--- Log opened Tue Nov 22 00:00:13 2011
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00:11 < bcoco85> usb.core module is provided by libusb?
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10:05 < fmibot> New commit by theseven (r810): ipodcrypt.py: Fix copyright header
10:06 < fmibot> r810 build result: emcore: All green!
10:06 < fmibot> r810 build result: umsboot: All green!
11:13 < Kuitsi> what is the current testing version for 120 GB Classic? i have EmCORE r776 and rockbox r30613M-110927
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11:21 < Kuitsi> or does user890104 still need me to continue testing of this version? so far i've had just some random freezes and some quite frequent audible pauses while playback
11:28 < [7]> how frequent?
11:28 < [7]> multiple times per second (stuttering), or just one or two times an hour (disk spinup?)
11:53 < Kuitsi> few time within one song but interval is not constant
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12:49 < Kuitsi> so typical, when listening and trying to hear and count those pauses there are none :P
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16:01 < r100> Hello everyone. Just curious, is there going to be a newer public release of EmCore somewhere in the future?
16:02 < [7]> yes, there will probably a new release soon
16:02 < r100> thats great, looking forward to it
17:33 < fmibot> New commit by theseven (r811): New tool: TLSFanalyze
17:34 < fmibot> r811 build result: emcore: All green!
17:34 < fmibot> r811 build result: umsboot: All green!
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18:51  * user890104 is wondering what does [7]'s new tool do
19:00 < r100> Yeah me too
19:00 < r100> Google told me "Two-Level Segregate Fit) TLSF is a general purpose dynamic memory allocator specifically designed to meet real-time requirements"
19:06 < [7]> user890104: you give it an SDRAM dump and it lists all the memory allocations with their respective owners and does some consistency checks on the allocation chain to detect corruption
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19:36 < fmibot> New commit by theseven (r812): emCORE: Add some missing malloc memory checks and some debug output
19:36 < fmibot> r812 build result: emcore: All green!
19:36 < fmibot> r812 build result: umsboot: All green!
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19:49 < user890104> [7]: this is very useful for me then, because i'm known to cause memory leaks :)
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20:34 < fmibot> New commit by theseven (r813): emCORE: Fix cache coherency bug in iPod Classic ATA driver
20:34 < fmibot> r813 build result: emcore: All green!
20:34 < fmibot> r813 build result: umsboot: All green!
20:36 < fmibot> New commit by theseven (r814): emCORE: Add more detailed tracking of handle owners
20:36 < fmibot> r814 build result: emcore: Red for targets ipodnano3g, ipodnano4g, ipodtouch2g (theseven commited)
20:36 < fmibot> r814 build result: umsboot: All green!
20:37 < fmibot> New commit by theseven (r815): emCORE: Shrink iPod Classic kernel memory to 256kiB SRAM + 256kiB SDRAM
20:37 < fmibot> r815 build result: emcore: Red for targets ipodnano3g, ipodnano4g, ipodtouch2g (theseven commited)
20:37 < fmibot> New commit by theseven (r816): tlsfanalyze.py: Add some more checks
20:37 < fmibot> r815 build result: umsboot: All green!
20:38 < fmibot> r816 build result: emcore: Red for targets ipodnano3g, ipodnano4g, ipodtouch2g (theseven commited)
20:38 < [7]> user890104: now you'll even see that the memory was leaked because of USB activity :)
20:38 < fmibot> r816 build result: umsboot: All green!
20:39 < fmibot> New commit by theseven (r817): emCORE: Fix build error on targets without storage drivers
20:40 < fmibot> r817 build result: emcore: All green!
20:40 < fmibot> r817 build result: umsboot: All green!
20:41 < user890104> i'll need to have a closer look at the new features
20:41 < [7]> http://pastie.org/2905336
20:42 < user890104> ah, this is cool :)
20:43 < user890104> what are the numbers below the free space for?
20:43 < user890104> [1:20] ... etc
20:43 < [7]> during the process of writing that tool I finally understood how TLSF works :)
20:44 < [7]> that's the list of free blocks, mapped into different categories
20:44 < [7]> the allocator will try to find the best fitting space for a new allocation based on these mappings
20:44 < r100> Wow, freemyipod is on fire tonight!
20:45 < [7]> but only small stuff tonight
20:46 < [7]> still need to figure out where that memory corruption is coming from
20:46 < r100> lots of small stuff is big together :)
20:46  * [7] has a suspicion
20:47 < [7]> this looks like realloc doesn't update a pointer...
20:52 < user890104> [7]: which memory corruption actually?
20:53 < [7]> i've seen lots of data aborts in malloc() recently
20:54 < user890104> i've also seen cases where malloc via usb returns 0x0
20:54 < user890104> and doing runfirmware twice in a row sometimes causes a freeze
20:54 < [7]> http://pastie.org/2905409
20:55 < [7]> that's what will ultimately lead to a malloc panic
21:09 < [7]> hmm... http://pastie.org/2905488
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--- Log closed Wed Nov 23 00:02:06 2011