The reason about failure of scanning is that Kernel bug with scan complete function as like: =================================================================== in_atomic(): 1, irqs_disabled(): 0, pid: 4704, name: ksdioirqd/mmc1 [<c003d484>] (unwind_backtrace+0x0/0xf8) from [<c00c8648>] (__kmalloc+0x104/0x184) [<c00c8648>] (__kmalloc+0x104/0x184) from [<c033cb58>] (cfg80211_inform_bss_frame+0x64/0x1f4) [<c033cb58>] (cfg80211_inform_bss_frame+0x64/0x1f4) from [<bf05c908>] (ar6k_cfg80211_scan_node+0xcc/0x138 [ath6kl]) [<bf05c908>] (ar6k_cfg80211_scan_node+0xcc/0x138 [ath6kl]) from [<bf072e58>] (wlan_iterate_nodes+0x5c/0x94 [ath6kl]) [<bf072e58>] (wlan_iterate_nodes+0x5c/0x94 [ath6kl]) from [<bf05d0e8>] (ar6k_cfg80211_scanComplete_event+0x5c/0x104 [ath6kl]) [<bf05d0e8>] (ar6k_cfg80211_scanComplete_event+0x5c/0x104 [ath6kl]) from [<bf0627b8>] (ar6000_scanComplete_event+0x14/0xa8 [ath6kl]) [<bf0627b8>] (ar6000_scanComplete_event+0x14/0xa8 [ath6kl]) from [<bf06f564>] (wmi_control_rx+0xdf4/0x22d8 [ath6kl]) [<bf06f564>] (wmi_control_rx+0xdf4/0x22d8 [ath6kl]) from [<bf0615d0>] (ar6000_rx+0x300/0x604 [ath6kl]) [<bf0615d0>] (ar6000_rx+0x300/0x604 [ath6kl]) from [<bf0542f8>] (DoRecvCompletion+0xc4/0x104 [ath6kl]) [<bf0542f8>] (DoRecvCompletion+0xc4/0x104 [ath6kl]) from [<bf055cf8>] (HTCRecvMessagePendingHandler+0xca8/0x1370 [ath6kl]) [<bf055cf8>] (HTCRecvMessagePendingHandler+0xca8/0x1370 [ath6kl]) from [<bf051d34>] (DevDsrHandler+0x198/0x72c [ath6kl]) [<bf051d34>] (DevDsrHandler+0x198/0x72c [ath6kl]) from [<bf073750>] (hifIRQHandler+0x50/0xdc [ath6kl]) [<bf073750>] (hifIRQHandler+0x50/0xdc [ath6kl]) from [<c0263dd8>] (sdio_irq_thread+0xac/0x2a0) ====================================================================== If anyone give me any advice, that would be great!! Thanks Sangwook On 17 August 2011 16:51, Sangwook Lee <sangwook.lee@xxxxxxxxxx> wrote: > Hello > > I am using customised board using AR6003 WLAN. > After running insmod ath6kl.ko, ifconfig up and then iwconfig scan as > like the following, > It seems not to work. > > ath6kl driver : > from 3.0 staging directory. > Firmware images : > from http://www.kernel.org/pub/linux/kernel/people/mcgrof/firmware/ath6k.tar.gz > Log message: > -------------------------Start of Log > --------------------------------------------- > root@linaro-alip:~# insmod ath6kl.ko > ath6kl: module is from the staging directory, the quality is unknown, > you have been warned. > BUG: spinlock bad magic on CPU#1, insmod/4686 > lock: bf08683c, .magic: 00000000, .owner: insmod/4686, .owner_cpu: 1 > [<c003d484>] (unwind_backtrace+0x0/0xf8) from [<c0191a8c>] > (do_raw_spin_unlock+0x84/0xc4) > [<c0191a8c>] (do_raw_spin_unlock+0x84/0xc4) from [<c035b9fc>] > (_raw_spin_unlock+0x8/0x30) > [<c035b9fc>] (_raw_spin_unlock+0x8/0x30) from [<bf0950e0>] > (ar6000_init_module+0xe0/0x1a0 [ath6kl) > [<bf0950e0>] (ar6000_init_module+0xe0/0x1a0 [ath6kl]) from > [<c003167c>] (do_one_initcall+0x34/0x1) > [<c003167c>] (do_one_initcall+0x34/0x174) from [<c008bee8>] > (sys_init_module+0xf0/0x19c0) > [<c008bee8>] (sys_init_module+0xf0/0x19c0) from [<c0037040>] > (ret_fast_syscall+0x0/0x30) > root@linaro-alip:~# mmc1: queuing unknown CIS tuple 0x01 (3 bytes) > mmc1: queuing unknown CIS tuple 0x1a (5 bytes) > mmc1: queuing unknown CIS tuple 0x1b (8 bytes) > mmc1: queuing unknown CIS tuple 0x14 (0 bytes) > mmc1: queuing unknown CIS tuple 0x80 (1 bytes) > mmc1: queuing unknown CIS tuple 0x81 (1 bytes) > mmc1: queuing unknown CIS tuple 0x82 (1 bytes) > mmc1: new high speed SDIO card at address 0001 > AR6000: Unsupported configuration opcode: 3 > AR6000: Unsupported configuration opcode: 3 > HIF Interrupt processing is SYNC ONLY > AR6000: Unsupported configuration opcode: 7 > AR6000: Unsupported configuration opcode: 5 > In aggr_init.. > going out of aggr_init..status OK > AR6K: Temporary WAR to avoid SDIO CRC error > ar6000_init() Got WMI @ 0xed2b1c00. > Target Ready: credits: 11 credit size: 1664 > HIF-SCATTER Enabled: max scatter req : 4 entries: 16 > AR6K: HIF layer supports scatter requests (max scatter items:16: maxlen:32768) > AR6K: max recv: 32768 max send: 12288 > ar6000_init() WMI is ready > wmi_control_rx() : Unknown id 0x101e > AR6000 Reg Code = 0x61 > ar6000: Multicast filter not supported > ar6000: Multicast filter not supported > ar6000: Multicast filter not supported > ADDRCONF(NETDEV_UP): wlan0: link is not ready > > root@linaro-alip:~# ifconfig wlan0 up > ar6000: Multicast filter not supported > root@linaro-alip:~# iwlist wlan0 scan > wlan0 Interface doesn't support scanning : Device or resource busy > > ------------------------------End of log -------------------------------------- > > One more, my board is using 26Mhz for WLAN. which source code or > configuration file do I put this > information into ? > > Thanks > Sangwook > -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
