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FS#8448 - insane disk activity

Attached to Project: Rockbox
Opened by harry tu (bookshare) - Saturday, 12 January 2008, 06:12 GMT+2
Last edited by Nicolas Pennequin (nicolas_p) - Saturday, 26 January 2008, 17:03 GMT+2
Task Type Bugs
Category Drivers
Status Closed
Assigned To No-one
Player Type iPod 4G Grayscale
Severity Low
Priority Normal
Reported Version Daily build (which?)
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Private No

Details

My hdd is doing things with the hdd when I am doing things that don't require hdd usage like going into menus. I have attached my voice file. I think this is the problem. No more logical reason.
   chinese-simp.zip (1.19 MiB)
This task depends upon

Closed by  Nicolas Pennequin (nicolas_p)
Saturday, 26 January 2008, 17:03 GMT+2
Reason for closing:  Not a Bug
Comment by Marcoen Hirschberg (marcoen) - Friday, 18 January 2008, 15:04 GMT+2
Perhaps the HDD spins up because some glyphs need to be read from the font and stored in the font cache. his will happen every time a previously unused character is being printed (unless the whole font fits in the font buffer). If you are using the Chinese language file this can happen a lot.

Could this be the explanation for this problem?

We could try to solve it by pre-loading every character used in the language file (and maybe the database as well)
Comment by Jonas Häggqvist (rasher) - Friday, 18 January 2008, 18:53 GMT+2
Marcoen: I've been thinking that language files should include a string (generated by genlang) of all characters used. Which will make your suggestion easier. It would also make it possible to check when loading a new font, if that font supports the current language, and you could inform the user gracefully.
Comment by Jonathan Gordon (jdgordon) - Friday, 18 January 2008, 18:57 GMT+2
that wont help because it shuold dump out the LRU gliphs which means if its spinning up all the time the cache isnt big enough
Comment by harry tu (bookshare) - Saturday, 19 January 2008, 04:48 GMT+2
What are the lru glyffs?
Comment by Joel Wiegman (jwiegman) - Tuesday, 22 January 2008, 01:39 GMT+2
FWIW, this is probably a duplicate of  FS#8397  and  FS#8429 . A significant number of people (including myself) have been reporting this issue in Flyspray and in the forums.

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