OS v. 3.10 build 2364

Yesterday I have updated the NAS-XSR Enterprise to 3.10,update finished succesfully.3 hours later the system has crashed.The errors from remote management webpage:

Nov 21 17:49:20 nas kernel: EIP: [<c04191ba>] max_io_len+0x2a/0xa0 SS:ESP 0068:dfe57adc
Nov 21 17:49:20 nas kernel: Code: 00 57 56 53 83 ec 10 8b 44 24 24 8b 54 24 28 89 44 24 08 8b 44 24 2c 89 54 24 0c 8b 50 08 8b 48 0c 24 54 24 08 19 4c 24 0c 90 50 <10> 8b 48 14 89 14 24 8b 54 24 08 29 14 24 89 4c 24 04 8b 4c 24
Nov 21 17:49:20 nas kernel: <c01380b0> kthread+0x0/0xc0 <c01011d5> kernel_thread_helper+0x5/0x10
Nov 21 17:49:20 nas kernel: <c014f770> background_writeout+0x0/0xc0 <c013816a> kthread+0xba/0xc0
Nov 21 17:49:20 nas kernel: <c01502b1> __pdflush+0xc1/0x180 <c01503ad> pdflush+0x3d/0x50
Nov 21 17:49:20 nas kernel: <c014f7ea> background_writeout+0x7a/0xc0 <c0150370> pdflush+0x0/0x50
Nov 21 17:49:20 nas kernel: <c0191d41> sync_sb_inodes+0x1a1/0x2a0 <c0191f1a> writeback_inodes+0xda/0xf0
Nov 21 17:49:20 nas kernel: <c041c079> dm_table_any_congested+0x19/0x70 <c0419ac0> dm_any_congested+0x30/0x60
Nov 21 17:49:20 nas kernel: <c04d5c31> schedule_timeout+0x61/0xb0 <c012d890> process_timeout+0x0/0x10
Nov 21 17:49:20 nas kernel: <c019186d> __sync_single_inode+0x5d/0x1f0 <c0191a84> __writeback_single_inode+0x84/0x1a0
Nov 21 17:49:20 nas kernel: <c02ba100> xfs_vm_writepage+0x0/0x110 <c014fb72> do_writepages+0x52/0x60
Nov 21 17:49:20 nas kernel: <c02ba167> xfs_vm_writepage+0x67/0x110 <c0193893> mpage_writepages+0x283/0x410
Nov 21 17:49:20 nas kernel: <c02d7842> submit_bio+0x62/0x100 <c0149211> find_get_pages_tag+0x41/0x90
Nov 21 17:49:20 nas kernel: <c02b8e61> xfs_submit_ioend+0x101/0x120 <c02b9cab> xfs_page_state_convert+0x34b/0x7a0
Nov 21 17:49:20 nas kernel: <c0170950> bio_alloc+0x20/0x30 <c02b8c1d> xfs_submit_ioend_bio+0x2d/0x40
Nov 21 17:49:20 nas kernel: <c014c553> mempool_alloc+0x33/0xe0 <c02d7842> submit_bio+0x62/0x100
Nov 21 17:49:20 nas kernel: <c04199bc> dm_request+0xbc/0x100 <c02d7770> generic_make_request+0xf0/0x160
Nov 21 17:49:20 nas kernel: <c014c553> mempool_alloc+0x33/0xe0 <c04198c8> __split_bio+0xd8/0x110
Nov 21 17:49:20 nas kernel: <c04194a8> __clone_and_map+0x58/0x3a0 <c04572d6> net_tx_action+0x56/0x100
Nov 21 17:49:20 nas kernel: Call Trace:
Nov 21 17:49:20 nas kernel: 00000011 f5974360 00200296 00000001 c0600b10 00011200 c014c553 c21bd180
Nov 21 17:49:20 nas kernel: c04194a8 f7e44080 085bbc00 00000000 f887d080 00000000 c04572d6 f7ad3180
Nov 21 17:49:20 nas kernel: Stack: f887d000 00000001 00000001 085bbc00 00000000 00000000 f7e44080 f7e44080
Nov 21 17:49:20 nas kernel: Process pdflush (pid: 187, threadinfo=dfe56000 task=dff90560)
Nov 21 17:49:20 nas kernel: ds: 007b es: 007b ss: 0068
Nov 21 17:49:20 nas kernel: esi: f7e44080 edi: f7e44080 ebp: dfe57b80 esp: dfe57adc
Nov 21 17:49:20 nas kernel: eax: f887d000 ebx: 00000000 ecx: 00000000 edx: 00000000
Nov 21 17:49:20 nas kernel: EIP is at max_io_len+0x2a/0xa0
Nov 21 17:49:20 nas kernel: EFLAGS: 00210246 (2.6.17.13-smp #2)
Nov 21 17:49:20 nas kernel: EIP: 0060:[<c04191ba>] Not tainted VLI
Nov 21 17:49:20 nas kernel: Oops: 0002 [#1]
Nov 21 17:49:20 nas kernel: c04191ba

Can someone tell what's wrong?
Thank ytou very much in advance.
Best regards

Adam C.