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Subjectpls help me
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Hi, all, 

Recently I wrote a file-system under Linux. When mounting, it prints
these messages. I use iget(sb, ino) to get the root inode.

But when run into get_new_inode():wake_up(), it hangs there. Who could
give me some hints?

what the dmesg output:
************************************************************************
==> vvfs_init()
==> vvfs_read_super(<NULL>)
==> vvfs_connect(192.168.1.57, 52886)
2, 38606, 956410048
<== vvfs_connect()OK
superblock ordinary filling ok
==> vvfs_alloc_inode()
<== vvfs_alloc_inode()
==> vvfs_read_inode(c67fb000)
get sb sock
get inode fid
root inode
fetch inode OK
set server info OK
<== vvfs_read_inode()c67fb000
Unable to handle kernel paging request at virtual address fffffffc
printing eip:
c0117e20
*pde = 00001063
*pte = 00000000
Oops: 0000
vvfs 8139too mii iptable_filter ip_tables reiserfs mousedev keybdev hid
input
CPU: 0
EIP: 0010:[<c0117e20>] Tainted: P
EFLAGS: 00010013
EIP is at __wake_up [kernel] 0x20 (2.4.18-14)
eax: c67fb098 ebx: 00000000 ecx: 00000001 edx: 00000003
esi: c67fb098 edi: 00000003 ebp: c57add5c esp: c57add40
ds: 0018 es: 0018 ss: 0018
Process insmod (pid: 651, stackpage=c57ad000)
Stack: 00000000 c0154a4c 00000001 00000282 00000000 c67fb000 c7b09c00
c7feb660
c0155885 c67fb000 00000000 c7feb660 00000000 00000000 00000000
c7feb660
c7b09c00 00000000 c0155a5b c7b09c00 00000000 c7feb660 00000000
00000000
Call Trace: [<c0154a4c>] alloc_inode [kernel] 0xbc (0xc57add44))
[<c0155885>] get_new_inode [kernel] 0x145 (0xc57add60))
[<c0155a5b>] iget4 [kernel] 0xdb (0xc57add88))
[<c8964a6d>] vvfs_read_super [vvfs] 0xe1 (0xc57addb0))
[<c014561e>] get_anon_super [kernel] 0xce (0xc57adde4))
[<c89662ac>] vvfs_fs_type [vvfs] 0x0 (0xc57adde8))
[<c89662ac>] vvfs_fs_type [vvfs] 0x0 (0xc57addec))
[<c89662ac>] vvfs_fs_type [vvfs] 0x0 (0xc57addf8))
[<c0145943>] get_sb_nodev [kernel] 0x63 (0xc57ade00))
[<c89662ac>] vvfs_fs_type [vvfs] 0x0 (0xc57ade18))
[<c0145b50>] do_kern_mount [kernel] 0x100 (0xc57ade1c))
[<c89662ac>] vvfs_fs_type [vvfs] 0x0 (0xc57ade20))
[<c01585f3>] do_add_mount [kernel] 0x93 (0xc57ade40))
[<c0158920>] do_mount [kernel] 0x160 (0xc57ade60))
[<c896565c>] .rodata.str1.1 [vvfs] 0x74 (0xc57ade8c))
[<c014a237>] getname [kernel] 0x97 (0xc57ade90))
[<c0158d41>] sys_mount [kernel] 0xb1 (0xc57adeb0))
[<c8964351>] vvfs_init [vvfs] 0x59 (0xc57adedc))
[<c896565c>] .rodata.str1.1 [vvfs] 0x74 (0xc57adee4))
[<c8965657>] .rodata.str1.1 [vvfs] 0x6f (0xc57adee8))
[<c8965643>] .rodata.str1.1 [vvfs] 0x5b (0xc57adef4))
[<c011bf79>] sys_init_module [kernel] 0x4d9 (0xc57adf1c))
[<c8964060>] is_big_endian [vvfs] 0x0 (0xc57adf20))
[<c8964060>] is_big_endian [vvfs] 0x0 (0xc57adf58))
[<c010910f>] system_call [kernel] 0x33 (0xc57adfc0))

Code: 8b 53 fc 8b 02 85 c7 75 17 8b 1b 39 f3 75 f1 ff 75 f0 9d 83
<6>Intel 810 + AC97 Audio, version 0.22, 13:45:06 Sep 4 2002
PCI: Found IRQ 10 for device 00:1f.5
PCI: Sharing IRQ 10 with 00:1f.3
PCI: Setting latency timer of device 00:1f.5 to 64
i810: Intel ICH2 found at IO 0xd800 and 0xdc00, IRQ 10
i810_audio: Audio Controller supports 6 channels.
i810_audio: Defaulting to base 2 channel mode.
ac97_codec: AC97 Audio codec, id: 0x414c:0x4710 (ALC200/200P)
i810_audio: AC'97 codec 0 supports AMAP, total channels = 2
ide-floppy driver 0.99.newide
hdd: ATAPI 52X CD-ROM drive, 128kB Cache
Uniform CD-ROM driver Revision: 3.12



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