Attachment 156797 Details for Bug 227331 – Panic backtrace of XFS stack overflow

Panic backtrace of XFS stack overflow

SMP_XFS_Stack_Unhappyness_FC5 (text/plain), 16.00 KB, created by paul.knowles on 2007-06-12 14:34:38 UTC

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Creator: paul.knowles

Created: 2007-06-12 14:34:38 UTC

Size: 16.00 KB

patch

obsolete

>do_IRQ: stack overflow: 500
> [<c0406282>] do_IRQ+0x71/0xdb
> [<c0404907>] common_interrupt+0x23/0x28
> [<c04e00d8>] disk_stats_read+0x23a/0x2c3
> [<c046c5c3>] kmem_cache_alloc+0x4e/0x56
> [<c04558d0>] mempool_alloc+0x37/0xd5
> [<c04e3007>] cfq_find_cfq_hash+0x18/0x1b
> [<c04dcd5d>] get_request+0x143/0x2b2
> [<c04e31ee>] cfq_resort_rr_list+0x1f/0x77
> [<c04e405f>] cfq_insert_request+0x6d/0x44e
> [<c04dd62c>] get_request_wait+0x26/0x16c
> [<c04da6c7>] elv_insert+0x146/0x1ec
> [<c04dad3e>] elv_merge+0x15b/0x1af
> [<c04ded67>] <0>------------[ cut here ]------------
>kernel BUG at kernel/sched.c:1026!
>invalid opcode: 0000 [#1]
>SMP 
>last sysfs file: /devices/platform/i2c-9191/9191-0290/temp2_max_hyst
>Modules linked in: nfsd exportfs lockd nfs_acl sunrpc ipv6 w83627ehf hwmon i2c_isa xfs dm_mirror dm_mod raid1 raid456 xor video sbs i2c_ec dock button battery asus_acpi backlight ac lp parport_pc parport sd_mod sg ehci_hcd uhci_hcd snd_ice1712 snd_ice17xx_ak4xxx snd_ak4xxx_adda snd_cs8427 snd_ac97_codec sky2 snd_hda_intel snd_seq_dummy snd_hda_codec serio_raw snd_seq_oss snd_seq_midi_event snd_seq snd_pcm_oss ata_piix snd_mixer_oss snd_pcm libata pcspkr snd_timer snd_page_alloc scsi_mod ac97_bus snd_i2c snd_mpu401_uart snd_rawmidi ide_cd snd_seq_device i2c_i801 i2c_core snd iTCO_wdt cdrom iTCO_vendor_support soundcore ext3 jbd
>CPU:    1
>EIP:    0060:[<c042034e>]    Not tainted VLI
>EFLAGS: 00010006   (2.6.20-1.2316.fc5smp #1)
>EIP is at resched_task+0x1e/0x59
>eax: c0745e1d   ebx: f7eaacd0   ecx: f7e5e000   edx: 00000010
>esi: 00000000   edi: c262a130   ebp: cae5fd00   esp: cae5fcfc
>ds: 007b   es: 007b   ss: 0068
>Process wave (pid: 20739, ti=cae5f000 task=f7eae7c0 task.ti=cae5f000)
>Stack: c2415880 cae5fd60 c0421ac8 000001c0 01cd7a80 00000000 00000003 00000000 
>       00000001 00000001 c2415880 000001c0 00000001 00000000 00000069 00000040 
>       01ccfa80 c2416420 b2c9b227 00001cd4 00000003 00000086 f7f39fac f7505e98 
>Call Trace:
> [<c0421ac8>] try_to_wake_up+0x38a/0x3b4
> [<c0437a02>] autoremove_wake_function+0x15/0x35
> [<c041efe0>] __wake_up_common+0x32/0x55
> [<c041fed9>] __wake_up+0x32/0x43
> [<c05a209c>] md_wakeup_thread+0x26/0x28
> [<f8aabc47>] raid5_unplug_device+0x44/0x5a [raid456]
> [<c04deea3>] blk_backing_dev_unplug+0x73/0x7b
> [<c0452e23>] sync_page+0x0/0x3b
> [<c048ad61>] block_sync_page+0x31/0x32
> [<c0452e56>] sync_page+0x33/0x3b
> [<c061d94a>] __wait_on_bit_lock+0x2a/0x52
> [<c0452e15>] __lock_page+0x58/0x5e
> [<c0437a22>] wake_bit_function+0x0/0x3c
> [<c04554c3>] filemap_nopage+0x22a/0x319
> [<c045e0ea>] __handle_mm_fault+0x1da/0xc41
> [<c04200fd>] task_running_tick+0x2d/0x237
> [<c04200c0>] enqueue_task+0x29/0x39
> [<c040315e>] __switch_to+0x182/0x18c
> [<c061ffab>] do_page_fault+0x2b7/0x5da
> [<c04200fd>] task_running_tick+0x2d/0x237
> [<c061fcf4>] do_page_fault+0x0/0x5da
> [<c061e95c>] error_code+0x7c/0x84
> =======================
>Code: ff 43 10 8b 46 18 01 43 14 5b 5e 5d c3 55 89 e5 53 89 c3 8b 4b 04 b8 00 5e 74 c0 8b 51 10 03 04 95 00 44 70 c0 8a 00 84 c0 7e 04 <0f> 0b eb fe 8b 41 08 a8 08 75 2d f0 0f ba 69 08 03 8b 43 04 8b 
>EIP: [<c042034e>] resched_task+0x1e/0x59 SS:ESP 0068:cae5fcfc
> <3>BUG: sleeping function called from invalid context at kernel/rwsem.c:20
>in_atomic():0, irqs_disabled():1
> [<c043a402>] down_read+0x12/0x28
> [<c044672a>] acct_collect+0x38/0x13e
> [<c042922d>] do_exit+0x1b2/0x719
> [<c04270b8>] printk+0x1f/0x95
> [<c0405544>] die+0x21b/0x240
> [<c0405946>] do_invalid_op+0x0/0xab
> [<c04059e8>] do_invalid_op+0xa2/0xab
> [<c042034e>] resched_task+0x1e/0x59
> [<c04de4a3>] submit_bio+0xd7/0xde
> [<c04e820e>] radix_tree_node_alloc+0x16/0x55
> [<c061e95c>] error_code+0x7c/0x84
> [<c042007b>] requeue_task+0xb/0x27
> [<c042034e>] resched_task+0x1e/0x59
> [<c0421ac8>] try_to_wake_up+0x38a/0x3b4
> [<c0437a02>] autoremove_wake_function+0x15/0x35
> [<c041efe0>] __wake_up_common+0x32/0x55
> [<c041fed9>] __wake_up+0x32/0x43
> [<c05a209c>] md_wakeup_thread+0x26/0x28
> [<f8aabc47>] raid5_unplug_device+0x44/0x5a [raid456]
> [<c04deea3>] blk_backing_dev_unplug+0x73/0x7b
> [<c0452e23>] sync_page+0x0/0x3b
> [<c048ad61>] block_sync_page+0x31/0x32
> [<c0452e56>] sync_page+0x33/0x3b
> [<c061d94a>] __wait_on_bit_lock+0x2a/0x52
> [<c0452e15>] __lock_page+0x58/0x5e
> [<c0437a22>] wake_bit_function+0x0/0x3c
> [<c04554c3>] filemap_nopage+0x22a/0x319
> [<c045e0ea>] __handle_mm_fault+0x1da/0xc41
> [<c04200fd>] task_running_tick+0x2d/0x237
> [<c04200c0>] enqueue_task+0x29/0x39
> [<c040315e>] __switch_to+0x182/0x18c
> [<c061ffab>] do_page_fault+0x2b7/0x5da
> [<c04200fd>] task_running_tick+0x2d/0x237
> [<c061fcf4>] do_page_fault+0x0/0x5da
> [<c061e95c>] error_code+0x7c/0x84
> =======================
>__make_request+0x4fc/0x5c5
> [<c04e4a08>] cfq_set_request+0x2bc/0x33a
> [<c04dc51b>] generic_make_request+0x29d/0x2ad
> [<c04da90a>] elv_rb_add+0x65/0x6d
> [<f8ab0e95>] make_request+0x2fb/0x642 [raid456]
> [<c04da90a>] elv_rb_add+0x65/0x6d
> [<c04dc51b>] generic_make_request+0x29d/0x2ad
> [<c04de4a3>] submit_bio+0xd7/0xde
> [<f8aab0bd>] raid5_mergeable_bvec+0x0/0xa5 [raid456]
> [<c048ef2b>] bio_add_page+0x31/0x3a
> [<f8bb6e01>] xfs_buf_iorequest+0x353/0x3a1 [xfs]
> [<f8bb754c>] xfs_buf_get_flags+0x30d/0x3c9 [xfs]
> [<f8bb708c>] xfs_buf_iostart+0x68/0x7d [xfs]
> [<f8bb7653>] xfs_buf_read_flags+0x4b/0x7b [xfs]
> [<f8ba9f58>] xfs_trans_read_buf+0x1ea/0x2f6 [xfs]
> [<f8b7fe8d>] xfs_btree_read_bufl+0xaa/0xc4 [xfs]
> [<f8b7bee8>] xfs_bmbt_lshift+0xa7/0x423 [xfs]
> [<f8bb71aa>] _xfs_buf_find+0x109/0x19e [xfs]
> [<f8b7cc0b>] xfs_bmbt_insert+0x292/0xea3 [xfs]
> [<f8bb752c>] xfs_buf_get_flags+0x2ed/0x3c9 [xfs]
> [<c061e7df>] _spin_lock_irqsave+0x9/0xd
> [<f8bb7624>] xfs_buf_read_flags+0x1c/0x7b [xfs]
> [<f8baa024>] xfs_trans_read_buf+0x2b6/0x2f6 [xfs]
> [<f8b804e6>] xfs_btree_check_lblock+0x56/0x19a [xfs]
> [<f8b7da6f>] xfs_bmbt_lookup+0x253/0x488 [xfs]
> [<f8b6577f>] xfs_alloc_log_agf+0x41/0x47 [xfs]
> [<f8b74d8d>] xfs_bmap_add_extent+0x1045/0x1fbe [xfs]
> [<f8b6577f>] xfs_alloc_log_agf+0x41/0x47 [xfs]
> [<f8b6707e>] xfs_alloc_ag_vextent+0xf30/0xfa4 [xfs]
> [<f8b77bcd>] xfs_bmapi+0x14c5/0x1f7b [xfs]
> [<f8b9a6a1>] xfs_iomap_write_allocate+0x309/0x4d0 [xfs]
> [<f8b9916f>] xfs_iomap+0x447/0x76f [xfs]
> [<c04ea6d0>] __delay+0x6/0x7
> [<f8912cd5>] ata_bmdma_setup+0x63/0x68 [libata]
> [<f8bb4dd6>] xfs_map_blocks+0x3c/0x69 [xfs]
> [<f8bb51d3>] xfs_page_state_convert+0x37c/0xd8e [xfs]
> [<c061e7cd>] _spin_unlock_irq+0x5/0x7
> [<c061d181>] __sched_text_start+0x999/0xa21
> [<c04dd3cb>] blk_remove_plug+0x5b/0x67
> [<c0450184>] handle_fasteoi_irq+0x0/0xa7
> [<c04062d7>] do_IRQ+0xc6/0xdb
> [<c0404907>] common_interrupt+0x23/0x28
> [<f8bb488c>] xfs_count_page_state+0x2f/0x7d [xfs]
> [<f8bb5e23>] xfs_vm_writepage+0x99/0xca [xfs]
> [<c0457cd3>] generic_writepages+0x18c/0x2bd
> [<f8bb5d8a>] xfs_vm_writepage+0x0/0xca [xfs]
> [<f8bb5e54>] xfs_vm_writepages+0x0/0x33 [xfs]
> [<c0457e24>] do_writepages+0x20/0x30
> [<c0453b54>] __filemap_fdatawrite_range+0x65/0x70
> [<c0453d82>] filemap_fdatawrite+0x23/0x27
> [<f9266738>] nfsd_sync+0x51/0x94 [nfsd]
> [<f9266fa3>] nfsd_commit+0x7f/0xa0 [nfsd]
> [<f926cca4>] nfsd3_proc_commit+0xed/0xfb [nfsd]
> [<f9263200>] nfsd_dispatch+0xc5/0x180 [nfsd]
> [<f919f1c5>] svc_process+0x355/0x610 [sunrpc]
> [<c0418df2>] smp_apic_timer_interrupt+0x76/0x80
> [<c04049c4>] apic_timer_interrupt+0x28/0x30
> [<f926373b>] nfsd+0x173/0x278 [nfsd]
> [<f92635c8>] nfsd+0x0/0x278 [nfsd]
> [<c0404b47>] kernel_thread_helper+0x7/0x10
>BUG: unable to handle kernel paging request at virtual address 20676e69
> printing eip:
>c0404fc6
>*pde = 00000000
>Oops: 0000 [#2]
>SMP 
>last sysfs file: /devices/platform/i2c-9191/9191-0290/temp2_max_hyst
>Modules linked in: nfsd exportfs lockd nfs_acl sunrpc ipv6 w83627ehf hwmon i2c_isa xfs dm_mirror dm_mod raid1 raid456 xor video sbs i2c_ec dock button battery asus_acpi backlight ac lp parport_pc parport sd_mod sg ehci_hcd uhci_hcd snd_ice1712 snd_ice17xx_ak4xxx snd_ak4xxx_adda snd_cs8427 snd_ac97_codec sky2 snd_hda_intel snd_seq_dummy snd_hda_codec serio_raw snd_seq_oss snd_seq_midi_event snd_seq snd_pcm_oss ata_piix snd_mixer_oss snd_pcm libata pcspkr snd_timer snd_page_alloc scsi_mod ac97_bus snd_i2c snd_mpu401_uart snd_rawmidi ide_cd snd_seq_device i2c_i801 i2c_core snd iTCO_wdt cdrom iTCO_vendor_support soundcore ext3 jbd
>CPU:    0
>EIP:    0060:[<c0404fc6>]    Not tainted VLI
>EFLAGS: 00010097   (2.6.20-1.2316.fc5smp #1)
>EIP is at dump_trace+0x5c/0x93
>eax: 20676ffd   ebx: 20676e69   ecx: 01df5fe0   edx: 01ccfa80
>esi: 615f7970   edi: 20676000   ebp: c067345b   esp: f7e5e1f4
>ds: 007b   es: 007b   ss: 0068
>Process nfsd (pid: 2492, ti=f7e5e000 task=f7eaacd0 task.ti=f7e5e000)
>Stack: f700b7fc c067345b 00000012 f7e67480 00000000 c0405015 c06bec40 c067345b 
>       00000246 c04055a3 c067345b c040560c 00000000 c0406282 c06678f7 000001f4 
>       00000000 00000246 00011200 f7e67480 00011210 c0404907 00000246 f7e67480 
>Call Trace:
> [<c0405015>] show_trace_log_lvl+0x18/0x2c
> [<c04055a3>] show_trace+0xf/0x11
> [<c040560c>] dump_stack+0x12/0x14
> [<c0406282>] do_IRQ+0x71/0xdb
> [<c0404907>] common_interrupt+0x23/0x28
> [<c04e00d8>] disk_stats_read+0x23a/0x2c3
> [<c046c5c3>] kmem_cache_alloc+0x4e/0x56
> [<c04558d0>] mempool_alloc+0x37/0xd5
> [<c04e3007>] cfq_find_cfq_hash+0x18/0x1b
> [<c04dcd5d>] get_request+0x143/0x2b2
> [<c04e31ee>] cfq_resort_rr_list+0x1f/0x77
> [<c04e405f>] cfq_insert_request+0x6d/0x44e
> [<c04dd62c>] get_request_wait+0x26/0x16c
> [<c04da6c7>] elv_insert+0x146/0x1ec
> [<c04dad3e>] elv_merge+0x15b/0x1af
> [<c04ded67>] __make_request+0x4fc/0x5c5
> [<c04e4a08>] cfq_set_request+0x2bc/0x33a
> [<c04dc51b>] generic_make_request+0x29d/0x2ad
> [<c04da90a>] elv_rb_add+0x65/0x6d
> [<f8ab0e95>] make_request+0x2fb/0x642 [raid456]
> [<c04da90a>] elv_rb_add+0x65/0x6d
> [<c04dc51b>] generic_make_request+0x29d/0x2ad
> [<c04de4a3>] submit_bio+0xd7/0xde
> [<f8aab0bd>] raid5_mergeable_bvec+0x0/0xa5 [raid456]
> [<c048ef2b>] bio_add_page+0x31/0x3a
> [<f8bb6e01>] xfs_buf_iorequest+0x353/0x3a1 [xfs]
> [<f8bb754c>] xfs_buf_get_flags+0x30d/0x3c9 [xfs]
> [<f8bb708c>] xfs_buf_iostart+0x68/0x7d [xfs]
> [<f8bb7653>] xfs_buf_read_flags+0x4b/0x7b [xfs]
> [<f8ba9f58>] xfs_trans_read_buf+0x1ea/0x2f6 [xfs]
> [<f8b7fe8d>] xfs_btree_read_bufl+0xaa/0xc4 [xfs]
> [<f8b7bee8>] xfs_bmbt_lshift+0xa7/0x423 [xfs]
> [<f8bb71aa>] _xfs_buf_find+0x109/0x19e [xfs]
> [<f8b7cc0b>] xfs_bmbt_insert+0x292/0xea3 [xfs]
> [<f8bb752c>] xfs_buf_get_flags+0x2ed/0x3c9 [xfs]
> [<c061e7df>] _spin_lock_irqsave+0x9/0xd
> [<f8bb7624>] xfs_buf_read_flags+0x1c/0x7b [xfs]
> [<f8baa024>] xfs_trans_read_buf+0x2b6/0x2f6 [xfs]
> [<f8b804e6>] xfs_btree_check_lblock+0x56/0x19a [xfs]
> [<f8b7da6f>] xfs_bmbt_lookup+0x253/0x488 [xfs]
> [<f8b6577f>] xfs_alloc_log_agf+0x41/0x47 [xfs]
> [<f8b74d8d>] xfs_bmap_add_extent+0x1045/0x1fbe [xfs]
> [<f8b6577f>] xfs_alloc_log_agf+0x41/0x47 [xfs]
> [<f8b6707e>] xfs_alloc_ag_vextent+0xf30/0xfa4 [xfs]
> [<f8b77bcd>] xfs_bmapi+0x14c5/0x1f7b [xfs]
> [<f8b9a6a1>] xfs_iomap_write_allocate+0x309/0x4d0 [xfs]
> [<f8b9916f>] xfs_iomap+0x447/0x76f [xfs]
> [<c04ea6d0>] __delay+0x6/0x7
> [<f8912cd5>] ata_bmdma_setup+0x63/0x68 [libata]
> [<f8bb4dd6>] xfs_map_blocks+0x3c/0x69 [xfs]
> [<f8bb51d3>] xfs_page_state_convert+0x37c/0xd8e [xfs]
> [<c061e7cd>] _spin_unlock_irq+0x5/0x7
> [<c061d181>] __sched_text_start+0x999/0xa21
> [<c04dd3cb>] blk_remove_plug+0x5b/0x67
> [<c0450184>] handle_fasteoi_irq+0x0/0xa7
> [<c04062d7>] do_IRQ+0xc6/0xdb
> [<c0404907>] common_interrupt+0x23/0x28
> [<f8bb488c>] xfs_count_page_state+0x2f/0x7d [xfs]
> [<f8bb5e23>] xfs_vm_writepage+0x99/0xca [xfs]
> [<c0457cd3>] generic_writepages+0x18c/0x2bd
> [<f8bb5d8a>] xfs_vm_writepage+0x0/0xca [xfs]
> [<f8bb5e54>] xfs_vm_writepages+0x0/0x33 [xfs]
> [<c0457e24>] do_writepages+0x20/0x30
> [<c0453b54>] __filemap_fdatawrite_range+0x65/0x70
> [<c0453d82>] filemap_fdatawrite+0x23/0x27
> [<f9266738>] nfsd_sync+0x51/0x94 [nfsd]
> [<f9266fa3>] nfsd_commit+0x7f/0xa0 [nfsd]
> [<f926cca4>] nfsd3_proc_commit+0xed/0xfb [nfsd]
> [<f9263200>] nfsd_dispatch+0xc5/0x180 [nfsd]
> [<f919f1c5>] svc_process+0x355/0x610 [sunrpc]
> [<c0418df2>] smp_apic_timer_interrupt+0x76/0x80
> [<c04049c4>] apic_timer_interrupt+0x28/0x30
> [<f926373b>] nfsd+0x173/0x278 [nfsd]
> [<f92635c8>] nfsd+0x0/0x278 [nfsd]
> [<c0404b47>] kernel_thread_helper+0x7/0x10
> =======================
>Code: 9a f4 01 00 00 89 df 81 e7 00 f0 ff ff eb 0e 8b 4c 24 18 89 f2 89 e8 ff 51 08 83 c3 04 39 fb 76 29 8d 87 fd 0f 00 00 39 c3 73 1f <8b> 33 89 f0 e8 a5 0f 03 00 85 c0 74 e2 eb d5 8b 4f 34 85 c9 74 
>EIP: [<c0404fc6>] dump_trace+0x5c/0x93 SS:ESP 0068:f7e5e1f4
> <0>Kernel panic - not syncing: Fatal exception in interrupt
> BUG: warning at arch/i386/kernel/smp.c:550/smp_call_function() (Not tainted)
> [<c0416dbb>] stop_this_cpu+0x0/0x2b
> [<c0416b9a>] smp_call_function+0x65/0xd1
> [<c04270b8>] printk+0x1f/0x95
> [<c0416c21>] smp_send_stop+0x1b/0x24
> [<c04265f0>] panic+0x54/0x190
> [<c0405535>] die+0x20c/0x240
> [<c06201f5>] do_page_fault+0x501/0x5da
> [<c061fcf4>] do_page_fault+0x0/0x5da
> [<c061e95c>] error_code+0x7c/0x84
> [<c0404fc6>] dump_trace+0x5c/0x93
> [<c0405015>] show_trace_log_lvl+0x18/0x2c
> [<c04055a3>] show_trace+0xf/0x11
> [<c040560c>] dump_stack+0x12/0x14
> [<c0406282>] do_IRQ+0x71/0xdb
> [<c0404907>] common_interrupt+0x23/0x28
> [<c04e00d8>] disk_stats_read+0x23a/0x2c3
> [<c046c5c3>] kmem_cache_alloc+0x4e/0x56
> [<c04558d0>] mempool_alloc+0x37/0xd5
> [<c04e3007>] cfq_find_cfq_hash+0x18/0x1b
> [<c04dcd5d>] get_request+0x143/0x2b2
> [<c04e31ee>] cfq_resort_rr_list+0x1f/0x77
> [<c04e405f>] cfq_insert_request+0x6d/0x44e
> [<c04dd62c>] get_request_wait+0x26/0x16c
> [<c04da6c7>] elv_insert+0x146/0x1ec
> [<c04dad3e>] elv_merge+0x15b/0x1af
> [<c04ded67>] __make_request+0x4fc/0x5c5
> [<c04e4a08>] cfq_set_request+0x2bc/0x33a
> [<c04dc51b>] generic_make_request+0x29d/0x2ad
> [<c04da90a>] elv_rb_add+0x65/0x6d
> [<f8ab0e95>] make_request+0x2fb/0x642 [raid456]
> [<c04da90a>] elv_rb_add+0x65/0x6d
> [<c04dc51b>] generic_make_request+0x29d/0x2ad
> [<c04de4a3>] submit_bio+0xd7/0xde
> [<f8aab0bd>] raid5_mergeable_bvec+0x0/0xa5 [raid456]
> [<c048ef2b>] bio_add_page+0x31/0x3a
> [<f8bb6e01>] xfs_buf_iorequest+0x353/0x3a1 [xfs]
> [<f8bb754c>] xfs_buf_get_flags+0x30d/0x3c9 [xfs]
> [<f8bb708c>] xfs_buf_iostart+0x68/0x7d [xfs]
> [<f8bb7653>] xfs_buf_read_flags+0x4b/0x7b [xfs]
> [<f8ba9f58>] xfs_trans_read_buf+0x1ea/0x2f6 [xfs]
> [<f8b7fe8d>] xfs_btree_read_bufl+0xaa/0xc4 [xfs]
> [<f8b7bee8>] xfs_bmbt_lshift+0xa7/0x423 [xfs]
> [<f8bb71aa>] _xfs_buf_find+0x109/0x19e [xfs]
> [<f8b7cc0b>] xfs_bmbt_insert+0x292/0xea3 [xfs]
> [<f8bb752c>] xfs_buf_get_flags+0x2ed/0x3c9 [xfs]
> [<c061e7df>] _spin_lock_irqsave+0x9/0xd
> [<f8bb7624>] xfs_buf_read_flags+0x1c/0x7b [xfs]
> [<f8baa024>] xfs_trans_read_buf+0x2b6/0x2f6 [xfs]
> [<f8b804e6>] xfs_btree_check_lblock+0x56/0x19a [xfs]
> [<f8b7da6f>] xfs_bmbt_lookup+0x253/0x488 [xfs]
> [<f8b6577f>] xfs_alloc_log_agf+0x41/0x47 [xfs]
> [<f8b74d8d>] xfs_bmap_add_extent+0x1045/0x1fbe [xfs]
> [<f8b6577f>] xfs_alloc_log_agf+0x41/0x47 [xfs]
> [<f8b6707e>] xfs_alloc_ag_vextent+0xf30/0xfa4 [xfs]
> [<f8b77bcd>] xfs_bmapi+0x14c5/0x1f7b [xfs]
> [<f8b9a6a1>] xfs_iomap_write_allocate+0x309/0x4d0 [xfs]
> [<f8b9916f>] xfs_iomap+0x447/0x76f [xfs]
> [<c04ea6d0>] __delay+0x6/0x7
> [<f8912cd5>] ata_bmdma_setup+0x63/0x68 [libata]
> [<f8bb4dd6>] xfs_map_blocks+0x3c/0x69 [xfs]
> [<f8bb51d3>] xfs_page_state_convert+0x37c/0xd8e [xfs]
> [<c061e7cd>] _spin_unlock_irq+0x5/0x7
> [<c061d181>] __sched_text_start+0x999/0xa21
> [<c04dd3cb>] blk_remove_plug+0x5b/0x67
> [<c0450184>] handle_fasteoi_irq+0x0/0xa7
> [<c04062d7>] do_IRQ+0xc6/0xdb
> [<c0404907>] common_interrupt+0x23/0x28
> [<f8bb488c>] xfs_count_page_state+0x2f/0x7d [xfs]
> [<f8bb5e23>] xfs_vm_writepage+0x99/0xca [xfs]
> [<c0457cd3>] generic_writepages+0x18c/0x2bd
> [<f8bb5d8a>] xfs_vm_writepage+0x0/0xca [xfs]
> [<f8bb5e54>] xfs_vm_writepages+0x0/0x33 [xfs]
> [<c0457e24>] do_writepages+0x20/0x30
> [<c0453b54>] __filemap_fdatawrite_range+0x65/0x70
> [<c0453d82>] filemap_fdatawrite+0x23/0x27
> [<f9266738>] nfsd_sync+0x51/0x94 [nfsd]
> [<f9266fa3>] nfsd_commit+0x7f/0xa0 [nfsd]
> [<f926cca4>] nfsd3_proc_commit+0xed/0xfb [nfsd]
> [<f9263200>] nfsd_dispatch+0xc5/0x180 [nfsd]
> [<f919f1c5>] svc_process+0x355/0x610 [sunrpc]
> [<c0418df2>] smp_apic_timer_interrupt+0x76/0x80
> [<c04049c4>] apic_timer_interrupt+0x28/0x30
> [<f926373b>] nfsd+0x173/0x278 [nfsd]
> [<f92635c8>] nfsd+0x0/0x278 [nfsd]
> [<c0404b47>] kernel_thread_helper+0x7/0x10
> =======================
>BUG: spinlock lockup on CPU#1, wave/20739, c2415880 (Not tainted)
> [<c04ebae8>] _raw_spin_lock+0xb8/0xd9
> [<c041ff1c>] double_rq_lock+0x32/0x36
> [<c0421fd7>] run_rebalance_domains+0x16a/0x33e
>

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Attachments on bug 227331: 156797