libreport version: 2.0.10
cmdline:        BOOT_IMAGE=/vmlinuz-3.4.9-1.fc16.x86_64 root=/dev/mapper/vg_jkudrnac-lv_root ro rd.md=0 rd.dm=0 SYSFONT=latarcyrheb-sun16 rd.luks.uuid=luks-9d5ad7ec-d41f-416b-8175-77fa9566757b LANG=en_US.UTF-8 rd.lvm.lv=vg_jkudrnac/lv_root rd.lvm.lv=vg_jkudrnac/lv_swap rd.luks.uuid=luks-1961e0ff-c7be-4e0d-92f1-5ed5413a39fd KEYTABLE=us quiet rhgb

backtrace:      Text file, 5072 bytes

backtrace:
:kernel BUG at fs/nfs/idmap.c:668!
:invalid opcode: 0000 [#1] SMP 
:CPU 2 
:Modules linked in: nfs fscache auth_rpcgss nfs_acl ppdev parport_pc lp parport hidp fuse ipheth 8021q garp stp llc fcoe lockd libfcoe libfc scsi_transport_fc scsi_tgt rfcomm bnep ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables binfmt_misc snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_intel snd_hda_codec snd_hwdep snd_seq thinkpad_acpi snd_seq_device snd_pcm arc4 iwlwifi snd_timer mac80211 e1000e btusb bluetooth uvcvideo videobuf2_core videodev media videobuf2_vmalloc videobuf2_memops coretemp iTCO_wdt snd sunrpc tpm_tis cfg80211 tpm soundcore snd_page_alloc iTCO_vendor_support rfkill i2c_i801 microcode uinput tpm_bios joydev xts gf128mul dm_crypt crc32c_intel ghash_clmulni_intel firewire_ohci sdhci_pci sdhci mmc_core firewire_core crc_itu_t wmi i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan]
:Pid: 10475, comm: mount.nfs Not tainted 3.4.9-1.fc16.x86_64 #1 LENOVO 4243BQ9/4243BQ9
:RIP: 0010:[<ffffffffa05fe0fb>]  [<ffffffffa05fe0fb>] nfs_idmap_legacy_upcall+0x34b/0x350 [nfs]
:RSP: 0018:ffff880190a1f398  EFLAGS: 00010286
:RAX: 0000000000000017 RBX: ffff8801d3ce5cc0 RCX: 0000000000000004
:RDX: 0000000000000017 RSI: ffff880036866b04 RDI: ffff8801d3ce5cc2
:RBP: ffff880190a1f3d8 R08: 676e6540746f6f72 R09: 6465722e7172622e
:R10: 65722e7172622e67 R11: 6d6f632e74616864 R12: ffff88019caab340
:R13: ffff88020f7c1f90 R14: ffff88020d9f84c0 R15: 0000000000000017
:FS:  00007f55b0559800(0000) GS:ffff88021e280000(0000) knlGS:0000000000000000
:CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
:CR2: 00007f510de12000 CR3: 00000001a1bdb000 CR4: 00000000000407e0
:DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
:DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
:Process mount.nfs (pid: 10475, threadinfo ffff880190a1e000, task ffff8800056f1720)
:Stack:
: ffff880036866b04 ffff880036866b1b ffff880190a1f3d8 ffff88020f7c1f90
: ffff8801d3ce5180 ffff8801d3ce50c0 0000000000000000 ffffffffa0611eb5
: ffff880190a1f478 ffffffff8126a2f4 0000000000000000 ffff88021050c900
:Call Trace:
: [<ffffffff8126a2f4>] request_key_and_link+0x2e4/0x410
: [<ffffffff8126a48e>] request_key_with_auxdata+0x1e/0x70
: [<ffffffffa05fe1d6>] nfs_idmap_request_key+0xd6/0x1b0 [nfs]
: [<ffffffffa05fe4ab>] nfs_idmap_lookup_id+0xeb/0x110 [nfs]
: [<ffffffffa05fe6de>] ? nfs_map_string_to_numeric+0x3e/0xb0 [nfs]
: [<ffffffffa05fee6c>] nfs_map_group_to_gid+0x5c/0x80 [nfs]
: [<ffffffffa05f58a5>] decode_getfattr_attrs+0xbf5/0xfc0 [nfs]
: [<ffffffffa05f88c0>] ? nfs4_xdr_dec_remove+0xb0/0xb0 [nfs]
: [<ffffffffa05f63a8>] decode_getfattr_generic.constprop.51+0x98/0x110 [nfs]
: [<ffffffffa05f88c0>] ? nfs4_xdr_dec_remove+0xb0/0xb0 [nfs]
: [<ffffffffa05f6433>] decode_getfattr+0x13/0x20 [nfs]
: [<ffffffffa05f8947>] nfs4_xdr_dec_lookup_root+0x87/0x90 [nfs]
: [<ffffffffa01f15ad>] rpcauth_unwrap_resp+0x9d/0xd0 [sunrpc]
: [<ffffffffa01ee820>] ? rpc_queue_empty+0x40/0x40 [sunrpc]
: [<ffffffffa05f88c0>] ? nfs4_xdr_dec_remove+0xb0/0xb0 [nfs]
: [<ffffffffa01e4d6f>] call_decode+0x1cf/0x870 [sunrpc]
: [<ffffffff8107a540>] ? autoremove_wake_function+0x50/0x50
: [<ffffffffa01ef900>] __rpc_execute+0x80/0x3c0 [sunrpc]
: [<ffffffffa01e4ba0>] ? call_bc_transmit+0x140/0x140 [sunrpc]
: [<ffffffffa01e4ba0>] ? call_bc_transmit+0x140/0x140 [sunrpc]
: [<ffffffffa01f02a8>] rpc_execute+0x68/0xd0 [sunrpc]
: [<ffffffffa01e6e15>] rpc_run_task+0x75/0x90 [sunrpc]
: [<ffffffffa01e6f33>] rpc_call_sync+0x43/0x70 [sunrpc]
: [<ffffffffa05e61e0>] _nfs4_call_sync+0x30/0x40 [nfs]
: [<ffffffffa05e66fc>] _nfs4_lookup_root+0xac/0xc0 [nfs]
: [<ffffffffa05e93be>] nfs4_lookup_root+0x4e/0x90 [nfs]
: [<ffffffffa05e9435>] nfs4_proc_get_root+0x35/0xb0 [nfs]
: [<ffffffffa05ce4ac>] nfs4_get_rootfh+0x4c/0x140 [nfs]
: [<ffffffffa05cf7a4>] ? nfs_alloc_fattr+0x24/0x80 [nfs]
: [<ffffffffa05c7be5>] nfs4_server_common_setup+0x95/0x1c0 [nfs]
: [<ffffffffa05c8c78>] nfs4_create_server+0x198/0x370 [nfs]
: [<ffffffffa05d3460>] nfs4_remote_mount+0x60/0x2e0 [nfs]
: [<ffffffff81187493>] mount_fs+0x43/0x1b0
: [<ffffffff81144150>] ? __alloc_percpu+0x10/0x20
: [<ffffffff811a06da>] vfs_kern_mount+0x6a/0xf0
: [<ffffffffa05d39b5>] nfs_do_root_mount+0x95/0xe0 [nfs]
: [<ffffffffa05d40b6>] nfs4_try_mount+0x46/0xc0 [nfs]
: [<ffffffffa05d3dd3>] ? nfs4_validate_text_mount_data+0xc3/0xe0 [nfs]
: [<ffffffffa05d5047>] nfs_fs_mount+0x677/0x990 [nfs]
: [<ffffffff81187493>] mount_fs+0x43/0x1b0
: [<ffffffff81144150>] ? __alloc_percpu+0x10/0x20
: [<ffffffff811a06da>] vfs_kern_mount+0x6a/0xf0
: [<ffffffff811a0eb4>] do_kern_mount+0x54/0x110
: [<ffffffff811a2634>] do_mount+0x1a4/0x830
: [<ffffffff811a230a>] ? copy_mount_options+0x3a/0x170
: [<ffffffff811a2e00>] sys_mount+0x90/0xe0
: [<ffffffff81605be9>] system_call_fastpath+0x16/0x1b
:Code: ff 0f 1f 80 00 00 00 00 66 c7 07 00 00 83 ea 02 48 83 c7 02 e9 5b fd ff ff 0f 1f 80 00 00 00 00 41 bf f4 ff ff ff e9 0a fe ff ff <0f> 0b 0f 1f 00 55 48 89 e5 48 83 ec 60 48 89 5d d8 4c 89 65 e0 
:RIP  [<ffffffffa05fe0fb>] nfs_idmap_legacy_upcall+0x34b/0x350 [nfs]
: RSP <ffff880190a1f398>