Rockbox Development > New Ports
SanDisk Sansa c200v2, m200v4, clipv1, clipv2, clip+, and fuzev2
OldOne:
Hello,
Oldone here. I only have an E260v2. I also had some problems with corruption on my internal card while trying the new builds with the wide bus update mentioned a few posts up.
I have been experimenting with all of the changes in the SD card module and haven't noticed any problems until the widebus change. After the file corruptions, I switched back to 23935. I have also found that by changing the lowered voltage from 1.10 to 1.15, my troublesome PQI class 6 8gb cards work fine. This has worked since about 23830. I build one with 1.10 voltage for my standard use and one with the voltage reduction set at 1.15. I name the 115 version rock115.sansa and copy into the .rockbox directory. When I want to listen to something on my troublesome cards, I just run the modified version.
I will wait on some more testing before using the widebus changes again. The change was made at version 23977 I believe. I have tried every change or patch for the SD cards Only changing the voltage scaling from 1.10 to 1.15 makes my PQI cards work perfectly. Is there someway to switch up the speed or voltage sooner in the card access process(Does that make sense?) Is it possible to set the lower voltage to something between 1.10 and 1.15?
By the way my SD cards seemed to work OK with widebus. I tried copying from the card to internal card when the corruption on internal card occurred.
I have ordered some refurb 1 gb clips from woot. I hope they are v1's so I can play with rockbox on them.
epithetless:
I am also experiencing some newfound data corruption following my update to a post-"4 bit widebus mode" build (r24003, to be exact). Here's how it happened: After editing a WPS file on my Fuze and shutting the player off, any attempts to start the Fuze now result in the splashscreen coming up, a "scanning disk.." dialog box appearing for a second, and then "Data abort at 30800968" displaying. Any press of a button reboots the player and repeats the cycle, whether or not my microSDHC card is installed.
Looking at the contents of the .rockbox folder from my computer, I'm now seeing several new gibberish files and folders, the folders named "è;Å;" and the files named "è;ï;", ".", "c", "i", and "x".
FlynDice:
Ok, I'm getting it now also. For some reason the /.rockbox/playlist_control file is getting corrupted, for me at least. But test_disk write & verify passes and I can copy files from the uSd to the internal with no corruption at all.
EDIT: I have changed the small write delay for non-HS uSD cards to a small write delay for all non-HS sd cards which includes the internal SD cards. This seems to solve the problem for me so I committed the change. For those experiencing problems would you please try it out now and let me know your results good or bad. Thanks!
epithetless:
Interestingly, at this point, the latest build I have which doesn't result in the "Data abort at 30800968" message during bootup is r23903 -- if directory cache is enabled. When directory cache is off, Rockbox boots without error. This is true of the most recent build, r24020, as well.
After my initial "Data abort at 30800968" encounter, I ran Check Disk on the internal memory, formatted it using the OF, formatted it with the Panasonic SDFormatter v2.0, flashed the Fuze with an unpatched SanDisk firmware file, and reflashed it with a patched firmware file -- all in an effort to weed out any lingering issues -- but the problem persists (as I said, as long as directory cache is on). Any thoughts on this, FlynDice?
ChiefAlex:
Since today, i get following after some seconds booted Rockbox:
*PANIC*
SD Xfer read err:0x8 Disk0
Anyone knows whats the reason?
regards,ChiefAlex
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