Comment 3 for bug 732172

I have the same problem, random freeze, now the kern.log is an evidence

Linux version 2.6.38-8-generic (buildd@allspice)
(gcc version 4.5.2 (Ubuntu/Linaro 4.5.2-8ubuntu3) )
#42-Ubuntu SMP Mon Apr 11 03:31:24 UTC 2011
(Ubuntu 2.6.38-8.42-generic 2.6.38.2)

(prefix removed)

 __alloc_pages_slowpath: 12 callbacks suppressed
 swapper: page allocation failure. order:2, mode:0x4020
 Pid: 0, comm: swapper Tainted: P 2.6.38-8-generic #42-Ubuntu
 Call Trace:
  <IRQ> [<ffffffff811147c4>] ? __alloc_pages_nodemask+0x604/0x840
  [<ffffffff811155eb>] ? free_compound_page+0x1b/0x20
  [<ffffffff8115306b>] ? kmalloc_large_node+0x6b/0xc0
  [<ffffffff811585a1>] ? __kmalloc_node_track_caller+0x151/0x1a0
  [<ffffffff814c5c5d>] ? dev_alloc_skb+0x1d/0x40
  [<ffffffff814c5473>] ? __alloc_skb+0x83/0x170
  [<ffffffff814c5c5d>] ? dev_alloc_skb+0x1d/0x40
  [<ffffffffa0539cf6>] ? rtl8192_rx_normal+0x2c6/0x470 [r8192se_pci]
  [<ffffffffa053a2d1>] ? rtl8192_irq_rx_tasklet+0x21/0x70 [r8192se_pci]
  [<ffffffff8106cc43>] ? tasklet_action+0x73/0x120
  [<ffffffff8106d538>] ? __do_softirq+0xa8/0x1c0
  [<ffffffff81030518>] ? ack_apic_level+0x78/0x1a0
  [<ffffffff8100cf1c>] ? call_softirq+0x1c/0x30
  [<ffffffff8100ea45>] ? do_softirq+0x65/0xa0
  [<ffffffff8106d755>] ? irq_exit+0x85/0x90
  [<ffffffff815caec6>] ? do_IRQ+0x66/0xe0
  [<ffffffff815c3213>] ? ret_from_intr+0x0/0x15
  <EOI> [<ffffffff8136080f>] ? arch_local_irq_enable+0x8/0xd
  [<ffffffff8108ec35>] ? sched_clock_idle_wakeup_event+0x15/0x20
  [<ffffffff813615d4>] ? acpi_idle_enter_bm+0x219/0x251
  [<ffffffff814a3bda>] ? cpuidle_idle_call+0xaa/0x1b0
  [<ffffffff8100a266>] ? cpu_idle+0xa6/0xf0
  [<ffffffff815a9205>] ? rest_init+0x75/0x80
  [<ffffffff81acac8b>] ? start_kernel+0x3f5/0x400
  [<ffffffff81aca388>] ? x86_64_start_reservations+0x132/0x136
  [<ffffffff81aca253>] ? zap_identity_mappings+0x3e/0x41
  [<ffffffff81aca458>] ? x86_64_start_kernel+0xcc/0xdb