TC classifier action (bugs to netdev@vger.kernel.org cc hadi@cyberus.ca)
Break instruction in kernel code[#1]:
Cpu 0
$ 0   : 00000000 1000fc00 00000e10 00000024
$ 4   : 00000000 805bbd60 805bbd60 00000000
$ 8   : 00000000 00000000 00000000 00000000
$12   : 00000000 00000000 00059000 00100100
$16   : 00000020 805bbc10 801fb9d0 805bbc20
$20   : 805bbc18 00000000 00000000 00000000
$24   : 00000000 2aaa9228
$28   : 805ba000 805bbc00 00000000 800644a4
Hi    : 00000e10
Lo    : 00000000
epc   : 800636d4 shrink_zone+0x128/0xdb4     Not tainted
ra    : 800644a4 try_to_free_pages+0x144/0x258
Status: 1000fc03    KERNEL EXL IE
Cause : 00800024
PrId  : 00029107
Modules linked in:
Process hotplug (pid: 8, threadinfo=805ba000, task=80599000)
Stack : 00000000 8001339c 2aaec000 805bede0 805bbc10 805bbc10 805bbc18 805bbc18
        805bbc20 805bbc20 00000000 ffc00000 2aaae000 00000000 2aaae000 00001000
        1000fc01 1000001e 00000000 00000000 00000000 805bbe08 00001000 0000001e
        00000000 80390020 00000000 0005a180 00000000 00000000 00001000 0000005a
        00000018 80390020 c59f1768 00000013 00000000 80390020 00000000 0005a180
        ...
Call Trace:
 [<8001339c>] ret_from_irq+0x0/0x10
 [<8001db08>] tlb_do_page_fault_1+0x100/0x108
 [<8001daf4>] tlb_do_page_fault_1+0xec/0x108
 [<8008b140>] link_path_walk+0x194/0x1b4
 [<8005a878>] read_cache_page+0x140/0x20c
 [<80063094>] shrink_slab+0x218/0x250
 [<80062f04>] shrink_slab+0x88/0x250
 [<800644a4>] try_to_free_pages+0x144/0x258
 [<8005e4a0>] __alloc_pages+0x19c/0x2e8
 [<80066aac>] unmap_vmas+0x16c/0x5c0
 [<80066394>] __pte_alloc+0x38/0xdc
 [<80066330>] free_pgtables+0xa8/0xd4
 [<80068398>] __handle_mm_fault+0x88/0xa1c
 [<8006aeec>] unmap_region+0xe0/0x11c
 [<8006aea8>] unmap_region+0x9c/0x11c
 [<8001d324>] do_page_fault+0x104/0x360
 [<8006b864>] do_mmap_pgoff+0x570/0x71c
 [<800495c8>] autoremove_wake_function+0x0/0x44
 [<80017f8c>] old_mmap+0xb0/0xec
 [<80017f78>] old_mmap+0x9c/0xec
 [<8007ad0c>] sys_read+0x54/0x98
 [<80079f7c>] do_sys_open+0xf4/0x118
 [<8001db08>] tlb_do_page_fault_1+0x100/0x108
 [<8001ba00>] stack_done+0x20/0x3c


Code: 00021080  14800002  0044001b <0007000d> 3c038020  8e450100  8c66c050  24040064  00a42007
Algorithmics/MIPS FPU Emulator v1.5
Break instruction in kernel code[#2]:
Cpu 0
$ 0   : 00000000 1000fc00 00002008 00000052
$ 4   : 00000000 805dfb10 805dfb10 00000000
$ 8   : 00000000 00000000 00000000 00000000
$12   : 00000000 805dfe08 00001000 0000001e
$16   : 00000020 805df9c0 801fb9d0 805df9d0
$20   : 805df9c8 00000000 00000000 00000000
$24   : 00000003 8038fe80
$28   : 805de000 805df9b0 00000000 800644a4
Hi    : 00002008
Lo    : 00000000
epc   : 800636d4 shrink_zone+0x128/0xdb4     Not tainted
ra    : 800644a4 try_to_free_pages+0x144/0x258
Status: 1000fc03    KERNEL EXL IE
Cause : 00800024
PrId  : 00029107
Modules linked in:
Process hotplug (pid: 10, threadinfo=805de000, task=805d1800)
Stack : d5f52a2a 5555aaab 5555aaaa 5555aaaa 805df9c0 805df9c0 805df9c8 805df9c8
        805df9d0 805df9d0 5555aaaa 5555aaaa 5755aa2a 5555aaa2 5555aaaa 5515a630
        1155aeaa 5555baa9 d5548aa8 5555aaaa 5551aaaa 55559aaa 5555aaaa 5555aaaa
        5555aaaa 5555aaaa 5555aaaa 5555aaaa 7555aaea 575daaaa d555abaa 1555aaab
        d55532ba 5555aaaa 5555aaea 54752aba 5555aaaa 5555aaba 5555aaaa 7555aaaa
        ...
Call Trace:
 [<80089e78>] do_lookup+0x70/0x1bc
 [<80063094>] shrink_slab+0x218/0x250
 [<80062f04>] shrink_slab+0x88/0x250
 [<800644a4>] try_to_free_pages+0x144/0x258
 [<8005e4a0>] __alloc_pages+0x19c/0x2e8
 [<80068438>] __handle_mm_fault+0x128/0xa1c
 [<80068418>] __handle_mm_fault+0x108/0xa1c
 [<8005c26c>] __generic_file_aio_read+0x1bc/0x20c
 [<8001d324>] do_page_fault+0x104/0x360
 [<80089e78>] do_lookup+0x70/0x1bc
 [<8001db08>] tlb_do_page_fault_1+0x100/0x108
 [<8008ae54>] __link_path_walk+0xd0c/0xe64
 [<8001db08>] tlb_do_page_fault_1+0x100/0x108
 [<8008b140>] link_path_walk+0x194/0x1b4
 [<8005a878>] read_cache_page+0x140/0x20c
 [<80059b48>] file_read_actor+0x0/0xf8
 [<800597c0>] do_generic_mapping_read+0x1ec/0x574
 [<80059b74>] file_read_actor+0x2c/0xf8
 [<800597c0>] do_generic_mapping_read+0x1ec/0x574
 [<8008b140>] link_path_walk+0x194/0x1b4
 [<8005c26c>] __generic_file_aio_read+0x1bc/0x20c
 [<80059b48>] file_read_actor+0x0/0xf8
 [<800688a8>] __handle_mm_fault+0x598/0xa1c
 [<8005c3e0>] generic_file_read+0x88/0xb8
 [<800495c8>] autoremove_wake_function+0x0/0x44
 [<8007a914>] vfs_read+0xb8/0x19c
 [<8007ad0c>] sys_read+0x54/0x98
 [<80079f7c>] do_sys_open+0xf4/0x118
 [<8001ba00>] stack_done+0x20/0x3c


Code: 00021080  14800002  0044001b <0007000d> 3c038020  8e450100  8c66c050  24040064  00a42007
Break instruction in kernel code[#3]:
Cpu 0
$ 0   : 00000000 1000fc00 00001e14 0000004d
$ 4   : 00000000 80793d10 80793d10 ffff00fe
$ 8   : 80793fe0 0000fc00 00000000 805ec000
$12   : 00000000 00200200 00100100 ffffffff
$16   : 00000020 80793bc0 801fb9d0 80793bd0
$20   : 80793bc8 00000000 00000000 0000000c
$24   : 00000001 00000005
$28   : 80792000 80793bb0 00000000 800644a4
Hi    : 00001e14
Lo    : 00000000
epc   : 800636d4 shrink_zone+0x128/0xdb4     Not tainted
ra    : 800644a4 try_to_free_pages+0x144/0x258
Status: 1000fc03    KERNEL EXL IE
Cause : 00800024
PrId  : 00029107
Modules linked in:
Process swapper (pid: 1, threadinfo=80792000, task=80790c00)
Stack : 8038e1c0 80793e28 00000000 800767b0 80793bc0 80793bc0 80793bc8 80793bc8
        80793bd0 80793bd0 00000000 80360000 00000000 00000000 00000001 800fec8c
        00000074 801fbe88 00000000 00000010 8038e2e0 805916ac 80360000 8007cf14
        801c23e8 801c1204 80793c18 80793c18 00000000 00000001 ffff1692 00000014
        80793c60 80200000 00000000 801fbe60 ffff1692 00000014 801c23f0 801c23e8
        ...
Call Trace:
 [<800767b0>] kmem_cache_alloc+0x5c/0x98
 [<800fec8c>] radix_tree_insert+0x19c/0x29c
 [<8007cf14>] __set_page_dirty_buffers+0x114/0x130
 [<801c23e8>] schedule_timeout+0xa0/0xd8
 [<801c1204>] schedule+0x204/0x80c
 [<801c23f0>] schedule_timeout+0xa8/0xd8
 [<801c23e8>] schedule_timeout+0xa0/0xd8
 [<8003da70>] process_timeout+0x0/0x8
 [<801c2300>] io_schedule_timeout+0x38/0x60
 [<80038978>] getnstimeofday+0x18/0x4c
 [<800ee5f4>] blk_congestion_wait+0x88/0xb0
 [<800495c8>] autoremove_wake_function+0x0/0x44
 [<80031da8>] copy_process+0xb20/0x1044
 [<800644a4>] try_to_free_pages+0x144/0x258
 [<8005e4a0>] __alloc_pages+0x19c/0x2e8
 [<80076af8>] cache_alloc_refill+0x30c/0x5a0
 [<800767b0>] kmem_cache_alloc+0x5c/0x98
 [<800956bc>] d_alloc+0x34/0x1a0
 [<80095bb4>] d_lookup+0x34/0x70
 [<8008b714>] __lookup_hash+0xec/0x14c
 [<8008b800>] lookup_one_len+0x7c/0x94
 [<80044aa8>] __call_usermodehelper+0x0/0x80
 [<800c3094>] _devfs_alloc_entry+0x50/0x108
 [<800b8f68>] create_dir+0x50/0x1fc
 [<800c3558>] _devfs_prepare_leaf+0x1f0/0x24c
 [<800b9190>] sysfs_create_dir+0x68/0x8c
 [<800fd3a4>] kobject_get+0x20/0x34
 [<800fd3a4>] kobject_get+0x20/0x34
 [<800fd6b8>] kobject_add+0xd4/0x190
 [<8011b750>] class_device_add+0xac/0x3c0
 [<8011b738>] class_device_add+0x94/0x3c0
 [<8011b5a0>] class_device_initialize+0x24/0x3c
 [<8011bb34>] class_device_create+0xa8/0xe4
 [<8011b06c>] class_create+0x30/0x98
 [<80255a40>] chr_dev_init+0x9c/0xe4
 [<80253394>] init_pipe_fs+0x30/0x6c
 [<8025556c>] genhd_device_init+0x34/0x44
 [<80010534>] init+0xc0/0x28c
 [<800150f4>] kernel_thread_helper+0x10/0x18
 [<800150e4>] kernel_thread_helper+0x0/0x18


Code: 00021080  14800002  0044001b <0007000d> 3c038020  8e450100  8c66c050  24040064  00a42007