m1rc3/norruption/LOG: finally got one more

m1rc3/norruption/LOG

@@ -244,11 +244,7 @@ Several corruptions were found:
 
 -00000000  ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|
 +00000000  00 00 00 00 ff ff ff ff  ff ff ff ff ff ff ff ff  |................|
- 00000010  55 99 aa 66 0c 85 00 e0  04 00 8c 85 60 14 8c 82  |U..f........`...|
+...
- 00000020  bc 00 8c 86 90 77 8c 43  20 00 01 c9 0c 87 00 f3  |.....w.C .......|
- 00000030  0c 83 00 81 04 00 04 00  04 00 04 00 04 00 04 00  |................|
-@@ -1153,6 +1153,9 @@
- 00005500  00 00 00 00 00 00 00 00  ff ff ff ff ff ff ff ff  |................|
  00005510  ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|
  *
 +00005550  ff ff ff ff ff ff d6 10  ff ff ff ff ff ff ff ff  |................|
@@ -257,4 +253,71 @@ Several corruptions were found:
 
 No CRC errors in other partitions.
 
-1 (00:50): restored standby partition. started loop again.
+1 (00:50): restored standby partition. started loop again (log9.1)
+613 (14:04): standby okay
+639 (14:38): standby failure. Other CRCs okay. Corruption:
+
+...
+-00000000  ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|
++00000000  00 00 ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|
+...
+-000014b0  00 c0 cc 26 00 00 00 00  00 00 00 00 0c 44 00 30  |...&.........D.0|
++000014b0  00 00 cc 26 00 00 00 00  00 00 00 00 0c 44 00 30  |...&.........D.0|
+...
+
+1 (14:46): restored and verified standby partition. started loop again (log9.2)
+23 (15:15): ok
+117 (17:16): standby failure. Other CRCs okay. Corruption:
+
+...
+ 000050e0  ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|
+ *
++00005140  00 00 ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|
+...
+
+1 (17:23): restored and verified standby partition. started loop again (log9.3)
+1 (17:30): restarted after X crash
+... continuing through the night ...
+
+--- Wed 2011-09-14 ------------------------------------------------------------
+
+... continuing through the whole day ...
+
+--- Thu 2011-09-15 ------------------------------------------------------------
+
+1493 (01:46): standby okay
+1584 (03:44): standby failure. CRC failure in standby and soc-rescue.
+
+Corruption in standby:
+
+-00000000  ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|
++00000000  ff ff ff ff 00 00 ff ff  ff ff ff ff ff ff ff ff  |................|
+...
+-00000a00  00 98 cc 26 00 00 00 00  00 00 00 00 0c 44 00 a0  |...&.........D..|
++00000a00  00 00 cc 26 00 00 00 00  00 00 00 00 0c 44 00 a0  |...&.........D..|
+...
+
+Read back soc-rescue:
+
+jtag> readmem 0x0A0000 0x0180000 soc-rescue.bin
+
+Corruption:
+
+-00020460  50 00 50 00 00 0f 55 5f  ff ff dd ee 00 00 00 00  |P.P...U_........|
++00020460  00 00 50 00 00 0f 55 5f  ff ff dd ee 00 00 00 00  |..P...U_........|
+
+Restore standby, then soc-rescue:
+
+wget http://milkymist.org/updates/current/soc-rescue.fpg
+jtag> flashmem 0xA0000 soc-rescue.fpg noverify
+
+1 (04:00): verified CRCs. started loop again (log9.4)
+
+Summary of recent experiments (all with "loop"):
+
+Last cycle observed	First cycle observed	Offsets of corrupted
+without corruption	with corruption		words in standby
+  70 ( 1h29)		 223 ( 4h47)		0, 2, 0x5556
+ 613 (13h14)		 639 (13h48)		0, 0x14b0
+  23 ( 0h29)		 117 ( 2h30)		0x5140
+1493 (32h16)		1584 (34h14)		4, 0xa00; soc-rescue 0x20460