2005-09-15 06:30:23

by Ruben Rubio Rey

[permalink] [raw]
Subject: Question about page allocation failure

Hi,

Im getting an error: "perl5.8.5: page allocation failure. order:4,
mode:0x50".

What does it means?
Is it dangerous?
What may I do to fix it?

Im using kernel 2.6.9-1.667smp and XFS filesystem.

Thanks in advance.

Complete error:

Sep 13 08:39:34 txori kernel: perl5.8.5: page allocation failure.
order:4, mode:0x50
Sep 13 08:39:34 txori kernel: [<0213d396>] __alloc_pages+0x28b/0x298
Sep 13 08:39:34 txori kernel: [<0213d3bb>] __get_free_pages+0x18/0x24
Sep 13 08:39:34 txori kernel: [<0213fc88>] kmem_getpages+0x1c/0xbb
Sep 13 08:39:34 txori kernel: [<021407d9>] cache_grow+0xae/0x136
Sep 13 08:39:34 txori kernel: [<021409c6>] cache_alloc_refill+0x165/0x19d
Sep 13 08:39:34 txori kernel: [<02140d9d>] __kmalloc+0x76/0x88
Sep 13 08:39:34 txori kernel: [<8293ee20>] kmem_alloc+0x50/0x9e [xfs]
Sep 13 08:39:34 txori kernel: [<8293eef0>] kmem_realloc+0x17/0x52 [xfs]
Sep 13 08:39:34 txori kernel: [<82924188>] xfs_iext_realloc+0xc9/0xdc [xfs]
Sep 13 08:39:34 txori kernel: [<82901912>]
xfs_bmap_insert_exlist+0x22/0x77 [xfs]
Sep 13 08:39:34 txori kernel: [<828fed42>]
xfs_bmap_add_extent_hole_delay+0x438/0x48e [xfs]
Sep 13 08:39:34 txori kernel: [<828fc7b4>]
xfs_bmap_add_extent+0x146/0x399 [xfs]
Sep 13 08:39:34 txori kernel: [<829039bc>] xfs_bmapi+0xb00/0x12bf [xfs]
Sep 13 08:39:34 txori kernel: [<829031e2>] xfs_bmapi+0x326/0x12bf [xfs]
Sep 13 08:39:34 txori kernel: [<021398ef>] wake_up_page+0x9/0x29
Sep 13 08:39:34 txori kernel: [<82926bdf>]
xfs_iomap_write_delay+0x628/0x702 [xfs]
Sep 13 08:39:34 txori kernel: [<8292ad03>]
xlog_state_get_iclog_space+0x163/0x172 [xfs]
Sep 13 08:39:34 txori kernel: [<82925b32>] xfs_imap_to_bmap+0x2a/0x28a
[xfs]
Sep 13 08:39:34 txori kernel: [<82925fcc>] xfs_iomap+0x23a/0x3ec [xfs]
Sep 13 08:39:34 txori kernel: [<82926076>] xfs_iomap+0x2e4/0x3ec [xfs]
Sep 13 08:39:34 txori kernel: [<82945e39>] xfs_bmap+0x1a/0x1e [xfs]
Sep 13 08:39:34 txori kernel: [<8294005f>]
linvfs_get_block_core+0x6b/0x257 [xfs]
Sep 13 08:39:34 txori kernel: [<02139c3f>] find_or_create_page+0x18/0x72
Sep 13 08:39:34 txori kernel: [<022b7b17>] __cond_resched+0x14/0x39
Sep 13 08:39:34 txori kernel: [<02156002>] set_bh_page+0x2c/0x34
Sep 13 08:39:34 txori kernel: [<8294025e>] linvfs_get_block+0x13/0x17 [xfs]
Sep 13 08:39:34 txori kernel: [<0215664f>]
__block_prepare_write+0x15d/0x3e4
Sep 13 08:39:35 txori kernel: [<02156f61>] block_prepare_write+0x16/0x23
Sep 13 08:39:35 txori kernel: [<8294024b>] linvfs_get_block+0x0/0x17 [xfs]
Sep 13 08:39:35 txori kernel: [<82940578>]
linvfs_prepare_write+0x12/0x16 [xfs]
Sep 13 08:39:35 txori kernel: [<8294024b>] linvfs_get_block+0x0/0x17 [xfs]
Sep 13 08:39:35 txori kernel: [<0213b3c8>]
generic_file_buffered_write+0x1b5/0x4ae
Sep 13 08:39:35 txori kernel: [<8290e4ed>] xfs_da_brelse+0x73/0x92 [xfs]
Sep 13 08:39:35 txori kernel: [<828f7400>] xfs_attr_leaf_get+0x4b/0x82
[xfs]
Sep 13 08:39:35 txori kernel: [<82945a87>] xfs_write+0x622/0x982 [xfs]
Sep 13 08:39:35 txori kernel: [<8294230d>] linvfs_write+0x6f/0x77 [xfs]
Sep 13 08:39:35 txori kernel: [<02153d7b>] do_sync_write+0x97/0xc9
Sep 13 08:39:35 txori kernel: [<8293a4d9>]
xfs_inactive_free_eofblocks+0xd2/0x210 [xfs]
Sep 13 08:39:35 txori kernel: [<0211deca>]
autoremove_wake_function+0x0/0x2d
Sep 13 08:39:35 txori kernel: [<02153e63>] vfs_write+0xb6/0xe2
Sep 13 08:39:35 txori kernel: [<02153f2d>] sys_write+0x3c/0x62
Sep 13 08:39:35 txori kernel: perl5.8.5: page allocation failure.
order:4, mode:0x50
Sep 13 08:39:35 txori kernel: [<0213d396>] __alloc_pages+0x28b/0x298
Sep 13 08:39:35 txori kernel: [<0213d3bb>] __get_free_pages+0x18/0x24
Sep 13 08:39:35 txori kernel: [<0213fc88>] kmem_getpages+0x1c/0xbb
Sep 13 08:39:35 txori kernel: [<021407d9>] cache_grow+0xae/0x136
Sep 13 08:39:35 txori kernel: [<021409c6>] cache_alloc_refill+0x165/0x19d
Sep 13 08:39:35 txori kernel: [<02140d9d>] __kmalloc+0x76/0x88
Sep 13 08:39:35 txori kernel: [<8293ee20>] kmem_alloc+0x50/0x9e [xfs]
Sep 13 08:39:35 txori kernel: [<8293eef0>] kmem_realloc+0x17/0x52 [xfs]
Sep 13 08:39:35 txori kernel: [<82924188>] xfs_iext_realloc+0xc9/0xdc [xfs]
Sep 13 08:39:35 txori kernel: [<82901912>]
xfs_bmap_insert_exlist+0x22/0x77 [xfs]
Sep 13 08:39:35 txori kernel: [<828fed42>]
xfs_bmap_add_extent_hole_delay+0x438/0x48e [xfs]
Sep 13 08:39:35 txori kernel: [<828fc7b4>]
xfs_bmap_add_extent+0x146/0x399 [xfs]
Sep 13 08:39:35 txori kernel: [<829039bc>] xfs_bmapi+0xb00/0x12bf [xfs]
Sep 13 08:39:35 txori kernel: [<829031e2>] xfs_bmapi+0x326/0x12bf [xfs]
Sep 13 08:39:35 txori kernel: [<021398ef>] wake_up_page+0x9/0x29
Sep 13 08:39:35 txori kernel: [<82926bdf>]
xfs_iomap_write_delay+0x628/0x702 [xfs]
Sep 13 08:39:35 txori kernel: [<8292ad03>]
xlog_state_get_iclog_space+0x163/0x172 [xfs]
Sep 13 08:39:35 txori kernel: [<82925b32>] xfs_imap_to_bmap+0x2a/0x28a
[xfs]
Sep 13 08:39:35 txori kernel: [<82925fcc>] xfs_iomap+0x23a/0x3ec [xfs]
Sep 13 08:39:35 txori kernel: [<82926076>] xfs_iomap+0x2e4/0x3ec [xfs]
Sep 13 08:39:35 txori kernel: [<82945e39>] xfs_bmap+0x1a/0x1e [xfs]
Sep 13 08:39:35 txori kernel: [<8294005f>]
linvfs_get_block_core+0x6b/0x257 [xfs]
Sep 13 08:39:35 txori kernel: [<02139c3f>] find_or_create_page+0x18/0x72
Sep 13 08:39:35 txori kernel: [<022b7b17>] __cond_resched+0x14/0x39
Sep 13 08:39:35 txori kernel: [<02156002>] set_bh_page+0x2c/0x34
Sep 13 08:39:35 txori kernel: [<8294025e>] linvfs_get_block+0x13/0x17 [xfs]
Sep 13 08:39:35 txori kernel: [<0215664f>]
__block_prepare_write+0x15d/0x3e4
Sep 13 08:39:35 txori kernel: [<02156f61>] block_prepare_write+0x16/0x23
Sep 13 08:39:35 txori kernel: [<8294024b>] linvfs_get_block+0x0/0x17 [xfs]
Sep 13 08:39:35 txori kernel: [<82940578>]
linvfs_prepare_write+0x12/0x16 [xfs]
Sep 13 08:39:35 txori kernel: [<8294024b>] linvfs_get_block+0x0/0x17 [xfs]
Sep 13 08:39:35 txori kernel: [<0213b3c8>]
generic_file_buffered_write+0x1b5/0x4ae
Sep 13 08:39:36 txori kernel: [<8290e4ed>] xfs_da_brelse+0x73/0x92 [xfs]
Sep 13 08:39:36 txori kernel: [<828f7400>] xfs_attr_leaf_get+0x4b/0x82
[xfs]
Sep 13 08:39:36 txori kernel: [<82945a87>] xfs_write+0x622/0x982 [xfs]
Sep 13 08:39:36 txori kernel: [<8294230d>] linvfs_write+0x6f/0x77 [xfs]
Sep 13 08:39:36 txori kernel: [<02153d7b>] do_sync_write+0x97/0xc9
Sep 13 08:39:36 txori kernel: [<8293a4d9>]
xfs_inactive_free_eofblocks+0xd2/0x210 [xfs]
Sep 13 08:39:36 txori kernel: [<0211deca>]
autoremove_wake_function+0x0/0x2d
Sep 13 08:39:36 txori kernel: [<02153e63>] vfs_write+0xb6/0xe2
Sep 13 08:39:36 txori kernel: [<02153f2d>] sys_write+0x3c/0x62
Sep 13 08:39:36 txori kernel: perl5.8.5: page allocation failure.
order:4, mode:0x50
Sep 13 08:39:36 txori kernel: [<0213d396>] __alloc_pages+0x28b/0x298
Sep 13 08:39:36 txori kernel: [<0213d3bb>] __get_free_pages+0x18/0x24
Sep 13 08:39:36 txori kernel: [<0213fc88>] kmem_getpages+0x1c/0xbb
Sep 13 08:39:36 txori kernel: [<021407d9>] cache_grow+0xae/0x136
Sep 13 08:39:36 txori kernel: [<021409c6>] cache_alloc_refill+0x165/0x19d
Sep 13 08:39:36 txori kernel: [<02140d9d>] __kmalloc+0x76/0x88
Sep 13 08:39:36 txori kernel: [<8293ee20>] kmem_alloc+0x50/0x9e [xfs]
Sep 13 08:39:36 txori kernel: [<8293eef0>] kmem_realloc+0x17/0x52 [xfs]
Sep 13 08:39:36 txori kernel: [<82924188>] xfs_iext_realloc+0xc9/0xdc [xfs]
Sep 13 08:39:36 txori kernel: [<82901912>]
xfs_bmap_insert_exlist+0x22/0x77 [xfs]
Sep 13 08:39:36 txori kernel: [<828fed42>]
xfs_bmap_add_extent_hole_delay+0x438/0x48e [xfs]
Sep 13 08:39:36 txori kernel: [<828fc7b4>]
xfs_bmap_add_extent+0x146/0x399 [xfs]
Sep 13 08:39:36 txori kernel: [<829039bc>] xfs_bmapi+0xb00/0x12bf [xfs]
Sep 13 08:39:36 txori kernel: [<829031e2>] xfs_bmapi+0x326/0x12bf [xfs]
Sep 13 08:39:36 txori kernel: [<021398ef>] wake_up_page+0x9/0x29
Sep 13 08:39:36 txori kernel: [<82926bdf>]
xfs_iomap_write_delay+0x628/0x702 [xfs]
Sep 13 08:39:36 txori kernel: [<8292ad03>]
xlog_state_get_iclog_space+0x163/0x172 [xfs]
Sep 13 08:39:36 txori kernel: [<82925b32>] xfs_imap_to_bmap+0x2a/0x28a
[xfs]
Sep 13 08:39:36 txori kernel: [<82925fcc>] xfs_iomap+0x23a/0x3ec [xfs]
Sep 13 08:39:36 txori kernel: [<82926076>] xfs_iomap+0x2e4/0x3ec [xfs]
Sep 13 08:39:36 txori kernel: [<82945e39>] xfs_bmap+0x1a/0x1e [xfs]
Sep 13 08:39:36 txori kernel: [<8294005f>]
linvfs_get_block_core+0x6b/0x257 [xfs]
Sep 13 08:39:36 txori kernel: [<02139c3f>] find_or_create_page+0x18/0x72
Sep 13 08:39:36 txori kernel: [<022b7b17>] __cond_resched+0x14/0x39
Sep 13 08:39:36 txori kernel: [<02156002>] set_bh_page+0x2c/0x34
Sep 13 08:39:36 txori kernel: [<8294025e>] linvfs_get_block+0x13/0x17 [xfs]
Sep 13 08:39:36 txori kernel: [<0215664f>]
__block_prepare_write+0x15d/0x3e4
Sep 13 08:39:36 txori kernel: [<02156f61>] block_prepare_write+0x16/0x23
Sep 13 08:39:36 txori kernel: [<8294024b>] linvfs_get_block+0x0/0x17 [xfs]
Sep 13 08:39:36 txori kernel: [<82940578>]
linvfs_prepare_write+0x12/0x16 [xfs]
Sep 13 08:39:36 txori kernel: [<8294024b>] linvfs_get_block+0x0/0x17 [xfs]
Sep 13 08:39:36 txori kernel: [<0213b3c8>]
generic_file_buffered_write+0x1b5/0x4ae
Sep 13 08:39:36 txori kernel: [<8290e4ed>] xfs_da_brelse+0x73/0x92 [xfs]
Sep 13 08:39:36 txori kernel: [<828f7400>] xfs_attr_leaf_get+0x4b/0x82
[xfs]
Sep 13 08:39:36 txori kernel: [<82945a87>] xfs_write+0x622/0x982 [xfs]
Sep 13 08:39:36 txori kernel: [<8294230d>] linvfs_write+0x6f/0x77 [xfs]
Sep 13 08:39:36 txori kernel: [<02153d7b>] do_sync_write+0x97/0xc9
Sep 13 08:39:36 txori kernel: [<8293a4d9>]
xfs_inactive_free_eofblocks+0xd2/0x210 [xfs]
Sep 13 08:39:36 txori kernel: [<0211deca>]
autoremove_wake_function+0x0/0x2d
Sep 13 08:39:36 txori kernel: [<02153e63>] vfs_write+0xb6/0xe2
Sep 13 08:39:36 txori kernel: [<02153f2d>] sys_write+0x3c/0x62
Sep 13 08:39:36 txori kernel: perl5.8.5: page allocation failure.
order:4, mode:0x50
Sep 13 08:39:36 txori kernel: [<0213d396>] __alloc_pages+0x28b/0x298
Sep 13 08:39:36 txori kernel: [<0213d3bb>] __get_free_pages+0x18/0x24
Sep 13 08:39:36 txori kernel: [<0213fc88>] kmem_getpages+0x1c/0xbb
Sep 13 08:39:36 txori kernel: [<021407d9>] cache_grow+0xae/0x136
Sep 13 08:39:36 txori kernel: [<021409c6>] cache_alloc_refill+0x165/0x19d
Sep 13 08:39:36 txori kernel: [<02140d9d>] __kmalloc+0x76/0x88
Sep 13 08:39:36 txori kernel: [<8293ee20>] kmem_alloc+0x50/0x9e [xfs]
Sep 13 08:39:37 txori kernel: [<8293eef0>] kmem_realloc+0x17/0x52 [xfs]
Sep 13 08:39:37 txori kernel: [<82924188>] xfs_iext_realloc+0xc9/0xdc [xfs]
Sep 13 08:39:37 txori kernel: [<82901912>]
xfs_bmap_insert_exlist+0x22/0x77 [xfs]
Sep 13 08:39:37 txori kernel: [<828fed42>]
xfs_bmap_add_extent_hole_delay+0x438/0x48e [xfs]
Sep 13 08:39:37 txori kernel: [<828fc7b4>]
xfs_bmap_add_extent+0x146/0x399 [xfs]
Sep 13 08:39:37 txori kernel: [<829039bc>] xfs_bmapi+0xb00/0x12bf [xfs]
Sep 13 08:39:37 txori kernel: [<829031e2>] xfs_bmapi+0x326/0x12bf [xfs]
Sep 13 08:39:37 txori kernel: [<021398ef>] wake_up_page+0x9/0x29
Sep 13 08:39:37 txori kernel: [<82926bdf>]
xfs_iomap_write_delay+0x628/0x702 [xfs]
Sep 13 08:39:37 txori kernel: [<8292ad03>]
xlog_state_get_iclog_space+0x163/0x172 [xfs]
Sep 13 08:39:37 txori kernel: [<82925b32>] xfs_imap_to_bmap+0x2a/0x28a
[xfs]
Sep 13 08:39:37 txori kernel: [<82925fcc>] xfs_iomap+0x23a/0x3ec [xfs]
Sep 13 08:39:37 txori kernel: [<82926076>] xfs_iomap+0x2e4/0x3ec [xfs]
Sep 13 08:39:37 txori kernel: [<82945e39>] xfs_bmap+0x1a/0x1e [xfs]
Sep 13 08:39:37 txori kernel: [<8294005f>]
linvfs_get_block_core+0x6b/0x257 [xfs]
Sep 13 08:39:37 txori kernel: [<02139c3f>] find_or_create_page+0x18/0x72
Sep 13 08:39:37 txori kernel: [<022b7b17>] __cond_resched+0x14/0x39
Sep 13 08:39:37 txori kernel: [<02156002>] set_bh_page+0x2c/0x34
Sep 13 08:39:37 txori kernel: [<8294025e>] linvfs_get_block+0x13/0x17 [xfs]
Sep 13 08:39:37 txori kernel: [<0215664f>]
__block_prepare_write+0x15d/0x3e4
Sep 13 08:39:37 txori kernel: [<02156f61>] block_prepare_write+0x16/0x23
Sep 13 08:39:37 txori kernel: [<8294024b>] linvfs_get_block+0x0/0x17 [xfs]
Sep 13 08:39:37 txori kernel: [<82940578>]
linvfs_prepare_write+0x12/0x16 [xfs]
Sep 13 08:39:37 txori kernel: [<8294024b>] linvfs_get_block+0x0/0x17 [xfs]
Sep 13 08:39:37 txori kernel: [<0213b3c8>]
generic_file_buffered_write+0x1b5/0x4ae
Sep 13 08:39:37 txori kernel: [<8290e4ed>] xfs_da_brelse+0x73/0x92 [xfs]
Sep 13 08:39:37 txori kernel: [<828f7400>] xfs_attr_leaf_get+0x4b/0x82
[xfs]
Sep 13 08:39:37 txori kernel: [<82945a87>] xfs_write+0x622/0x982 [xfs]
Sep 13 08:39:37 txori kernel: [<8294230d>] linvfs_write+0x6f/0x77 [xfs]
Sep 13 08:39:37 txori kernel: [<02153d7b>] do_sync_write+0x97/0xc9
Sep 13 08:39:37 txori kernel: [<8293a4d9>]
xfs_inactive_free_eofblocks+0xd2/0x210 [xfs]
Sep 13 08:39:37 txori kernel: [<0211deca>]
autoremove_wake_function+0x0/0x2d
Sep 13 08:39:37 txori kernel: [<02153e63>] vfs_write+0xb6/0xe2
Sep 13 08:39:37 txori kernel: [<02153f2d>] sys_write+0x3c/0x62
Sep 13 08:39:37 txori kernel: perl5.8.5: page allocation failure.
order:4, mode:0x50
Sep 13 08:39:37 txori kernel: [<0213d396>] __alloc_pages+0x28b/0x298
Sep 13 08:39:37 txori kernel: [<0213d3bb>] __get_free_pages+0x18/0x24
Sep 13 08:39:37 txori kernel: [<0213fc88>] kmem_getpages+0x1c/0xbb
Sep 13 08:39:37 txori kernel: [<021407d9>] cache_grow+0xae/0x136
Sep 13 08:39:37 txori kernel: [<021409c6>] cache_alloc_refill+0x165/0x19d
Sep 13 08:39:37 txori kernel: [<02140d9d>] __kmalloc+0x76/0x88
Sep 13 08:39:37 txori kernel: [<8293ee20>] kmem_alloc+0x50/0x9e [xfs]
Sep 13 08:39:37 txori kernel: [<8293eef0>] kmem_realloc+0x17/0x52 [xfs]
Sep 13 08:39:37 txori kernel: [<82924188>] xfs_iext_realloc+0xc9/0xdc [xfs]
Sep 13 08:39:37 txori kernel: [<82901912>]
xfs_bmap_insert_exlist+0x22/0x77 [xfs]
Sep 13 08:39:37 txori kernel: [<828fed42>]
xfs_bmap_add_extent_hole_delay+0x438/0x48e [xfs]
Sep 13 08:39:37 txori kernel: [<828fc7b4>]
xfs_bmap_add_extent+0x146/0x399 [xfs]
Sep 13 08:39:37 txori kernel: [<829039bc>] xfs_bmapi+0xb00/0x12bf [xfs]
Sep 13 08:39:37 txori kernel: [<829031e2>] xfs_bmapi+0x326/0x12bf [xfs]
Sep 13 08:39:37 txori kernel: [<021398ef>] wake_up_page+0x9/0x29
Sep 13 08:39:37 txori kernel: [<82926bdf>]
xfs_iomap_write_delay+0x628/0x702 [xfs]
Sep 13 08:39:37 txori kernel: [<8292ad03>]
xlog_state_get_iclog_space+0x163/0x172 [xfs]
Sep 13 08:39:37 txori kernel: [<82925b32>] xfs_imap_to_bmap+0x2a/0x28a
[xfs]
Sep 13 08:39:37 txori kernel: [<82925fcc>] xfs_iomap+0x23a/0x3ec [xfs]
Sep 13 08:39:37 txori kernel: [<82926076>] xfs_iomap+0x2e4/0x3ec [xfs]
Sep 13 08:39:37 txori kernel: [<82945e39>] xfs_bmap+0x1a/0x1e [xfs]
Sep 13 08:39:37 txori kernel: [<8294005f>]
linvfs_get_block_core+0x6b/0x257 [xfs]
Sep 13 08:39:37 txori kernel: [<02139c3f>] find_or_create_page+0x18/0x72
Sep 13 08:39:37 txori kernel: [<022b7b17>] __cond_resched+0x14/0x39
Sep 13 08:39:37 txori kernel: [<02156002>] set_bh_page+0x2c/0x34
Sep 13 08:39:37 txori kernel: [<8294025e>] linvfs_get_block+0x13/0x17 [xfs]
Sep 13 08:39:37 txori kernel: [<0215664f>]
__block_prepare_write+0x15d/0x3e4
Sep 13 08:39:37 txori kernel: [<02156f61>] block_prepare_write+0x16/0x23
Sep 13 08:39:38 txori kernel: [<8294024b>] linvfs_get_block+0x0/0x17 [xfs]
Sep 13 08:39:38 txori kernel: [<82940578>]
linvfs_prepare_write+0x12/0x16 [xfs]
Sep 13 08:39:38 txori kernel: [<8294024b>] linvfs_get_block+0x0/0x17 [xfs]
Sep 13 08:39:38 txori kernel: [<0213b3c8>]
generic_file_buffered_write+0x1b5/0x4ae
Sep 13 08:39:38 txori kernel: [<8290e4ed>] xfs_da_brelse+0x73/0x92 [xfs]
Sep 13 08:39:38 txori kernel: [<828f7400>] xfs_attr_leaf_get+0x4b/0x82
[xfs]
Sep 13 08:39:38 txori kernel: [<82945a87>] xfs_write+0x622/0x982 [xfs]
Sep 13 08:39:38 txori kernel: [<8294230d>] linvfs_write+0x6f/0x77 [xfs]
Sep 13 08:39:38 txori kernel: [<02153d7b>] do_sync_write+0x97/0xc9
Sep 13 08:39:38 txori kernel: [<8293a4d9>]
xfs_inactive_free_eofblocks+0xd2/0x210 [xfs]
Sep 13 08:39:38 txori kernel: [<0211deca>]
autoremove_wake_function+0x0/0x2d
Sep 13 08:39:38 txori kernel: [<02153e63>] vfs_write+0xb6/0xe2
Sep 13 08:39:38 txori kernel: [<02153f2d>] sys_write+0x3c/0x62
Sep 13 08:39:38 txori kernel: perl5.8.5: page allocation failure.
order:4, mode:0x50
Sep 13 08:39:38 txori kernel: [<0213d396>] __alloc_pages+0x28b/0x298
Sep 13 08:39:38 txori kernel: [<0213d3bb>] __get_free_pages+0x18/0x24
Sep 13 08:39:38 txori kernel: [<0213fc88>] kmem_getpages+0x1c/0xbb
Sep 13 08:39:38 txori kernel: [<021407d9>] cache_grow+0xae/0x136
Sep 13 08:39:38 txori kernel: [<021409c6>] cache_alloc_refill+0x165/0x19d
Sep 13 08:39:38 txori kernel: [<02140d9d>] __kmalloc+0x76/0x88
Sep 13 08:39:38 txori kernel: [<8293ee20>] kmem_alloc+0x50/0x9e [xfs]
Sep 13 08:39:38 txori kernel: [<8293eef0>] kmem_realloc+0x17/0x52 [xfs]
Sep 13 08:39:38 txori kernel: [<82924188>] xfs_iext_realloc+0xc9/0xdc [xfs]
Sep 13 08:39:38 txori kernel: [<82901912>]
xfs_bmap_insert_exlist+0x22/0x77 [xfs]
Sep 13 08:39:38 txori kernel: [<828fed42>]
xfs_bmap_add_extent_hole_delay+0x438/0x48e [xfs]
Sep 13 08:39:38 txori kernel: [<828fc7b4>]
xfs_bmap_add_extent+0x146/0x399 [xfs]
Sep 13 08:39:38 txori kernel: [<829039bc>] xfs_bmapi+0xb00/0x12bf [xfs]
Sep 13 08:39:38 txori kernel: [<829031e2>] xfs_bmapi+0x326/0x12bf [xfs]
Sep 13 08:39:38 txori kernel: [<021398ef>] wake_up_page+0x9/0x29
Sep 13 08:39:38 txori kernel: [<82926bdf>]
xfs_iomap_write_delay+0x628/0x702 [xfs]
Sep 13 08:39:38 txori kernel: [<8292ad03>]
xlog_state_get_iclog_space+0x163/0x172 [xfs]
Sep 13 08:39:38 txori kernel: [<82925b32>] xfs_imap_to_bmap+0x2a/0x28a
[xfs]
Sep 13 08:39:38 txori kernel: [<82925fcc>] xfs_iomap+0x23a/0x3ec [xfs]
Sep 13 08:39:38 txori kernel: [<82926076>] xfs_iomap+0x2e4/0x3ec [xfs]
Sep 13 08:39:38 txori kernel: [<82945e39>] xfs_bmap+0x1a/0x1e [xfs]
Sep 13 08:39:38 txori kernel: [<8294005f>]
linvfs_get_block_core+0x6b/0x257 [xfs]
Sep 13 08:39:38 txori kernel: [<02139c3f>] find_or_create_page+0x18/0x72
Sep 13 08:39:38 txori kernel: [<022b7b17>] __cond_resched+0x14/0x39
Sep 13 08:39:38 txori kernel: [<02156002>] set_bh_page+0x2c/0x34
Sep 13 08:39:38 txori kernel: [<8294025e>] linvfs_get_block+0x13/0x17 [xfs]
Sep 13 08:39:38 txori kernel: [<0215664f>]
__block_prepare_write+0x15d/0x3e4
Sep 13 08:39:38 txori kernel: [<02156f61>] block_prepare_write+0x16/0x23
Sep 13 08:39:38 txori kernel: [<8294024b>] linvfs_get_block+0x0/0x17 [xfs]
Sep 13 08:39:38 txori kernel: [<82940578>]
linvfs_prepare_write+0x12/0x16 [xfs]
Sep 13 08:39:38 txori kernel: [<8294024b>] linvfs_get_block+0x0/0x17 [xfs]
Sep 13 08:39:38 txori kernel: [<0213b3c8>]
generic_file_buffered_write+0x1b5/0x4ae
Sep 13 08:39:38 txori kernel: [<8290e4ed>] xfs_da_brelse+0x73/0x92 [xfs]
Sep 13 08:39:38 txori kernel: [<828f7400>] xfs_attr_leaf_get+0x4b/0x82
[xfs]
Sep 13 08:39:38 txori kernel: [<82945a87>] xfs_write+0x622/0x982 [xfs]
Sep 13 08:39:38 txori kernel: [<8294230d>] linvfs_write+0x6f/0x77 [xfs]
Sep 13 08:39:38 txori kernel: [<02153d7b>] do_sync_write+0x97/0xc9
Sep 13 08:39:38 txori kernel: [<8293a4d9>]
xfs_inactive_free_eofblocks+0xd2/0x210 [xfs]
Sep 13 08:39:38 txori kernel: [<0211deca>]
autoremove_wake_function+0x0/0x2d
Sep 13 08:39:38 txori kernel: [<02153e63>] vfs_write+0xb6/0xe2
Sep 13 08:39:38 txori kernel: [<02153f2d>] sys_write+0x3c/0x62
Sep 13 08:39:38 txori kernel: perl5.8.5: page allocation failure.
order:4, mode:0x50
Sep 13 08:39:38 txori kernel: [<0213d396>] __alloc_pages+0x28b/0x298
Sep 13 08:39:38 txori kernel: [<0213d3bb>] __get_free_pages+0x18/0x24
Sep 13 08:39:38 txori kernel: [<0213fc88>] kmem_getpages+0x1c/0xbb
Sep 13 08:39:38 txori kernel: [<021407d9>] cache_grow+0xae/0x136
Sep 13 08:39:38 txori kernel: [<021409c6>] cache_alloc_refill+0x165/0x19d
Sep 13 08:39:38 txori kernel: [<02140d9d>] __kmalloc+0x76/0x88
Sep 13 08:39:39 txori kernel: [<8293ee20>] kmem_alloc+0x50/0x9e [xfs]
Sep 13 08:39:39 txori kernel: [<8293eef0>] kmem_realloc+0x17/0x52 [xfs]
Sep 13 08:39:39 txori kernel: [<82924188>] xfs_iext_realloc+0xc9/0xdc [xfs]
Sep 13 08:39:39 txori kernel: [<82901912>]
xfs_bmap_insert_exlist+0x22/0x77 [xfs]
Sep 13 08:39:39 txori kernel: [<828fed42>]
xfs_bmap_add_extent_hole_delay+0x438/0x48e [xfs]
Sep 13 08:39:39 txori kernel: [<828fc7b4>]
xfs_bmap_add_extent+0x146/0x399 [xfs]
Sep 13 08:39:39 txori kernel: [<829039bc>] xfs_bmapi+0xb00/0x12bf [xfs]
Sep 13 08:39:39 txori kernel: [<829031e2>] xfs_bmapi+0x326/0x12bf [xfs]
Sep 13 08:39:39 txori kernel: [<021398ef>] wake_up_page+0x9/0x29
Sep 13 08:39:39 txori kernel: [<82926bdf>]
xfs_iomap_write_delay+0x628/0x702 [xfs]
Sep 13 08:39:39 txori kernel: [<8292ad03>]
xlog_state_get_iclog_space+0x163/0x172 [xfs]
Sep 13 08:39:39 txori kernel: [<82925b32>] xfs_imap_to_bmap+0x2a/0x28a
[xfs]
Sep 13 08:39:39 txori kernel: [<82925fcc>] xfs_iomap+0x23a/0x3ec [xfs]
Sep 13 08:39:39 txori kernel: [<82926076>] xfs_iomap+0x2e4/0x3ec [xfs]
Sep 13 08:39:39 txori kernel: [<82945e39>] xfs_bmap+0x1a/0x1e [xfs]
Sep 13 08:39:39 txori kernel: [<8294005f>]
linvfs_get_block_core+0x6b/0x257 [xfs]
Sep 13 08:39:39 txori kernel: [<02139c3f>] find_or_create_page+0x18/0x72
Sep 13 08:39:39 txori kernel: [<022b7b17>] __cond_resched+0x14/0x39
Sep 13 08:39:39 txori kernel: [<02156002>] set_bh_page+0x2c/0x34
Sep 13 08:39:39 txori kernel: [<8294025e>] linvfs_get_block+0x13/0x17 [xfs]
Sep 13 08:39:39 txori kernel: [<0215664f>]
__block_prepare_write+0x15d/0x3e4
Sep 13 08:39:39 txori kernel: [<02156f61>] block_prepare_write+0x16/0x23
Sep 13 08:39:39 txori kernel: [<8294024b>] linvfs_get_block+0x0/0x17 [xfs]
Sep 13 08:39:39 txori kernel: [<82940578>]
linvfs_prepare_write+0x12/0x16 [xfs]
Sep 13 08:39:39 txori kernel: [<8294024b>] linvfs_get_block+0x0/0x17 [xfs]
Sep 13 08:39:39 txori kernel: [<0213b3c8>]
generic_file_buffered_write+0x1b5/0x4ae
Sep 13 08:39:39 txori kernel: [<8290e4ed>] xfs_da_brelse+0x73/0x92 [xfs]
Sep 13 08:39:39 txori kernel: [<828f7400>] xfs_attr_leaf_get+0x4b/0x82
[xfs]
Sep 13 08:39:39 txori kernel: [<82945a87>] xfs_write+0x622/0x982 [xfs]
Sep 13 08:39:39 txori kernel: [<8294230d>] linvfs_write+0x6f/0x77 [xfs]
Sep 13 08:39:39 txori kernel: [<02153d7b>] do_sync_write+0x97/0xc9
Sep 13 08:39:39 txori kernel: [<8293a4d9>]
xfs_inactive_free_eofblocks+0xd2/0x210 [xfs]
Sep 13 08:39:39 txori kernel: [<0211deca>]
autoremove_wake_function+0x0/0x2d
Sep 13 08:39:39 txori kernel: [<02153e63>] vfs_write+0xb6/0xe2
Sep 13 08:39:39 txori kernel: [<02153f2d>] sys_write+0x3c/0x62
Sep 13 08:39:39 txori kernel: perl5.8.5: page allocation failure.
order:4, mode:0x50
Sep 13 08:39:39 txori kernel: [<0213d396>] __alloc_pages+0x28b/0x298
Sep 13 08:39:39 txori kernel: [<0213d3bb>] __get_free_pages+0x18/0x24
Sep 13 08:39:39 txori kernel: [<0213fc88>] kmem_getpages+0x1c/0xbb
Sep 13 08:39:39 txori kernel: [<021407d9>] cache_grow+0xae/0x136
Sep 13 08:39:39 txori kernel: [<021409c6>] cache_alloc_refill+0x165/0x19d
Sep 13 08:39:39 txori kernel: [<02140d9d>] __kmalloc+0x76/0x88
Sep 13 08:39:39 txori kernel: [<8293ee20>] kmem_alloc+0x50/0x9e [xfs]
Sep 13 08:39:39 txori kernel: [<8293eef0>] kmem_realloc+0x17/0x52 [xfs]
Sep 13 08:39:39 txori kernel: [<82924188>] xfs_iext_realloc+0xc9/0xdc [xfs]
Sep 13 08:39:39 txori kernel: [<82901912>]
xfs_bmap_insert_exlist+0x22/0x77 [xfs]
Sep 13 08:39:39 txori kernel: [<828fed42>]
xfs_bmap_add_extent_hole_delay+0x438/0x48e [xfs]
Sep 13 08:39:39 txori kernel: [<828fc7b4>]
xfs_bmap_add_extent+0x146/0x399 [xfs]
Sep 13 08:39:39 txori kernel: [<829039bc>] xfs_bmapi+0xb00/0x12bf [xfs]
Sep 13 08:39:39 txori kernel: [<829031e2>] xfs_bmapi+0x326/0x12bf [xfs]
Sep 13 08:39:39 txori kernel: [<021398ef>] wake_up_page+0x9/0x29
Sep 13 08:39:39 txori kernel: [<82926bdf>]
xfs_iomap_write_delay+0x628/0x702 [xfs]
Sep 13 08:39:39 txori kernel: [<8292ad03>]
xlog_state_get_iclog_space+0x163/0x172 [xfs]
Sep 13 08:39:39 txori kernel: [<82925b32>] xfs_imap_to_bmap+0x2a/0x28a
[xfs]
Sep 13 08:39:39 txori kernel: [<82925fcc>] xfs_iomap+0x23a/0x3ec [xfs]
Sep 13 08:39:39 txori kernel: [<82926076>] xfs_iomap+0x2e4/0x3ec [xfs]
Sep 13 08:39:39 txori kernel: [<82945e39>] xfs_bmap+0x1a/0x1e [xfs]
Sep 13 08:39:39 txori kernel: [<8294005f>]
linvfs_get_block_core+0x6b/0x257 [xfs]
Sep 13 08:39:40 txori kernel: [<02139c3f>] find_or_create_page+0x18/0x72
Sep 13 08:39:40 txori kernel: [<022b7b17>] __cond_resched+0x14/0x39
Sep 13 08:39:40 txori kernel: [<02156002>] set_bh_page+0x2c/0x34
Sep 13 08:39:40 txori kernel: [<8294025e>] linvfs_get_block+0x13/0x17 [xfs]
Sep 13 08:39:40 txori kernel: [<0215664f>]
__block_prepare_write+0x15d/0x3e4
Sep 13 08:39:40 txori kernel: [<02156f61>] block_prepare_write+0x16/0x23
Sep 13 08:39:40 txori kernel: [<8294024b>] linvfs_get_block+0x0/0x17 [xfs]
Sep 13 08:39:40 txori kernel: [<82940578>]
linvfs_prepare_write+0x12/0x16 [xfs]
Sep 13 08:39:40 txori kernel: [<8294024b>] linvfs_get_block+0x0/0x17 [xfs]
Sep 13 08:39:40 txori kernel: [<0213b3c8>]
generic_file_buffered_write+0x1b5/0x4ae
Sep 13 08:39:40 txori kernel: [<8290e4ed>] xfs_da_brelse+0x73/0x92 [xfs]
Sep 13 08:39:40 txori kernel: [<828f7400>] xfs_attr_leaf_get+0x4b/0x82
[xfs]
Sep 13 08:39:40 txori kernel: [<82945a87>] xfs_write+0x622/0x982 [xfs]
Sep 13 08:39:40 txori kernel: [<8294230d>] linvfs_write+0x6f/0x77 [xfs]
Sep 13 08:39:40 txori kernel: [<02153d7b>] do_sync_write+0x97/0xc9
Sep 13 08:39:40 txori kernel: [<8293a4d9>]
xfs_inactive_free_eofblocks+0xd2/0x210 [xfs]
Sep 13 08:39:40 txori kernel: [<0211deca>]
autoremove_wake_function+0x0/0x2d
Sep 13 08:39:40 txori kernel: [<02153e63>] vfs_write+0xb6/0xe2
Sep 13 08:39:40 txori kernel: [<02153f2d>] sys_write+0x3c/0x62
Sep 13 08:39:40 txori kernel: perl5.8.5: page allocation failure.
order:4, mode:0x50
Sep 13 08:39:40 txori kernel: [<0213d396>] __alloc_pages+0x28b/0x298
Sep 13 08:39:40 txori kernel: [<0213d3bb>] __get_free_pages+0x18/0x24
Sep 13 08:39:40 txori kernel: [<0213fc88>] kmem_getpages+0x1c/0xbb
Sep 13 08:39:40 txori kernel: [<021407d9>] cache_grow+0xae/0x136
Sep 13 08:39:40 txori kernel: [<021409c6>] cache_alloc_refill+0x165/0x19d
Sep 13 08:39:40 txori kernel: [<02140d9d>] __kmalloc+0x76/0x88
Sep 13 08:39:40 txori kernel: [<8293ee20>] kmem_alloc+0x50/0x9e [xfs]
Sep 13 08:39:40 txori kernel: [<8293eef0>] kmem_realloc+0x17/0x52 [xfs]
Sep 13 08:39:40 txori kernel: [<82924188>] xfs_iext_realloc+0xc9/0xdc [xfs]
Sep 13 08:39:40 txori kernel: [<82901912>]
xfs_bmap_insert_exlist+0x22/0x77 [xfs]
Sep 13 08:39:40 txori kernel: [<828fed42>]
xfs_bmap_add_extent_hole_delay+0x438/0x48e [xfs]
Sep 13 08:39:40 txori kernel: [<828fc7b4>]
xfs_bmap_add_extent+0x146/0x399 [xfs]
Sep 13 08:39:40 txori kernel: [<829039bc>] xfs_bmapi+0xb00/0x12bf [xfs]
Sep 13 08:39:40 txori kernel: [<829031e2>] xfs_bmapi+0x326/0x12bf [xfs]
Sep 13 08:39:40 txori kernel: [<021398ef>] wake_up_page+0x9/0x29
Sep 13 08:39:40 txori kernel: [<82926bdf>]
xfs_iomap_write_delay+0x628/0x702 [xfs]
Sep 13 08:39:40 txori kernel: [<8292ad03>]
xlog_state_get_iclog_space+0x163/0x172 [xfs]
Sep 13 08:39:40 txori kernel: [<82925b32>] xfs_imap_to_bmap+0x2a/0x28a
[xfs]
Sep 13 08:39:40 txori kernel: [<82925fcc>] xfs_iomap+0x23a/0x3ec [xfs]
Sep 13 08:39:40 txori kernel: [<82926076>] xfs_iomap+0x2e4/0x3ec [xfs]
Sep 13 08:39:40 txori kernel: [<82945e39>] xfs_bmap+0x1a/0x1e [xfs]
Sep 13 08:39:40 txori kernel: [<8294005f>]
linvfs_get_block_core+0x6b/0x257 [xfs]
Sep 13 08:39:40 txori kernel: [<02139c3f>] find_or_create_page+0x18/0x72
Sep 13 08:39:40 txori kernel: [<022b7b17>] __cond_resched+0x14/0x39
Sep 13 08:39:40 txori kernel: [<02156002>] set_bh_page+0x2c/0x34
Sep 13 08:39:40 txori kernel: [<8294025e>] linvfs_get_block+0x13/0x17 [xfs]
Sep 13 08:39:40 txori kernel: [<0215664f>]
__block_prepare_write+0x15d/0x3e4
Sep 13 08:39:40 txori kernel: [<02156f61>] block_prepare_write+0x16/0x23
Sep 13 08:39:40 txori kernel: [<8294024b>] linvfs_get_block+0x0/0x17 [xfs]
Sep 13 08:39:40 txori kernel: [<82940578>]
linvfs_prepare_write+0x12/0x16 [xfs]
Sep 13 08:39:40 txori kernel: [<8294024b>] linvfs_get_block+0x0/0x17 [xfs]
Sep 13 08:39:40 txori kernel: [<0213b3c8>]
generic_file_buffered_write+0x1b5/0x4ae
Sep 13 08:39:40 txori kernel: [<8290e4ed>] xfs_da_brelse+0x73/0x92 [xfs]
Sep 13 08:39:40 txori kernel: [<828f7400>] xfs_attr_leaf_get+0x4b/0x82
[xfs]
Sep 13 08:39:40 txori kernel: [<82945a87>] xfs_write+0x622/0x982 [xfs]
Sep 13 08:39:40 txori kernel: [<8294230d>] linvfs_write+0x6f/0x77 [xfs]
Sep 13 08:39:40 txori kernel: [<02153d7b>] do_sync_write+0x97/0xc9
Sep 13 08:39:40 txori kernel: [<8293a4d9>]
xfs_inactive_free_eofblocks+0xd2/0x210 [xfs]
Sep 13 08:39:40 txori kernel: [<0211deca>]
autoremove_wake_function+0x0/0x2d
Sep 13 08:39:40 txori kernel: [<02153e63>] vfs_write+0xb6/0xe2
Sep 13 08:39:40 txori kernel: [<02153f2d>] sys_write+0x3c/0x62
Sep 13 08:39:40 txori kernel: perl5.8.5: page allocation failure.
order:4, mode:0x50
Sep 13 08:39:40 txori kernel: [<0213d396>] __alloc_pages+0x28b/0x298
Sep 13 08:39:40 txori kernel: [<0213d3bb>] __get_free_pages+0x18/0x24
Sep 13 08:39:40 txori kernel: [<0213fc88>] kmem_getpages+0x1c/0xbb
Sep 13 08:39:40 txori kernel: [<021407d9>] cache_grow+0xae/0x136
Sep 13 08:39:41 txori kernel: [<021409c6>] cache_alloc_refill+0x165/0x19d
Sep 13 08:39:41 txori kernel: [<02140d9d>] __kmalloc+0x76/0x88
Sep 13 08:39:41 txori kernel: [<8293ee20>] kmem_alloc+0x50/0x9e [xfs]
Sep 13 08:39:41 txori kernel: [<8293eef0>] kmem_realloc+0x17/0x52 [xfs]
Sep 13 08:39:41 txori kernel: [<82924188>] xfs_iext_realloc+0xc9/0xdc [xfs]
Sep 13 08:39:41 txori kernel: [<82901912>]
xfs_bmap_insert_exlist+0x22/0x77 [xfs]
Sep 13 08:39:41 txori kernel: [<828fed42>]
xfs_bmap_add_extent_hole_delay+0x438/0x48e [xfs]
Sep 13 08:39:41 txori kernel: [<828fc7b4>]
xfs_bmap_add_extent+0x146/0x399 [xfs]
Sep 13 08:39:41 txori kernel: [<829039bc>] xfs_bmapi+0xb00/0x12bf [xfs]
Sep 13 08:39:41 txori kernel: [<829031e2>] xfs_bmapi+0x326/0x12bf [xfs]
Sep 13 08:39:41 txori kernel: [<021398ef>] wake_up_page+0x9/0x29
Sep 13 08:39:41 txori kernel: [<82926bdf>]
xfs_iomap_write_delay+0x628/0x702 [xfs]
Sep 13 08:39:41 txori kernel: [<8292ad03>]
xlog_state_get_iclog_space+0x163/0x172 [xfs]
Sep 13 08:39:41 txori kernel: [<82925b32>] xfs_imap_to_bmap+0x2a/0x28a
[xfs]
Sep 13 08:39:41 txori kernel: [<82925fcc>] xfs_iomap+0x23a/0x3ec [xfs]
Sep 13 08:39:41 txori kernel: [<82926076>] xfs_iomap+0x2e4/0x3ec [xfs]
Sep 13 08:39:41 txori kernel: [<82945e39>] xfs_bmap+0x1a/0x1e [xfs]
Sep 13 08:39:41 txori kernel: [<8294005f>]
linvfs_get_block_core+0x6b/0x257 [xfs]
Sep 13 08:39:41 txori kernel: [<02139c3f>] find_or_create_page+0x18/0x72
Sep 13 08:39:41 txori kernel: [<022b7b17>] __cond_resched+0x14/0x39
Sep 13 08:39:41 txori kernel: [<02156002>] set_bh_page+0x2c/0x34
Sep 13 08:39:41 txori kernel: [<8294025e>] linvfs_get_block+0x13/0x17 [xfs]
Sep 13 08:39:41 txori kernel: [<0215664f>]
__block_prepare_write+0x15d/0x3e4
Sep 13 08:39:41 txori kernel: [<02156f61>] block_prepare_write+0x16/0x23
Sep 13 08:39:41 txori kernel: [<8294024b>] linvfs_get_block+0x0/0x17 [xfs]
Sep 13 08:39:41 txori kernel: [<82940578>]
linvfs_prepare_write+0x12/0x16 [xfs]
Sep 13 08:39:41 txori kernel: [<8294024b>] linvfs_get_block+0x0/0x17 [xfs]
Sep 13 08:39:41 txori kernel: [<0213b3c8>]
generic_file_buffered_write+0x1b5/0x4ae
Sep 13 08:39:41 txori kernel: [<8290e4ed>] xfs_da_brelse+0x73/0x92 [xfs]
Sep 13 08:39:41 txori kernel: [<828f7400>] xfs_attr_leaf_get+0x4b/0x82
[xfs]
Sep 13 08:39:41 txori kernel: [<82945a87>] xfs_write+0x622/0x982 [xfs]
Sep 13 08:39:41 txori kernel: [<8294230d>] linvfs_write+0x6f/0x77 [xfs]
Sep 13 08:39:41 txori kernel: [<02153d7b>] do_sync_write+0x97/0xc9
Sep 13 08:39:41 txori kernel: [<8293a4d9>]
xfs_inactive_free_eofblocks+0xd2/0x210 [xfs]
Sep 13 08:39:41 txori kernel: [<0211deca>]
autoremove_wake_function+0x0/0x2d
Sep 13 08:39:41 txori kernel: [<02153e63>] vfs_write+0xb6/0xe2
Sep 13 08:39:41 txori kernel: [<02153f2d>] sys_write+0x3c/0x62
Sep 13 08:39:41 txori kernel: possible deadlock in kmem_alloc (mode:0x50)


2005-09-15 07:03:54

by liyu

[permalink] [raw]
Subject: Re: Question about page allocation failure


the related code is here:

/* This allocation should allow future memory freeing. */

if (((p->flags & PF_MEMALLOC) ||
unlikely(test_thread_flag(TIF_MEMDIE)))
&& !in_interrupt()) {
if (!(gfp_mask & __GFP_NOMEMALLOC)) {
/* go through the zonelist yet again, ignoring
mins */
for (i = 0; (z = zones[i]) != NULL; i++) {
if (!cpuset_zone_allowed(z))
continue;
page = buffered_rmqueue(z, order, gfp_mask);
if (page)
goto got_pg;
}
}
goto nopage;
}

/* Atomic allocations - we can't balance anything */
if (!wait)
goto nopage;


nopage:
if (!(gfp_mask & __GFP_NOWARN) && printk_ratelimit()) {
printk(KERN_WARNING "%s: page allocation failure."
" order:%d, mode:0x%x\n",
p->comm, order, gfp_mask);
dump_stack();
}
return NULL;



if we are in normal case, there have two possbiles:
1. total of memory is too low.
2. /* Atomic allocations - we can't balance anything */

I think this is not too dangerous.

PS: I use 2.6.12.

Any more clear idea?


sailor



nopage:

2005-09-15 10:00:08

by Nathan Scott

[permalink] [raw]
Subject: Re: Question about page allocation failure

On Thu, Sep 15, 2005 at 08:30:09AM +0200, Ruben Rubio Rey wrote:
> Hi,
>
> Im getting an error: "perl5.8.5: page allocation failure. order:4,
> mode:0x50".
>
> What does it means?
> Is it dangerous?
> What may I do to fix it?
>
> Im using kernel 2.6.9-1.667smp and XFS filesystem.

You have a _heavily_ fragmented file in an XFS filesystem...
there's work underway to prevent this from happening, but for
now you can run xfs_fsr to reduce fragmentation. XFS retries
the allocation until it succeeds, so its far from optimal but
not dangerous.

cheers.

--
Nathan