Re: [NILFS users] cleanerd crash

John Huttley Thu, 23 Oct 2008 01:08:36 -0700

Thanks Ryusuke,

This weekend through to Monday is a holiday here in New Zealand.
So I'm not going to be able to test it until about Weds 29th Oct.


Regards,

John


Ryusuke Konishi wrote:

Hi John,

On Sat, 18 Oct 2008 13:08:41 +0900 (JST), Ryusuke Konishi wrote:
On Sat, 18 Oct 2008 13:33:55 +1300, John Huttley wrote:
Hi,
I've updated to nilfs2-utils from git but I'm getting crashes. Eventually itlocks up the filesystem.
The log has a lot of entries like this.
I'm not quite sure where the start is...
Thank you for this problem report.

It looks memory shortage. The memory allocation code of the nilfs2
ioctl looks problematic.

OK, I'll try to make a few changes to moderate the problem.
I pushed a patch to the nilfs2-module git tree
( http://www.nilfs.org/git/ ).
I believe it will get rid of this problem.

After a series of tests, I will release an update version of the
nilfs2 module.

If you can try it, please let me know the result.

Regards,
Ryusuke Konishi
System is gentoo 2.6.26
1Gb ram
X64 processor



Regards,

John



17:05+13:00 [<ffffffff8029f4ca>] sys_ioctl+0x4a/0x80
2008-10-18T13:17:05+13:00 [<ffffffff8020b54b>]system_call_after_swapgs+0x7b/0x80
2008-10-18T13:17:05+13:00
2008-10-18T13:17:05+13:00 Mem-info:
2008-10-18T13:17:05+13:00 DMA per-cpu:
2008-10-18T13:17:05+13:00 CPU    0: hi:    0, btch:   1 usd:   0
2008-10-18T13:17:05+13:00 CPU    1: hi:    0, btch:   1 usd:   0
2008-10-18T13:17:05+13:00 DMA32 per-cpu:
2008-10-18T13:17:05+13:00 CPU    0: hi:  186, btch:  31 usd:   0
2008-10-18T13:17:05+13:00 CPU    1: hi:  186, btch:  31 usd:   0
2008-10-18T13:17:05+13:00 Active:90869 inactive:129468 dirty:3960 writeback:0unstable:02008-10-18T13:17:05+13:00 free:2456 slab:22666 mapped:11236 pagetables:3523bounce:02008-10-18T13:17:05+13:00 DMA free:3988kB min:28kB low:32kB high:40kBactive:236kB inactive:1076kB present:7520kB pages_scanned:0all_unreclaimable? no
2008-10-18T13:17:05+13:00 lowmem_reserve[]: 0 993 993 993
2008-10-18T13:17:05+13:00 DMA32 free:5836kB min:4016kB low:5020kB high:6024kBactive:363240kB inactive:516796kB present:1017196kB pages_scanned:0all_unreclaimable? no
2008-10-18T13:17:05+13:00 lowmem_reserve[]: 0 0 0 0
2008-10-18T13:17:05+13:00 DMA: 37*4kB 46*8kB 31*16kB 23*32kB 3*64kB 0*128kB0*256kB 0*512kB 0*1024kB 1*2048kB 0*4096kB = 3988kB2008-10-18T13:17:05+13:00 DMA32: 515*4kB 247*8kB 37*16kB 22*32kB 7*64kB1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5908kB
2008-10-18T13:17:05+13:00 150687 total pagecache pages
2008-10-18T13:17:05+13:00 Swap cache: add 6369, delete 5665, find 372/545
2008-10-18T13:17:05+13:00 Free swap  = 2077216kB
2008-10-18T13:17:05+13:00 Total swap = 2097140kB
2008-10-18T13:17:05+13:00 261920 pages of RAM
2008-10-18T13:17:05+13:00 5977 reserved pages
2008-10-18T13:17:05+13:00 146602 pages shared
2008-10-18T13:17:05+13:00 704 pages swap cached
2008-10-18T13:17:11+13:00 nilfs_cleanerd: page allocation failure. order:5,mode:0x40502008-10-18T13:17:11+13:00 Pid: 4940, comm: nilfs_cleanerd Not tainted2.6.26-gentoo #2
2008-10-18T13:17:11+13:00
2008-10-18T13:17:11+13:00 Call Trace:
2008-10-18T13:17:11+13:00 [<ffffffff80238179>] ? __printk_ratelimit+0x9/0x10
2008-10-18T13:17:11+13:00 [<ffffffff8026d4a7>]__alloc_pages_internal+0x3f7/0x450
2008-10-18T13:17:11+13:00 [<ffffffff8026d51b>] __alloc_pages+0xb/0x10
2008-10-18T13:17:11+13:00 [<ffffffff8026d535>] __get_free_pages+0x15/0x60
2008-10-18T13:17:11+13:00 [<ffffffff8028ec94>] __kmalloc+0xb4/0xe0
2008-10-18T13:17:11+13:00[<ffffffffa00cd64d>] :nilfs2:nilfs_ioctl_wrap_copy+0x3d/0x1602008-10-18T13:17:11+13:00[<ffffffffa00ce7e0>] ? :nilfs2:nilfs_ioctl_do_delete_checkpoints+0x0/0x702008-10-18T13:17:11+13:00[<ffffffffa00ce59a>] :nilfs2:nilfs_ioctl_prepare_clean_segments+0x7a/0x1002008-10-18T13:17:11+13:00[<ffffffffa00c8330>] :nilfs2:nilfs_clean_segments+0x90/0x2d0
2008-10-18T13:17:11+13:00 [<ffffffff8026c654>] ? free_compound_page+0x14/0x20
2008-10-18T13:17:11+13:00 [<ffffffff8026fda6>] ? put_compound_page+0x26/0x40
2008-10-18T13:17:11+13:00 [<ffffffff802704c7>] ? put_page+0xe7/0xf0
2008-10-18T13:17:11+13:00 [<ffffffff8028d86e>] ? kfree+0x9e/0xb0
2008-10-18T13:17:11+13:00 [<ffffffffa00cd8bd>] :nilfs2:nilfs_ioctl+0x10d/0x810
2008-10-18T13:17:11+13:00 [<ffffffff802a1fce>] ? locks_free_lock+0x3e/0x60
2008-10-18T13:17:11+13:00 [<ffffffff8029f1aa>] vfs_ioctl+0x7a/0x90
2008-10-18T13:17:11+13:00 [<ffffffff8029f233>] do_vfs_ioctl+0x73/0x2c0
2008-10-18T13:17:11+13:00 [<ffffffff8029f4ca>] sys_ioctl+0x4a/0x80
2008-10-18T13:17:11+13:00 [<ffffffff8020b54b>]system_call_after_swapgs+0x7b/0x80
2008-10-18T13:17:11+13:00
2008-10-18T13:17:11+13:00 Mem-info:
2008-10-18T13:17:11+13:00 DMA per-cpu:
2008-10-18T13:17:11+13:00 CPU    0: hi:    0, btch:   1 usd:   0
2008-10-18T13:17:11+13:00 CPU    1: hi:    0, btch:   1 usd:   0
2008-10-18T13:17:11+13:00 DMA32 per-cpu:
2008-10-18T13:17:11+13:00 CPU    0: hi:  186, btch:  31 usd:   0
2008-10-18T13:17:11+13:00 CPU    1: hi:  186, btch:  31 usd:   1
2008-10-18T13:17:11+13:00 Active:91467 inactive:128931 dirty:3984 writeback:0unstable:02008-10-18T13:17:11+13:00 free:2450 slab:22579 mapped:11381 pagetables:3586bounce:02008-10-18T13:17:11+13:00 DMA free:4100kB min:28kB low:32kB high:40kBactive:96kB inactive:1132kB present:7520kB pages_scanned:0 all_unreclaimable?no
2008-10-18T13:17:11+13:00 lowmem_reserve[]: 0 993 993 993
2008-10-18T13:17:11+13:00 DMA32 free:5700kB min:4016kB low:5020kB high:6024kBactive:365772kB inactive:514592kB present:1017196kB pages_scanned:0all_unreclaimable? no
2008-10-18T13:17:11+13:00 lowmem_reserve[]: 0 0 0 0
2008-10-18T13:17:11+13:00 DMA: 47*4kB 62*8kB 29*16kB 22*32kB 3*64kB 0*128kB0*256kB 0*512kB 0*1024kB 1*2048kB 0*4096kB = 4092kB2008-10-18T13:17:11+13:00 DMA32: 622*4kB 57*8kB 70*16kB 30*32kB 12*64kB0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5792kB
2008-10-18T13:17:11+13:00 150339 total pagecache pages
2008-10-18T13:17:11+13:00 Swap cache: add 6408, delete 5672, find 409/587
2008-10-18T13:17:11+13:00 Free swap  = 2077212kB
2008-10-18T13:17:11+13:00 Total swap = 2097140kB
2008-10-18T13:17:11+13:00 261920 pages of RAM
2008-10-18T13:17:11+13:00 5977 reserved pages
2008-10-18T13:17:11+13:00 148748 pages shared
2008-10-18T13:17:11+13:00 736 pages swap cached
2008-10-18T13:17:11+13:00 nilfs_cleanerd: page allocation failure. order:5,mode:0x40502008-10-18T13:17:11+13:00 Pid: 4940, comm: nilfs_cleanerd Not tainted2.6.26-gentoo #2
2008-10-18T13:17:11+13:00
2008-10-18T13:17:11+13:00 Call Trace:
2008-10-18T13:17:11+13:00 [<ffffffff80238179>] ? __printk_ratelimit+0x9/0x10
2008-10-18T13:17:11+13:00 [<ffffffff8026d4a7>]__alloc_pages_internal+0x3f7/0x450
2008-10-18T13:17:11+13:00 [<ffffffff8026d51b>] __alloc_pages+0xb/0x10
2008-10-18T13:17:11+13:00 [<ffffffff8026d535>] __get_free_pages+0x15/0x60
2008-10-18T13:17:11+13:00 [<ffffffff8028ec94>] __kmalloc+0xb4/0xe0
2008-10-18T13:17:11+13:00[<ffffffffa00cd64d>] :nilfs2:nilfs_ioctl_wrap_copy+0x3d/0x1602008-10-18T13:17:11+13:00[<ffffffffa00ceb20>] ? :nilfs2:nilfs_ioctl_do_free_vblocknrs+0x0/0x602008-10-18T13:17:11+13:00[<ffffffffa00ce5b6>] :nilfs2:nilfs_ioctl_prepare_clean_segments+0x96/0x1002008-10-18T13:17:11+13:00[<ffffffffa00c8330>] :nilfs2:nilfs_clean_segments+0x90/0x2d0
2008-10-18T13:17:11+13:00 [<ffffffff8026c654>] ? free_compound_page+0x14/0x20
2008-10-18T13:17:11+13:00 [<ffffffff8026fda6>] ? put_compound_page+0x26/0x40
2008-10-18T13:17:11+13:00 [<ffffffff802704c7>] ? put_page+0xe7/0xf0
2008-10-18T13:17:11+13:00 [<ffffffff8028d86e>] ? kfree+0x9e/0xb0
2008-10-18T13:17:11+13:00 [<ffffffffa00cd8bd>] :nilfs2:nilfs_ioctl+0x10d/0x810
2008-10-18T13:17:11+13:00 [<ffffffff802a1fce>] ? locks_free_lock+0x3e/0x60
2008-10-18T13:17:11+13:00 [<ffffffff8029f1aa>] vfs_ioctl+0x7a/0x90
2008-10-18T13:17:11+13:00 [<ffffffff8029f233>] do_vfs_ioctl+0x73/0x2c0
2008-10-18T13:17:11+13:00 [<ffffffff8029f4ca>] sys_ioctl+0x4a/0x80
2008-10-18T13:17:11+13:00 [<ffffffff8020b54b>]system_call_after_swapgs+0x7b/0x80
2008-10-18T13:17:11+13:00
2008-10-18T13:17:11+13:00 Mem-info:
2008-10-18T13:17:11+13:00 DMA per-cpu:
2008-10-18T13:17:11+13:00 CPU    0: hi:    0, btch:   1 usd:   0
2008-10-18T13:17:11+13:00 CPU    1: hi:    0, btch:   1 usd:   0
2008-10-18T13:17:11+13:00 DMA32 per-cpu:
2008-10-18T13:17:11+13:00 CPU    0: hi:  186, btch:  31 usd:   0
2008-10-18T13:17:11+13:00 CPU    1: hi:  186, btch:  31 usd:   0
2008-10-18T13:17:11+13:00 Active:91467 inactive:128894 dirty:3984 writeback:0unstable:02008-10-18T13:17:11+13:00 free:2518 slab:22579 mapped:11381 pagetables:3586bounce:02008-10-18T13:17:11+13:00 DMA free:4100kB min:28kB low:32kB high:40kBactive:96kB inactive:1132kB present:7520kB pages_scanned:0 all_unreclaimable?no
2008-10-18T13:17:11+13:00 lowmem_reserve[]: 0 993 993 993
2008-10-18T13:17:11+13:00 DMA32 free:5972kB min:4016kB low:5020kB high:6024kBactive:365772kB inactive:514444kB present:1017196kB pages_scanned:0all_unreclaimable? no
2008-10-18T13:17:11+13:00 lowmem_reserve[]: 0 0 0 0
2008-10-18T13:17:11+13:00 DMA: 47*4kB 62*8kB 29*16kB 22*32kB 3*64kB 0*128kB0*256kB 0*512kB 0*1024kB 1*2048kB 0*4096kB = 4092kB2008-10-18T13:17:11+13:00 DMA32: 623*4kB 61*8kB 73*16kB 32*32kB 13*64kB0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 6004kB
2008-10-18T13:17:11+13:00 150314 total pagecache pages
2008-10-18T13:17:11+13:00 Swap cache: add 6415, delete 5679, find 409/587
2008-10-18T13:17:11+13:00 Free swap  = 2077184kB
2008-10-18T13:17:11+13:00 Total swap = 2097140kB
2008-10-18T13:17:11+13:00 261920 pages of RAM
2008-10-18T13:17:11+13:00 5977 reserved pages
2008-10-18T13:17:11+13:00 148731 pages shared
2008-10-18T13:17:11+13:00 736 pages swap cached

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Re: [NILFS users] cleanerd crash

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