From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from co202.xi-lite.net ([149.6.83.202]) by bombadil.infradead.org with esmtp (Exim 4.72 #1 (Red Hat Linux)) id 1OYZuC-0005iZ-Ad for linux-mtd@lists.infradead.org; Tue, 13 Jul 2010 07:27:54 +0000 Received: from ONYX.xi-lite.lan (unknown [193.34.35.243]) by co202.xi-lite.net (Postfix) with ESMTPS id 3EC742602B4 for ; Tue, 13 Jul 2010 09:27:49 +0200 (CEST) Message-ID: <4C3C1572.8080501@parrot.com> Date: Tue, 13 Jul 2010 09:27:46 +0200 From: Matthieu CASTET MIME-Version: 1.0 To: "linux-mtd@lists.infradead.org" Subject: Re: ubifs : corruption after power cut test References: <4C346D5B.2000609@parrot.com> In-Reply-To: <4C346D5B.2000609@parrot.com> Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi, we found some bug in our driver. Now there no more ubifs error when there is uncorrectable ecc error (they should happen in the last (interrupted) written page). But now we got "validate_master: bad master node at offset 69632 error 7" [1]. The error is not very clear to me. What does it means ? What could cause it. Thanks Matthieu [1] [...] UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 69632 UBIFS DBG (pid 288): ubifs_scan: look at LEB 1:69632 (57344 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 1:70144 (56832 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 71680 UBIFS DBG (pid 288): ubifs_scan: look at LEB 1:71680 (55296 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: hit empty space UBIFS DBG (pid 288): ubifs_end_scan: stop scanning LEB 1 at offset 71680 UBIFS DBG (pid 288): ubifs_start_scan: scan LEB 2:0 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:0 (126976 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:512 (126464 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 2048 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:2048 (124928 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:2560 (124416 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 4096 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:4096 (122880 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:4608 (122368 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 6144 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:6144 (120832 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:6656 (120320 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 8192 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:8192 (118784 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:8704 (118272 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 10240 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:10240 (116736 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:10752 (116224 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 12288 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:12288 (114688 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:12800 (114176 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 14336 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:14336 (112640 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:14848 (112128 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 16384 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:16384 (110592 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:16896 (110080 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 18432 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:18432 (108544 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:18944 (108032 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 20480 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:20480 (106496 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:20992 (105984 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 22528 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:22528 (104448 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:23040 (103936 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 24576 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:24576 (102400 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:25088 (101888 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 26624 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:26624 (100352 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:27136 (99840 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 28672 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:28672 (98304 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:29184 (97792 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 30720 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:30720 (96256 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:31232 (95744 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 32768 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:32768 (94208 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:33280 (93696 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 34816 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:34816 (92160 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:35328 (91648 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 36864 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:36864 (90112 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:37376 (89600 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 38912 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:38912 (88064 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:39424 (87552 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 40960 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:40960 (86016 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:41472 (85504 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 43008 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:43008 (83968 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:43520 (83456 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 45056 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:45056 (81920 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:45568 (81408 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 47104 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:47104 (79872 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:47616 (79360 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 49152 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:49152 (77824 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:49664 (77312 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 51200 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:51200 (75776 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:51712 (75264 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 53248 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:53248 (73728 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:53760 (73216 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 55296 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:55296 (71680 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:55808 (71168 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 57344 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:57344 (69632 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:57856 (69120 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 59392 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:59392 (67584 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:59904 (67072 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 61440 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:61440 (65536 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:61952 (65024 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 63488 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:63488 (63488 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:64000 (62976 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 65536 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:65536 (61440 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:66048 (60928 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 67584 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:67584 (59392 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:68096 (58880 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 69632 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:69632 (57344 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning master node UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:70144 (56832 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: scanning padding node UBIFS DBG (pid 288): ubifs_scan_a_node: 1508 bytes padded, offset now 71680 UBIFS DBG (pid 288): ubifs_scan: look at LEB 2:71680 (55296 bytes left) UBIFS DBG (pid 288): ubifs_scan_a_node: hit empty space UBIFS DBG (pid 288): ubifs_end_scan: stop scanning LEB 2 at offset 71680 UBIFS error (pid 288): validate_master: bad master node at offset 69632 error 7 magic 0x6101831 crc 0xf1cb595d node_type 7 (master node) group_type 0 (no node group) sqnum 53559169 len 512 highest_inum 50055 commit number 208832 flags 0x2 log_lnum 3 root_lnum 42 root_offs 78864 root_len 68 gc_lnum 4294967295 ihead_lnum 42 ihead_offs 79872 index_size 81072 lpt_lnum 6 lpt_offs 27032 nhead_lnum 6 nhead_offs 28672 ltab_lnum 6 ltab_offs 26624 lsave_lnum 0 lsave_offs 0 lscan_lnum 58 leb_cnt 122 empty_lebs 1 idx_lebs 3 total_free 327680 total_dirty 4500616 total_used 9438920 total_dead 0 total_dark 620816 UBIFS DBG (pid 292): ubifs_bg_thread: background thread "ubifs_bgt3_0" stops