From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peizhao Hu Date: Thu, 25 Nov 2010 13:57:46 +1000 Subject: [ath9k-devel] ath9k warning on AR9160 and AR9220 chipset with 2.6.36 kernel Message-ID: <4CEDDEBA.80701@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ath9k-devel@lists.ath9k.org Hi I am wondering whether this problem is due to the OpenWRT or an issue of the ATH9k. -----------[ cut here ]------------ WARNING: at /root/openwrt-svn-repo/routerStation/active_trunk/build_dir/linux-ar71xx_generic/compat-wireless-2010-11-20/drivers/net/wireless/ath/ath9k/recv.c:532 ath_stoprecv+0x90/0xa8 [ath9k]() Could not stop RX, we could be confusing the DMA engine when we start RX up Modules linked in: ath9k ath9k_common ath9k_hw mac80211 ath ohci_hcd ath_pci ath_hal(P) nf_nat_tftp nf_conntrack_tftp nf_nat_irc nf_conntrack_irc nf_nat_ftp nf_conntrack_ftp ipt_MASQUERADE iptable_nat nf_nat xt_NOTRACK iptable_raw xt_state nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack ehci_hcd ipt_REJECT xt_TCPMSS ipt_LOG xt_comment xt_multiport xt_mac xt_limit iptable_mangle iptable_filter ip_tables xt_tcpudp x_tables nfs loop lockd sunrpc usbcore nls_base crc_ccitt cfg80211 compat arc4 aes_generic deflate ecb cbc leds_gpio button_hotplug gpio_buttons input_polldev input_core [last unloaded: ath] Call Trace: [<800696cc>] dump_stack+0x8/0x34 [<8007dedc>] warn_slowpath_common+0x78/0xa4 [<8007df90>] warn_slowpath_fmt+0x2c/0x38 [<82d075b0>] ath_stoprecv+0x90/0xa8 [ath9k] [<82d04138>] ath_set_channel+0xa4/0x740 [ath9k] [<82d0503c>] ath_radio_enable+0x55c/0x680 [ath9k] [<82f45414>] ieee80211_scan_work+0x30c/0x524 [mac80211] [<800910bc>] process_one_work+0x2c0/0x460 [<80091d88>] worker_thread+0x240/0x434 [<80096a3c>] kthread+0x80/0x8c [<8006dde4>] kernel_thread_helper+0x10/0x18 ---[ end trace 5948ecf07cb92b59 ]--- ------------[ cut here ]------------ WARNING: at /root/openwrt-svn-repo/routerStationPro/trunk_23933/build_dir/linux-ar71xx_generic/compat-wireless-2010-11-20/drivers/net/wireless/ath/ath9k/recv.c:532 ath_stoprecv+0x90/0xa8 [ath9k]() Could not stop RX, we could be confusing the DMA engine when we start RX up Modules linked in: ath9k ath9k_common ath9k_hw mac80211 ath ohci_hcd ath_pci ath_hal(P) nf_nat_tftp nf_conntrack_tftp nf_nat_irc nf_conntrack_irc nf_nat_ftp nf_conntrack_ftp xt_string xt_layer7 xt_quota xt_pkttype xt_owner ipt_MASQUERADE iptable_nat nf_nat xt_NOTRACK iptable_raw xt_state nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack ehci_hcd ipt_REJECT xt_TCPMSS ipt_LOG xt_comment xt_multiport xt_mac xt_limit iptable_mangle iptable_filter ip_tables xt_tcpudp x_tables nfs loop lockd sunrpc usbcore ts_fsm ts_bm ts_kmp nls_base cfg80211 compat arc4 aes_generic deflate ecb cbc leds_gpio button_hotplug gpio_buttons input_polldev input_core [last unloaded: ath] Call Trace: [<800696cc>] dump_stack+0x8/0x34 [<8007df3c>] warn_slowpath_common+0x78/0xa4 [<8007dff0>] warn_slowpath_fmt+0x2c/0x38 [<869e75b0>] ath_stoprecv+0x90/0xa8 [ath9k] [<869e4138>] ath_set_channel+0xa4/0x740 [ath9k] [<869e503c>] ath_radio_enable+0x55c/0x680 [ath9k] [<87385414>] ieee80211_scan_work+0x30c/0x524 [mac80211] [<8009111c>] process_one_work+0x2c0/0x460 [<80091de8>] worker_thread+0x240/0x434 [<80096a9c>] kthread+0x80/0x8c [<8006dde4>] kernel_thread_helper+0x10/0x18 ---[ end trace d0a293f7237f639f ]--- regards Peizhao