Re: __alloc_pages: 0-order allocation failed (gfp=0x20/0)

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Gabor,

On Sun, Jun 10, 2007 at 10:43:06AM +0200, Gabor Z. Papp wrote:
> * "pradeep singh" <2500.pradeep@xxxxxxxxx>:
> 
> | > __alloc_pages: 0-order allocation failed (gfp=0x20/0)
> | > eth0: Memory squeeze, dropping packet.
> 
> | It looks you ran out of single page frames on your machine.
> | What did you with your machine which triggered this?
> | Were you running some memory intensive processes too?
> 
> Seeding a few gigs with rtorrent. :-)
> 
> But I don't think I have big traffic:
> 
> $ netstat -t | wc -l
> 37
> 
> Nothing more, its a seeding host only.

I've already encountered this when doing network stress-testing,
with thousands of concurrent sessions and very large TCP buffers.

37 sockets does not seem much. Maybe you have very large buffers.
You may want to check /proc/sys/net/ipv4/tcp_rmem and tcp_wmem,
and maybe reduce the values there.

Regards,
Willy

-
To unsubscribe from this list: send the line "unsubscribe linux-net" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Netdev]     [Ethernet Bridging]     [Linux 802.1Q VLAN]     [Linux Wireless]     [Kernel Newbies]     [Security]     [Linux for Hams]     [Netfilter]     [Git]     [Bugtraq]     [Yosemite News and Information]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux PCI]     [Linux Admin]     [Samba]

  Powered by Linux