[rt2x00-users] RT-3072 as AP issue. (USB stick)

[Helmut Schaa]

On Mon, Apr 16, 2012 at 8:55 PM, Buy Sell <604buysell at gmail.com> wrote:
> Hi all,
>
> I have a Asus N13 USB stick and I am trying to set it up as AP. It works for
> a while and then it throws an exception as below.
>
> I have tested with multiple kernel version and they all have the same
> problem.
>
> Can anyone help me how to fix this one?
>
> Thanks,
>
> Ben
>
> uname -a
>
> Linux devserver 3.2.0-23-generic #36-Ubuntu SMP Tue Apr 10 20:41:14 UTC 2012
> i686 i686 i386 GNU/Linux
>
> dmesg
>
> [24038.198449] Call Trace:
> [24038.198466]  [<c1561d5f>] ? printk+0x2d/0x2f
> [24038.198480]  [<c10eb2df>] warn_alloc_failed+0xbf/0x100
> [24038.198493]  [<c10ee083>] __alloc_pages_nodemask+0x513/0x6e0
> [24038.198509]  [<c1027378>] ? default_spin_lock_flags+0x8/0x10
> [24038.198522]  [<c1120664>] allocate_slab+0xd4/0xe0
> [24038.198534]  [<c1120697>] new_slab+0x27/0x120
> [24038.198547]  [<c156625c>] __slab_alloc.constprop.68+0x11a/0x1e5
> [24038.198561]  [<c1470d91>] ? dev_alloc_skb+0x21/0x40
> [24038.198576]  [<c13f69d4>] ? submit_async.isra.77+0x84/0xc0
> [24038.198590]  [<c1123de8>] __kmalloc_track_caller+0x1c8/0x1d0
> [24038.198603]  [<c13f6b88>] ? ehci_urb_enqueue+0x58/0xf0
> [24038.198614]  [<c14707ce>] ? __alloc_skb+0x2e/0x200
> [24038.198625]  [<c1470d91>] ? dev_alloc_skb+0x21/0x40
> [24038.198636]  [<c14707f1>] __alloc_skb+0x51/0x200
> [24038.198648]  [<c1470d91>] dev_alloc_skb+0x21/0x40
> [24038.198679]  [<d184468a>] rt2x00queue_alloc_rxskb+0x4a/0x140 [rt2x00lib]
> [24038.198700]  [<d1841a01>] rt2x00lib_rxdone+0x81/0x210 [rt2x00lib]
> [24038.198714]  [<c1576d2d>] ? _raw_spin_lock_irqsave+0x2d/0x40
> [24038.198736]  [<d184417e>] ? rt2x00queue_get_entry+0x3e/0x90 [rt2x00lib]
> [24038.198752]  [<c1574b59>] ? __schedule+0x2e9/0x620
> [24038.198768]  [<d184e14c>] rt2x00usb_work_rxdone+0x4c/0x80 [rt2x00usb]
> [24038.198785]  [<d199b8b1>] ? rt2800usb_work_txdone+0xc1/0xf0 [rt2800usb]
> [24038.198800]  [<c10652a1>] process_one_work+0x101/0x3a0
> [24038.198813]  [<c157e370>] ? common_interrupt+0x30/0x38
> [24038.198830]  [<d184e100>] ? rt2x00usb_disconnect+0x70/0x70 [rt2x00usb]
> [24038.198843]  [<c1065d64>] worker_thread+0x124/0x2d0
> [24038.198856]  [<c1065c40>] ? manage_workers.isra.27+0x110/0x110
> [24038.198869]  [<c1069b8d>] kthread+0x6d/0x80
> [24038.198881]  [<c1069b20>] ? flush_kthread_worker+0x80/0x80
> [24038.198893]  [<c157e37e>] kernel_thread_helper+0x6/0x10

Please add a bit more output before the trace ...

Helmut