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Subject2.6.26-rc5-mm1: kernel BUG at mm/filemap.c:575!
This happened after LTP run finished.

------------[ cut here ]------------
kernel BUG at mm/filemap.c:575!
invalid opcode: 0000 [1] PREEMPT SMP DEBUG_PAGEALLOC
last sysfs file: /sys/kernel/uevent_seqnum
CPU 1
Modules linked in: ext2 nf_conntrack_irc xt_state iptable_filter ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack ip_tables x_tables usblp uhci_hcd ehci_hcd usbcore sr_mod cdrom
Pid: 19327, comm: pdflush Not tainted 2.6.26-rc5-mm1 #4
RIP: 0010:[<ffffffff80266a37>] [<ffffffff80266a37>] unlock_page+0x17/0x40
RSP: 0018:ffff81015c697540 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffe20000e38c08 RCX: 0000000000000034
RDX: 0000000000000000 RSI: ffffe20000e38c08 RDI: ffffe20000e38c08
RBP: ffff81015c697550 R08: 0000000000000002 R09: 000000000007794e
R10: ffffffff8028b6f1 R11: 0000000000000001 R12: ffffe20000e38c08
R13: 0000000000000000 R14: ffff81015c6977a0 R15: ffff81015c6978c0
FS: 0000000000000000(0000) GS:ffff81017f845320(0000) knlGS:0000000000000000
CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 00007fb64f84f020 CR3: 0000000000201000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process pdflush (pid: 19327, threadinfo ffff81015c696000, task ffff81015c795690)
Stack: ffff81015c697550 0000000000000000 ffff81015c697680 ffffffff802722ce
ffffe20005367df8 ffff81015c697640 0000000000000000 0000000000000001
0000000000000001 0000000000000001 ffffe20000b02d38 ffffe20001274970
Call Trace:
[<ffffffff802722ce>] shrink_page_list+0x2ce/0x6d0
[<ffffffff80254f37>] ? mark_held_locks+0x47/0x90
[<ffffffff8025517d>] ? trace_hardirqs_on+0xd/0x10
[<ffffffff802550e9>] ? trace_hardirqs_on_caller+0xc9/0x150
[<ffffffff802728f4>] shrink_list+0x224/0x590
[<ffffffff80272eab>] shrink_zone+0x24b/0x330
[<ffffffff80273407>] try_to_free_pages+0x267/0x3e0
[<ffffffff80271510>] ? isolate_pages_global+0x0/0x270
[<ffffffff8026cf86>] __alloc_pages_internal+0x1b6/0x470
[<ffffffff8028d061>] __slab_alloc+0x181/0x660
[<ffffffff80254f37>] ? mark_held_locks+0x47/0x90
[<ffffffff802f65a8>] ? journal_add_journal_head+0x88/0x230
[<ffffffff8025517d>] ? trace_hardirqs_on+0xd/0x10
[<ffffffff8028d973>] kmem_cache_alloc+0xb3/0xd0
[<ffffffff802f65a8>] ? journal_add_journal_head+0x88/0x230
[<ffffffff802f65a8>] journal_add_journal_head+0x88/0x230
[<ffffffff802f23a9>] journal_dirty_data+0x59/0x2d0
[<ffffffff802e355f>] ext3_journal_dirty_data+0x1f/0x50
[<ffffffff802e35a5>] journal_dirty_data_fn+0x15/0x20
[<ffffffff802e279a>] walk_page_buffers+0x8a/0xb0
[<ffffffff802e3590>] ? journal_dirty_data_fn+0x0/0x20
[<ffffffff802e5ddf>] ext3_ordered_writepage+0xef/0x180
[<ffffffff8026da45>] __writepage+0x15/0x50
[<ffffffff8026e0eb>] write_cache_pages+0x26b/0x3c0
[<ffffffff8026da30>] ? __writepage+0x0/0x50
[<ffffffff8026e262>] generic_writepages+0x22/0x30
[<ffffffff8026e2ab>] do_writepages+0x3b/0x40
[<ffffffff802b3bd4>] __writeback_single_inode+0xa4/0x330
[<ffffffff802b432f>] generic_sync_sb_inodes+0x1ff/0x2f0
[<ffffffff802b4445>] sync_sb_inodes+0x25/0x30
[<ffffffff802b46a6>] writeback_inodes+0x96/0xe0
[<ffffffff8026ed2a>] background_writeout+0xaa/0xe0
[<ffffffff8026f330>] ? pdflush+0x0/0x1e0
[<ffffffff8026f43e>] pdflush+0x10e/0x1e0
[<ffffffff8026ec80>] ? background_writeout+0x0/0xe0
[<ffffffff8026f330>] ? pdflush+0x0/0x1e0
[<ffffffff802476bd>] kthread+0x4d/0x80
[<ffffffff8020c628>] child_rip+0xa/0x12
[<ffffffff8020bd13>] ? restore_args+0x0/0x30
[<ffffffff80247816>] ? kthreadd+0x126/0x1b0
[<ffffffff80247670>] ? kthread+0x0/0x80
[<ffffffff8020c61e>] ? child_rip+0x0/0x12

Code: fe 0f 1f 00 48 c7 c2 80 5d 57 80 eb c9 0f 1f 80 00 00 00 00 55 48 89 e5 53 48 89 fb 48 83 ec 08 f0 0f ba 37 00 19 c0 85 c0 75 04 <0f> 0b eb fe e8 90 f1 ff ff 48 89 de 48 89 c7 31 d2 e8 13 10 fe
RIP [<ffffffff80266a37>] unlock_page+0x17/0x40
RSP <ffff81015c697540>
---[ end trace d983269ed03ec2d7 ]---
------------[ cut here ]------------
kernel BUG at mm/filemap.c:575!
invalid opcode: 0000 [2] PREEMPT SMP DEBUG_PAGEALLOC
last sysfs file: /sys/kernel/uevent_seqnum
CPU 0
Modules linked in: ext2 nf_conntrack_irc xt_state iptable_filter ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack ip_tables x_tables usblp uhci_hcd ehci_hcd usbcore sr_mod cdrom
Pid: 19356, comm: growfiles Tainted: G D 2.6.26-rc5-mm1 #4
RIP: 0010:[<ffffffff80266a37>] [<ffffffff80266a37>] unlock_page+0x17/0x40
RSP: 0018:ffff81017e9c3658 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffe20000b1ec58 RCX: 0000000000000034
RDX: 0000000000000000 RSI: ffffe20000b1ec58 RDI: ffffe20000b1ec58
RBP: ffff81017e9c3668 R08: 0000000000000002 R09: 0000000000000001
R10: ffffffff8028b6f1 R11: 0000000000000000 R12: ffffe20000b1ec58
R13: 0000000000000001 R14: ffff81017e9c38b8 R15: ffff81017e9c39d8
FS: 00007fc4c7e1f6f0(0000) GS:ffffffff805ddc80(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000001cd8028 CR3: 000000017af6d000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process growfiles (pid: 19356, threadinfo ffff81017e9c2000, task ffff81015c790000)
Stack: ffff81017e9c3668 0000000000000000 ffff81017e9c3798 ffffffff802722ce
ffffe200053ab820 ffff81017e9c3758 0000000000000000 0000000000000000
0000000000000000 0000000000000001 ffff81017e9c36d8 0000000000000246
Call Trace:
[<ffffffff802722ce>] shrink_page_list+0x2ce/0x6d0
[<ffffffff80271602>] ? isolate_pages_global+0xf2/0x270
[<ffffffff802728f4>] shrink_list+0x224/0x590
[<ffffffff8026e445>] ? determine_dirtyable_memory+0x15/0x30
[<ffffffff8026e482>] ? get_dirty_limits+0x22/0x2a0
[<ffffffff80272eab>] shrink_zone+0x24b/0x330
[<ffffffff80273407>] try_to_free_pages+0x267/0x3e0
[<ffffffff80271510>] ? isolate_pages_global+0x0/0x270
[<ffffffff8026cf86>] __alloc_pages_internal+0x1b6/0x470
[<ffffffff80266e9a>] __grab_cache_page+0x6a/0xa0
[<ffffffff802e5ba5>] ext3_write_begin+0x65/0x1b0
[<ffffffff802677dd>] generic_file_buffered_write+0x14d/0x740
[<ffffffff80467d40>] ? _spin_unlock+0x30/0x60
[<ffffffff802ac0de>] ? mnt_drop_write+0x7e/0x160
[<ffffffff80268260>] __generic_file_aio_write_nolock+0x2a0/0x460
[<ffffffff80268486>] generic_file_aio_write+0x66/0xd0
[<ffffffff802e1496>] ext3_file_write+0x26/0xc0
[<ffffffff80291fb1>] do_sync_write+0xf1/0x130
[<ffffffff80247ae0>] ? autoremove_wake_function+0x0/0x40
[<ffffffff802a26be>] ? locks_free_lock+0x3e/0x60
[<ffffffff802a3c18>] ? fcntl_setlk+0x58/0x2c0
[<ffffffff8029276a>] vfs_write+0xaa/0xe0
[<ffffffff80292d10>] sys_write+0x50/0x90
[<ffffffff8020b6bb>] system_call_after_swapgs+0x7b/0x80

Code: fe 0f 1f 00 48 c7 c2 80 5d 57 80 eb c9 0f 1f 80 00 00 00 00 55 48 89 e5 53 48 89 fb 48 83 ec 08 f0 0f ba 37 00 19 c0 85 c0 75 04 <0f> 0b eb fe e8 90 f1 ff ff 48 89 de 48 89 c7 31 d2 e8 13 10 fe
RIP [<ffffffff80266a37>] unlock_page+0x17/0x40
RSP <ffff81017e9c3658>
------------[ cut here ]------------
kernel BUG at mm/filemap.c:575!
invalid opcode: 0000 [3] PREEMPT SMP DEBUG_PAGEALLOC
last sysfs file: /sys/kernel/uevent_seqnum
CPU 0
Modules linked in: ext2 nf_conntrack_irc xt_state iptable_filter ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack ip_tables x_tables usblp uhci_hcd ehci_hcd usbcore sr_mod cdrom
Pid: 3749, comm: syslog-ng Tainted: G D 2.6.26-rc5-mm1 #4
RIP: 0010:[<ffffffff80266a37>] [<ffffffff80266a37>] unlock_page+0x17/0x40
RSP: 0018:ffff81017efbd1e8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffe20000d5a798 RCX: 0000000000000034
RDX: 0000000000000000 RSI: ffffe20000d5a798 RDI: ffffe20000d5a798
RBP: ffff81017efbd1f8 R08: 0000000000000002 R09: 0000000000000001
R10: ffffffff8028b6f1 R11: 0000000000000000 R12: ffffe20000d5a798
R13: 0000000000000000 R14: ffff81017efbd448 R15: ffff81017efbd568
FS: 00007f39ccbef6f0(0000) GS:ffffffff805ddc80(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000001cd8028 CR3: 000000017efb7000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process syslog-ng (pid: 3749, threadinfo ffff81017efbc000, task ffff81017d97b3f0)
Stack: ffff81017efbd1f8 0000000000000000 ffff81017efbd328 ffffffff802722ce
ffffe2000538c6b0 ffff81017efbd2e8 0000000000000000 0000000000000000
0000000000000000 0000000000000001 ffff81017efbd268 0000000000000246
Call Trace:
[<ffffffff802722ce>] shrink_page_list+0x2ce/0x6d0
[<ffffffff80271602>] ? isolate_pages_global+0xf2/0x270
[<ffffffff802728f4>] shrink_list+0x224/0x590
[<ffffffff8026e445>] ? determine_dirtyable_memory+0x15/0x30
[<ffffffff8026e482>] ? get_dirty_limits+0x22/0x2a0
[<ffffffff80272eab>] shrink_zone+0x24b/0x330
[<ffffffff80273407>] try_to_free_pages+0x267/0x3e0
[<ffffffff80271510>] ? isolate_pages_global+0x0/0x270
[<ffffffff8026cf86>] __alloc_pages_internal+0x1b6/0x470
[<ffffffff8026906d>] find_or_create_page+0x4d/0xa0
[<ffffffff802b8c30>] __getblk+0xf0/0x280
[<ffffffff802df4b8>] read_block_bitmap+0x48/0x170
[<ffffffff802e03a6>] ext3_new_blocks+0x1f6/0x620
[<ffffffff802e38c2>] ext3_get_blocks_handle+0x312/0xb60
[<ffffffff8028bcaf>] ? init_object+0x4f/0x90
[<ffffffff8028cf86>] ? __slab_alloc+0xa6/0x660
[<ffffffff8025517d>] ? trace_hardirqs_on+0xd/0x10
[<ffffffff802b7ee7>] ? alloc_buffer_head+0x17/0x90
[<ffffffff802e43a7>] ext3_get_block+0xb7/0x110
[<ffffffff80467d40>] ? _spin_unlock+0x30/0x60
[<ffffffff802b9ed8>] __block_prepare_write+0x268/0x470
[<ffffffff802e42f0>] ? ext3_get_block+0x0/0x110
[<ffffffff802ba176>] block_write_begin+0x56/0xe0
[<ffffffff802e5c02>] ext3_write_begin+0xc2/0x1b0
[<ffffffff802e42f0>] ? ext3_get_block+0x0/0x110
[<ffffffff802677dd>] generic_file_buffered_write+0x14d/0x740
[<ffffffff80467d40>] ? _spin_unlock+0x30/0x60
[<ffffffff802ac0de>] ? mnt_drop_write+0x7e/0x160
[<ffffffff80268260>] __generic_file_aio_write_nolock+0x2a0/0x460
[<ffffffff80268486>] generic_file_aio_write+0x66/0xd0
[<ffffffff802e1496>] ext3_file_write+0x26/0xc0
[<ffffffff80291fb1>] do_sync_write+0xf1/0x130
[<ffffffff80247ae0>] ? autoremove_wake_function+0x0/0x40
[<ffffffff8029276a>] vfs_write+0xaa/0xe0
[<ffffffff80292d10>] sys_write+0x50/0x90
[<ffffffff8020b6bb>] system_call_after_swapgs+0x7b/0x80

Code: fe 0f 1f 00 48 c7 c2 80 5d 57 80 eb c9 0f 1f 80 00 00 00 00 55 48 89 e5 53 48 89 fb 48 83 ec 08 f0 0f ba 37 00 19 c0 85 c0 75 04 <0f> 0b eb fe e8 90 f1 ff ff 48 89 de 48 89 c7 31 d2 e8 13 10 fe
RIP [<ffffffff80266a37>] unlock_page+0x17/0x40
RSP <ffff81017efbd1e8>
---[ end trace d983269ed03ec2d7 ]---
---[ end trace d983269ed03ec2d7 ]---
------------[ cut here ]------------
kernel BUG at mm/filemap.c:575!
invalid opcode: 0000 [4] PREEMPT SMP DEBUG_PAGEALLOC
last sysfs file: /sys/kernel/uevent_seqnum
CPU 0
Modules linked in: ext2 nf_conntrack_irc xt_state iptable_filter ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack ip_tables x_tables usblp uhci_hcd ehci_hcd usbcore sr_mod cdrom
Pid: 19369, comm: growfiles Tainted: G D 2.6.26-rc5-mm1 #4
RIP: 0010:[<ffffffff80266a37>] [<ffffffff80266a37>] unlock_page+0x17/0x40
RSP: 0018:ffff81017e9c3658 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffe200011a9c10 RCX: 0000000000000034
RDX: 0000000000000000 RSI: ffffe200011a9c10 RDI: ffffe200011a9c10
RBP: ffff81017e9c3668 R08: 0000000000000002 R09: 0000000000000001
R10: ffffffff8028b6f1 R11: 0000000000000000 R12: ffffe200011a9c10
R13: 0000000000000001 R14: ffff81017e9c38b8 R15: ffff81017e9c39d8
FS: 00007fcc5d7af6f0(0000) GS:ffffffff805ddc80(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 00007fcc5d31ebf0 CR3: 000000017aea2000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process growfiles (pid: 19369, threadinfo ffff81017e9c2000, task ffff81015c790000)
Stack: ffff81017e9c3668 0000000000000000 ffff81017e9c3798 ffffffff802722ce
ffffe20005370c60 ffff81017e9c3758 0000000000000000 0000000000000000
0000000000000000 0000000000000001 ffff81017e9c36d8 0000000000000246
Call Trace:
[<ffffffff802722ce>] shrink_page_list+0x2ce/0x6d0
[<ffffffff80271602>] ? isolate_pages_global+0xf2/0x270
[<ffffffff802728f4>] shrink_list+0x224/0x590
[<ffffffff8026e445>] ? determine_dirtyable_memory+0x15/0x30
[<ffffffff8026e482>] ? get_dirty_limits+0x22/0x2a0
[<ffffffff80272eab>] shrink_zone+0x24b/0x330
[<ffffffff80273407>] try_to_free_pages+0x267/0x3e0
[<ffffffff80271510>] ? isolate_pages_global+0x0/0x270
[<ffffffff8026cf86>] __alloc_pages_internal+0x1b6/0x470
[<ffffffff80266e9a>] __grab_cache_page+0x6a/0xa0
[<ffffffff802e5ba5>] ext3_write_begin+0x65/0x1b0
[<ffffffff802677dd>] generic_file_buffered_write+0x14d/0x740
[<ffffffff80467d40>] ? _spin_unlock+0x30/0x60
[<ffffffff802ac0de>] ? mnt_drop_write+0x7e/0x160
[<ffffffff80268260>] __generic_file_aio_write_nolock+0x2a0/0x460
[<ffffffff80268486>] generic_file_aio_write+0x66/0xd0
[<ffffffff802e1496>] ext3_file_write+0x26/0xc0
[<ffffffff80291fb1>] do_sync_write+0xf1/0x130
[<ffffffff80247ae0>] ? autoremove_wake_function+0x0/0x40
[<ffffffff802a26be>] ? locks_free_lock+0x3e/0x60
[<ffffffff802a3c18>] ? fcntl_setlk+0x58/0x2c0
[<ffffffff8029276a>] vfs_write+0xaa/0xe0
[<ffffffff80292d10>] sys_write+0x50/0x90
[<ffffffff8020b6bb>] system_call_after_swapgs+0x7b/0x80

Code: fe 0f 1f 00 48 c7 c2 80 5d 57 80 eb c9 0f 1f 80 00 00 00 00 55 48 89 e5 53 48 89 fb 48 83 ec 08 f0 0f ba 37 00 19 c0 85 c0 75 04 <0f> 0b eb fe e8 90 f1 ff ff 48 89 de 48 89 c7 31 d2 e8 13 10 fe
RIP [<ffffffff80266a37>] unlock_page+0x17/0x40
RSP <ffff81017e9c3658>
---[ end trace d983269ed03ec2d7 ]---
------------[ cut here ]------------
kernel BUG at mm/filemap.c:575!
invalid opcode: 0000 [5] PREEMPT SMP DEBUG_PAGEALLOC
last sysfs file: /sys/kernel/uevent_seqnum
CPU 0
Modules linked in: ext2 nf_conntrack_irc xt_state iptable_filter ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack ip_tables x_tables usblp uhci_hcd ehci_hcd usbcore sr_mod cdrom
Pid: 15946, comm: pan Tainted: G D 2.6.26-rc5-mm1 #4
RIP: 0010:[<ffffffff80266a37>] [<ffffffff80266a37>] unlock_page+0x17/0x40
RSP: 0018:ffff81015c799958 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffe20000b020f8 RCX: 0000000000000034
RDX: 0000000000000000 RSI: ffffe20000b020f8 RDI: ffffe20000b020f8
RBP: ffff81015c799968 R08: 0000000000000002 R09: 0000000000000001
R10: ffffffff8028b6f1 R11: 0000000000000000 R12: ffffe20000b020f8
R13: 0000000000000001 R14: ffff81015c799bb8 R15: ffff81015c799cd8
FS: 00007fb10b0e76f0(0000) GS:ffffffff805ddc80(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 00007fb10b0ee0c0 CR3: 000000017cd77000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process pan (pid: 15946, threadinfo ffff81015c798000, task ffff81017e2c5690)
Stack: ffff81015c799968 0000000000000000 ffff81015c799a98 ffffffff802722ce
ffffe200053868d8 ffff81015c799a58 0000000000000000 0000000000000000
0000000000000000 0000000000000001 ffff81015c7999d8 0000000000000246
Call Trace:
[<ffffffff802722ce>] shrink_page_list+0x2ce/0x6d0
[<ffffffff802716a6>] ? isolate_pages_global+0x196/0x270
[<ffffffff802728f4>] shrink_list+0x224/0x590
[<ffffffff8026e445>] ? determine_dirtyable_memory+0x15/0x30
[<ffffffff8026e482>] ? get_dirty_limits+0x22/0x2a0
[<ffffffff80272eab>] shrink_zone+0x24b/0x330
[<ffffffff80273407>] try_to_free_pages+0x267/0x3e0
[<ffffffff80271510>] ? isolate_pages_global+0x0/0x270
[<ffffffff8026cf86>] __alloc_pages_internal+0x1b6/0x470
[<ffffffff8026d257>] __get_free_pages+0x17/0x60
[<ffffffff80230616>] copy_process+0xb6/0x1270
[<ffffffff80231902>] do_fork+0x82/0x280
[<ffffffff802900fb>] ? fd_install+0x5b/0x70
[<ffffffff804674bd>] ? lockdep_sys_exit_thunk+0x35/0x67
[<ffffffff8020b6bb>] ? system_call_after_swapgs+0x7b/0x80
[<ffffffff80209913>] sys_clone+0x23/0x30
[<ffffffff8020ba57>] ptregscall_common+0x67/0xb0

Code: fe 0f 1f 00 48 c7 c2 80 5d 57 80 eb c9 0f 1f 80 00 00 00 00 55 48 89 e5 53 48 89 fb 48 83 ec 08 f0 0f ba 37 00 19 c0 85 c0 75 04 <0f> 0b eb fe e8 90 f1 ff ff 48 89 de 48 89 c7 31 d2 e8 13 10 fe
RIP [<ffffffff80266a37>] unlock_page+0x17/0x40
RSP <ffff81015c799958>
---[ end trace d983269ed03ec2d7 ]---


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