kernel BUG at fs/fscache/operation.c:421 with version 2.6.32-358.2.1.el6

Issue

When mounting an NFS-export at boot with FS-Cache support, the following kernel panic occurs:

TECH PREVIEW: fscache may not be fully supported.
Please review provided documentation for limitations.
FS-Cache: Cache "mycache" added (type cachefiles)
CacheFiles: File cache on dm-0 registered

FS-Cache: Assertion failed
3 == 5 is false
------------[ cut here ]------------
kernel BUG at fs/fscache/operation.c:421!
invalid opcode: 0000 [#1] SMP 
last sysfs file: /sys/firmware/memmap/10/type
CPU 0 
Modules linked in: cachefiles ext3 jbd mbcache dm_mirror dm_region_hash dm_log dm_mod ppdev parport_pc parport vmware_balloon raid0 i2c_piix4 i2c_core sg shpchp ipv6 sr_mod cdrom sd_mod crc_t10dif pata_acpi ata_generic ata_piix mptspi mptscsih mptbase scsi_transport_spi e1000 nfs lockd fscache(T) auth_rpcgss nfs_acl sunrpc [last unloaded: scsi_wait_scan]

Pid: 11, comm: events/0 Tainted: G           ---------------  T 2.6.32-358.2.1.el6.x86_64 #1 VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform
RIP: 0010:[<ffffffffa006f905>]  [<ffffffffa006f905>] fscache_put_operation+0x1b5/0x230 [fscache]
RSP: 0018:ffff8800ee311df0  EFLAGS: 00010282
RAX: 0000000000000016 RBX: ffff88007f9e3500 RCX: 0000000000001159
RDX: 0000000000000000 RSI: 0000000000000046 RDI: 0000000000000246
RBP: ffff8800ee311e10 R08: 0000000000000000 R09: ffffffff8163fde0
R10: 0000000000000001 R11: 0000000000000000 R12: ffff880002219300
R13: ffffffffa0070dd0 R14: ffff8800ee311fd8 R15: ffff880002219308
FS:  0000000000000000(0000) GS:ffff880002200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 00007f05701bd670 CR3: 00000000835fe000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process events/0 (pid: 11, threadinfo ffff8800ee310000, task ffff8800ee2e0080)
Stack:
 ffff880002219300 ffff88007f9e3500 ffff880002219300 ffffffffa0070dd0
<d> ffff8800ee311e30 ffffffffa0070df3 ffff880002219300 ffff880002219300
<d> ffff8800ee311ee0 ffffffff81090ae0 0000000000000000 0000000000000000
Call Trace:
 [<ffffffffa0070dd0>] ? fscache_retrieval_work+0x0/0x30 [fscache]
 [<ffffffffa0070df3>] fscache_retrieval_work+0x23/0x30 [fscache]
 [<ffffffff81090ae0>] worker_thread+0x170/0x2a0
 [<ffffffff81096ca0>] ? autoremove_wake_function+0x0/0x40
 [<ffffffff81090970>] ? worker_thread+0x0/0x2a0
 [<ffffffff81096936>] kthread+0x96/0xa0
 [<ffffffff8100c0ca>] child_rip+0xa/0x20
 [<ffffffff810968a0>] ? kthread+0x0/0xa0
 [<ffffffff8100c0c0>] ? child_rip+0x0/0x20
Code: 31 c0 e8 2f da 49 e1 48 c7 c7 98 33 07 a0 31 c0 e8 21 da 49 e1 8b 73 48 ba 05 00 00 00 48 c7 c7 66 4b 07 a0 31 c0 e8 0b da 49 e1 <0f> 0b eb fe 48 c7 c7 33 4b 07 a0 31 c0 e8 f9 d9 49 e1 48 c7 c7 
RIP  [<ffffffffa006f905>] fscache_put_operation+0x1b5/0x230 [fscache]
 RSP <ffff8800ee311df0>