ubifs mount fails at ubifs_unpack_bits+0x120/0x1fc
Here's the attach followed by a mount request that fails with ubifs_unpack_bits+0x120/0x1fc.
Any ideas?
Cal Page
UBI: attaching mtd12 to ubi0
UBI: physical eraseblock size: 131072 bytes (128 KiB)
UBI: logical eraseblock size: 126976 bytes
UBI: smallest flash I/O unit: 2048
UBI: sub-page size: 512
UBI: VID header offset: 2048 (aligned 2048)
UBI: data offset: 4096
UBI: attached mtd12 to ubi0
UBI: MTD device name: "nand_part2"
UBI: MTD device size: 512 MiB
UBI: number of good PEBs: 4095
UBI: number of bad PEBs: 1
UBI: max. allowed volumes: 128
UBI: wear-leveling threshold: 4096
UBI: number of internal volumes: 1
UBI: number of user volumes: 2
UBI: available PEBs: 0
UBI: total number of reserved PEBs: 4095
UBI: number of PEBs reserved for bad PEB handling: 40
UBI: max/mean erase counter: 8/4
UBI: background thread "ubi_bgt0d" started, PID 2077
UBI device number 0, total 4095 LEBs (519966720 bytes, 495.9 MiB), available 0 L EBs (0 bytes), LEB size 126976 bytes (124.0 KiB)
UBIFS: background thread "ubifs_bgt0_1" started, PID 2082
UBIFS: recovery needed
Unable to handle kernel paging request at virtual address c88d9003 pgd = c5ca4000 [c88d9003] *pgd=a7c18011, *pte=00000000, *ppte=00000000 Internal error: Oops: 7 [#1] Modules linked in: CPU: 0 PC is at ubifs_unpack_bits+0x120/0x1fc LR is at is_a_node+0x3c/0xf0 pc : [<c0c697c8>] lr : [<c0c73acc>] Not tainted
sp : c5c91b18 ip : c5c91b40 fp : c5c91b3c
r10: c5c91b44 r9 : 0000000c r8 : 0000001c
r7 : c5c91b40 r6 : 00000000 r5 : c88d9002 r4 : 00000004 r3 : 00000000 r2 : 00000004 r1 : c5c91b40 r0 : c5c91b44
Flags: nZCv IRQs on FIQs on Mode SVC_32 Segment user
Control: 5317F
Table: A5CA4000 DAC: 00000015
Process mount (pid: 2081, stack limit = 0xc5c90250)
Stack: (0xc5c91b18 to 0xc5c92000) 1b00: c5c1c000 c5c1c000 1b20: c88d9000 c88d9002 00000000 00000000 c5c91b68 c5c91b40 c0c73acc c0c696b8 1b40: 00000000 c88d9002 c60ff620 c5c1c000 0001eee4 c5c90000 0000000c c5c91bb8 1b60: c5c91b6c c0c73d04 c0c73aa0 0001f000 00000000 00000000 c88d9000 0001a26b 1b80: 000003c8 00000000 00000000 00000100 c5c91c24 c5c1c000 c5c1c000 00000000 1ba0: 00000004 c5c1c3c4 00000120 c5c91bec c5c91bbc c0c75788 c0c73b90 00000120 1bc0: 00000000 c5c91c24 c65124e4 c5c1c000 00000000 00000004 c5c1c000 00000120 1be0: c5c91c64 c5c91bf0 c0c5fb9c c0c7571c c60ff83c c0d28a54 00000000 00000000 1c00: 80000001 c5c1c000 c5b6c2f0 00fa3df8 00000000 c5c91c58 c5c91c24 c0c6efd8 1c20: c0c6e018 00000000 00000000 c657a780 000006ba 00013ee0 00000058 00000007 1c40: c5c90000 c5c1c09c c5c1c000 c5c1c000 c6512400 00000000 c5c91c80 c5c91c68 1c60: c0c603a8 c0c5fa74 c5c1c338 c0f22240 000000ad c5c91ccc c5c91c84 c0c73284 1c80: c0c6029c 00000000 00000020 00000000 00000000 000009dd 00000000 c891c00b 1ca0: 00000000 c5c1c338 c5c1c338 00000000 00000000 0001f000 00000001 00000000 1cc0: c5c91d50 c5c91cd0 c0c4f21c c0c72bf4 c5c91d0c c5c91ce0 c5c1c8bc c5c91cfc 1ce0: 00000020 00000005 c0e43ad8 c6512724 c6512724 00000005 c0ca7188 00000000 1d00: c5c90020 c6512600 c5c90000 c5cea000 c6512600 c66b1be0 c5c1c37c c5c1c4c4 1d20: c5c1c374 00000000 00000000 c6512600 c66b1be0 c6512600 00008000 c5cea000 1d40: c0e98bac c5c91dbc c5c91d54 c0c5114c c0c4e6bc c0beb244 00000000 00000001 1d60: 00000f2d 1d673000 00000000 c5c89000 00000003 00000000 00000000 00000001 1d80: 0001f000 00000004 c66aa5dc 0f800002 c5c89006 c7c0caa0 fffffff4 c5c89000 1da0: c5cea000 c0e98bac c5cea000 c5c86000 c5c91de4 c5c91dc0 c0bd5044 c0c50e74 1dc0: c7c0caa0 c0e98bac ffffffed c5cea000 c5c89000 00008000 c5c91e00 c5c91de8 1de0: c0bd592c c0bd4ffc 00000000 00000000 00000000 c5c91f74 c5c91e04 c0bec880 1e00: c0bd5904 00000002 c65fc394 c5c91e28 c5c91e1c c0ba4fc8 c0ca69f0 c5c91e60 1e20: c5c91e2c c0b7592c c0ba4fc8 00000000 c5c91f4c 00000017 ffffffff c0e8e788 1e40: 00000017 c5c91f0c 00076000 20000013 40169000 c5c91f08 c5c91e64 c0b75ab0 1e60: c0b75724 c64d18a0 c5c91ecc c5c91ecc c6071000 c5c91ea8 c5c91e84 c0bddc8c 1e80: c0bdd694 c5c91e90 c6071000 00000001 fffffffe 00000001 c5c91ecc c5c90000 1ea0: 20000013 c5c90000 c5c91f00 c5c91eb8 c0bb52e4 c0bb4c30 00000044 00000044 1ec0: 000200d0 00000001 00000000 00000001 c0e948bc c0e948bc 00000000 00075018 1ee0: 000000d0 c0e948bc ffffffff c5c91f40 00000018 c6b07a14 c7c0c7a0 c5c91f74 1f00: c5c91f0c c0b6f980 00000001 00000001 00000000 00000000 00076000 00001000 1f20: 00075018 00000018 c5cea000 c5c91f84 c5c90000 40169000 c5c91f74 00000000 1f40: c5c91f54 00000000 c0beb080 00000000 c6071000 bec92e6f 00008000 c0b6ff84 1f60: c5c90000 40169000 c5c91fa4 c5c91f78 c0bec978 c0bec2c0 c5cea000 c5c89000 1f80: c5c86000 c5cea000 00075018 bec92ca0 4001d660 00000015 00000000 c5c91fa8 1fa0: c0b6fde0 c0bec8f8 00075018 bec92ca0 bec92e6f bec92e76 bec92e69 00008000 1fc0: 00075018 bec92ca0 4001d660 00075018 00008000 00000000 40169000 00000000 1fe0: 40111e60 bec92bec 00034968 40111e6c 60000010 bec92e6f 00000000 00000000 Backtrace: [<c0c696a8>] (ubifs_unpack_bits+0x0/0x1fc) from [<c0c73acc>] (is_a_node+0x3c/0xf
0)
[<c0c73a90>] (is_a_node+0x0/0xf0) from [<c0c73d04>] (dbg_check_ltab+0x184/0x644) r8 = 0000000C r7 = C5C90000 r6 = 0001EEE4 r5 = C5C1C000
r4 = C60FF620 [<c0c73b80>] (dbg_check_ltab+0x0/0x644) from [<c0c75788>] (ubifs_lpt_start_commi
t+0x7c/0xabc) [<c0c7570c>] (ubifs_lpt_start_commit+0x0/0xabc) from [<c0c5fb9c>] (do_commit+0x1
38/0x828)
[<c0c5fa64>] (do_commit+0x0/0x828) from [<c0c603a8>] (ubifs_run_commit+0x11c/0x1
58)
[<c0c6028c>] (ubifs_run_commit+0x0/0x158) from [<c0c73284>] (ubifs_rcvry_gc_comm
it+0x6a0/0x740) r6 = 000000AD r5 = C0F22240 r4 = C5C1C338 [<c0c72be4>] (ubifs_rcvry_gc_commit+0x0/0x740) from [<c0c4f21c>] (ubifs_fill_sup er+0xb70/0x18a0) [<c0c4e6ac>] (ubifs_fill_super+0x0/0x18a0) from [<c0c5114c>] (ubifs_get_sb+0x2e8
/0x364)
[<c0c50e64>] (ubifs_get_sb+0x0/0x364) from [<c0bd5044>] (vfs_kern_mount+0x58/0x9
0)
[<c0bd4fec>] (vfs_kern_mount+0x0/0x90) from [<c0bd592c>] (do_kern_mount+0x38/0x4
c)
r8 = 00008000 r7 = C5C89000 r6 = C5CEA000 r5 = FFFFFFED
r4 = C0E98BAC [<c0bd58f4>] (do_kern_mount+0x0/0x4c) from [<c0bec880>] (do_mount+0x5d0/0x638)
r6 = 00000000 r5 = 00000000 r4 = 00000000 [<c0bec2b0>] (do_mount+0x0/0x638) from [<c0bec978>] (sys_mount+0x90/0xdc) [<c0bec8e8>] (sys_mount+0x0/0xdc) from [<c0b6fde0>] (ret_fast_syscall+0x0/0x2c)
r7 = 00000015 r6 = 4001D660 r5 = BEC92CA0 r4 = 00075018
Code: e3130004 1a000000 ebfc28ad e3560000 (e5d5e001) Segmentation fault
Quoted 120 lines · Cal Page
Here's the attach followed by a mount request that fails with
ubifs_unpack_bits+0x120/0x1fc.Any ideas?
Cal Page
UBI: attaching mtd12 to ubi0
UBI: physical eraseblock size: 131072 bytes (128 KiB)
UBI: logical eraseblock size: 126976 bytes
UBI: smallest flash I/O unit: 2048
UBI: sub-page size: 512
UBI: VID header offset: 2048 (aligned 2048)
UBI: data offset: 4096
UBI: attached mtd12 to ubi0
UBI: MTD device name: "nand_part2"
UBI: MTD device size: 512 MiB
UBI: number of good PEBs: 4095
UBI: number of bad PEBs: 1
UBI: max. allowed volumes: 128
UBI: wear-leveling threshold: 4096
UBI: number of internal volumes: 1
UBI: number of user volumes: 2
UBI: available PEBs: 0
UBI: total number of reserved PEBs: 4095
UBI: number of PEBs reserved for bad PEB handling: 40
UBI: max/mean erase counter: 8/4
UBI: background thread "ubi_bgt0d" started, PID 2077
UBI device number 0, total 4095 LEBs (519966720 bytes, 495.9 MiB), available 0 L EBs (0 bytes), LEB size 126976 bytes (124.0 KiB)
UBIFS: background thread "ubifs_bgt0_1" started, PID 2082
UBIFS: recovery neededUnable to handle kernel paging request at virtual address c88d9003 pgd = c5ca4000 [c88d9003] *pgd=a7c18011, *pte=00000000, *ppte=00000000 Internal error: Oops: 7 [#1] Modules linked in: CPU: 0 PC is at ubifs_unpack_bits+0x120/0x1fc LR is at is_a_node+0x3c/0xf0 pc : [<c0c697c8>] lr : [<c0c73acc>] Not taintedsp :
c5c91b18ip :c5c91b40fp :c5c91b3c
r10:c5c91b44r9 :0000000cr8 :0000001c
r7 :c5c91b40r6 : 00000000 r5 :c88d9002r4 : 00000004 r3 : 00000000 r2 : 00000004 r1 :c5c91b40r0 :c5c91b44
Flags: nZCv IRQs on FIQs on ModeSVC_32Segment user
Control: 5317F
Table: A5CA4000 DAC: 00000015
Process mount (pid: 2081, stack limit =0xc5c90250)Stack: (0xc5c91b18 to 0xc5c92000)1b00:
c5c1c000c5c1c000
1b20:c88d9000c88d900200000000 00000000c5c91b68c5c91b40c0c73accc0c696b81b40: 00000000c88d9002c60ff620c5c1c0000001eee4c5c900000000000cc5c91bb81b60:c5c91b6cc0c73d04c0c73aa00001f00000000000 00000000c88d90000001a26b1b80:000003c800000000 00000000 00000100c5c91c24c5c1c000c5c1c00000000000 1ba0: 00000004c5c1c3c400000120c5c91becc5c91bbcc0c75788c0c73b9000000120 1bc0: 00000000c5c91c24c65124e4c5c1c00000000000 00000004c5c1c00000000120 1be0:c5c91c64c5c91bf0c0c5fb9cc0c7571cc60ff83cc0d28a5400000000 00000000 1c00: 80000001c5c1c000c5b6c2f000fa3df800000000c5c91c58c5c91c24c0c6efd81c20:c0c6e01800000000 00000000c657a780000006ba00013ee000000058 00000007 1c40:c5c90000c5c1c09cc5c1c000c5c1c000c651240000000000c5c91c80c5c91c681c60:c0c603a8c0c5fa74c5c1c338c0f22240000000adc5c91cccc5c91c84c0c732841c80:c0c6029c00000000 00000020 00000000 00000000000009dd00000000c891c00b1ca0: 00000000c5c1c338c5c1c33800000000 000000000001f00000000001 00000000 1cc0:c5c91d50c5c91cd0c0c4f21cc0c72bf4c5c91d0cc5c91ce0c5c1c8bcc5c91cfc1ce0: 00000020 00000005c0e43ad8c6512724c651272400000005c0ca718800000000 1d00:c5c90020c6512600c5c90000c5cea000c6512600c66b1be0c5c1c37cc5c1c4c41d20:c5c1c37400000000 00000000c6512600c66b1be0c651260000008000c5cea0001d40:c0e98bacc5c91dbcc5c91d54c0c5114cc0c4e6bcc0beb24400000000 00000001 1d60:00000f2d1d67300000000000c5c8900000000003 00000000 00000000 00000001 1d80:0001f00000000004c66aa5dc0f800002c5c89006c7c0caa0fffffff4c5c890001da0:c5cea000c0e98bacc5cea000c5c86000c5c91de4c5c91dc0c0bd5044c0c50e741dc0:c7c0caa0c0e98bacffffffedc5cea000c5c8900000008000c5c91e00c5c91de81de0:c0bd592cc0bd4ffc00000000 00000000 00000000c5c91f74c5c91e04c0bec8801e00:c0bd590400000002c65fc394c5c91e28c5c91e1cc0ba4fc8c0ca69f0c5c91e601e20:c5c91e2cc0b7592cc0ba4fc800000000c5c91f4c00000017 ffffffffc0e8e7881e40: 00000017c5c91f0c00076000 20000013 40169000c5c91f08c5c91e64c0b75ab01e60:c0b75724c64d18a0c5c91eccc5c91eccc6071000c5c91ea8c5c91e84c0bddc8c1e80:c0bdd694c5c91e90c607100000000001 fffffffe 00000001c5c91eccc5c900001ea0: 20000013c5c90000c5c91f00c5c91eb8c0bb52e4c0bb4c3000000044 00000044 1ec0:000200d000000001 00000000 00000001c0e948bcc0e948bc00000000 00075018 1ee0:000000d0c0e948bcffffffffc5c91f4000000018c6b07a14c7c0c7a0c5c91f741f00:c5c91f0cc0b6f98000000001 00000001 00000000 00000000 00076000 00001000 1f20: 00075018 00000018c5cea000c5c91f84c5c9000040169000c5c91f7400000000 1f40:c5c91f5400000000c0beb08000000000c6071000bec92e6f00008000c0b6ff841f60:c5c9000040169000c5c91fa4c5c91f78c0bec978c0bec2c0c5cea000c5c890001f80:c5c86000c5cea00000075018bec92ca04001d66000000015 00000000c5c91fa81fa0:c0b6fde0c0bec8f800075018bec92ca0bec92e6fbec92e76bec92e6900008000 1fc0: 00075018bec92ca04001d66000075018 00008000 00000000 40169000 00000000 1fe0:40111e60bec92bec0003496840111e6c60000010bec92e6f00000000 00000000Backtrace: [<c0c696a8>] (ubifs_unpack_bits+0x0/0x1fc) from [<c0c73acc>] (is_a_node+0x3c/0xf0)
[<c0c73a90>] (is_a_node+0x0/0xf0) from [<c0c73d04>] (dbg_check_ltab+0x184/0x644)
r8 = 0000000C r7 = C5C90000 r6 = 0001EEE4 r5 = C5C1C000
r4 = C60FF620
[<c0c73b80>] (dbg_check_ltab+0x0/0x644) from [<c0c75788>] (ubifs_lpt_start_commit+0x7c/0xabc) [<c0c7570c>] (ubifs_lpt_start_commit+0x0/0xabc) from [<c0c5fb9c>] (do_commit+0x138/0x828)
[<c0c5fa64>] (do_commit+0x0/0x828) from [<c0c603a8>] (ubifs_run_commit+0x11c/0x1
58)
[<c0c6028c>] (ubifs_run_commit+0x0/0x158) from [<c0c73284>] (ubifs_rcvry_gc_commit+0x6a0/0x740) r6 = 000000AD r5 = C0F22240 r4 = C5C1C338 [<c0c72be4>] (ubifs_rcvry_gc_commit+0x0/0x740) from [<c0c4f21c>] (ubifs_fill_sup er+0xb70/0x18a0) [<c0c4e6ac>] (ubifs_fill_super+0x0/0x18a0) from [<c0c5114c>] (ubifs_get_sb+0x2e8/0x364)
[<c0c50e64>] (ubifs_get_sb+0x0/0x364) from [<c0bd5044>] (vfs_kern_mount+0x58/0x9
0)
[<c0bd4fec>] (vfs_kern_mount+0x0/0x90) from [<c0bd592c>] (do_kern_mount+0x38/0x4
c)
r8 = 00008000 r7 = C5C89000 r6 = C5CEA000 r5 = FFFFFFED
r4 = C0E98BAC
[<c0bd58f4>] (do_kern_mount+0x0/0x4c) from [<c0bec880>] (do_mount+0x5d0/0x638)
r6 = 00000000 r5 = 00000000 r4 = 00000000
[<c0bec2b0>] (do_mount+0x0/0x638) from [<c0bec978>] (sys_mount+0x90/0xdc) [<c0bec8e8>] (sys_mount+0x0/0xdc) from [<c0b6fde0>] (ret_fast_syscall+0x0/0x2c)
r7 = 00000015 r6 = 4001D660 r5 = BEC92CA0 r4 = 00075018
Quoted 2 lines
Code: e3130004 1a000000 ebfc28ad e3560000 (e5d5e001) Segmentation fault
Hmm.
What is your kernel?
What is the last UBIFS commit you have?
Could please you put printks to ubifs_unpack_bits() (it is in fs/ubifs/lpt.c) and find out which exactly line of C code causes segfault and why?
Signature · 2 lines
Best regards, Artem Bityutskiy (Битюцкий Артём)
Quoted 79 lines · Cal Page
Here's the attach followed by a mount request that fails with
ubifs_unpack_bits+0x120/0x1fc.Any ideas?
Cal Page
UBI: attaching mtd12 to ubi0
UBI: physical eraseblock size: 131072 bytes (128 KiB)
UBI: logical eraseblock size: 126976 bytes
UBI: smallest flash I/O unit: 2048
UBI: sub-page size: 512
UBI: VID header offset: 2048 (aligned 2048)
UBI: data offset: 4096
UBI: attached mtd12 to ubi0
UBI: MTD device name: "nand_part2"
UBI: MTD device size: 512 MiB
UBI: number of good PEBs: 4095
UBI: number of bad PEBs: 1
UBI: max. allowed volumes: 128
UBI: wear-leveling threshold: 4096
UBI: number of internal volumes: 1
UBI: number of user volumes: 2
UBI: available PEBs: 0
UBI: total number of reserved PEBs: 4095
UBI: number of PEBs reserved for bad PEB handling: 40
UBI: max/mean erase counter: 8/4
UBI: background thread "ubi_bgt0d" started, PID 2077
UBI device number 0, total 4095 LEBs (519966720 bytes, 495.9 MiB), available 0 L EBs (0 bytes), LEB size 126976 bytes (124.0 KiB)
UBIFS: background thread "ubifs_bgt0_1" started, PID 2082
UBIFS: recovery neededUnable to handle kernel paging request at virtual address c88d9003 pgd = c5ca4000 [c88d9003] *pgd=a7c18011, *pte=00000000, *ppte=00000000 Internal error: Oops: 7 [#1] Modules linked in: CPU: 0 PC is at ubifs_unpack_bits+0x120/0x1fc LR is at is_a_node+0x3c/0xf0 pc : [<c0c697c8>] lr : [<c0c73acc>] Not taintedsp :
c5c91b18ip :c5c91b40fp :c5c91b3c
r10:c5c91b44r9 :0000000cr8 :0000001c
r7 :c5c91b40r6 : 00000000 r5 :c88d9002r4 : 00000004 r3 : 00000000 r2 : 00000004 r1 :c5c91b40r0 :c5c91b44
Flags: nZCv IRQs on FIQs on ModeSVC_32Segment user
Control: 5317F
Table: A5CA4000 DAC: 00000015
Process mount (pid: 2081, stack limit =0xc5c90250)Stack: (0xc5c91b18 to 0xc5c92000) 1b00: c5c1c000 c5c1c000 1b20: c88d9000 c88d9002 00000000 00000000 c5c91b68 c5c91b40 c0c73acc c0c696b8 1b40: 00000000 c88d9002 c60ff620 c5c1c000 0001eee4 c5c90000 0000000c c5c91bb8 1b60: c5c91b6c c0c73d04 c0c73aa0 0001f000 00000000 00000000 c88d9000 0001a26b 1b80: 000003c8 00000000 00000000 00000100 c5c91c24 c5c1c000 c5c1c000 00000000 1ba0: 00000004 c5c1c3c4 00000120 c5c91bec c5c91bbc c0c75788 c0c73b90 00000120 1bc0: 00000000 c5c91c24 c65124e4 c5c1c000 00000000 00000004 c5c1c000 00000120 1be0: c5c91c64 c5c91bf0 c0c5fb9c c0c7571c c60ff83c c0d28a54 00000000 00000000 1c00: 80000001 c5c1c000 c5b6c2f0 00fa3df8 00000000 c5c91c58 c5c91c24 c0c6efd8 1c20: c0c6e018 00000000 00000000 c657a780 000006ba 00013ee0 00000058 00000007 1c40: c5c90000 c5c1c09c c5c1c000 c5c1c000 c6512400 00000000 c5c91c80 c5c91c68 1c60: c0c603a8 c0c5fa74 c5c1c338 c0f22240 000000ad c5c91ccc c5c91c84 c0c73284 1c80: c0c6029c 00000000 00000020 00000000 00000000 000009dd 00000000 c891c00b 1ca0: 00000000 c5c1c338 c5c1c338 00000000 00000000 0001f000 00000001 00000000 1cc0: c5c91d50 c5c91cd0 c0c4f21c c0c72bf4 c5c91d0c c5c91ce0 c5c1c8bc c5c91cfc 1ce0: 00000020 00000005 c0e43ad8 c6512724 c6512724 00000005 c0ca7188 00000000 1d00: c5c90020 c6512600 c5c90000 c5cea000 c6512600 c66b1be0 c5c1c37c c5c1c4c4 1d20: c5c1c374 00000000 00000000 c6512600 c66b1be0 c6512600 00008000 c5cea000 1d40: c0e98bac c5c91dbc c5c91d54 c0c5114c c0c4e6bc c0beb244 00000000 00000001 1d60: 00000f2d 1d673000 00000000 c5c89000 00000003 00000000 00000000 00000001 1d80: 0001f000 00000004 c66aa5dc 0f800002 c5c89006 c7c0caa0 fffffff4 c5c89000 1da0: c5cea000 c0e98bac c5cea000 c5c86000 c5c91de4 c5c91dc0 c0bd5044 c0c50e74 1dc0: c7c0caa0 c0e98bac ffffffed c5cea000 c5c89000 00008000 c5c91e00 c5c91de8 1de0: c0bd592c c0bd4ffc 00000000 00000000 00000000 c5c91f74 c5c91e04 c0bec880 1e00: c0bd5904 00000002 c65fc394 c5c91e28 c5c91e1c c0ba4fc8 c0ca69f0 c5c91e60 1e20: c5c91e2c c0b7592c c0ba4fc8 00000000 c5c91f4c 00000017 ffffffff c0e8e788 1e40: 00000017 c5c91f0c 00076000 20000013 40169000 c5c91f08 c5c91e64 c0b75ab0 1e60: c0b75724 c64d18a0 c5c91ecc c5c91ecc c6071000 c5c91ea8 c5c91e84 c0bddc8c 1e80: c0bdd694 c5c91e90 c6071000 00000001 fffffffe 00000001 c5c91ecc c5c90000 1ea0: 20000013 c5c90000 c5c91f00 c5c91eb8 c0bb52e4 c0bb4c30 00000044 00000044 1ec0: 000200d0 00000001 00000000 00000001 c0e948bc c0e948bc 00000000 00075018 1ee0: 000000d0 c0e948bc ffffffff c5c91f40 00000018 c6b07a14 c7c0c7a0 c5c91f74 1f00: c5c91f0c c0b6f980 00000001 00000001 00000000 00000000 00076000 00001000 1f20: 00075018 00000018 c5cea000 c5c91f84 c5c90000 40169000 c5c91f74 00000000 1f40: c5c91f54 00000000 c0beb080 00000000 c6071000 bec92e6f 00008000 c0b6ff84 1f60: c5c90000 40169000 c5c91fa4 c5c91f78 c0bec978 c0bec2c0 c5cea000 c5c89000 1f80: c5c86000 c5cea000 00075018 bec92ca0 4001d660 00000015 00000000 c5c91fa8 1fa0: c0b6fde0 c0bec8f8 00075018 bec92ca0 bec92e6f bec92e76 bec92e69 00008000 1fc0: 00075018 bec92ca0 4001d660 00075018 00008000 00000000 40169000 00000000 1fe0: 40111e60 bec92bec 00034968 40111e6c 60000010 bec92e6f 00000000 00000000 Backtrace: [<c0c696a8>] (ubifs_unpack_bits+0x0/0x1fc) from [<c0c73acc>] (is_a_node+0x3c/0xf0)
[<c0c73a90>] (is_a_node+0x0/0xf0) from [<c0c73d04>] (dbg_check_ltab+0x184/0x644)
r8 = 0000000C r7 = C5C90000 r6 = 0001EEE4 r5 = C5C1C000
r4 = C60FF620
[<c0c73b80>] (dbg_check_ltab+0x0/0x644) from [<c0c75788>] (ubifs_lpt_start_commit+0x7c/0xabc) [<c0c7570c>] (ubifs_lpt_start_commit+0x0/0xabc) from [<c0c5fb9c>] (do_commit+0x138/0x828)
[<c0c5fa64>] (do_commit+0x0/0x828) from [<c0c603a8>] (ubifs_run_commit+0x11c/0x1
58)
[<c0c6028c>] (ubifs_run_commit+0x0/0x158) from [<c0c73284>] (ubifs_rcvry_gc_commit+0x6a0/0x740) r6 = 000000AD r5 = C0F22240 r4 = C5C1C338 [<c0c72be4>] (ubifs_rcvry_gc_commit+0x0/0x740) from [<c0c4f21c>] (ubifs_fill_sup er+0xb70/0x18a0) [<c0c4e6ac>] (ubifs_fill_super+0x0/0x18a0) from [<c0c5114c>] (ubifs_get_sb+0x2e8/0x364)
[<c0c50e64>] (ubifs_get_sb+0x0/0x364) from [<c0bd5044>] (vfs_kern_mount+0x58/0x9
0)
[<c0bd4fec>] (vfs_kern_mount+0x0/0x90) from [<c0bd592c>] (do_kern_mount+0x38/0x4
c)
r8 = 00008000 r7 = C5C89000 r6 = C5CEA000 r5 = FFFFFFED
r4 = C0E98BAC
[<c0bd58f4>] (do_kern_mount+0x0/0x4c) from [<c0bec880>] (do_mount+0x5d0/0x638)
r6 = 00000000 r5 = 00000000 r4 = 00000000
[<c0bec2b0>] (do_mount+0x0/0x638) from [<c0bec978>] (sys_mount+0x90/0xdc) [<c0bec8e8>] (sys_mount+0x0/0xdc) from [<c0b6fde0>] (ret_fast_syscall+0x0/0x2c)
r7 = 00000015 r6 = 4001D660 r5 = BEC92CA0 r4 = 00075018
Quoted 2 lines
Code: e3130004 1a000000 ebfc28ad e3560000 (e5d5e001) Segmentation fault
Hi
You should add at least the following patches to mainline 2.6.27
http://git.infradead.org/users/dedekind/ubifs-v2.6.27.git?a=commitdiff;h=52619e5dd7c728a88234fe2e22b4acdbf8bb61cb
http://git.infradead.org/users/dedekind/ubifs-v2.6.27.git?a=commitdiff;h=805367207273a625ba2eed97b96154d3a99b706e
http://git.infradead.org/users/dedekind/ubifs-v2.6.27.git?a=commitdiff;h=442c54405668322d629fd6bd765ca401ce2b8e19
Regards
Adrian