From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Jones Subject: failure to find rate WARN_ON on iwlagn Date: Wed, 6 Jul 2011 11:11:28 -0400 Message-ID: <20110706151128.GB1425@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8BIT Cc: ilw@linux.intel.com To: netdev@vger.kernel.org Return-path: Received: from mx1.redhat.com ([209.132.183.28]:8844 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752572Ab1GFPLb convert rfc822-to-8bit (ORCPT ); Wed, 6 Jul 2011 11:11:31 -0400 Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: I just hit this trace 3 times on this hardware.. 04:00.0 Network controller: Intel Corporation Ultimate N WiFi Link 5300 Dave wlan0: authenticate with b8:c7:5d:0c:39:88 (try 1) wlan0: authenticate with b8:c7:5d:0c:39:88 (try 2) wlan0: authenticate with b8:c7:5d:0c:39:88 (try 3) wlan0: authentication with b8:c7:5d:0c:39:88 timed out ------------[ cut here ]------------ WARNING: at include/net/mac80211.h:3081 rate_control_send_low+0x8b/0x10f [mac80211]() Hardware name: Adamo 13 Modules linked in: sctp libcrc32c ip_queue can_raw cmtp kernelcapi rfcomm can_bcm hidp caif_socket caif af_802154 phonet af_rxrpc can pppoe pppox ppp_generic slhc irda crc_ccitt rds af_key decnet rose ax25 x25 atm appletalk ipx p8022 psnap llc p8023 tcp_lp nfs fscache fuse nfsd lockd nfs_acl auth_rpcgss sunrpc cpufreq_ondemand acpi_cpufreq freq_table mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables btusb bluetooth arc4 dell_wmi sparse_keymap snd_usb_audio snd_usbmidi_lib snd_rawmidi snd_hda_codec_hdmi snd_hda_codec_idt cdc_ether usbnet cdc_wdm mii snd_hda_intel snd_hda_codec snd_hwdep cdc_acm uvcvideo dell_laptop snd_seq microcode videodev v4l2_compat_ioctl32 dcdbas snd_seq_device snd_pcm iwlagn mac80211 iTCO_wdt tg3 cfg80211 pcspkr joydev i2c_i801 iTCO_vendor_ support rfkill snd_timer snd soundcore snd_page_alloc wmi virtio_net kvm_intel kvm ipv6 xts gf128mul dm_crypt i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] Pid: 0, comm: swapper Not tainted 3.0.0-rc5+ #89 Call Trace: [] warn_slowpath_common+0x83/0x9b [] warn_slowpath_null+0x1a/0x1c [] rate_control_send_low+0x8b/0x10f [mac80211] [] rs_get_rate+0x138/0x215 [iwlagn] [] rate_control_get_rate+0x86/0x14c [mac80211] [] ? _raw_spin_unlock_irqrestore+0x6c/0x7a [] invoke_tx_handlers+0x8f3/0xf47 [mac80211] [] ? compare_ether_addr+0x2c/0x2c [mac80211] [] ? __slab_alloc+0x399/0x3b4 [] ieee80211_tx+0x7f/0xaf [mac80211] [] ieee80211_xmit+0x186/0x19a [mac80211] [] ? __local_bh_disable+0x8c/0xbe [] ieee80211_tx_skb+0x56/0x5e [mac80211] [] ieee80211_send_bar+0xda/0xe9 [mac80211] [] ieee80211_tx_status+0x25c/0x808 [mac80211] [] ? _raw_spin_unlock_irqrestore+0x5e/0x7a [] ieee80211_tasklet_handler+0x5b/0xa8 [mac80211] [] tasklet_action+0x93/0xf3 [] __do_softirq+0x10f/0x257 [] call_softirq+0x1c/0x30 [] do_softirq+0x4b/0xa1 [] irq_exit+0x5d/0xb5 [] do_IRQ+0x8d/0xa4 [] common_interrupt+0x13/0x13 [] ? notifier_call_chain+0xbb/0xbb [] ? arch_local_irq_enable+0x8/0xd [] ? trace_hardirqs_on+0xd/0xf [] acpi_idle_enter_c1+0xa0/0xbe [] cpuidle_idle_call+0x10c/0x1eb [] cpu_idle+0xe3/0x143 [] ? start_kernel+0x401/0x40c [] rest_init+0xd5/0xdc [] ? csum_partial_copy_generic+0x16c/0x16c [] start_kernel+0x401/0x40c [] x86_64_start_reservations+0xaf/0xb3 [] ? early_idt_handlers+0x140/0x140 [] x86_64_start_kernel+0x102/0x111 ---[ end trace ab18f52dc63f6394 ]---