* Pb of __alloc_pages
@ 2001-06-11 15:15 Didier CONTIS
2001-06-12 1:33 ` Marcelo Tosatti
0 siblings, 1 reply; 2+ messages in thread
From: Didier CONTIS @ 2001-06-11 15:15 UTC (permalink / raw)
To: linux-kernel
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I am building a Beowulf cluster using Dell PowerEdge 1400SC
(2x800Mhz, 1GB of ram, 9GB Ultra160) and using kernel 2.4.5
I several of my nodes I am getting the following errors:
Jun 10 00:19:32 grendel16 kernel: __alloc_pages: 0-order allocation
failed.
Jun 10 00:19:32 grendel16 last message repeated 12 times
Jun 10 00:19:36 grendel16 kernel: ed.
Jun 10 00:19:36 grendel16 kernel: __alloc_pages: 0-order allocation
failed.
Jun 10 00:19:55 grendel16 last message repeated 363 times
Jun 10 00:23:32 grendel16 kernel: VFS: file-max limit 8192 reached
Below is the output of cat /proc/slabinfo
I was wondering if someone could help me debug this one.
Thanks in advance for any help,
Regards - Didier
slabinfo - version: 1.1 (SMP)
kmem_cache 68 68 232 4 4 1 : 252 126
tcp_tw_bucket 80 80 96 2 2 1 : 252 126
tcp_bind_bucket 167 226 32 2 2 1 : 252 126
tcp_open_request 118 118 64 2 2 1 : 252 126
inet_peer_cache 12 118 64 2 2 1 : 252 126
ip_fib_hash 10 226 32 2 2 1 : 252 126
ip_dst_cache 192 192 160 8 8 1 : 252 126
arp_cache 90 90 128 3 3 1 : 252 126
blkdev_requests 6144 6200 96 155 155 1 : 252 126
nfs_read_data 0 0 384 0 0 1 : 124 62
nfs_write_data 0 0 384 0 0 1 : 124 62
nfs_page 0 0 96 0 0 1 : 252 126
dnotify cache 0 0 20 0 0 1 : 252 126
file lock cache 84 84 92 2 2 1 : 252 126
fasync cache 0 0 16 0 0 1 : 252 126
uid_cache 130 226 32 2 2 1 : 252 126
skbuff_head_cache 400 2400 160 56 100 1 : 252 126
sock 220 16605 832 107 1845 2 : 124 62
sigqueue 261 261 132 9 9 1 : 252 126
cdev_cache 137 177 64 3 3 1 : 252 126
bdev_cache 3 118 64 2 2 1 : 252 126
inode_cache 7984 7984 480 998 998 1 : 124 62
dentry_cache 8910 8910 128 297 297 1 : 252 126
filp 8192 8320 96 208 208 1 : 252 126
names_cache 7 7 4096 7 7 1 : 60 30
buffer_head 116480 116480 96 2912 2912 1 : 252 126
mm_struct 351 5280 128 18 176 1 : 252 126
vm_area_struct 701 30267 64 15 513 1 : 252 126
fs_cache 320 2832 64 13 48 1 : 252 126
files_cache 182 2637 416 22 293 1 : 124 62
signal_act 83 1155 1312 36 385 1 : 60 30
size-131072(DMA) 0 0 131072 0 0 32 : 0 0
size-131072 0 0 131072 0 0 32 : 0 0
size-65536(DMA) 0 0 65536 0 0 16 : 0 0
size-65536 0 0 65536 0 0 16 : 0 0
size-32768(DMA) 0 0 32768 0 0 8 : 0 0
size-32768 0 0 32768 0 0 8 : 0 0
size-16384(DMA) 0 0 16384 0 0 4 : 0 0
size-16384 2 2 16384 2 2 4 : 0 0
size-8192(DMA) 0 0 8192 0 0 2 : 0 0
size-8192 1 3 8192 1 3 2 : 0 0
size-4096(DMA) 0 0 4096 0 0 1 : 60 30
size-4096 28 28 4096 28 28 1 : 60 30
size-2048(DMA) 0 0 2048 0 0 1 : 60 30
size-2048 106 106 2048 53 53 1 : 60 30
size-1024(DMA) 0 0 1024 0 0 1 : 124 62
size-1024 242 1500 1024 111 375 1 : 124 62
size-512(DMA) 0 0 512 0 0 1 : 124 62
size-512 456 456 512 57 57 1 : 124 62
size-256(DMA) 0 0 256 0 0 1 : 252 126
size-256 285 285 256 19 19 1 : 252 126
size-128(DMA) 0 0 128 0 0 1 : 252 126
size-128 630 630 128 21 21 1 : 252 126
size-64(DMA) 0 0 64 0 0 1 : 252 126
size-64 758 2714 64 46 46 1 : 252 126
size-32(DMA) 0 0 32 0 0 1 : 252 126
size-32 3051 3051 32 27 27 1 : 252 126
- --
Didier CONTIS
Research Engineer I
School of Electrical and Computer Engineering
Georgia Tech, ECE 0250, Atlanta, GA USA 30332
Phone: (404) 894-3872
Fax: (404) 894-4641
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Pb of __alloc_pages
2001-06-11 15:15 Pb of __alloc_pages Didier CONTIS
@ 2001-06-12 1:33 ` Marcelo Tosatti
0 siblings, 0 replies; 2+ messages in thread
From: Marcelo Tosatti @ 2001-06-12 1:33 UTC (permalink / raw)
To: Didier CONTIS; +Cc: lkml, Rik van Riel
On Mon, 11 Jun 2001, Didier CONTIS wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> I am building a Beowulf cluster using Dell PowerEdge 1400SC
> (2x800Mhz, 1GB of ram, 9GB Ultra160) and using kernel 2.4.5
>
> I several of my nodes I am getting the following errors:
>
> Jun 10 00:19:32 grendel16 kernel: __alloc_pages: 0-order allocation
> failed.
> Jun 10 00:19:32 grendel16 last message repeated 12 times
> Jun 10 00:19:36 grendel16 kernel: ed.
> Jun 10 00:19:36 grendel16 kernel: __alloc_pages: 0-order allocation
> failed.
> Jun 10 00:19:55 grendel16 last message repeated 363 times
> Jun 10 00:23:32 grendel16 kernel: VFS: file-max limit 8192 reached
>
> Below is the output of cat /proc/slabinfo
>
> I was wondering if someone could help me debug this one.
>
> Thanks in advance for any help,
Could you please try 2.4.6pre1 or higher?
Since you seem to have an IO intensive workload (right?), pre1 should
throttle those IO allocations and avoid the extreme memory shortage.
Thanks
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