From: Terry Hardie (terryh_at_orcas.net)
Date: 2002-06-19 01:17:14 UTC
On Mon, 17 Jun 2002, Jouni Malinen wrote:
> On Sat, Jun 15, 2002 at 11:46:07PM -0700, Terry Hardie wrote:
>
> > kernel: wlan0: AP queue full - dropping new message
> >
> > And it just keeps repeating. The AP is down, and I can't even unload the
> > driver - A complete reboot is required to reset this.
>
> How ofter does that message repeat (i.e., many times per second or
> less often)? Is the host otherwise OK? What is the use count of hostap
> module (lsmod | grep hostap)? AP is certainly down as far as
> management messages are concerned (since they use that AP queue), but data
> TX/RX might still work.
>
> If the use count is 2 or more (or 1 or more if the device is down),
> it would look like SoftIRQ handler for AP queue has hang for
> some reason. Each new item in AP queue should schedule new handler
> so the queue should not remain full (unless the card is
> removed; which would show up in 'dmesg' output). However, if the queue
> gets full once and all the handlers have exited, the driver will have
> no way of restarting the queue handler.
I had to restart the system, so I can't do the lsmod, however, here's a clip from syslog for the affected time. Also, I found a kernel oops that happen just aminute before. Related?
Jun 15 14:33:33 microwave kernel: Unable to handle kernel paging request at virtual address 25c16447 Jun 15 14:33:33 microwave kernel: printing eip: Jun 15 14:33:33 microwave kernel: 25c16447 Jun 15 14:33:33 microwave kernel: *pde = 00000000 Jun 15 14:33:33 microwave kernel: Oops: 0000 Jun 15 14:33:33 microwave kernel: CPU: 0 Jun 15 14:33:33 microwave kernel: EIP: 0010:[<25c16447>] Not tainted Jun 15 14:33:33 microwave kernel: EFLAGS: 00010296 Jun 15 14:33:33 microwave kernel: eax: 21cbd129 ebx: 0000000b ecx: c3d78800 edx: c43049a0 Jun 15 14:33:33 microwave kernel: esi: c3aa5640 edi: c5fd787a ebp: c5fd7800 esp: c11ebf28 Jun 15 14:33:33 microwave kernel: ds: 0018 es: 0018 ss: 0018 Jun 15 14:33:33 microwave kernel: Process keventd (pid: 2, stackpage=c11eb000) Jun 15 14:33:33 microwave kernel: Stack: f92cc832 38f21809 6fbd99be ccbd35cf 4d0843c0 86c18c22 b01207d2 04c3f765 Jun 15 14:33:33 microwave kernel: 37e78716 0ef835c9 276d1b48 8f017b09 f2c56e2e 07513f9c ba385691 4143478d Jun 15 14:33:33 microwave kernel: 83752645 7e8ce2ef 2cbe5d36 ca3387ff b8334d4f 5887cd88 45a6c607 ed26e1b8 Jun 15 14:33:33 microwave kernel: Call Trace: [context_thread+283/416] [kernel_thread+40/56] Jun 15 14:33:33 microwave kernel: Jun 15 14:33:33 microwave kernel: Code: Bad EIP value. Jun 15 14:34:52 microwave kernel: <7>wlan0: AP queue full - dropping new message Jun 15 14:35:02 microwave kernel: wlan0: AP queue full - dropping new message Jun 15 14:35:40 microwave last message repeated 7 times Jun 15 14:36:46 microwave last message repeated 9 times Jun 15 14:37:38 microwave last message repeated 4 times Jun 15 14:38:20 microwave last message repeated 4 times --- Terry Hardie terry_at_net.com SHOUTip Engineering Product Manager ICQ#: 977679 net.com, 6530 Paseo Padre Parkway Mailstop #2207, Fremont, CA 94555, USA V: +1-510-574-2366