Hello list,

I'm re-sending this, since apparently it went un-noticed in another thread.

----------------------------------------

Hi,

I'm using reiser4-2.6.16-4 version and after a while I got this bug:

reiser4[kio_http(28952)]: delete_object_unix_file 
(fs/reiser4/plugin/file/file.c:2615)[]:
WARNING: failed to truncate file (50954396) on removal: -2
reiser4[kio_http(28951)]: cbk_level_lookup (fs/reiser4/search.c:961)[vs-3533]:
WARNING: Keys are inconsistent. Fsck?
Unable to handle kernel NULL pointer dereference at virtual address 00000008
 printing eip:
c0194824
*pde = 00000000
Oops: 0000 [#1]
Modules linked in: ehci_hcd uhci_hcd isofs iptable_nat ip_nat iptable_mangle 
xt_state ip_conntrack xt_tcpudp iptable_filter ip_tables x_tables radeon drm 
usb_storage snd_usb_audio snd_usb_lib snd_hwdep usbhid fuse loop 8250 
serial_core ircomm_tty ircomm irtty_sir sir_dev irda
CPU:    0
EIP:    0060:[<c0194824>]    Not tainted VLI
EFLAGS: 00010287   (2.6.16-morph4 #2)
EIP is at try_capture+0x109/0x552
eax: 00000000   ebx: cd40f1c0   ecx: dbab9e80   edx: c8fdb324
esi: c3d00b80   edi: c8fdb310   ebp: c0c34cc0   esp: c1c1d9d8
ds: 007b   es: 007b   ss: 0068
Process kio_http (pid: 28957, threadinfo=c1c1c000 task=cfda6a70)
Stack: <0>cd40f1c4 c1c1da1c 00000008 dbab9ef0 00000000 c1c1c000 c0c34c80 
c0c34c84
       00000000 c3d00b80 dbab9e80 c018f3c5 dbab9e80 00000002 00000000 00000002
       c1c1dbfc 01118bf4 00000000 00000000 00000000 dbab9ee0 c0c34cc0 dbab9e80
Call Trace:
 [<c018f3c5>] longterm_lock_znode+0x26c/0x34e
 [<c01a043f>] lock_neighbor+0x65/0xab
 [<c01a0abc>] reiser4_get_neighbor+0xad/0x4a1
 [<c01bdcc7>] lookup_tail+0x0/0xbe
 [<c019067c>] kill_node_content+0x137/0x960
 [<c01a270a>] formatted_readahead+0x54/0x29a
 [<c018f51d>] longterm_unlock_znode+0x76/0x171
 [<c018eea1>] move_lh_internal+0x5b/0xe3
 [<c0191518>] cut_tree_worker_common+0x41/0x469
 [<c01914d7>] cut_tree_worker_common+0x0/0x469
 [<c018f8ab>] cut_tree_object+0x117/0x1f6
 [<c0193107>] reiser4_grab_space+0x3d/0x7c
 [<c01a01ff>] reiser4_decode_fh+0x66/0xf7
 [<c01a986c>] cut_file_items+0xe4/0x208
 [<c01a9d11>] truncate_file_body+0xbc/0x450
 [<c01aa88a>] update_file_size+0x0/0x84
 [<c01bc828>] store_black_box+0x90/0x98
 [<c01a43a6>] safe_link_add+0x76/0xbb
 [<c0194f85>] txn_end+0x256/0x4d8
 [<c0192fe5>] grabbed2free+0x27/0x37
 [<c0193687>] all_grabbed2free+0x35/0x39
 [<c0189626>] preempt_point+0x5/0x1b
 [<c019521c>] txn_restart+0x15/0x22
 [<c0193fc8>] txn_begin+0x1e/0x30
 [<c01aa7f4>] delete_object_unix_file+0x46/0xdc
 [<c0193fc8>] txn_begin+0x1e/0x30
 [<c0191b00>] _init_context+0x6b/0x8e
 [<c019f0c9>] reiser4_delete_inode+0x6c/0xbe
 [<c019f05d>] reiser4_delete_inode+0x0/0xbe
 [<c016dbd7>] generic_delete_inode+0x5c/0xca
 [<c016d70f>] iput+0x41/0x7d
 [<c0165e9f>] do_unlinkat+0xe4/0x141
 [<c011ac9d>] __do_softirq+0x42/0x8e
 [<c0102c7b>] sysenter_past_esp+0x54/0x75
Code: 14 8d 7a ec 8b 47 14 0f 18 00 90 3b 54 24 0c 0f 84 40 ff ff ff 8b 47 04 
89 04 24 e8 27 d1 ff ff 89 c3 39 44 24 18 74 d6 8b 40 3c <3b> 70 08 74 ce 8b 
47 04 89 04 24 e8 30 a5 ff ff 8b 53 3c 8b 5a

Various versions of reiser4 in the past have had this problem, always 
triggered by kio_http (a component of the konqueror web browser). At a 
certain point the bug disappeared, but now it is back.

After the bug happened it was impossible to sync or write anything to the 
disk. Rebooted and fscked, no corruptions found.

Hope that helps!

  Francesco

-- 
Dr. Francesco Biscani
Dipartimento di Astronomia
Università di Padova
[EMAIL PROTECTED]

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