2651396.456202] BUG: soft lockup - CPU#0 stuck for 11s! [apache2:1873]
[2651396.456233]
[2651396.456268] Pid: 1873, comm: apache2 Tainted: G      D (2.6.24-19-xen #1)
[2651396.456299] EIP: 0061:[<c03277a7>] EFLAGS: 00200286 CPU: 0
[2651396.456337] EIP is at _spin_lock+0x7/0x10
[2651396.456368] EAX: cf802c18 EBX: 00000000 ECX: 00000000 EDX: f578e000
[2651396.456399] ESI: 0002842e EDI: 00000000 EBP: 00000000 ESP: ce91fc78
[2651396.456430]  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0069
[2651396.456468] CR0: 8005003b CR2: bfbc1f6c CR3: 0fd7a000 CR4: 00000660
[2651396.456501] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[2651396.456533] DR6: ffff0ff0 DR7: 00000400
[2651396.456565]  [<c01a717b>] __find_get_block_slow+0x5b/0x150
[2651396.456637]  [<c02b62b9>] net_tx_action+0x79/0x170
[2651396.456710]  [<c01a7566>] __find_get_block+0xd6/0x200
[2651396.456783]  [<c012c105>] do_softirq+0x85/0x90
[2651396.456851]  [<c0107110>] do_IRQ+0x40/0x70
[2651396.456920]  [<c01a76b3>] __getblk+0x23/0x2b0
[2651396.456991]  [<c0197c15>] dput+0x85/0x100
[2651396.457063]  [<c018cee7>] do_lookup+0x67/0x1c0
[2651396.457133]  [<c018cbb7>] permission+0x97/0x120
[2651396.457204]  [<d10b9f50>] __ext3_get_inode_loc+0xf0/0x360 [ext3]
[2651396.457232]  [<c01045c4>] __switch_to+0x2f4/0x480
[2651396.457243]  [<d1080a6f>] start_this_handle+0x8f/0x360 [jbd]
[2651396.457257]  [<d10ba207>] ext3_reserve_inode_write+0x27/0x80 [ext3]
[2651396.457271]  [<d10ba283>] ext3_mark_inode_dirty+0x23/0x50 [ext3]
[2651396.457284]  [<d1080dc2>] journal_start+0x82/0xb0 [jbd]
[2651396.457295]  [<d10bd3e9>] ext3_dirty_inode+0x79/0x90 [ext3]
[2651396.457309]  [<c01a3530>] __mark_inode_dirty+0x30/0x180
[2651396.457319]  [<c016c41c>] do_wp_page+0x40c/0x9f0
[2651396.457329]  [<c015ef46>] __generic_file_aio_write_nolock+0x266/0x540
[2651396.457341]  [<c01715ba>] handle_mm_fault+0xb9a/0x1350
[2651396.457350]  [<c015f285>] generic_file_aio_write+0x65/0xe0
[2651396.457359]  [<d10b8690>] ext3_file_write+0x30/0xc0 [ext3]
[2651396.457372]  [<c01852e5>] do_sync_write+0xd5/0x120
[2651396.457383]  [<c013bb90>] autoremove_wake_function+0x0/0x40
[2651396.457395]  [<c01306b0>] process_timeout+0x0/0x10
[2651396.457404]  [<c03264f5>] schedule_timeout+0x45/0xd0
[2651396.457416]  [<c0185210>] do_sync_write+0x0/0x120
[2651396.457424]  [<c0185be9>] vfs_write+0xb9/0x170
[2651396.457433]  [<c0186321>] sys_write+0x41/0x70
[2651396.457440]  [<c0105832>] syscall_call+0x7/0xb
[2651396.457448]  [<c0320000>] vcc_getsockopt+0xc0/0x170
[2651396.457459]  =======================