On 12/27/06, Linus Torvalds <[EMAIL PROTECTED]> wrote:
[ Modified test-program that tells you where the corruption happens (and when the missing parts were supposed to be written out) appended, in case people care. ]
For the record, this is the output from a run on our ARM machine (32 MB RAM) with 2.6.18 + the following patches: mm: tracking shared dirty pages mm: balance dirty pages mm: optimize the new mprotect() code a bit mm: small cleanup of install_page() mm: fixup do_wp_page() mm: msync() cleanup It is at all suprising that the second offset within a page can be less than the first offset within a page ? e.g. Chunk 260 corrupted (1-1455) (2769-127) $ ./linus-test Writing chunk 279/280 (99%) Chunk 256 corrupted (1-1455) (1025-2479) Expected 0, got 1 Written as (82)175(56) Chunk 258 corrupted (1-1455) (3945-1303) Expected 2, got 3 Written as (56)51(20) Chunk 260 corrupted (1-1455) (2769-127) Expected 4, got 5 Written as (20)30(18) Chunk 262 corrupted (1-1455) (1593-3047) Expected 6, got 7 Written as (18)196(158) Chunk 264 corrupted (1-1455) (417-1871) Expected 8, got 9 Written as (158)133(146) Chunk 266 corrupted (1-1455) (3337-695) Expected 10, got 11 Written as (146)43(77) Chunk 268 corrupted (1-1455) (2161-3615) Expected 12, got 13 Written as (77)251(211) Chunk 270 corrupted (1-1455) (985-2439) Expected 14, got 15 Written as (211)257(231) Chunk 272 corrupted (1-1455) (3905-1263) Expected 16, got 17 Written as (231)254(154) Chunk 274 corrupted (1-1455) (2729-87) Expected 18, got 19 Written as (154)11(85) Chunk 276 corrupted (1-1455) (1553-3007) Expected 20, got 21 Written as (85)230(134) Chunk 278 corrupted (1-1455) (377-1831) Expected 22, got 23 Written as (134)233(103) Checking chunk 279/280 (99%) Gordon -- Gordon Farquharson - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
