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Date: Wed, 6 Jul 2011 11:11:28 -0400 From: Dave Jones <davej@...hat.com> To: netdev@...r.kernel.org Cc: ilw@...ux.intel.com Subject: failure to find rate WARN_ON on iwlagn 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: <IRQ> [<ffffffff8105acfc>] warn_slowpath_common+0x83/0x9b [<ffffffff8105ad2e>] warn_slowpath_null+0x1a/0x1c [<ffffffffa0252b17>] rate_control_send_low+0x8b/0x10f [mac80211] [<ffffffffa0291c59>] rs_get_rate+0x138/0x215 [iwlagn] [<ffffffffa0252fcf>] rate_control_get_rate+0x86/0x14c [mac80211] [<ffffffff814cf60e>] ? _raw_spin_unlock_irqrestore+0x6c/0x7a [<ffffffffa025bde1>] invoke_tx_handlers+0x8f3/0xf47 [mac80211] [<ffffffffa025a4f0>] ? compare_ether_addr+0x2c/0x2c [mac80211] [<ffffffff814c818e>] ? __slab_alloc+0x399/0x3b4 [<ffffffffa025c4b4>] ieee80211_tx+0x7f/0xaf [mac80211] [<ffffffffa025c66a>] ieee80211_xmit+0x186/0x19a [mac80211] [<ffffffff81060d3f>] ? __local_bh_disable+0x8c/0xbe [<ffffffffa025d5dc>] ieee80211_tx_skb+0x56/0x5e [mac80211] [<ffffffffa02493c3>] ieee80211_send_bar+0xda/0xe9 [mac80211] [<ffffffffa0243928>] ieee80211_tx_status+0x25c/0x808 [mac80211] [<ffffffff814cf600>] ? _raw_spin_unlock_irqrestore+0x5e/0x7a [<ffffffffa0242d12>] ieee80211_tasklet_handler+0x5b/0xa8 [mac80211] [<ffffffff81061311>] tasklet_action+0x93/0xf3 [<ffffffff810614ba>] __do_softirq+0x10f/0x257 [<ffffffff814d6bdc>] call_softirq+0x1c/0x30 [<ffffffff8100bcaa>] do_softirq+0x4b/0xa1 [<ffffffff8106189d>] irq_exit+0x5d/0xb5 [<ffffffff814d747d>] do_IRQ+0x8d/0xa4 [<ffffffff814cfc13>] common_interrupt+0x13/0x13 <EOI> [<ffffffff814d29f7>] ? notifier_call_chain+0xbb/0xbb [<ffffffff812e11c3>] ? arch_local_irq_enable+0x8/0xd [<ffffffff8108e2a8>] ? trace_hardirqs_on+0xd/0xf [<ffffffff812e1d80>] acpi_idle_enter_c1+0xa0/0xbe [<ffffffff813e0acb>] cpuidle_idle_call+0x10c/0x1eb [<ffffffff81009323>] cpu_idle+0xe3/0x143 [<ffffffff81d3dbc2>] ? start_kernel+0x401/0x40c [<ffffffff814abc71>] rest_init+0xd5/0xdc [<ffffffff814abb9c>] ? csum_partial_copy_generic+0x16c/0x16c [<ffffffff81d3dbc2>] start_kernel+0x401/0x40c [<ffffffff81d3d2c4>] x86_64_start_reservations+0xaf/0xb3 [<ffffffff81d3d140>] ? early_idt_handlers+0x140/0x140 [<ffffffff81d3d3ca>] x86_64_start_kernel+0x102/0x111 ---[ end trace ab18f52dc63f6394 ]--- -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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