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Sansa Fuze v1 Playback problems above build 27996
manequin:
I have tried this already and it doesn't help.
darlredfish:
I tried 28000 with and without setting the boost counter to 1 and got the crackling with both, I then tried 27999 and was working fine either way. So 8000 seems to be where my playback problems started as well.
orbidia:
Well, I think at least we have a bit of consensus about where the problem code was inserted.
Official r27999 works perfectly stable on my "difficult to please" fuze v1.
Official r28000 is unusable. When I try to play Flac files, it is all garbled. All the same problems from my original post.
When I go to the debug mode with r28000, for CPU frequency setting, at first I see:
Frequency: 62000000
boost_counter: 0
A first, I couldn't figure out how to change the setting to 1.
So I just started pressing each button quick/long press. Turn the dial etc.
Finally I think there must be a way to select the it (press play/pause 'Up?') and then turn the dial to make the change. It doesn't seem like anything is selected.
And immediately, the 1 was flashing with all kinds of huge numbers.
It would show:
boost_counter: 1 (about half a second)
boost_counter: 1207753193 (very quick flash of the number - i think that was the actual number because it would repeat randomly often enough but its hard to follow because it flashes too quickly.)
boost_counter: 1 (about half a second)
boost_counter: 1186775311 (very quick flash of the number - close to the one that flashed but not exact. They all seem to be 10 digit numbers.)
boost_counter: 1 (half a second)
boost_counter: 1203651191 (very quick flash of the number)
etc.
The frequency of the flashing is about 2-3 times per second. It also seems like its actually only flashing about 5 specific numbers. They all start with either 118xxxxxxx or 120xxxxxxx
This is very difficult to change the number for some reason - the dial doesn't work and if the screen blanks out, when it goes back, it is at 0 again.
I see, I just have to turn the dial to bring the screen back and still have the option selected. continuing...
Also, with boost at 0 it is always: "Frequency: 62000000"
The moment I change boost to 1, it shows:
Frequency: 248000000 (3-4 seconds)
Frequency: 143xxxxxxx (REALLY FAST BLINK - 10 digit number that seems to start with 143 but it blinks so fast I can't be sure - seems like the last digit is always an even number 0, 2, 4, 6, or 8 )
Frequency: 248000000 (3-4 seconds)
The flashing of the frequency number is much slower than the boost_counter number. The random frequency flashes once every 3-4 seconds.
This time, the screen went blank and I had to reboot...
If I keep turning the scroll wheel counterclockwise, the main boot_counter setting will increase 1 every few seconds of turning the wheel. I spun the wheel for about a minute and I got it to read out like this:
boost_counter: 28 (about half a second)
boost_counter: 1186775311 (very quick flash of the number - close to the one that flashed but not exact. They all seem to be 10 digit numbers.)
boost_counter: 28 (half a second)
boost_counter: 1203651191 (very quick flash of the number)
If I scroll clockwise, the setting will decrease by 1 every few second until it gets back to 0 and seems stable (no blinking).
The actual quick flashing numbers seem to be the same 5-6 specific 10 digit numbers that start with either 118 or 120. The flashing numbers and frequency of the flashing seem to be the same for settings 1 and above.
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A few of these other settings in the debug menu also seem to have oscillating numbers:
For example in: View I/O Ports
[DBOP_DIN]
DBOP_DIN: 887F (starting number)
If I turn the wheel or click any buttons, it will change to
DBOP_DIN: C87F
But sometimes, E87F or A87F will flash briefly.
All other numbers on that screen are solid.
On View Hardware Info:
MMU: on CVDDP: 12000 (flashes 12025 2-3 times a second or more if use scroll wheel.)
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At least we've settled on the build that the faulty code appeared. So what could it be in r28000 that is bad? What other tests can we do to find the problem?
Note: if it would help, I could probably figure out exactly what all of the flashing numbers (possibly using video and pausing to see the number clearly). Is that worth the effort or is this just a random by product of the bad code?
saratoga:
^^ You don't need to describe the debug menu, we've all used it before. Just state the final out come, did setting the boost counter to one to disable frequency scaling improve playback? A simple yes or not will work . . .
orbidia:
With Official r28000 and boost_counter setting: 1, everything is unusable and the audio is garbled plus all the other weird stuff described in the first post.
With Official r27999 everything works perfectly.
What I was describing was the crazy effect increasing the boost_counter had immediately on the setting screen itself...
Just changing the setting to 1, everything gets very weird.
I thought some of the actual weird numbers that were being displayed would help with the debugging.
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