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[Xen-users] domU btdownload problems


  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: Sipos Ferenc <frank@xxxxxxx>
  • Date: Wed, 25 Jan 2006 23:12:34 +0100
  • Delivery-date: Wed, 25 Jan 2006 22:21:40 +0000
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Openpgp:

Hi Guys.

When I'm running a python based bittorrent client in one of my DomUs
after having it run for a couple of minutes the whole networking dies.
Here is all I get. Is it related to the fact that my domU has 'only'
128MByte physical RAM assigned to and when a burst of network packets
come thru bittorrent it runs out of memory? What shall I do to prevent this?

Thanks,
Frank

kano:~# python: page allocation failure. order:0, mode:0x20
 [<c014a8e3>] __alloc_pages+0x2a3/0x480
 [<c014dac7>] kmem_getpages+0x37/0xa0
 [<c014ea93>] cache_grow+0xd3/0x200
 [<c016c871>] end_bio_bh_io_sync+0x41/0x60
 [<c014ed41>] cache_alloc_refill+0x181/0x260
 [<c02f8351>] tcp_v4_send_check+0x51/0xf0
 [<c014f05f>] kmem_cache_alloc+0x7f/0x90
 [<c02bb2c4>] alloc_skb_from_cache+0x24/0xe0
 [<c0106b50>] alloc_skb+0x50/0xa0
 [<c02f4b0c>] tcp_send_ack+0x2c/0xf0
 [<c02f026f>] tcp_rcv_established+0x2af/0x8c0
 [<c014dac7>] kmem_getpages+0x37/0xa0
 [<c02f976b>] tcp_v4_do_rcv+0x12b/0x130
 [<c02f9e50>] tcp_v4_rcv+0x6e0/0x980
 [<c014ed41>] cache_alloc_refill+0x181/0x260
 [<c02dce30>] ip_local_deliver+0xf0/0x2d0
 [<c02bb37b>] alloc_skb_from_cache+0xdb/0xe0
 [<c02dd3bb>] ip_rcv+0x3ab/0x560
 [<c02c2318>] netif_receive_skb+0x1b8/0x280
 [<c02b5841>] netif_poll+0x251/0x7d0
 [<c02c264a>] net_rx_action+0xca/0x1c0
 [<c01242db>] __do_softirq+0x10b/0x130
 [<c0124395>] do_softirq+0x95/0xa0
 [<c010e0e2>] do_IRQ+0x22/0x30
 [<c01049e6>] evtchn_do_upcall+0xa6/0xe0
 [<c0109b54>] hypervisor_callback+0x2c/0x34


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