Public bug reported: My wlan1 interface relates to a ASUS PCE-N15 card ("RTL8188CE 802.11b/g/n WiFi Adapter", managed by the rtl8192ce kernel module).
I have this /etc/network/interfaces config for this card: iface wlan1 inet dhcp wireless-essid $ESSID wireless-key $WEP-key When I tried to connect using "sudo ifup -v wlan1", the connection to the access point was not established. Using dmesg, I see some warning related to "warn_slowpath_common". Could not reproduce these messages though ... 63881.908834] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [63881.914345] ------------[ cut here ]------------ [63881.914377] WARNING: at /build/buildd/linux-3.8.0/net/mac80211/tx.c:766 invoke_tx_handlers+0x881/0x1560 [mac80211]() [63881.914380] Hardware name: MS-7636 [63881.914382] Modules linked in: rtllib_crypt_tkip(C) rtllib_crypt_ccmp(C) lib80211 carl9170 ath rtl8192ce joydev(F) arc4(F) rtlwifi rtl8192c_common usblp mac80211 snd_hda_codec_hdmi cfg80211 kvm_intel kvm btusb parport_pc(F) ppdev(F) snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_seq_midi(F) snd_hwdep(F) snd_seq_midi_event(F) snd_pcm(F) snd_rawmidi(F) snd_page_alloc(F) gpio_ich snd_seq(F) snd_seq_device(F) snd_timer(F) mac_hid snd(F) nvidia(POF) i7core_edac edac_core serio_raw(F) mei microcode(F) soundcore(F) lpc_ich dm_multipath(F) scsi_dh(F) f71882fg rfcomm coretemp bnep binfmt_misc(F) bluetooth lp(F) parport(F) dm_crypt(F) raid10(F) raid456(F) async_memcpy(F) async_raid6_recov(F) async_pq(F) async_xor(F) async_tx(F) raid6_pq(F) raid0(F) multipath(F) linear(F) dm_raid45 xor(F) dm_mirror(F) dm_region_hash(F) dm_log(F) usb_storage(F) pata_acpi raid1(F) hid_generic usbhid hid r8169 pata_jmicron [last unloaded: rtl8192ce] [63881.914466] Pid: 1998, comm: Xorg Tainted: PF CIO 3.8.0-19-generic #30-Ubuntu [63881.914468] Call Trace: [63881.914471] <IRQ> [<ffffffff810587ef>] warn_slowpath_common+0x7f/0xc0 [63881.914483] [<ffffffff8105884a>] warn_slowpath_null+0x1a/0x20 [63881.914504] [<ffffffffa0f00cb1>] invoke_tx_handlers+0x881/0x1560 [mac80211] [63881.914633] [<ffffffffa02f3100>] ? _nv018283rm+0x17c/0x1eb [nvidia] [63881.914748] [<ffffffffa02f3301>] ? _nv018286rm+0x18/0x78 [nvidia] [63881.914771] [<ffffffffa0f01b0e>] ieee80211_tx+0x7e/0x100 [mac80211] [63881.914793] [<ffffffffa0f01c3a>] ieee80211_xmit+0xaa/0x100 [mac80211] [63881.914814] [<ffffffffa0f02405>] ieee80211_subif_start_xmit+0x445/0xe80 [mac80211] [63881.914822] [<ffffffff815ca4b8>] dev_hard_start_xmit+0x278/0x4f0 [63881.914828] [<ffffffff815e737e>] sch_direct_xmit+0x10e/0x1e0 [63881.914833] [<ffffffff815cab37>] dev_queue_xmit+0x177/0x440 [63881.914838] [<ffffffff815d2625>] neigh_resolve_output+0x125/0x200 [63881.914844] [<ffffffff8165cb3c>] ip6_finish_output2+0x8c/0x360 [63881.914848] [<ffffffff8165fc18>] ip6_finish_output+0x98/0xc0 [63881.914853] [<ffffffff8165fc7c>] ip6_output+0x3c/0xb0 [63881.914858] [<ffffffff8167e851>] mld_sendpack+0x171/0x2b0 [63881.914863] [<ffffffff8167fe34>] mld_ifc_timer_expire+0x194/0x280 [63881.914868] [<ffffffff8167fca0>] ? igmp6_mcf_seq_start+0x150/0x150 [63881.914874] [<ffffffff81068116>] call_timer_fn+0x36/0x110 [63881.914878] [<ffffffff8167fca0>] ? igmp6_mcf_seq_start+0x150/0x150 [63881.914883] [<ffffffff81069d46>] run_timer_softirq+0x1f6/0x2a0 [63881.914889] [<ffffffff81060f0f>] __do_softirq+0xcf/0x200 [63881.914895] [<ffffffff816d4c5c>] call_softirq+0x1c/0x30 [63881.914902] [<ffffffff81016555>] do_softirq+0x75/0xb0 [63881.914906] [<ffffffff810611a5>] irq_exit+0xa5/0xb0 [63881.914911] [<ffffffff816d54f3>] do_IRQ+0x63/0xe0 [63881.914916] [<ffffffff816cb4ed>] common_interrupt+0x6d/0x6d [63881.914918] <EOI> [63881.914921] ---[ end trace d9e55971fc8c71c9 ]--- [63881.914924] ------------[ cut here ]------------ [63881.914944] WARNING: at /build/buildd/linux-3.8.0/net/mac80211/tx.c:55 invoke_tx_handlers+0xe30/0x1560 [mac80211]() [63881.914947] Hardware name: MS-7636 [63881.914948] Modules linked in: rtllib_crypt_tkip(C) rtllib_crypt_ccmp(C) lib80211 carl9170 ath rtl8192ce joydev(F) arc4(F) rtlwifi rtl8192c_common usblp mac80211 snd_hda_codec_hdmi cfg80211 kvm_intel kvm btusb parport_pc(F) ppdev(F) snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_seq_midi(F) snd_hwdep(F) snd_seq_midi_event(F) snd_pcm(F) snd_rawmidi(F) snd_page_alloc(F) gpio_ich snd_seq(F) snd_seq_device(F) snd_timer(F) mac_hid snd(F) nvidia(POF) i7core_edac edac_core serio_raw(F) mei microcode(F) soundcore(F) lpc_ich dm_multipath(F) scsi_dh(F) f71882fg rfcomm coretemp bnep binfmt_misc(F) bluetooth lp(F) parport(F) dm_crypt(F) raid10(F) raid456(F) async_memcpy(F) async_raid6_recov(F) async_pq(F) async_xor(F) async_tx(F) raid6_pq(F) raid0(F) multipath(F) linear(F) dm_raid45 xor(F) dm_mirror(F) dm_region_hash(F) dm_log(F) usb_storage(F) pata_acpi raid1(F) hid_generic usbhid hid r8169 pata_jmicron [last unloaded: rtl8192ce] [63881.915021] Pid: 1998, comm: Xorg Tainted: PF WCIO 3.8.0-19-generic #30-Ubuntu [63881.915023] Call Trace: [63881.915025] <IRQ> [<ffffffff810587ef>] warn_slowpath_common+0x7f/0xc0 [63881.915033] [<ffffffff8105884a>] warn_slowpath_null+0x1a/0x20 [63881.915053] [<ffffffffa0f01260>] invoke_tx_handlers+0xe30/0x1560 [mac80211] [63881.915169] [<ffffffffa02f3100>] ? _nv018283rm+0x17c/0x1eb [nvidia] [63881.915191] [<ffffffffa0f01b0e>] ieee80211_tx+0x7e/0x100 [mac80211] [63881.915212] [<ffffffffa0f01c3a>] ieee80211_xmit+0xaa/0x100 [mac80211] [63881.915233] [<ffffffffa0f02405>] ieee80211_subif_start_xmit+0x445/0xe80 [mac80211] [63881.915240] [<ffffffff815ca4b8>] dev_hard_start_xmit+0x278/0x4f0 [63881.915246] [<ffffffff815e737e>] sch_direct_xmit+0x10e/0x1e0 [63881.915250] [<ffffffff815cab37>] dev_queue_xmit+0x177/0x440 [63881.915255] [<ffffffff815d2625>] neigh_resolve_output+0x125/0x200 [63881.915260] [<ffffffff8165cb3c>] ip6_finish_output2+0x8c/0x360 [63881.915265] [<ffffffff8165fc18>] ip6_finish_output+0x98/0xc0 [63881.915270] [<ffffffff8165fc7c>] ip6_output+0x3c/0xb0 [63881.915274] [<ffffffff8167e851>] mld_sendpack+0x171/0x2b0 [63881.915279] [<ffffffff8167fe34>] mld_ifc_timer_expire+0x194/0x280 [63881.915284] [<ffffffff8167fca0>] ? igmp6_mcf_seq_start+0x150/0x150 [63881.915289] [<ffffffff81068116>] call_timer_fn+0x36/0x110 [63881.915293] [<ffffffff8167fca0>] ? igmp6_mcf_seq_start+0x150/0x150 [63881.915298] [<ffffffff81069d46>] run_timer_softirq+0x1f6/0x2a0 [63881.915304] [<ffffffff81060f0f>] __do_softirq+0xcf/0x200 [63881.915308] [<ffffffff816d4c5c>] call_softirq+0x1c/0x30 [63881.915314] [<ffffffff81016555>] do_softirq+0x75/0xb0 [63881.915318] [<ffffffff810611a5>] irq_exit+0xa5/0xb0 [63881.915323] [<ffffffff816d54f3>] do_IRQ+0x63/0xe0 [63881.915327] [<ffffffff816cb4ed>] common_interrupt+0x6d/0x6d [63881.915329] <EOI> [63881.915332] ---[ end trace d9e55971fc8c71ca ]--- [63881.915339] ------------[ cut here ]------------ [63881.915347] WARNING: at /build/buildd/linux-3.8.0/include/net/mac80211.h:1554 rtl_get_tcb_desc+0x40c/0x590 [rtlwifi]() [63881.915349] Hardware name: MS-7636 [63881.915351] Modules linked in: rtllib_crypt_tkip(C) rtllib_crypt_ccmp(C) lib80211 carl9170 ath rtl8192ce joydev(F) arc4(F) rtlwifi rtl8192c_common usblp mac80211 snd_hda_codec_hdmi cfg80211 kvm_intel kvm btusb parport_pc(F) ppdev(F) snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_seq_midi(F) snd_hwdep(F) snd_seq_midi_event(F) snd_pcm(F) snd_rawmidi(F) snd_page_alloc(F) gpio_ich snd_seq(F) snd_seq_device(F) snd_timer(F) mac_hid snd(F) nvidia(POF) i7core_edac edac_core serio_raw(F) mei microcode(F) soundcore(F) lpc_ich dm_multipath(F) scsi_dh(F) f71882fg rfcomm coretemp bnep binfmt_misc(F) bluetooth lp(F) parport(F) dm_crypt(F) raid10(F) raid456(F) async_memcpy(F) async_raid6_recov(F) async_pq(F) async_xor(F) async_tx(F) raid6_pq(F) raid0(F) multipath(F) linear(F) dm_raid45 xor(F) dm_mirror(F) dm_region_hash(F) dm_log(F) usb_storage(F) pata_acpi raid1(F) hid_generic usbhid hid r8169 pata_jmicron [last unloaded: rtl8192ce] [63881.915423] Pid: 1998, comm: Xorg Tainted: PF WCIO 3.8.0-19-generic #30-Ubuntu [63881.915425] Call Trace: [63881.915427] <IRQ> [<ffffffff810587ef>] warn_slowpath_common+0x7f/0xc0 [63881.915435] [<ffffffff8105884a>] warn_slowpath_null+0x1a/0x20 [63881.915442] [<ffffffffa01c79ac>] rtl_get_tcb_desc+0x40c/0x590 [rtlwifi] [63881.915449] [<ffffffffa027f6b4>] rtl92ce_tx_fill_desc+0x1c4/0x740 [rtl8192ce] [63881.915455] [<ffffffff81363f60>] ? swiotlb_map_sg+0x10/0x10 [63881.915464] [<ffffffffa01cec14>] rtl_pci_tx+0x194/0x410 [rtlwifi] [63881.915472] [<ffffffffa01ca68e>] rtl_op_tx+0xae/0xb0 [rtlwifi] [63881.915493] [<ffffffffa0eff855>] __ieee80211_tx+0x125/0x350 [mac80211] [63881.915514] [<ffffffffa0f01b5f>] ieee80211_tx+0xcf/0x100 [mac80211] [63881.915535] [<ffffffffa0f01c3a>] ieee80211_xmit+0xaa/0x100 [mac80211] [63881.915556] [<ffffffffa0f02405>] ieee80211_subif_start_xmit+0x445/0xe80 [mac80211] [63881.915562] [<ffffffff815ca4b8>] dev_hard_start_xmit+0x278/0x4f0 [63881.915568] [<ffffffff815e737e>] sch_direct_xmit+0x10e/0x1e0 [63881.915572] [<ffffffff815cab37>] dev_queue_xmit+0x177/0x440 [63881.915577] [<ffffffff815d2625>] neigh_resolve_output+0x125/0x200 [63881.915582] [<ffffffff8165cb3c>] ip6_finish_output2+0x8c/0x360 [63881.915587] [<ffffffff8165fc18>] ip6_finish_output+0x98/0xc0 [63881.915592] [<ffffffff8165fc7c>] ip6_output+0x3c/0xb0 [63881.915596] [<ffffffff8167e851>] mld_sendpack+0x171/0x2b0 [63881.915601] [<ffffffff8167fe34>] mld_ifc_timer_expire+0x194/0x280 [63881.915606] [<ffffffff8167fca0>] ? igmp6_mcf_seq_start+0x150/0x150 [63881.915610] [<ffffffff81068116>] call_timer_fn+0x36/0x110 [63881.915614] [<ffffffff8167fca0>] ? igmp6_mcf_seq_start+0x150/0x150 [63881.915619] [<ffffffff81069d46>] run_timer_softirq+0x1f6/0x2a0 [63881.915624] [<ffffffff81060f0f>] __do_softirq+0xcf/0x200 [63881.915629] [<ffffffff816d4c5c>] call_softirq+0x1c/0x30 [63881.915634] [<ffffffff81016555>] do_softirq+0x75/0xb0 [63881.915639] [<ffffffff810611a5>] irq_exit+0xa5/0xb0 [63881.915643] [<ffffffff816d54f3>] do_IRQ+0x63/0xe0 [63881.915647] [<ffffffff816cb4ed>] common_interrupt+0x6d/0x6d [63881.915649] <EOI> [63881.915652] ---[ end trace d9e55971fc8c71cb ]--- ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: linux-image-extra-3.8.0-19-generic 3.8.0-19.30 ProcVersionSignature: Ubuntu 3.8.0-19.30-generic 3.8.8 Uname: Linux 3.8.0-19-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.9.2-0ubuntu8 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: jens 3829 F.... pulseaudio CRDA: country DE: (2400 - 2483 @ 40), (N/A, 20) (5150 - 5250 @ 40), (N/A, 20), NO-OUTDOOR (5250 - 5350 @ 40), (N/A, 20), NO-OUTDOOR, DFS (5470 - 5725 @ 40), (N/A, 26), DFS Date: Thu May 9 20:55:51 2013 HibernationDevice: RESUME=UUID=e107f0f3-954d-4e76-a24a-12956cf3df04 MachineType: MSI MS-7636 MarkForUpload: True ProcEnviron: LANGUAGE= TERM=xterm PATH=(custom, no user) LANG=de_DE.UTF-8 SHELL=/bin/bash ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.8.0-19-generic root=/dev/mapper/encrypted--container-rootfs ro quiet splash PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-3.8.0-19-generic N/A linux-backports-modules-3.8.0-19-generic N/A linux-firmware 1.106 SourcePackage: linux StagingDrivers: rtllib_crypt_tkip rtllib_crypt_ccmp UpgradeStatus: Upgraded to raring on 2013-05-05 (4 days ago) dmi.bios.date: 01/08/2010 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: V1.4 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: H55M-E33(MS-7636) dmi.board.vendor: MSI dmi.board.version: 1.0 dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: MSI dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV1.4:bd01/08/2010:svnMSI:pnMS-7636:pvr1.0:rvnMSI:rnH55M-E33(MS-7636):rvr1.0:cvnMSI:ct3:cvr1.0: dmi.product.name: MS-7636 dmi.product.version: 1.0 dmi.sys.vendor: MSI ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug raring staging -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1178385 Title: When trying to connect to an AP using an ASUS PCE-N15 wireless card, the kernel prints "warn_slowpath_common" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1178385/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs