Kernel oops in jffs2 mount - any ideas?
Robin Gilks
robin.gilks at tait.co.nz
Sun Nov 12 22:24:31 EST 2006
Artem Bityutskiy wrote:
> Enabling debugging messages and providing flash type and how to
> reproduce information would be helpful.
>
Chip is ST28W320CB, reproducibility is just trying to boot with the
following command line
[ 0.000000] Kernel command line: root=/dev/mtdblock1 rootfstype=jffs2
rw ip=172.25.206.113:172.25.140.15::255.255.0.0:unset:eth0:off panic=1
console=ttyCPM0
mtdparts=asif.0:64K(param),3008K(jffs),256K(u-boot),-(kernel)
It boots fine with a 2.4.22 kernel.
With mtd and jffs2 debug messages full on I get the following (different
symptoms now although I do occasionally get the original panic).
[ 13.488115] jffs2_scan_eraseblock(): Node at 0x0004aff8 {0x1985,
0xe001, 0x0000002d) has invalid CRC 0xd7218112 (calculated 0x05000000)
[ 13.514180] jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found
at 0x0004b000: 0xd721 instead
[ 13.534948] jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found
at 0x0004b010: 0x4553 instead
[ 13.552949] jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found
at 0x0004b014: 0x0502 instead
[ 13.570946] jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found
at 0x0004b018: 0xf31d instead
[ 13.589307] jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found
at 0x0004b01c: 0x584a instead
[ 13.607408] jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found
at 0x0004b020: 0x7474 instead
[ 13.625730] jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found
at 0x0004b024: 0x31ff instead
[ 14.696815] jffs2_scan_eraseblock(): Node at 0x00115ff8 {0x1985,
0xe002, 0x00000065) has invalid CRC 0xe8863260 (calculated 0x05000000)
[ 14.722213] jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found
at 0x00116000: 0xe886 instead
[ 14.748120] jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found
at 0x00116034: 0xf5b8 instead
[ 14.766139] jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found
at 0x00116038: 0x4260 instead
[ 14.784018] jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found
at 0x0011603c: 0x4465 instead
[ 14.802051] jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found
at 0x00116040: 0x3331 instead
[ 14.820047] jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found
at 0x00116044: 0x373a instead
[ 14.838014] jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found
at 0x00116048: 0x3a30 instead
[ 14.855985] jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found
at 0x0011604c: 0x7563 instead
[ 14.874020] jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found
at 0x00116050: 0x6263 instead
[ 14.891308] Further such events for this erase block will not be printed
[ 21.431374] jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found
at 0x0029ba44: 0x0020 instead
[ 23.751790] JFFS2: Erase block at 0x00290000 is not formatted. It
will be erased
[ 24.009046] Oops: kernel access of bad area, sig: 11 [#1]
[ 24.019240] NIP: C01136A0 LR: C0114294 CTR: C01136A0
[ 24.029096] REGS: c3cabcd0 TRAP: 0300 Not tainted (2.6.18-buildroot)
[ 24.042200] MSR: 00009032 <EE,ME,IR,DR> CR: 22008028 XER: 0000005F
[ 24.054824] DAR: FF80101B, DSISR: C0000000
[ 24.062957] TASK = c036a7c0[280] 'jffs2_gcd_mtd1' THREAD: c3caa000
[ 24.074859] GPR00: 00000000 C3CABD80 C036A7C0 FF800FFF C3C26678
00000000 C034CA44 F82DD7B0
[ 24.091445] GPR08: 0005CEE4 C01AD99C FF800FFF C01136A0 22008024
00000000 C3CABE38 00000000
[ 24.108034] GPR16: C3CABE24 C01C0000 C3CABDA8 00000000 C3CABE28
C3C26640 C034CA20 00000000
[ 24.124624] GPR24: 0005CEE4 C3C26640 00000028 00000000 0005CEE4
C3C26678 C03F6C14 C3C26678
[ 24.141559] NIP [C01136A0] put_chip+0xa0/0x2e8
[ 24.150374] LR [C0114294] cfi_intelext_read+0x1a0/0x240
[ 24.160735] Call Trace:
[ 24.165590] [C3CABD80] [C3C26640] 0xc3c26640 (unreliable)
[ 24.176302] [C3CABDA0] [C0114294] cfi_intelext_read+0x1a0/0x240
[ 24.188052] [C3CABDF0] [C010CA1C] part_read+0x84/0xe0
[ 24.198075] [C3CABE10] [C00B6AF0]
jffs2_do_read_inode_internal+0x12c/0x11b4
[ 24.211899] [C3CABE90] [C00B7BDC] jffs2_do_crccheck_inode+0x64/0xc0
[ 24.224340] [C3CABF00] [C00BC0EC] jffs2_garbage_collect_pass+0x194/0x8a4
[ 24.237646] [C3CABF50] [C00BDF54] jffs2_garbage_collect_thread+0xa8/0x178
[ 24.251124] [C3CABFF0] [C000514C] kernel_thread+0x44/0x60
[ 24.261823] Instruction dump:
[ 24.267703] 38636ccc 4beffc79 387f001c 38800003 38a00001 38c00000
4befb459 80010024
[ 24.283080] 83e1001c 38210020 7c0803a6 4e800020 <800a001c> 2f800000
419effd0 7d435378
[ 24.300091] VFS: Mounted root (jffs2 filesystem).
[ 24.309717] Freeing unused kernel memory: 92k init
[ 24.318739] jffs2_lookup()
[ 24.324146] jffs2_read_inode(): inode->i_ino == 3
[ 24.333388] [JFFS2 DBG] (1) jffs2_do_read_inode: read inode #3
[ 24.345076] [JFFS2 DBG] (1) jffs2_do_read_inode_internal: ino #3
nlink is 1
[ 24.358850] [JFFS2 DBG] (1) jffs2_get_inode_nodes: ino #3
[ 24.369592] jffs2_write_super()
[ 24.375795] jffs2_thread_should_wake(): unchecked_size 1131332,
checked_ino #5
[ 24.390188] Starting erase of pending block 0x00280000
[ 24.400330] Freeing all node refs for eraseblock offset 0x00280000
[ 24.412607] jffs2_erase_block(): erase block 0x280000 (range
0x280000-0x290000)
[ 24.427223] [JFFS2 DBG] (1) jffs2_get_inode_nodes: read 40 bytes at
0x04b868(2).
[ 24.442031] [JFFS2 DBG] (1) jffs2_alloc_full_dirent: c3c9ae20
[ 24.453251] [JFFS2 DBG] (1) jffs2_add_fd_to_list: add dirent "zero",
ino #166
[ 24.467737] [JFFS2 DBG] (1) jffs2_get_inode_nodes: read 40 bytes at
0x04b7f0(2).
[ 24.482114] [JFFS2 DBG] (1) jffs2_alloc_full_dirent: c3c9aba0
[ 24.493529] [JFFS2 DBG] (1) jffs2_add_fd_to_list: add dirent
"urandom", ino #165
[ 24.508215] [JFFS2 DBG] (1) jffs2_get_inode_nodes: read 40 bytes at
0x04b778(2).
[ 24.523034] [JFFS2 DBG] (1) jffs2_alloc_full_dirent: c3ca05a0
[ 24.534342] [JFFS2 DBG] (1) jffs2_add_fd_to_list: add dirent "ttyp9",
ino #164
[ 24.548625] [JFFS2 DBG] (1) jffs2_get_inode_nodes: read 40 bytes at
0x04b700(2).
[ 24.563329] [JFFS2 DBG] (1) jffs2_alloc_full_dirent: c3ca04e0
[ 24.574892] [JFFS2 DBG] (1) jffs2_add_fd_to_list: add dirent "ttyp8",
ino #163
[ 24.589064] [JFFS2 DBG] (1) jffs2_get_inode_nodes: read 40 bytes at
0x04b688(2).
[ 24.603875] [JFFS2 DBG] (1) jffs2_alloc_full_dirent: c3ca03e0
[ 24.615207] [JFFS2 DBG] (1) jffs2_add_fd_to_list: add dirent "ttyp7",
ino #162
[ 24.629501] [JFFS2 DBG] (1) jffs2_get_inode_nodes: read 40 bytes at
0x04b610(2).
[ 24.644423] [JFFS2 DBG] (1) jffs2_alloc_full_dirent: c3ca0ee0
[ 24.655598] [JFFS2 DBG] (1) jffs2_add_fd_to_list: add dirent "ttyp6",
ino #161
This continues on through the filesystem (as far as I can see) and ends
up with it hung although the kernel still responds pings (so not
everything is dead!).
--
Robin
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