[334518.774623] BUG: Bad page state in process fsstress  pfn:0428b
[334518.775347] page:ffffe200000e8e68 flags:0100000000000808 count:0 mapcount:0 mapping:ffff88000752ece8 index:6c00f
[334518.776631] Pid: 32266, comm: fsstress Not tainted 2.6.29-rc8 #2
[334518.777244] Call Trace:
[334518.777689]  [<ffffffff802943e9>] bad_page+0x102/0x113
[334518.778339]  [<ffffffffa024df5d>] diWrite+0x449/0x45a [jfs]
[334518.778963]  [<ffffffff802987c9>] pagevec_lookup_tag+0x1a/0x21
[334518.779702]  [<ffffffffa025d08b>] txCommit+0x1d5/0xd83 [jfs]
[334518.780400]  [<ffffffff80485af2>] _spin_lock+0x5/0x7
[334518.780962]  [<ffffffffa025cea1>] txBegin+0x27d/0x292 [jfs]
[334518.781566]  [<ffffffff80485a61>] _spin_lock_irq+0xd/0xf
[334518.782236]  [<ffffffffa02451eb>] jfs_commit_inode+0xa9/0xf1 [jfs]
[334518.782885]  [<ffffffffa02456a9>] jfs_write_inode+0x31/0x41 [jfs]
[334518.783610]  [<ffffffff802d96d0>] __writeback_single_inode+0x1e1/0x3b5
[334518.784337]  [<ffffffff802987c9>] pagevec_lookup_tag+0x1a/0x21
[334518.784955]  [<ffffffff802910ad>] wait_on_page_writeback_range+0xce/0x11b
[334518.785601]  [<ffffffff802d9d16>] generic_sync_sb_inodes+0x2a7/0x458
[334518.786309]  [<ffffffff802d9f4a>] sync_inodes_sb+0x83/0x88
[334518.786913]  [<ffffffff802d9fa5>] __sync_inodes+0x56/0xa9
[334518.787578]  [<ffffffff802da002>] sync_inodes+0xa/0x1b
[334518.788245]  [<ffffffff802dca47>] do_sync+0x12/0x5a
[334518.788808]  [<ffffffff802dca9d>] sys_sync+0xe/0x15
[334518.789363]  [<ffffffff8021102a>] system_call_fastpath+0x16/0x1b
[334526.753776] BUG at /data/Scratch/scm/linux-2.6-git/fs/jfs/jfs_txnmgr.c:940 assert(mp->nohomeok > 0)
[334526.754992] ------------[ cut here ]------------
[334526.755617] kernel BUG at /data/Scratch/scm/linux-2.6-git/fs/jfs/jfs_txnmgr.c:940!
[334526.756799] invalid opcode: 0000 [#1] SMP 
[334526.757429] last sysfs file: /sys/devices/system/clocksource/clocksource0/current_clocksource
[334526.757574] CPU 0 
[334526.757574] Modules linked in: jfs nls_base nfs lockd nfs_acl auth_rpcgss sunrpc ext4 jbd2 crc16 loop 8139cp mii ext3 jbd mbcache raid0 md_mod ide_cd_mod cdrom ide_gd_mod thermal processor fan thermal_sys ata_generic ide_pci_generic ata_piix libata scsi_mod piix ide_core
[334526.757574] Pid: 10122, comm: jfsCommit Tainted: G    B      2.6.29-rc8 #2 HVM domU
[334526.757574] RIP: 0010:[<ffffffffa025bfe5>]  [<ffffffffa025bfe5>] txUnlock+0xb9/0x20f [jfs]
[334526.757574] RSP: 0000:ffff880001191e80  EFLAGS: 00010286
[334526.757574] RAX: 000000000000006b RBX: ffff8800032750b0 RCX: ffffffff80485a4c
[334526.757574] RDX: ffff8800807da000 RSI: 0000000000000046 RDI: 0000000000000286
[334526.757574] RBP: ffffc2000125b170 R08: 0000000000000000 R09: 000000000000000a
[334526.757574] R10: 000000000000000a R11: 0000000000018600 R12: ffffc2000123d460
[334526.757574] R13: ffff88000681bc00 R14: 00000000003e003e R15: ffff88000681bd10
[334526.757574] FS:  0000000000000000(0000) GS:ffffffff8086e000(0000) knlGS:0000000000000000
[334526.757574] CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
[334526.757574] CR2: 0000000000401868 CR3: 0000000002b7b000 CR4: 00000000000006e0
[334526.757574] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[334526.757574] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[334526.757574] Process jfsCommit (pid: 10122, threadinfo ffff880001190000, task ffff880005cc92a0)
[334526.757574] Stack:
[334526.757574]  0000000000000003 ffffc2000123d460 ffff88000681bc00 ffff880006c482c0
[334526.757574]  ffff880001191ec0 000000000000000a 0000000000000001 ffffffffa025e7b6
[334526.757574]  0000000000000000 ffff880005cc92a0 ffffffff8023e7b8 0000000000100100
[334526.757574] Call Trace:
[334526.757574]  [<ffffffffa025e7b6>] ? jfs_lazycommit+0x117/0x24f [jfs]
[334526.757574]  [<ffffffff8023e7b8>] ? default_wake_function+0x0/0x9
[334526.757574]  [<ffffffffa025e69f>] ? jfs_lazycommit+0x0/0x24f [jfs]
[334526.757574]  [<ffffffff80257181>] ? kthread+0x47/0x73
[334526.757574]  [<ffffffff8021229a>] ? child_rip+0xa/0x20
[334526.757574]  [<ffffffff8031cf4b>] ? cap_task_setscheduler+0x0/0x2
[334526.757574]  [<ffffffff80485af2>] ? _spin_lock+0x5/0x7
[334526.757574]  [<ffffffff8025713a>] ? kthread+0x0/0x73
[334526.757574]  [<ffffffff80212290>] ? child_rip+0x0/0x20
[334526.757574] Code: d4 ff ff 8b 43 68 85 c0 7f 25 48 c7 c1 a2 38 26 a0 ba ac 03 00 00 48 c7 c6 52 38 26 a0 48 c7 c7 86 38 26 a0 31 c0 e8 90 77 22 e0 <0f> 0b eb fe ff c8 85 c0 89 43 68 75 09 48 8b 7b 58 e8 7b d1 03 
[334526.757574] RIP  [<ffffffffa025bfe5>] txUnlock+0xb9/0x20f [jfs]
[334526.757574]  RSP <ffff880001191e80>
[334526.792207] ---[ end trace 81bd8eba443c8d0f ]---