JFFS2 OOPS in 2.6.20

Joakim Tjernlund joakim.tjernlund at transmode.se
Thu Mar 8 12:14:19 EST 2007

Got a board with that has been powercycle tested while writing to JFFS2
FS with the following OOPS:
IP-Config: Complete:
      device=eth1, addr=, mask=,
     host=L_172_Node, domain=, nis-domain=(none),
     bootserver=, rootserver=, rootpath=
eth0: PHY is Generic MII (ffffffff)
------------[ cut here ]------------
Kernel BUG at c00d0a38 [verbose debug info unavailable]
Oops: Exception in kernel mode, sig: 5 [#1]

NIP: C00D0A38 LR: C00D09F8 CTR: 00000000
REGS: cfe8bd60 TRAP: 0700   Not tainted  (2.6.20)
MSR: 00029032 <EE,ME,IR,DR>  CR: 28028048  XER: 20000000
TASK = cff107f0[137] 'jffs2_gcd_mtd6' THREAD: cfe8a000
GPR00: 00000001 CFE8BE10 CFF107F0 00000000 C07EA6C8 00000000 00000000
GPR08: C01CF678 01383E70 00000000 00000000 28028084 FC038F43 CFE8BE38
GPR16: CFE8BE38 C01D0000 00000000 C0733E70 CFE8BE24 CFE8BE20 CFF29A0C
GPR24: 00000754 CFE8BEA0 CFF29A00 CFF48000 C0733E88 00000001 C07EA6C0
NIP [C00D0A38] jffs2_do_read_inode_internal+0x134/0xfe8
LR [C00D09F8] jffs2_do_read_inode_internal+0xf4/0xfe8
Call Trace:
[CFE8BE10] [C00D09D4] jffs2_do_read_inode_internal+0xd0/0xfe8
[CFE8BE90] [C00D1944] jffs2_do_crccheck_inode+0x58/0xb4
[CFE8BF00] [C00D58C8] jffs2_garbage_collect_pass+0x174/0x6c4
[CFE8BF50] [C00D70F4] jffs2_garbage_collect_thread+0xa0/0x11c
[CFE8BFF0] [C000FF70] kernel_thread+0x44/0x60
Instruction dump:
38000000 6000e001 7f860000 419e03ec 38000000 6000e002 7f860000 419e05f0 
813c0004 71200003 7c000026 54001ffe <0f000000> 60c92000 b13e0002
 VFS: Mounted root (jffs2 filesystem).
Freeing unused kernel memory: 128k init

If someone can make an guess whats wrong, I would be a happy man


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