On 14/03/13 13:40, Mark Jackson wrote: > On 14/03/13 12:23, Artem Bityutskiy wrote: >> On Thu, 2013-03-14 at 14:18 +0200, Artem Bityutskiy wrote: >>>> Is this size larger than the allocated buffer ? >>> >>> I believe so. >> >> Err, I mean, the buffer is large enough. I do not believe there is a >> stupid bug like too small buffer. This code has worked for years and I >> do not think it was changes much. >> >> The oops may be cause by memory corruption - some of your drivers may >> corrupt memory. You need to spend more time debugging this carefully. > > It can handle 64k, but not 122880 bytes ... > > # mount -o remount,rw / > [ 19.208302] UBIFS: start fixing up free space > [ 19.235881] uealc crc32 : d08cb000 2048 > [ 19.240015] uealc crc32 : d08cb000 4096 > [ 19.244091] uealc crc32 : d08cb000 8192 > [ 19.248184] uealc crc32 : d08cb000 16384 > [ 19.252448] uealc crc32 : d08cb000 32768 > [ 19.256772] uealc crc32 : d08cb000 65536 > [ 19.260133] uealc crc32 : d08cb000 122880 > [ 19.261117] Unable to handle kernel paging request at virtual address e79381bc Unless I test in finer increments, in which case it seems to work !?! # mount -o remount,rw / [ 25.161875] UBIFS: start fixing up free space [ 25.189572] uealc crc32 : d08cb000 1024 [ 25.193653] uealc crc32 : d08cb000 2048 [ 25.197709] uealc crc32 : d08cb000 3072 [ 25.201819] uealc crc32 : d08cb000 4096 [ 25.205886] uealc crc32 : d08cb000 5120 [ 25.209982] uealc crc32 : d08cb000 6144 [ 25.214054] uealc crc32 : d08cb000 7168 [ 25.218129] uealc crc32 : d08cb000 8192 [ 25.222238] uealc crc32 : d08cb000 9216 [ 25.226323] uealc crc32 : d08cb000 10240 [ 25.230528] uealc crc32 : d08cb000 11264 [ 25.234711] uealc crc32 : d08cb000 12288 [ 25.238928] uealc crc32 : d08cb000 13312 [ 25.243119] uealc crc32 : d08cb000 14336 [ 25.247313] uealc crc32 : d08cb000 15360 [ 25.251541] uealc crc32 : d08cb000 16384 [ 25.255744] uealc crc32 : d08cb000 17408 [ 25.259982] uealc crc32 : d08cb000 18432 [ 25.264193] uealc crc32 : d08cb000 19456 [ 25.268406] uealc crc32 : d08cb000 20480 [ 25.272657] uealc crc32 : d08cb000 21504 [ 25.276881] uealc crc32 : d08cb000 22528 [ 25.281136] uealc crc32 : d08cb000 23552 [ 25.285367] uealc crc32 : d08cb000 24576 [ 25.289633] uealc crc32 : d08cb000 25600 [ 25.293873] uealc crc32 : d08cb000 26624 [ 25.298115] uealc crc32 : d08cb000 27648 [ 25.302394] uealc crc32 : d08cb000 28672 [ 25.306644] uealc crc32 : d08cb000 29696 [ 25.310928] uealc crc32 : d08cb000 30720 [ 25.315188] uealc crc32 : d08cb000 31744 [ 25.319485] uealc crc32 : d08cb000 32768 [ 25.323753] uealc crc32 : d08cb000 33792 [ 25.328025] uealc crc32 : d08cb000 34816 [ 25.332331] uealc crc32 : d08cb000 35840 [ 25.336612] uealc crc32 : d08cb000 36864 [ 25.340924] uealc crc32 : d08cb000 37888 [ 25.345212] uealc crc32 : d08cb000 38912 [ 25.349538] uealc crc32 : d08cb000 39936 [ 25.353837] uealc crc32 : d08cb000 40960 [ 25.358138] uealc crc32 : d08cb000 41984 [ 25.362481] uealc crc32 : d08cb000 43008 [ 25.366794] uealc crc32 : d08cb000 44032 [ 25.371140] uealc crc32 : d08cb000 45056 [ 25.375462] uealc crc32 : d08cb000 46080 [ 25.379823] uealc crc32 : d08cb000 47104 [ 25.384155] uealc crc32 : d08cb000 48128 [ 25.388490] uealc crc32 : d08cb000 49152 [ 25.392862] uealc crc32 : d08cb000 50176 [ 25.397207] uealc crc32 : d08cb000 51200 [ 25.401583] uealc crc32 : d08cb000 52224 [ 25.405936] uealc crc32 : d08cb000 53248 [ 25.410326] uealc crc32 : d08cb000 54272 [ 25.414688] uealc crc32 : d08cb000 55296 [ 25.419084] uealc crc32 : d08cb000 56320 [ 25.423455] uealc crc32 : d08cb000 57344 [ 25.427827] uealc crc32 : d08cb000 58368 [ 25.432238] uealc crc32 : d08cb000 59392 [ 25.436621] uealc crc32 : d08cb000 60416 [ 25.441033] uealc crc32 : d08cb000 61440 [ 25.445423] uealc crc32 : d08cb000 62464 [ 25.449852] uealc crc32 : d08cb000 63488 [ 25.454254] uealc crc32 : d08cb000 64512 [ 25.458658] uealc crc32 : d08cb000 65536 [ 25.463097] uealc crc32 : d08cb000 66560 [ 25.467508] uealc crc32 : d08cb000 67584 [ 25.471953] uealc crc32 : d08cb000 68608 [ 25.476372] uealc crc32 : d08cb000 69632 [ 25.480823] uealc crc32 : d08cb000 70656 [ 25.485251] uealc crc32 : d08cb000 71680 [ 25.489712] uealc crc32 : d08cb000 72704 [ 25.494147] uealc crc32 : d08cb000 73728 [ 25.498584] uealc crc32 : d08cb000 74752 [ 25.503058] uealc crc32 : d08cb000 75776 [ 25.507505] uealc crc32 : d08cb000 76800 [ 25.511988] uealc crc32 : d08cb000 77824 [ 25.516443] uealc crc32 : d08cb000 78848 [ 25.520935] uealc crc32 : d08cb000 79872 [ 25.525399] uealc crc32 : d08cb000 80896 [ 25.529899] uealc crc32 : d08cb000 81920 [ 25.534369] uealc crc32 : d08cb000 82944 [ 25.538876] uealc crc32 : d08cb000 83968 [ 25.543359] uealc crc32 : d08cb000 84992 [ 25.547844] uealc crc32 : d08cb000 86016 [ 25.552366] uealc crc32 : d08cb000 87040 [ 25.556859] uealc crc32 : d08cb000 88064 [ 25.561383] uealc crc32 : d08cb000 89088 [ 25.565885] uealc crc32 : d08cb000 90112 [ 25.570423] uealc crc32 : d08cb000 91136 [ 25.574935] uealc crc32 : d08cb000 92160 [ 25.579479] uealc crc32 : d08cb000 93184 [ 25.583997] uealc crc32 : d08cb000 94208 [ 25.588517] uealc crc32 : d08cb000 95232 [ 25.593115] uealc crc32 : d08cb000 96256 [ 25.597648] uealc crc32 : d08cb000 97280 [ 25.602226] uealc crc32 : d08cb000 98304 [ 25.606766] uealc crc32 : d08cb000 99328 [ 25.611340] uealc crc32 : d08cb000 100352 [ 25.615978] uealc crc32 : d08cb000 101376 [ 25.620652] uealc crc32 : d08cb000 102400 [ 25.625300] uealc crc32 : d08cb000 103424 [ 25.629984] uealc crc32 : d08cb000 104448 [ 25.634637] uealc crc32 : d08cb000 105472 [ 25.639325] uealc crc32 : d08cb000 106496 [ 25.643988] uealc crc32 : d08cb000 107520 [ 25.648650] uealc crc32 : d08cb000 108544 [ 25.653370] uealc crc32 : d08cb000 109568 [ 25.658047] uealc crc32 : d08cb000 110592 [ 25.662764] uealc crc32 : d08cb000 111616 [ 25.667449] uealc crc32 : d08cb000 112640 [ 25.672168] uealc crc32 : d08cb000 113664 [ 25.676858] uealc crc32 : d08cb000 114688 [ 25.681581] uealc crc32 : d08cb000 115712 [ 25.686276] uealc crc32 : d08cb000 116736 [ 25.691010] uealc crc32 : d08cb000 117760 [ 25.695717] uealc crc32 : d08cb000 118784 [ 25.700462] uealc crc32 : d08cb000 119808 [ 25.705177] uealc crc32 : d08cb000 120832 [ 25.709929] uealc crc32 : d08cb000 121856 [ 25.714654] uealc crc32 : d08cb000 122880 [ 25.719414] uealc crc x [ 27.527375] UBIFS: free space fixup complete [ 27.550760] UBIFS: background thread "ubifs_bgt0_0" started, PID 660 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of 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