[  110.943076] ------------[ cut here ]------------
[  110.944030] kernel BUG at fs/nfs/nfs3xdr.c:1338!
[  110.944030] invalid opcode: 0000 [#1] SMP 
[  110.944030] last sysfs file: /sys/devices/virtual/bdi/0:41/uevent
[  110.944030] CPU 0 
[  110.944030] Modules linked in: nfs fscache nfsd lockd nfs_acl auth_rpcgss exportfs sunrpc ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables snd_ens1370 gameport snd_rawmidi snd_seq snd_seq_device snd_pcm snd_timer microcode i2c_piix4 snd joydev soundcore snd_page_alloc i2c_core virtio_net virtio_balloon uinput ipv6 virtio_blk virtio_pci virtio_ring virtio [last unloaded: speedstep_lib]
[  110.944030] 
[  110.944030] Pid: 1803, comm: install Not tainted 2.6.38-0.rc2.git0.1.fc15.x86_64 #1 /Bochs
[  110.944030] RIP: 0010:[<ffffffffa0261699>]  [<ffffffffa0261699>] nfs3_xdr_enc_setacl3args+0x7d/0xb6 [nfs]
[  110.944030] RSP: 0018:ffff88001cdc79d8  EFLAGS: 00010282
[  110.944030] RAX: 00000000ffffffea RBX: ffff88001cdc7bc8 RCX: 0000000000000004
[  110.944030] RDX: 0000000000000004 RSI: ffff88001cdc78b8 RDI: ffff88001f506008
[  110.944030] RBP: ffff88001cdc79f8 R08: 0000000000000001 R09: 0000000000000000
[  110.944030] R10: 00000000000001f4 R11: 0000000000000004 R12: ffff88001cdc7a18
[  110.944030] R13: 0000000000000074 R14: ffff88001cde66c0 R15: ffffffffa026161c
[  110.944030] FS:  00007f5a0f2967c0(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
[  110.944030] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[  110.944030] CR2: 0000003e81402180 CR3: 000000001fb77000 CR4: 00000000000006f0
[  110.944030] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  110.944030] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[  110.944030] Process install (pid: 1803, threadinfo ffff88001cdc6000, task ffff88001f5a2e40)
[  110.944030] Stack:
[  110.944030]  000000001cdc79e8 ffff88001cdc7a18 ffff88001f4bc058 ffff88001f506000
[  110.944030]  ffff88001cdc7a88 ffffffffa0171f03 0000000000000000 ffff88001cdc7bc8
[  110.944030]  ffff88001f4bc07c ffff88001f506008 ffff88001f4bc1d8 ffff88001f506008
[  110.944030] Call Trace:
[  110.944030]  [<ffffffffa0171f03>] rpcauth_wrap_req+0xa1/0xb2 [sunrpc]
[  110.944030]  [<ffffffffa0169d36>] call_transmit+0x1e2/0x261 [sunrpc]
[  110.944030]  [<ffffffffa0170e36>] __rpc_execute+0x88/0x1e1 [sunrpc]
[  110.944030]  [<ffffffffa0170fff>] rpc_execute+0x42/0x46 [sunrpc]
[  110.944030]  [<ffffffffa016ae3a>] rpc_run_task+0xed/0xf8 [sunrpc]
[  110.944030]  [<ffffffffa016af2f>] rpc_call_sync+0x42/0x63 [sunrpc]
[  110.944030]  [<ffffffffa0252cf5>] ? nfs_alloc_fattr+0x3e/0x44 [nfs]
[  110.944030]  [<ffffffffa02631d2>] nfs3_proc_setacls+0x1f6/0x2da [nfs]
[  110.944030]  [<ffffffff811fe637>] ? dentry_has_perm+0x5b/0x71
[  110.944030]  [<ffffffff81170994>] ? posix_acl_alloc+0x20/0x32
[  110.944030]  [<ffffffffa02638e9>] nfs3_proc_setacl+0xbb/0xe0 [nfs]
[  110.944030]  [<ffffffffa02639e7>] nfs3_setxattr+0x80/0x9d [nfs]
[  110.944030]  [<ffffffff81146ba6>] __vfs_setxattr_noperm+0x3d/0xba
[  110.944030]  [<ffffffff81146ca1>] vfs_setxattr+0x7e/0x9c
[  110.944030]  [<ffffffff81146d8c>] setxattr+0xcd/0xff
[  110.944030]  [<ffffffff81487c30>] ? do_page_fault+0x311/0x34d
[  110.944030]  [<ffffffff811f69e0>] ? fsnotify_perm+0x64/0x70
[  110.944030]  [<ffffffff811f711f>] ? security_file_permission+0x2e/0x33
[  110.944030]  [<ffffffff81146f43>] sys_fsetxattr+0x64/0x92
[  110.944030]  [<ffffffff8100ac42>] system_call_fastpath+0x16/0x1b
[  110.944030] Code: f6 43 08 01 45 8b 6d 40 74 04 48 8b 4b 10 49 8b 7c 24 08 48 8b 13 45 31 c9 41 b8 01 00 00 00 44 89 ee e8 31 3c f6 ff 85 c0 79 02 <0f> 0b 31 c9 f6 43 08 04 74 04 48 8b 4b 18 49 8b 7c 24 08 48 8b 
[  110.944030] RIP  [<ffffffffa0261699>] nfs3_xdr_enc_setacl3args+0x7d/0xb6 [nfs]
[  110.944030]  RSP <ffff88001cdc79d8>
[  111.020623] ---[ end trace cc9edcff765ada64 ]---