http://www.megaupload.com/?d=CAYFO7X0
mbk1969:
Results for version 1:
- first load - OK ;
- second load - audio absent ;
- third load - audio only in one channel ;
- fourth load - OK...
Installing version 2...
Results for version 2:
- no failure at all for at least 20 attempts.
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