From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alexander Zarochentsev <zam@namesys.com>
Subject: Re: zam, can you look at this?
Date: Fri, 9 Jun 2006 21:23:42 +0400
Message-ID: <200606092123.42868.zam@namesys.com>
References: <1148923857.6482.12.camel@tribesman.namesys.com> <200606062126.07024.biscani@pd.astro.it> <4485D8BB.9010907@namesys.com>
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To: Francesco Biscani <biscani@pd.astro.it>
Cc: reiserfs-list@namesys.com

Hi,

On Tuesday 06 June 2006 23:34, Hans Reiser wrote:
> Francesco Biscani wrote:
> >Hello list,
> >
> >I'm re-sending this, since apparently it went un-noticed in another
> > thread.

can you send me output of "objdump -d fs/reiser4/txnmgr.o"?

> >----------------------------------------
> >
> >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
>
> !DSPAM:4485d8c452331585320072!

-- 
Alex.