2.5.70-bk16: nfs crash

[John M Flinchbaugh <glynis@butterfly.hjsoft.com>]

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running 2.5.70-bk16, i got this error and hang.  sysrq worked for
reboot, etc.

it apparently crashed when it mounted an nfs export from a 2.4.18 box,
and tried to mv a file.  i doubt it matters, but the nic is an
orinoco_cs wireless card.  thanks.

Jun 12 02:00:04 density kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000
Jun 12 02:00:04 density kernel: printing eip:
Jun 12 02:00:04 density kernel: c0169ef1
Jun 12 02:00:04 density kernel: *pde = 00000000
Jun 12 02:00:04 density kernel: Oops: 0002 [#1]
Jun 12 02:00:04 density kernel: CPU:    0
Jun 12 02:00:04 density kernel: EIP:    0060:[<c0169ef1>]    Not tainted
Jun 12 02:00:04 density kernel: EFLAGS: 00010246
Jun 12 02:00:04 density kernel: EIP is at d_move+0x51/0x250
Jun 12 02:00:04 density kernel: eax: 00000000   ebx: cd5e6960   ecx: cd5e69d0   edx: 00000000
Jun 12 02:00:04 density kernel: esi: cd2b4440   edi: cfdb4af4   ebp: cd087e4c   esp: cd087e20
Jun 12 02:00:04 density kernel: ds: 007b   es: 007b   ss: 0068
Jun 12 02:00:04 density kernel: Process mv (pid: 4960, threadinfo=cd086000 task=d41681a0)
Jun 12 02:00:04 density kernel: Stack: cdf4a508 cd5e69dc 0000000e cdf4a508 cd087e70 00000014 d8bf416d cdf4a6a0 
Jun 12 02:00:04 density kernel: cd087e70 cd2b4440 cdf4a614 cd087ebc d8bf1ce7 cd5e6960 cd2b4440 cdf4a614 
Jun 12 02:00:04 density kernel: cd087ea0 00000001 00000108 d78f0c98 73666e2e 30303030 31313030 30303030 
Jun 12 02:00:04 density kernel: Call Trace:
Jun 12 02:00:04 density kernel: [<d8bf416d>] nfs_zap_caches+0x5d/0xd0 [nfs]
Jun 12 02:00:04 density kernel: [<d8bf1ce7>] nfs_sillyrename+0x197/0x220 [nfs]
Jun 12 02:00:04 density kernel: [<d8bf259c>] nfs_rename+0x20c/0x2b0 [nfs]
Jun 12 02:00:04 density kernel: [<c0161f50>] vfs_rename_other+0xc0/0x120
Jun 12 02:00:04 density kernel: [<d8bf2390>] nfs_rename+0x0/0x2b0 [nfs]
Jun 12 02:00:04 density kernel: [<c016213d>] vfs_rename+0x18d/0x3a0
Jun 12 02:00:04 density kernel: [<c01624f3>] sys_rename+0x1a3/0x1d0
Jun 12 02:00:04 density kernel: [<c01093cb>] syscall_call+0x7/0xb
Jun 12 02:00:04 density kernel: 
Jun 12 02:00:04 density kernel: Code: 89 02 74 03 89 50 04 c7 43 70 00 01 10 00 c7 41 04 00 02 20 
Jun 12 02:00:04 density kernel: <6>note: mv[4960] exited with preempt_count 5
Jun 12 02:00:04 density kernel: bad: scheduling while atomic!
Jun 12 02:00:04 density kernel: Call Trace:
Jun 12 02:00:04 density kernel: [<c0116d32>] schedule+0x3c2/0x3d0
Jun 12 02:00:04 density kernel: [<c01d5576>] __copy_from_user_ll+0x66/0x70
Jun 12 02:00:04 density kernel: [<c0135a06>] unlock_page+0x16/0x50
Jun 12 02:00:04 density kernel: [<c0137e95>] generic_file_aio_write_nolock+0x5f5/0xba0
Jun 12 02:00:04 density kernel: [<c01384b8>] generic_file_write_nolock+0x78/0x90
Jun 12 02:00:04 density kernel: [<c0225658>] vt_console_print+0x1e8/0x2f0
Jun 12 02:00:04 density kernel: [<c011a8de>] __call_console_drivers+0x5e/0x60
Jun 12 02:00:04 density kernel: [<c011a9b5>] call_console_drivers+0x65/0x120
Jun 12 02:00:04 density kernel: [<c01385b5>] generic_file_write+0x55/0x70
Jun 12 02:00:04 density kernel: [<c01af270>] reiserfs_file_write+0x50/0x652
Jun 12 02:00:04 density kernel: [<c02465f2>] vgacon_scroll+0x192/0x250
Jun 12 02:00:04 density kernel: [<c0245243>] vgacon_cursor+0xe3/0x1e0
Jun 12 02:00:04 density kernel: [<c0121ae1>] mod_timer+0x131/0x190
Jun 12 02:00:04 density kernel: [<c0132ea0>] check_free_space+0x100/0x190
Jun 12 02:00:04 density kernel: [<c022638b>] poke_blanked_console+0x6b/0x80
Jun 12 02:00:04 density kernel: [<c022567d>] vt_console_print+0x20d/0x2f0
Jun 12 02:00:04 density kernel: [<c01162e9>] try_to_wake_up+0xa9/0x150
Jun 12 02:00:04 density kernel: [<c0116dba>] default_wake_function+0x2a/0x30
Jun 12 02:00:04 density kernel: [<c013346a>] do_acct_process+0x27a/0x290
Jun 12 02:00:04 density kernel: [<c0114820>] do_page_fault+0x0/0x4cd
Jun 12 02:00:04 density kernel: [<c01334b9>] acct_process+0x39/0x61
Jun 12 02:00:04 density kernel: [<c011c81d>] do_exit+0x8d/0x460
Jun 12 02:00:04 density kernel: [<c0114820>] do_page_fault+0x0/0x4cd
Jun 12 02:00:04 density kernel: [<c0109c01>] die+0xe1/0xf0
Jun 12 02:00:04 density kernel: [<c011494f>] do_page_fault+0x12f/0x4cd
Jun 12 02:00:04 density kernel: [<d8c12988>] nfs_procedures+0x108/0x1b0 [nfs]
Jun 12 02:00:04 density kernel: [<d8babc70>] rpc_run_timer+0x0/0x80 [sunrpc]
Jun 12 02:00:04 density kernel: [<c0114820>] do_page_fault+0x0/0x4cd
Jun 12 02:00:04 density kernel: [<c0109575>] error_code+0x2d/0x38
Jun 12 02:00:04 density kernel: [<c0169ef1>] d_move+0x51/0x250
Jun 12 02:00:04 density kernel: [<d8bf416d>] nfs_zap_caches+0x5d/0xd0 [nfs]
Jun 12 02:00:04 density kernel: [<d8bf1ce7>] nfs_sillyrename+0x197/0x220 [nfs]
Jun 12 02:00:04 density kernel: [<d8bf259c>] nfs_rename+0x20c/0x2b0 [nfs]
Jun 12 02:00:04 density kernel: [<c0161f50>] vfs_rename_other+0xc0/0x120
Jun 12 02:00:04 density kernel: [<d8bf2390>] nfs_rename+0x0/0x2b0 [nfs]
Jun 12 02:00:04 density kernel: [<c016213d>] vfs_rename+0x18d/0x3a0
Jun 12 02:00:04 density kernel: [<c01624f3>] sys_rename+0x1a3/0x1d0
Jun 12 02:00:04 density kernel: [<c01093cb>] syscall_call+0x7/0xb
Jun 12 02:00:04 density kernel: 

some info about the build environment:
Gnu C                  3.3
Gnu make               3.80
util-linux             2.11z
mount                  2.11z
Linux C Library        2.3.1
Dynamic linker (ldd)   2.3.1
Procps                 3.1.9
Net-tools              1.60
Console-tools          0.2.3
Sh-utils               5.0

-- 
____________________}John Flinchbaugh{______________________
| glynis@hjsoft.com         http://www.hjsoft.com/~glynis/ |
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