Re: Corrupted files after suspend to disk

[richard -rw- weinberger]

On Mon, Mar 12, 2012 at 10:49 PM, Dave Jones <davej@xxxxxxxxxx> wrote:
> if you compare the hexdump of the good/bad files, you find that the corruption
> happens in 8x 4 byte writes of either 0x00000000 or 0x00aaaaaa.

Yeah, it looks like the described pattern.
The attached diff shows four 8x4 byte writes of 0x00000000.

-- 
Thanks,
//richard
--- good.txt	2012-03-16 15:51:11.000000000 +0100
+++ bad.txt	2012-03-16 15:51:27.000000000 +0100
@@ -111020,8 +111020,8 @@
 001b3fd0  85 73 01 00 00 89 3c 24  e8 d3 01 02 00 8b 8c 24  |.s....<$.......$|
 001b3fe0  e0 00 00 00 8b 94 24 e4  00 00 00 8b b4 24 e0 00  |......$......$..|
 001b3ff0  00 00 8b 41 24 8b 52 08  83 c6 24 8b 48 0c 89 54  |...A$.R...$.H..T|
-001b4000  24 24 85 c9 0f 85 06 01  00 00 31 c0 8b 8c 24 e4  |$$........1...$.|
-001b4010  00 00 00 89 04 24 89 4c  24 04 e8 41 e9 ff ff 85  |.....$.L$..A....|
+001b4000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
+*
 001b4020  ed 74 45 8b 54 24 24 8b  42 4c 8b 50 3c 85 d2 0f  |.tE.T$$.BL.P<...|
 001b4030  85 43 01 00 00 c7 44 24  04 00 00 00 00 89 2c 24  |.C....D$......,$|
 001b4040  e8 ab a4 ef ff 8b 94 24  e4 00 00 00 c7 44 24 0c  |.......$.....D$.|
@@ -111276,8 +111276,8 @@
 001b4fd0  c3 25 30 0c 00 8b 50 44  f6 c2 10 0f 84 e7 00 00  |.%0...PD........|
 001b4fe0  00 8d 83 6c cd fa ff 8d  7c 24 3c 89 44 24 14 8d  |...l....|$<.D$..|
 001b4ff0  83 54 43 f9 ff 89 44 24  0c c7 44 24 10 5e 01 00  |.TC...D$..D$.^..|
-001b5000  00 c7 44 24 08 5f 1b 00  00 c7 44 24 04 01 00 00  |..D$._....D$....|
-001b5010  00 89 3c 24 e8 4b 72 ec  ff 83 ec 04 8d 54 24 38  |..<$.Kr......T$8|
+001b5000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
+*
 001b5020  89 14 24 89 54 24 2c 89  74 24 08 89 7c 24 04 e8  |..$.T$,.t$..|$..|
 001b5030  10 2b ec ff 8d 83 8c 23  f9 ff 83 ec 04 8d 6c 24  |.+.....#......l$|
 001b5040  34 89 44 24 04 c7 44 24  08 ff ff ff ff 89 2c 24  |4.D$..D$......,$|
@@ -112044,8 +112044,8 @@
 001b7fd0  8b 50 08 8d 44 90 14 89  04 24 eb 83 8d 74 26 00  |.P..D....$...t&.|
 001b7fe0  83 ec 5c 89 74 24 50 8b  74 24 60 89 5c 24 4c 89  |..\.t$P.t$`.\$L.|
 001b7ff0  7c 24 54 89 6c 24 58 8b  46 14 e8 e8 80 ec ff 81  ||$T.l$X.F.......|
-001b8000  c3 f5 ff 0b 00 8b 50 08  39 50 0c 0f 84 ab 00 00  |......P.9P......|
-001b8010  00 8d 6c 24 20 89 74 24  04 89 2c 24 e8 9f fd ff  |..l$ .t$..,$....|
+001b8000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
+*
 001b8020  ff 83 ec 04 8b 7c 24 20  85 ff 0f 88 a0 00 00 00  |.....|$ ........|
 001b8030  8b 4c 24 24 85 c9 0f 88  94 00 00 00 8b 54 24 2c  |.L$$.........T$,|
 001b8040  85 d2 0f 84 88 00 00 00  8d 7c 24 3c 89 6c 24 04  |.........|$<.l$.|
@@ -112300,8 +112300,8 @@
 001b8fd0  0b 00 89 6c 24 58 89 74  24 50 8b 74 24 60 89 7c  |...l$X.t$P.t$`.||
 001b8fe0  24 54 c7 44 24 3c 00 00  00 00 8b ab 40 27 00 00  |$T.D$<......@'..|
 001b8ff0  85 ed 0f 84 30 01 00 00  8b bb 40 27 00 00 83 c7  |....0.....@'....|
-001b9000  04 74 08 f7 c7 01 00 00  00 74 35 89 f0 e8 fe f4  |.t.......t5.....|
-001b9010  ff ff 85 c0 89 44 24 3c  74 45 85 ff 74 0c f7 c7  |.....D$<tE..t...|
+001b9000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
+*
 001b9020  01 00 00 00 0f 85 e6 00  00 00 8b 5c 24 4c 8b 74  |...........\$L.t|
 001b9030  24 50 8b 7c 24 54 8b 6c  24 58 83 c4 5c c3 66 90  |$P.|$T.l$X..\.f.|
 001b9040  89 f8 83 cf 01 83 e0 fe  89 04 24 e8 54 59 ec ff  |..........$.TY..|