Aug 13 20:56:20 bum kernel: Unable to handle kernel NULL pointer dereference at 0000000000000028 RIP: 
Aug 13 20:56:20 bum kernel: <ffffffff801ba40d>{nfs3_request_init+13}
Aug 13 20:56:20 bum kernel: PML4 1f4ed067 PGD 1fb8b067 PMD 0 
Aug 13 20:56:20 bum kernel: Oops: 0002 [1] 
Aug 13 20:56:20 bum kernel: CPU 0 
Aug 13 20:56:20 bum kernel: Modules linked in: r8169 ext2 battery
Aug 13 20:56:20 bum kernel: Pid: 1411, comm: sshd Not tainted 2.6.8-rc4
Aug 13 20:56:20 bum kernel: RIP: 0010:[<ffffffff801ba40d>] <ffffffff801ba40d>{nfs3_request_init+13}
Aug 13 20:56:20 bum kernel: RSP: 0018:000001001e6e7988  EFLAGS: 00010246
Aug 13 20:56:20 bum kernel: RAX: 0000000000000000 RBX: 000001001d56fbc0 RCX: 0000000000000000
Aug 13 20:56:20 bum kernel: RDX: 0000000000000010 RSI: 000001001ed596c0 RDI: 000001001eb62890
Aug 13 20:56:20 bum kernel: RBP: 000001000166a638 R08: 00000100019fb000 R09: 00000100019fb010
Aug 13 20:56:20 bum kernel: R10: 00000100019f1b20 R11: 00000100019f1b30 R12: 000001000198aa00
Aug 13 20:56:20 bum kernel: R13: 0000000000000000 R14: 0000000000000265 R15: 000001001eb62890
Aug 13 20:56:21 bum kernel: FS:  0000002a955752c0(0000) GS:ffffffff80432800(0000) knlGS:0000000000000000
Aug 13 20:56:21 bum kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Aug 13 20:56:21 bum kernel: CR2: 0000000000000028 CR3: 0000000000101000 CR4: 00000000000006e0
Aug 13 20:56:21 bum kernel: Process sshd (pid: 1411, threadinfo 000001001e6e6000, task 000001001dbbe9c0)
Aug 13 20:56:21 bum kernel: Stack: 000001001d56fbc0 ffffffff801b2f61 0000000000000004 000001001ed596c0 
Aug 13 20:56:21 bum kernel:        0000000000000001 0000000000000000 000001001eb62890 000001000166a638 
Aug 13 20:56:21 bum kernel:        000001001eb62890 0000000000000265 
Aug 13 20:56:21 bum kernel: Call Trace:<ffffffff801b2f61>{nfs_create_request+225} <ffffffff801b5a71>{readpage_async_filler+129} 
Aug 13 20:56:21 bum kernel:        <ffffffff8014f38a>{read_cache_pages+202} <ffffffff801b59f0>{readpage_async_filler+0} 
Aug 13 20:56:21 bum kernel:        <ffffffff802f35d3>{rpc_release_client+67} <ffffffff802f8466>{rpc_release_task+310} 
Aug 13 20:56:21 bum kernel:        <ffffffff802f7e41>{__rpc_execute+945} <ffffffff8012e290>{autoremove_wake_function+0} 
Aug 13 20:56:21 bum kernel:        <ffffffff801b5bb5>{nfs_readpages+133} <ffffffff8014f48e>{read_pages+62} 
Aug 13 20:56:21 bum kernel:        <ffffffff8014c7cf>{buffered_rmqueue+335} <ffffffff8014cb11>{__alloc_pages+817} 
Aug 13 20:56:21 bum kernel:        <ffffffff8014f849>{do_page_cache_readahead+281} <ffffffff8014f9ee>{page_cache_readahead+366} 
Aug 13 20:56:21 bum kernel:        <ffffffff801490b7>{do_generic_mapping_read+279} <ffffffff80149450>{file_read_actor+0} 
Aug 13 20:56:21 bum kernel:        <ffffffff801496e7>{__generic_file_aio_read+407} <ffffffff80149741>{generic_file_aio_read+49} 
Aug 13 20:56:21 bum kernel:        <ffffffff801aeb72>{nfs_file_read+194} <ffffffff8016382d>{do_sync_read+125} 
Aug 13 20:56:21 bum kernel:        <ffffffff801586f2>{__vma_link+66} <ffffffff801593be>{do_mmap_pgoff+1326} 
Aug 13 20:56:21 bum kernel:        <ffffffff80163937>{vfs_read+199} <ffffffff80163bb3>{sys_read+83} 
Aug 13 20:56:21 bum kernel:        <ffffffff8011062a>{system_call+126} 
Aug 13 20:56:21 bum kernel: 
Aug 13 20:56:21 bum kernel: Code: ff 40 28 48 89 43 30 5b c3 66 66 66 90 66 66 90 66 66 90 48 
Aug 13 20:56:21 bum kernel: RIP <ffffffff801ba40d>{nfs3_request_init+13} RSP <000001001e6e7988>