Thread: [Announce] modRana: a flexible GPS navigation system
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MartinK is offline MartinK
2014-07-01 , 21:12
Posts: 1,548 | Thanked: 7,510 times | Joined on Apr 2010 @ Czech Republic
#1599
Originally Posted by sixwheeledbeast View Post
I have had a few issues with modRana recently. However, this maybe because I have started trying it out a bit more.
@MartinK I have been waiting for you to appear on IRC to ask about them, but I will provide I list here so I don't forget in the meantime.

* Firstly I have experienced the above black screen issue while downloading tiles with the screen locked overnight, if you ssh to device it's the [sgx_misr] at 98% CPU bug; only a reboot will fix this AFAIK.
Yeah, unfortunately nothing much modRana can do about this other than to see if the "tweaking the knobs" proposal from the post above can influence it.

Originally Posted by sixwheeledbeast View Post
*Secondly logging tracks seems to fail after 3-4 minutes.
I will try to reproduce it & I have opened a tracking bug for it.

Originally Posted by sixwheeledbeast View Post
*Lastly tile downloads is still a PITA, I have downloaded 160km "around here", however, when I am offline sections of tiles are missing within the area I downloaded. Re-downloading says that all are found locally.

If I can be any more help debugging this let me know.
One possible cause could be old "fake" tiles. ModRana didn't check if the thing it downloaded actually is an image and it was possible to download quite a lot of "tiles" that were actually HTML error pages from the tileserver. Such "tiles" were of course downloaded successfully but would not be loadable once needed.
ModRana now check what id downloads and discards non-image tile data, but there could be still some "tiles" from before the checking was present.

So possible things to try:
  • in the batch download "edit" menu set "Redownload" to "ON" or "update" - this should make batch download download the tiles even if it appears to be locally available
  • re-/move the corresponding tile folder and see if it helps for the given region
  • recursively run find & file on the problematic tiles (provided you are storing tiles as files) and check their mime type, if all really are images
  • enable the tile debugging options mentioned two posts above and check the output for any clues
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modRana: a flexible GPS navigation system
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