On Mon, 2008-10-20 at 11:59 +0200, Michael Buesch wrote: > On Monday 20 October 2008 11:29:37 Daniel Gimpelevich wrote: > > Using the compat-wireless-old-2008-10-19.tar.bz2 tarball with Ubuntu > > Hardy's 2.6.24-21-generic kernel, anytime any USB wi-fi device is > > unplugged, regardless of anything else, the kernel panics. I have > > confirmed this to occur with a zd1211b device, an rt73 device, and an > > rtl8187b device. This is especially inconvenient in the rtl8187b case, > > because after some time, that driver inexplicably stops passing any > > traffic, seemingly triggered by HTTPS access in Firefox. The panic from > > removing the rtl8187b device is attached inline, and similar backtraces > > result from removing the rt73 or the zd1211b. > > Any chance you can post a backtrace for zd1211? > I reported a crash-on-pull issue earlier. Just want to check if this is > a different one or the same. Not sure whether you're still interested, but here it is.
[ 265.945415] usb 1-2: USB disconnect, address 2 [ 265.972937] BUG: unable to handle kernel NULL pointer dereference at virtual address 0000001c [ 265.981654] printing eip: c02bca16 *pde = 00000000 [ 265.986632] Oops: 0000 [#1] SMP [ 265.989927] Modules linked in: arc4 ecb blkcipher zd1211rw mac80211 cfg80211 savagefb fb_ddc i2c_algo_bit vgastate iptable_filter ip_tables x_tables omnibook video output sbs sbshc dock lp loop joydev pcmcia snd_maestro3 snd_ac97_codec ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_page_alloc container snd_seq_dummy serio_raw battery ac button snd_seq_oss snd_seq_midi snd_rawmidi evdev snd_seq_midi_event parport_pc parport snd_seq intel_agp i2c_piix4 snd_timer snd_seq_device shpchp agpgart i2c_core yenta_socket rsrc_nonstatic pcmcia_core pci_hotplug snd soundcore psmouse pcspkr jfs sg sr_mod cdrom sd_mod pata_acpi floppy uhci_hcd tulip usbcore ata_piix ata_generic libata scsi_mod thermal processor fan fbcon tileblit font bitblit softcursor fuse [ 266.057717] [ 266.059236] Pid: 1501, comm: khubd Not tainted (2.6.24-21-generic #1) [ 266.065723] EIP: 0060:[<c02bca16>] EFLAGS: 00010286 CPU: 0 [ 266.071274] EIP is at tcf_destroy+0x6/0x20 [ 266.075409] EAX: cefa9884 EBX: cefa9884 ECX: 00000296 EDX: 00000000 [ 266.081721] ESI: cefa9880 EDI: ce214180 EBP: 00000000 ESP: cf9e5e40 [ 266.088033] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 266.093474] Process khubd (pid: 1501, ti=cf9e4000 task=cdf19700 task.ti=cf9e4000) [ 266.100821] Stack: 00000000 c02bca40 cefa9800 d0d14eef cefa9800 d0d337a0 ce8b0a00 c02bb2ea [ 266.109394] ce460800 ce214180 c02bb34a 00000000 00000001 cf9e5e74 cf9e5e74 ce460800 [ 266.117965] c02a9e39 d0d0a8d8 00000000 00000000 ce8b0a5c ce460800 c02a9ee8 ce214180 [ 266.126537] Call Trace: [ 266.129216] [<c02bca40>] tcf_destroy_chain+0x10/0x20 [ 266.134335] [<d0d14eef>] wme_qdiscop_destroy+0x2f/0x80 [mac80211] [ 266.140698] [<c02bb2ea>] qdisc_destroy+0x6a/0xa0 [ 266.145470] [<c02bb34a>] dev_shutdown+0x2a/0x80 [ 266.150158] [<c02a9e39>] rollback_registered+0x99/0x140 [ 266.155538] [<d0d0a8d8>] ieee80211_remove_interfaces+0x48/0x80 [mac80211] [ 266.162521] [<c02a9ee8>] unregister_netdevice+0x8/0x50 [ 266.167816] [<d0cfd720>] ieee80211_unregister_hw+0x30/0xd0 [mac80211] [ 266.174443] [<d0d399b4>] disconnect+0x24/0x70 [zd1211rw] [ 266.179947] [<d08ef7d0>] usb_unbind_interface+0x50/0xb0 [usbcore] [ 266.186298] [<c0282744>] __device_release_driver+0x64/0xa0 [ 266.191957] [<c0282bb3>] device_release_driver+0x23/0x40 [ 266.197423] [<c028201b>] bus_remove_device+0x4b/0x70 [ 266.202541] [<c02805f5>] device_del+0x135/0x250 [ 266.207228] [<d08ec910>] usb_disable_device+0x80/0xf0 [usbcore] [ 266.213340] [<d08e84e8>] usb_disconnect+0x98/0x130 [usbcore] [ 266.219196] [<d08e9977>] hub_thread+0x447/0xcb0 [usbcore] [ 266.224781] [<c0217fee>] rb_erase+0x15e/0x280 [ 266.229330] [<c0140b60>] autoremove_wake_function+0x0/0x40 [ 266.234988] [<d08e9530>] hub_thread+0x0/0xcb0 [usbcore] [ 266.240397] [<c01408a2>] kthread+0x42/0x70 [ 266.244637] [<c0140860>] kthread+0x0/0x70 [ 266.248794] [<c0105667>] kernel_thread_helper+0x7/0x10 [ 266.254100] ======================= [ 266.257708] Code: c5 74 ec 8b 4c 24 18 89 c2 89 d8 89 34 24 ff 17 89 ea 89 c6 89 d8 ff 57 10 eb b0 8d 76 00 8d bc 27 00 00 00 00 53 8b 50 20 89 c3 <ff> 52 1c 8b 43 20 8b 40 38 e8 fc 39 e9 ff 89 d8 5b e9 e4 0f ed [ 266.277813] EIP: [<c02bca16>] tcf_destroy+0x6/0x20 SS:ESP 0068:cf9e5e40 [ 266.284544] BUG: scheduling while atomic: khubd/1501/0x00000100 [ 266.290516] Pid: 1501, comm: khubd Not tainted 2.6.24-21-generic #1 [ 266.296839] [<c031aee3>] schedule+0x553/0x600 [ 266.301382] [<c013632d>] __mod_timer+0x9d/0xb0 [ 266.305991] [<c031b27a>] schedule_timeout+0x4a/0xd0 [ 266.311035] [<c0135e50>] process_timeout+0x0/0x10 [ 266.315897] [<c031b275>] schedule_timeout+0x45/0xd0 [ 266.320942] [<c0254020>] acpi_ec_wait+0xf0/0x22c [ 266.325720] [<d081d199>] soft_cursor+0x199/0x1f8 [softcursor] [ 266.331639] [<c0140b60>] autoremove_wake_function+0x0/0x40 [ 266.337293] [<c0254252>] acpi_ec_transaction+0xf6/0x1fa [ 266.342681] [<d081ab6e>] bit_cursor+0x32e/0x584 [bitblit] [ 266.348260] [<c0254493>] acpi_ec_write+0x38/0x3c [ 266.353041] [<d0d67785>] omnibook_set_backlight+0x35/0x60 [omnibook] [ 266.359611] [<c023674b>] fb_notifier_callback+0x7b/0x90 [ 266.365012] [<c031e890>] notifier_call_chain+0x30/0x60 [ 266.370327] [<c014552a>] __blocking_notifier_call_chain+0x4a/0x70 [ 266.376603] [<c0145567>] blocking_notifier_call_chain+0x17/0x20 [ 266.382689] [<c022e8b6>] fb_blank+0x66/0x80 [ 266.387036] [<d0849324>] fbcon_blank+0x174/0x220 [fbcon] [ 266.392540] [<c027e620>] serial8250_console_putchar+0x0/0xb0 [ 266.398369] [<c027dcd0>] serial8250_console_write+0x0/0x1b0 [ 266.404106] [<c012c743>] __call_console_drivers+0x53/0x60 [ 266.409672] [<c012cc8a>] release_console_sem+0x1aa/0x1d0 [ 266.415168] [<c01361e7>] lock_timer_base+0x27/0x60 [ 266.420112] [<c026f9b0>] blank_screen_t+0x0/0x40 [ 266.424892] [<c013632d>] __mod_timer+0x9d/0xb0 [ 266.429499] [<c02717ec>] do_unblank_screen+0x9c/0x160 [ 266.434722] [<c021b725>] bust_spinlocks+0x15/0x30 [ 266.439584] [<c0105ee9>] die+0x189/0x280 [ 266.443672] [<c031e518>] do_page_fault+0x3e8/0x730 [ 266.448646] [<c031e130>] do_page_fault+0x0/0x730 [ 266.453423] [<c031c902>] error_code+0x72/0x80 [ 266.457944] [<c02a007b>] sk_dst_check+0xfb/0x100 [ 266.462727] [<c02bca16>] tcf_destroy+0x6/0x20 [ 266.467247] [<c02bca40>] tcf_destroy_chain+0x10/0x20 [ 266.472372] [<d0d14eef>] wme_qdiscop_destroy+0x2f/0x80 [mac80211] [ 266.478700] [<c02bb2ea>] qdisc_destroy+0x6a/0xa0 [ 266.483477] [<c02bb34a>] dev_shutdown+0x2a/0x80 [ 266.488172] [<c02a9e39>] rollback_registered+0x99/0x140 [ 266.493558] [<d0d0a8d8>] ieee80211_remove_interfaces+0x48/0x80 [mac80211] [ 266.500546] [<c02a9ee8>] unregister_netdevice+0x8/0x50 [ 266.505846] [<d0cfd720>] ieee80211_unregister_hw+0x30/0xd0 [mac80211] [ 266.512482] [<d0d399b4>] disconnect+0x24/0x70 [zd1211rw] [ 266.517987] [<d08ef7d0>] usb_unbind_interface+0x50/0xb0 [usbcore] [ 266.524305] [<c0282744>] __device_release_driver+0x64/0xa0 [ 266.529962] [<c0282bb3>] device_release_driver+0x23/0x40 [ 266.535438] [<c028201b>] bus_remove_device+0x4b/0x70 [ 266.540561] [<c02805f5>] device_del+0x135/0x250 [ 266.545255] [<d08ec910>] usb_disable_device+0x80/0xf0 [usbcore] [ 266.551372] [<d08e84e8>] usb_disconnect+0x98/0x130 [usbcore] [ 266.557234] [<d08e9977>] hub_thread+0x447/0xcb0 [usbcore] [ 266.562824] [<c0217fee>] rb_erase+0x15e/0x280 [ 266.567377] [<c0140b60>] autoremove_wake_function+0x0/0x40 [ 266.573037] [<d08e9530>] hub_thread+0x0/0xcb0 [usbcore] [ 266.578451] [<c01408a2>] kthread+0x42/0x70 [ 266.582697] [<c0140860>] kthread+0x0/0x70 [ 266.586862] [<c0105667>] kernel_thread_helper+0x7/0x10 [ 266.592169] ======================= [ 266.595924] ACPI: EC: missing write data confirmation, don't expect it any longer. [ 266.610917] Kernel panic - not syncing: Fatal exception in interrupt
