On Mon, Mar 16, 2009 at 07:12:06PM +0100, Johannes Berg wrote: > On Mon, 2009-03-16 at 19:03 +0100, Alina Friedrichsen wrote: > > > Me too, were you ever able to capture it? It scrolls off my screen :( > > > > Try "vga=9" as kernel command line option. On i386 and amd64 you > > should get a bigger text resolution with it. > > I already use vga=0x361 :) Which is nothing compared to the buffer provided with netconsole.. ;-) I would assume this skb_under_panic is the crash you are seeing. Though, for some reason, I managed to get two interfaces (wlan2 and wlan1_rename) when I first tried to reproduce the problem be ejecting the device and then re-inserting it, so this could be something else, too, or USB on that laptop does not always behave nicely.. ;-) [ 253.620359] usb 4-3: new high speed USB device using ehci_hcd and address 4 [ 253.757698] usb 4-3: configuration #1 chosen from 1 choice [ 253.873681] usb 4-3: reset high speed USB device using ehci_hcd and address 4 [ 254.036528] phy3: Selected rate control algorithm 'pid' [ 254.037063] zd1211rw 4-3:1.0: phy3 [ 260.302033] usb 4-3: firmware: requesting zd1211/zd1211b_ub [ 260.317397] usb 4-3: firmware: requesting zd1211/zd1211b_uphr [ 260.371225] zd1211rw 4-3:1.0: firmware version 4725 [ 260.411261] zd1211rw 4-3:1.0: zd1211b chip 0586:340f v4810 high 00-13-49 AL2230_RF pa0 g---S [ 260.438306] ADDRCONF(NETDEV_UP): wlan1_rename: link is not ready [ 278.345028] wlan1_rename: authenticate with AP 00:1a:9f:c9:60:96 [ 278.349033] wlan1_rename: authenticated [ 278.349056] wlan1_rename: associate with AP 00:1a:9f:c9:60:96 [ 278.357029] wlan1_rename: RX AssocResp from 00:1a:9f:c9:60:96 (capab=0x471 status=0 aid=1) [ 278.357029] wlan1_rename: associated [ 278.357029] phy3: Allocated STA 00:1a:9f:c9:60:96 [ 278.357029] phy3: Inserted STA 00:1a:9f:c9:60:96 [ 278.357029] wlan1_rename: switched to short barker preamble (BSSID=00:1a:9f:c9:60:96) [ 278.357029] wlan1_rename: switched to short slot time (BSSID=00:1a:9f:c9:60:96) [ 278.392780] ADDRCONF(NETDEV_CHANGE): wlan1_rename: link becomes ready [ 286.660675] usb 4-3: USB disconnect, address 4 [ 286.682479] wlan1_rename: deauthenticating by local choice (reason=3) [ 286.683540] skb_under_panic: text:ffffffffa03936da len:59 put:11 head:ffff88012cf59400 data:ffff88012cf593fa tail:0x35 end:0x80 dev:wmaster2 [ 286.683672] ------------[ cut here ]------------ [ 286.683709] kernel BUG at net/core/skbuff.c:143! [ 286.683744] invalid opcode: 0000 [#1] SMP [ 286.683829] last sysfs file: /sys/class/power_supply/BAT0/charge_full [ 286.683867] CPU 1 [ 286.683915] Modules linked in: aes_x86_64 aes_generic zd1211rw netconsole configfs af_packet ipv6 powernow_k8 cpufreq_powersave cpufreq_conservative cpufreq_ondemand freq_table cpufreq_userspace sbs sbshc fan container iptable_filter ip_tables x_tables sbp2 fuse dvb_usb_af9015 tda18271 af9013 dvb_pll snd_hda_codec_atihdmi mt2060 mxl5005s dvb_usb dvb_core qt1010 snd_hda_codec_idt arc4 snd_hda_intel ecb snd_hda_codec snd_pcm_oss snd_mixer_oss snd_seq_midi ath9k snd_pcm snd_rawmidi snd_seq_midi_event mac80211 snd_seq snd_timer snd_seq_device rfkill ohci1394 snd cfg80211 i2c_piix4 ehci_hcd sr_mod ohci_hcd ieee1394 r8169 mii soundcore led_class thermal pcspkr psmouse atiixp i2c_core cdrom sg usbcore snd_page_alloc video output rtc_cmos battery button ac processor thermal_sys shpchp pci_hotplug evdev [ 286.685066] Pid: 2133, comm: khubd Not tainted 2.6.29-rc7-wl #1 HP Pavilion dv5 Notebook PC [ 286.685066] RIP: 0010:[<ffffffff8043a3fa>] [<ffffffff8043a3fa>] skb_push+0x7a/0x80 [ 286.685066] RSP: 0018:ffff88013b1f9800 EFLAGS: 00010286 [ 286.685066] RAX: 0000000000000093 RBX: ffff880123407600 RCX: 0000000000000001 [ 286.685066] RDX: ffff8800a79a7000 RSI: 0000000000000001 RDI: ffffffff804cf808 [ 286.685066] RBP: ffff88013b1f9820 R08: 0000000000000002 R09: 0000000000000001 [ 286.685066] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000034 [ 286.685066] R13: ffff880123407600 R14: ffff880123407638 R15: ffff880135ed1760 [ 286.685066] FS: 00007fc515e73770(0000) GS:ffff88013f802a00(0000) knlGS:0000000000000000 [ 286.685066] CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b [ 286.685066] CR2: 00007fc514ea8098 CR3: 000000013e834000 CR4: 00000000000006e0 [ 286.685066] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 286.685066] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 286.685066] Process khubd (pid: 2133, threadinfo ffff88013b1f8000, task ffff88013b1ebb00) [ 286.685066] Stack: [ 286.685066] 0000000000000035 0000000000000080 ffff880123520000 ffff880135ed1760 [ 286.685066] ffff88013b1f9870 ffffffffa03936da ffff88013b1f9860 ffff880135ed0460 [ 286.685066] ffff88012cf59405 ffff880123407600 ffff880135ed0460 ffff88013b1f98d0 [ 286.685066] Call Trace: [ 286.685066] [<ffffffffa03936da>] zd_op_tx+0x4a/0x1f0 [zd1211rw] [ 286.685066] [<ffffffffa01c4abd>] __ieee80211_tx+0x4d/0x140 [mac80211] [ 286.685066] [<ffffffffa01c5c0f>] ieee80211_master_start_xmit+0x2ff/0x6d0 [mac80211] [ 286.685066] [<ffffffffa01c5b97>] ? ieee80211_master_start_xmit+0x287/0x6d0 [mac80211] [ 286.685392] [<ffffffff80443a65>] dev_hard_start_xmit+0x285/0x300 [ 286.685392] [<ffffffff804577f6>] __qdisc_run+0x236/0x280 [ 286.685392] [<ffffffff80443f18>] dev_queue_xmit+0x308/0x620 [ 286.685392] [<ffffffff80443c62>] ? dev_queue_xmit+0x52/0x620 [ 286.685392] [<ffffffffa01c7a11>] ieee80211_tx_skb+0x61/0x70 [mac80211] [ 286.685392] [<ffffffffa01b662f>] ieee80211_send_deauth_disassoc+0x12f/0x170 [mac80211] [ 286.685392] [<ffffffffa01b6b7f>] ieee80211_set_disassoc+0x21f/0x2f0 [mac80211] [ 286.685392] [<ffffffffa01b6960>] ? ieee80211_set_disassoc+0x0/0x2f0 [mac80211] [ 286.685392] [<ffffffffa01b351d>] ? __ieee80211_stop_tx_ba_session+0x4d/0xa0 [mac80211] [ 286.685392] [<ffffffffa01b6d1d>] ieee80211_sta_deauthenticate+0x5d/0x70 [mac80211] [ 286.685392] [<ffffffffa01ba57c>] ieee80211_stop+0x37c/0x630 [mac80211] [ 286.685392] [<ffffffffa01ba279>] ? ieee80211_stop+0x79/0x630 [mac80211] [ 286.685392] [<ffffffff804cf75f>] ? _spin_unlock_bh+0x2f/0x40 [ 286.685392] [<ffffffff8045711f>] ? dev_deactivate+0x18f/0x1d0 [ 286.685392] [<ffffffff8045713a>] ? dev_deactivate+0x1aa/0x1d0 [ 286.685392] [<ffffffff80444ae4>] dev_close+0x74/0xc0 [ 286.685392] [<ffffffff80444b75>] rollback_registered+0x45/0x250 [ 286.685392] [<ffffffff80444d9d>] unregister_netdevice+0x1d/0x70 [ 286.685392] [<ffffffffa01b9c9e>] ieee80211_remove_interfaces+0x7e/0xc0 [mac80211] [ 286.685392] [<ffffffffa01ac0c1>] ieee80211_unregister_hw+0x31/0xf0 [mac80211] [ 286.685392] [<ffffffffa0396e50>] disconnect+0x30/0x80 [zd1211rw] [ 286.685392] [<ffffffffa0084155>] usb_unbind_interface+0x65/0x170 [usbcore] [ 286.685392] [<ffffffff803d96c8>] __device_release_driver+0x78/0xc0 [ 286.685392] [<ffffffff803d980b>] device_release_driver+0x2b/0x40 [ 286.685392] [<ffffffff803d8b3d>] bus_remove_device+0xbd/0x100 [ 286.685392] [<ffffffff803d6ec0>] device_del+0x130/0x190 [ 286.685392] [<ffffffffa0080e18>] usb_disable_device+0xa8/0x130 [usbcore] [ 286.685392] [<ffffffffa007b9b3>] usb_disconnect+0xb3/0x130 [usbcore] [ 286.685392] [<ffffffffa007c92f>] hub_thread+0x4cf/0x13d0 [usbcore] [ 286.685392] [<ffffffff80264bed>] ? trace_hardirqs_on+0xd/0x10 [ 286.685392] [<ffffffff80254dd0>] ? autoremove_wake_function+0x0/0x40 [ 286.685392] [<ffffffffa007c460>] ? hub_thread+0x0/0x13d0 [usbcore] [ 286.685392] [<ffffffff80254a29>] kthread+0x49/0x80 [ 286.685392] [<ffffffff8020cafa>] child_rip+0xa/0x20 [ 286.685392] [<ffffffff8020c4fc>] ? restore_args+0x0/0x30 [ 286.685392] [<ffffffff802549e0>] ? kthread+0x0/0x80 [ 286.685392] [<ffffffff8020caf0>] ? child_rip+0x0/0x20 [ 286.685392] Code: 8b 57 68 48 89 44 24 10 8b 87 c8 00 00 00 48 89 44 24 08 8b bf c4 00 00 00 31 c0 48 89 3c 24 48 c7 c7 c8 e4 5d 80 e8 7a 1c 09 00 <0f> 0b eb fe 66 90 55 89 f1 48 89 e5 48 83 ec 20 44 8b 4f 6c 4c [ 286.685392] RIP [<ffffffff8043a3fa>] skb_push+0x7a/0x80 [ 286.685392] RSP <ffff88013b1f9800> [ 286.688534] ---[ end trace c004fb5735d74053 ]--- [ 286.688569] Kernel panic - not syncing: Fatal exception in interrupt -- Jouni Malinen PGP id EFC895FA -- 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
