Re: JFFS2/xattr problems.

David Woodhouse
2006-05-21T03:22:04Z

Upon removing a file which presumably has an xattr:

jffs2_flush_wbuf() called with alloc_sem not locked!
------------[ cut here ]------------
kernel BUG at /root/jffs2/wbuf.c:424!
invalid opcode: 0000 [#1]
last sysfs file: /class/mtd/mtd0ro/dev
Modules linked in: jffs2(U) mtdchar zlib_deflate cs553x_nand(U) nand(U) mtdpart nand_ids mtdcore nand_ecc msr ipv6 ppdev autofs4 hidp rfcomm l2cap bluetooth sunrpc dm_mirror dm_mod video button battery ac lp parport_pc parport nvram sg usbatm atm rtl8150 snd_ac97_codec snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd soundcore snd_ac97_bus snd_page_alloc ext3 jbd usb_storage sd_mod scsi_mod ohci_hcd ehci_hcd
CPU: 0
EIP: 0060:[<c822dc4e>] Not tainted VLI
EFLAGS: 00010282 (2.6.16-1.2111_FC5 #1)
EIP is at __jffs2_flush_wbuf+0x3a/0x7b9 [jffs2]
eax: 00000038 ebx: 00020000 ecx: c62bcdc0 edx: c82364f1
esi: 00000001 edi: 004ca028 ebp: c08bc400 esp: c62bcdbc
ds: 007b es: 007b ss: 0068
Process rm (pid: 4149, threadinfo=c62bc000 task=c09da550)
Stack: <0>c82364f1 00000994 00000800 00000100 00000000 00000000 0000000c 00000000
00000000 c0c5d000 c0c5d800 00000002 c824f628 0000003f 00000003 00000001
00020000 00000018 004ca028 c08bc400 c822e545 ffffffff ffffffff ffffffff
Call Trace:
[<c822e545>] jffs2_flash_writev+0x178/0x6ac [jffs2] [<c824aadb>] nand_read_ecc+0x29/0x2f [nand]
[<c822d9aa>] jffs2_flash_read+0x8a/0x22b [jffs2] [<c822eac1>] jffs2_flash_write+0x48/0x51 [jffs2]
[<c822f441>] delete_xattr_ref_node+0x9d/0x115 [jffs2] [<c822fe00>] delete_xattr_ref+0x1d/0x3b [jffs2]
[<c8230560>] jffs2_xattr_delete_inode+0x4d/0x6f [jffs2] [<c822c5a4>] jffs2_clear_inode+0x1b/0x26 [jffs2]
[<c016859d>] clear_inode+0xd5/0x102 [<c0168689>] generic_delete_inode+0xbf/0x113
[<c01680d0>] iput+0x64/0x66 [<c0161018>] do_unlinkat+0xa7/0x10e
[<c02de11a>] do_page_fault+0x189/0x51d [<c0102be9>] syscall_call+0x7/0xb
Code: 00 00 00 0f 84 8d 07 00 00 ff 48 4c 0f 88 b0 13 00 00 31 c0 85 c0 75 1c ff 45 4c 0f 8e ae 13 00 00 68 f1 64 23 c8 e8 57 e0 ee f7 <0f> 0b a8 01 de 64 23 c8 59 8b 85 90 01 00 00 85 c0 0f 84 54 07

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dwmw2