This is the garbage collector working. You have not provided many details but I expect this is happening with a reasonably full device. On Friday 30 January 2009 04:06:03 Deroo Stijn wrote: > Hi, > > Can someone explain what happens here? > If I store files on my nand flash, suddenly I see following output printed > out (see below). This causes a lot of delay when writing files. What's > happening, and can this be avoided? > > ... > store: /nand/music.mp3 > GC Selected block 20 with 8 free, prioritised:0 > yaffs: GC erasedBlocks 8 aggressive 1 > Collecting block 20, in use 56, shrink 0, > Collecting page 0, 563 4 2048 > Allocated block 21, seq 4125, 7 left > Collecting page 2, 573 1 2048 > Collecting page 3, 573 2 2048 > Collecting page 4, 573 3 2048 > Collecting page 5, 573 4 2048 > Collecting page 6, 573 5 556 > Collecting page 7, 573 0 0 > Collecting page 9, 583 1 2048 > Collecting page 10, 583 2 2048 > Collecting page 11, 583 3 2048 > Collecting page 12, 583 4 2048 > Collecting page 13, 583 5 556 > Collecting page 14, 583 0 0 > Collecting page 16, 258 1 2048 > Collecting page 17, 258 2 2048 > Collecting page 18, 258 3 2048 > Collecting page 19, 258 4 2048 > Collecting page 20, 258 5 2048 > Collecting page 21, 258 6 209 > Collecting page 22, 258 0 0 > Collecting page 24, 524 1 2048 > Collecting page 25, 524 2 2048 > Collecting page 26, 524 3 2048 > Collecting page 27, 524 4 2048 > Collecting page 28, 524 5 2048 > Collecting page 29, 524 6 2048 > Collecting page 30, 524 7 2048 > Collecting page 31, 524 8 554 > Collecting page 32, 524 0 0 > Collecting page 34, 534 1 2048 > Collecting page 35, 534 2 2048 > Collecting page 36, 534 3 2048 > Collecting page 37, 534 4 2048 > Collecting page 38, 534 5 167 > Collecting page 39, 534 0 0 > Collecting page 41, 544 1 2048 > Collecting page 42, 544 2 2048 > Collecting page 43, 544 3 2048 > Collecting page 44, 544 4 1693 > Collecting page 45, 544 0 0 > Collecting page 47, 554 1 2048 > Collecting page 48, 554 2 2048 > Collecting page 49, 554 3 2048 > Collecting page 50, 554 4 2048 > Collecting page 51, 554 5 2048 > Collecting page 52, 554 6 2048 > Collecting page 53, 554 7 2048 > Collecting page 54, 554 8 1337 > Collecting page 55, 554 0 0 > Collecting page 57, 564 1 2048 > Collecting page 58, 564 2 2048 > Collecting page 59, 564 3 2048 > Collecting page 60, 564 4 2048 > Collecting page 61, 564 5 1473 > Collecting page 62, 564 0 0 > Collecting page 63, 574 0 0 > yaffs_BlockBecameDirty block 20 state 8 > Erased block 20 > ... > > > Kind regards, > Stijn. > > _______________________________________________ > yaffs mailing list > yaffs@lists.aleph1.co.uk > http://lists.aleph1.co.uk/cgi-bin/mailman/listinfo/yaffs