BUG in JFFS2 kernel 2.6.27

[joakim.tjernlund at transmode.se]

Just got this BUG:

Data CRC 22c90447 != calculated CRC cbf47f8b for node at 07d2aadc
------------[ cut here ]------------
kernel               BUG               at              fs/jffs2/file.c:251!
Oops:      Exception      in      kernel      mode,     sig:     5     [#1]
TMCUTU
NIP:        c00eb5d0        LR:        c004ab34        CTR:        c00eb57c
REGS:      ce217bf0      TRAP:     0700       Not     tainted      (2.6.27)
MSR:     00029032    <EE,ME,IR,DR>     CR:    24022422     XER:    00000000
TASK       =       ce1d6800[424]      'ne_swumd'      THREAD:      ce216000
GPR00:  00000001  ce217ca0  ce1d6800  ce296520  cf51b708  00000000 002a6000
00001000
GPR08:  00001000  00000000  c016bac4  cf86f600  00400000  10069018 10060000
00000000
GPR16:  002a6000  00000000  00000000  c021010c  00000000  ce296520 cf86f400
cf51b648
GPR24:  00000000  00001000  00000000  002a6000  00000000  cf51b670 ce216000
c0441820
NIP                  [c00eb5d0]                  jffs2_write_end+0x54/0x228
LR            [c004ab34]            generic_file_buffered_write+0x178/0x634
Call                                                                 Trace:
[ce217ca0]       [c016aa94]       release_sock+0x94/0xa8       (unreliable)
[ce217ce0]        [c004ab34]        generic_file_buffered_write+0x178/0x634
[ce217d70]      [c004b394]      __generic_file_aio_write_nolock+0x3a4/0x568
[ce217df0]           [c004b6b0]           generic_file_aio_write+0x68/0x120
[ce217e20]                [c006a1a4]               do_sync_write+0xc8/0x13c
[ce217ef0]                  [c006a2b4]                 vfs_write+0x9c/0x174
[ce217f10]                  [c006a468]                  sys_write+0x4c/0x90
[ce217f40]               [c000f3ec]               ret_from_syscall+0x0/0x38
--- Exception: c01 at 0xf9c1744
    LR = 0x1003ce20
Instruction dump:
83a40000 7f384214 54dc053a 817d008c 82cb019c 92e10008 3afdffd8 80090000
70090008  41820004  7c000026 54001ffe <0f000000> 6b291000 7d2bfe70 7d604a78
---[ end trace 79c27f7a1b03cf81 ]---

Anyone seen something similar?


Found a few JFFS2 messages in dmesg boot too:

Empty flash at 0x0779bf20 ends at 0x0779cb1c
Empty flash at 0x07cd1c00 ends at 0x07cdb11c
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x07cdb11c:
0xffff instead
Empty flash at 0x07cdb120 ends at 0x07cdbd1c
jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x07cdbd1c:
0xffff instead
Empty flash at 0x07cdbd20 ends at 0x07cdcb1c
.....

   Jocke
PS.
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