Jul  9 16:50:37 calicoroot kernel: [ 5461.583663] Unable to handle kernel paging request at ffff88004f565008 RIP: 
Jul  9 16:50:37 calicoroot kernel: [ 5461.583681]  [<ffffffff80271fc6>] iov_iter_advance+0x66/0x80
Jul  9 16:50:37 calicoroot kernel: [ 5461.583732] PGD 23f9067 PUD 25fb067 PMD 2676067 PTE 0
Jul  9 16:50:37 calicoroot kernel: [ 5461.583762] Oops: 0000 [1] SMP 
Jul  9 16:50:37 calicoroot kernel: [ 5461.583784] CPU 0 
Jul  9 16:50:37 calicoroot kernel: [ 5461.583802] Modules linked in: xt_physdev nfsd auth_rpcgss exportfs nfs lockd nfs_acl sunrpc ipv6 bridge iptable_filter ip_tables x_tables parport_pc lp parport loop evdev button pcspkr k8temp i2c_nforce2 i2c_core shpchp pci_hotplug ext3 jbd mbcache sg sr_mod cdrom sd_mod usbhid hid ata_generic sata_nv pata_amd pata_acpi ehci_hcd libata amd74xx ide_core e1000 forcedeth scsi_mod ohci_hcd usbcore ssb dm_mirror dm_snapshot dm_mod thermal processor fan fuse
Jul  9 16:50:37 calicoroot kernel: [ 5461.584080] Pid: 5234, comm: nfsd Not tainted 2.6.24-19-xen #1
Jul  9 16:50:37 calicoroot kernel: [ 5461.584099] RIP: e030:[<ffffffff80271fc6>]  [<ffffffff80271fc6>] iov_iter_advance+0x66/0x80
Jul  9 16:50:37 calicoroot kernel: [ 5461.584137] RSP: e02b:ffff8800f15ed8a8  EFLAGS: 00010246
Jul  9 16:50:37 calicoroot kernel: [ 5461.584154] RAX: 0000000000000000 RBX: 0000000000001000 RCX: 0000000000000000
Jul  9 16:50:37 calicoroot kernel: [ 5461.584174] RDX: 0000000000000000 RSI: 0000000000001000 RDI: ffff8800f15ed940
Jul  9 16:50:37 calicoroot kernel: [ 5461.584193] RBP: 0000000000001000 R08: 0000000000000000 R09: 0000000000000000
Jul  9 16:50:37 calicoroot kernel: [ 5461.584213] R10: ffff88004f565000 R11: 0000000000000000 R12: 000000000007f000
Jul  9 16:50:37 calicoroot kernel: [ 5461.584232] R13: 0000000000001000 R14: ffff88004ed1eb88 R15: 0000000000000000
Jul  9 16:50:37 calicoroot kernel: [ 5461.584253] FS:  00007f4c4090f6e0(0000) GS:ffffffff805c6000(0000) knlGS:0000000000000000
Jul  9 16:50:37 calicoroot kernel: [ 5461.584282] CS:  e033 DS: 0000 ES: 0000
Jul  9 16:50:37 calicoroot kernel: [ 5461.584298] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul  9 16:50:37 calicoroot kernel: [ 5461.584318] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jul  9 16:50:37 calicoroot kernel: [ 5461.584338] Process nfsd (pid: 5234, threadinfo ffff8800f15ec000, task ffff880001a4e800)
Jul  9 16:50:37 calicoroot kernel: [ 5461.584366] Stack:  ffffffff80273f9e ffff8800546e59c0 ffff88004e584280 0000000100000000
Jul  9 16:50:37 calicoroot kernel: [ 5461.584410]  ffff8800f15edb50 0000000000000000 ffff8800f15edad0 ffff8800546e59c0
Jul  9 16:50:37 calicoroot kernel: [ 5461.584450]  ffff88004ed1eb88 ffffffff881cfac0 ffff88004ed1ea78 000000000007f000
Jul  9 16:50:37 calicoroot kernel: [ 5461.584477] Call Trace:
Jul  9 16:50:37 calicoroot kernel: [ 5461.584506]  [<ffffffff80273f9e>] generic_file_buffered_write+0x1de/0x6e0
Jul  9 16:50:37 calicoroot kernel: [ 5461.586092]  [<ffffffff881ab5ae>] :jbd:journal_stop+0x13e/0x1d0
Jul  9 16:50:37 calicoroot kernel: [ 5461.586115]  [<ffffffff802746ef>] __generic_file_aio_write_nolock+0x24f/0x400
Jul  9 16:50:37 calicoroot kernel: [ 5461.586139]  [<ffffffff80471829>] _spin_lock_bh+0x9/0x20
Jul  9 16:50:37 calicoroot kernel: [ 5461.586159]  [<ffffffff80274904>] generic_file_aio_write+0x64/0xd0
Jul  9 16:50:37 calicoroot kernel: [ 5461.586188]  [<ffffffff881bc663>] :ext3:ext3_file_write+0x23/0xc0
Jul  9 16:50:37 calicoroot kernel: [ 5461.586212]  [<ffffffff881bc640>] :ext3:ext3_file_write+0x0/0xc0
Jul  9 16:50:37 calicoroot kernel: [ 5461.586232]  [<ffffffff8029d6bb>] do_sync_readv_writev+0xcb/0x110
Jul  9 16:50:37 calicoroot kernel: [ 5461.586255]  [<ffffffff803e5d9a>] sock_recvmsg+0x14a/0x160
Jul  9 16:50:37 calicoroot kernel: [ 5461.586275]  [<ffffffff8024cc20>] autoremove_wake_function+0x0/0x30
Jul  9 16:50:37 calicoroot kernel: [ 5461.586297]  [<ffffffff8022a307>] enqueue_entity+0x37/0x70
Jul  9 16:50:37 calicoroot kernel: [ 5461.586316]  [<ffffffff8029a30c>] __kmalloc+0x13c/0x160
Jul  9 16:50:37 calicoroot kernel: [ 5461.586338]  [<ffffffff8029de5d>] do_readv_writev+0xfd/0x230
Jul  9 16:50:37 calicoroot kernel: [ 5461.586358]  [<ffffffff883375aa>] :exportfs:find_acceptable_alias+0x1a/0xe0
Jul  9 16:50:37 calicoroot kernel: [ 5461.586381]  [<ffffffff88337703>] :exportfs:exportfs_decode_fh+0x93/0x270
Jul  9 16:50:37 calicoroot kernel: [ 5461.586410]  [<ffffffff8834c4b0>] :nfsd:nfsd_acceptable+0x0/0xf0
Jul  9 16:50:37 calicoroot kernel: [ 5461.586446]  [<ffffffff882b3a49>] :sunrpc:cache_check+0x49/0x490
Jul  9 16:50:37 calicoroot kernel: [ 5461.586475]  [<ffffffff8834d790>] :nfsd:nfsd_vfs_write+0xf0/0x3d0
Jul  9 16:50:37 calicoroot kernel: [ 5461.586504]  [<ffffffff883539f2>] :nfsd:nfsd_setuser+0x82/0x1f0
Jul  9 16:50:37 calicoroot kernel: [ 5461.586530]  [<ffffffff8834bf6c>] :nfsd:nfsd_setuser_and_check_port+0x5c/0x70
Jul  9 16:50:37 calicoroot kernel: [ 5461.586559]  [<ffffffff8834e2bc>] :nfsd:nfsd_write+0xac/0x120
Jul  9 16:50:37 calicoroot kernel: [ 5461.586588]  [<ffffffff8835a29f>] :nfsd:nfsd4_write+0xff/0x130
Jul  9 16:50:37 calicoroot kernel: [ 5461.586617]  [<ffffffff8835a936>] :nfsd:nfsd4_proc_compound+0x1c6/0x330
Jul  9 16:50:37 calicoroot kernel: [ 5461.586644]  [<ffffffff88349271>] :nfsd:nfsd_dispatch+0xb1/0x240
Jul  9 16:50:37 calicoroot kernel: [ 5461.586676]  [<ffffffff882abccf>] :sunrpc:svc_process+0x48f/0x7f0
Jul  9 16:50:37 calicoroot kernel: [ 5461.586696]  [<ffffffff8022b600>] default_wake_function+0x0/0x10
Jul  9 16:50:37 calicoroot kernel: [ 5461.586716]  [<ffffffff804711b2>] __down_read+0x12/0xf7
Jul  9 16:50:37 calicoroot kernel: [ 5461.586742]  [<ffffffff88349810>] :nfsd:nfsd+0x0/0x2e0
Jul  9 16:50:37 calicoroot kernel: [ 5461.586765]  [<ffffffff8834999f>] :nfsd:nfsd+0x18f/0x2e0
Jul  9 16:50:37 calicoroot kernel: [ 5461.586787]  [<ffffffff8020d018>] child_rip+0xa/0x12
Jul  9 16:50:37 calicoroot kernel: [ 5461.586811]  [<ffffffff88349810>] :nfsd:nfsd+0x0/0x2e0
Jul  9 16:50:37 calicoroot kernel: [ 5461.586838]  [<ffffffff88349810>] :nfsd:nfsd+0x0/0x2e0
Jul  9 16:50:37 calicoroot kernel: [ 5461.586857]  [<ffffffff8020d00e>] child_rip+0x0/0x12
Jul  9 16:50:37 calicoroot kernel: [ 5461.586875] 
Jul  9 16:50:37 calicoroot kernel: [ 5461.586889] 
Jul  9 16:50:37 calicoroot kernel: [ 5461.586889] Code: 49 8b 52 08 49 89 d3 eb c4 4c 89 17 4c 89 4f 10 eb 99 0f 1f 
Jul  9 16:50:37 calicoroot kernel: [ 5461.587000] RIP  [<ffffffff80271fc6>] iov_iter_advance+0x66/0x80
Jul  9 16:50:37 calicoroot kernel: [ 5461.587023]  RSP <ffff8800f15ed8a8>
Jul  9 16:50:37 calicoroot kernel: [ 5461.587039] CR2: ffff88004f565008
Jul  9 16:50:37 calicoroot kernel: [ 5461.587477] ---[ end trace b60c3f08b7005db3 ]---