Hi, what device do you use? em28xx based devices do not use dvb_usb... Can you submit your syslog file? (/var/log/syslog or /var/log/kern.log)
Markus On 7/24/07, lwtbenben <[EMAIL PROTECTED]> wrote: > Hello, everyone > I am now having a great trouble with my usb tv stick. > The USB device is a composite device with 1 ATV interface, 1 DTV > interface, 2 audio about interfaces. > I write my Linux driver and when I insmod my module, my ubuntu just > works well. But when I remove the tv stick from my PC, ubuntu just give me > this uncomfortable message: > [ 1344.510836] BUG: unable to handle kernel paging request at virtual > address 3260d68c > [ 1344.510845] printing eip: > [ 1344.510848] e0dec7e6 > [ 1344.510852] *pde = 00000000 > [ 1344.510857] Oops: 0000 [#1] > [ 1344.510860] SMP > [ 1344.510865] Modules linked in: snd_usb_audio snd_usb_lib snd_hwdep au8502 > dvb_usb_stk1150 lgh06xf lgdt330x dvb_usb_cxusb dvb_usb dvb_core dvb_pll > binfmt_misc rfcomm l2cap bluetooth ppdev acpi_cpufreq cpufreq_stats > cpufreq_powersave cpufreq_userspace cpufreq_ondemand freq_table > cpufreq_conservative dev_acpi pcc_acpi sony_acpi tc1100_wmi dock asus_acpi > container sbs i2c_ec ac button backlight video battery ipv6 nls_utf8 ntfs > af_packet lp fuse snd_hda_intel snd_hda_codec snd_pcm_oss snd_mixer_oss > snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi > snd_seq_midi_event snd_seq snd_timer nvidia(P) parport_pc parport agpgart > sky2 snd_seq_device iTCO_wdt iTCO_vendor_support pcspkr psmouse snd > soundcore snd_page_alloc i2c_core serio_raw shpchp pci_hotplug tsdev evdev > ext3 jbd mbcache sg sd_mod generic ahci ata_generic ehci_hcd uhci_hcd > usbcore ata_piix libata scsi_mod thermal processor fan fbcon tileblit font > bitblit softcursor vesafb capability commoncap > [ 1344.511041] CPU: 0 > [ 1344.511044] EIP: 0060:[<e0dec7e6>] Tainted: P VLI > [ 1344.511047] EFLAGS: 00010292 (2.6.20-15-generic #2) > [ 1344.511063] EIP is at usb_free_stream_buffers+0x16/0x40 > [dvb_usb] > [ 1344.511070] eax: d8bf4abf ebx: cf63ab3c ecx: cf63a86c edx: d8bf48c0 > [ 1344.511078] esi: cf63ab3c edi: cf63a000 ebp: 00000001 esp: dfbcfe80 > [ 1344.511084] ds: 007b es: 007b ss: 0068 > [ 1344.511090] Process khubd (pid: 2049, ti=dfbce000 task=dfc9f030 > task.ti=dfbce000) > [ 1344.511096] Stack: cf63abf0 cf63abf0 e0decbee cf63abf0 cf63a000 e0deb39e > e0c7a75a cf8eec18 > [ 1344.511113] e0c7b3e0 ffffffed e0deb430 cf8eec18 e0c7b3e0 cf8eec00 > e08d4d20 d97a7c00 > [ 1344.511129] cf8eec18 e0c7b410 cf8eec90 d97a7c58 c02578a8 cf8eec18 > cf8eec18 c0257dd3 > [ 1344.511147] Call Trace: > [ 1344.511163] [<e0decbee>] usb_urb_exit+0x3e/0x50 [dvb_usb] > [ 1344.511185] [<e0deb39e>] dvb_usb_exit+0x3e/0xa0 [dvb_usb] > [ 1344.511216] [<e0deb430>] dvb_usb_device_exit+0x30/0x50 [dvb_usb] > [ 1344.511241] [<e08d4d20>] usb_unbind_interface+0x50/0xa0 [usbcore] > [ 1344.511285] [<c02578a8>] > __device_release_driver+0x68/0xa0 > [ 1344.511306] [<c0257dd3>] device_release_driver+0x23/0x40 > [ 1344.511321] [<c025721c>] bus_remove_device+0x5c/0x90 > [ 1344.511338] [<c0255672>] device_del+0x152/0x1b0 > [ 1344.511366] [<e08d21ee>] usb_disable_device+0x7e/0xe0 [usbcore] > [ 1344.511421] [<e08ce597>] usb_disconnect+0x97/0x130 [usbcore] > [ 1344.511512] [<e08cf2ff>] hub_thread+0x26f/0xc20 [usbcore] > [ 1344.511645] [<c013adf0>] > autoremove_wake_function+0x0/0x50 > [ 1344.511690] [<e08cf090>] hub_thread+0x0/0xc20 [usbcore] > [ 1344.511714] [<c013ac3a>] kthread+0xba/0xf0 > [ 1344.511729] [<c013ab80>] kthread+0x0/0xf0 > [ 1344.511747] [<c01044c7>] kernel_thread_helper+0x7/0x10 > [ 1344.511783] ======================= > [ 1344.511787] Code: df e9 72 ff ff ff 8b 4c 24 08 89 8b 40 10 00 00 eb 90 > 90 90 90 53 89 c3 83 ec 04 f6 40 1c 01 75 1f eb 24 66 90 83 e8 01 8b 53 50 > <8b> 4c 83 54 89 43 4c 8b 44 83 7c 89 04 24 8b 03 e8 55 fa ad ff > [ 1344.511879] EIP: [<e0dec7e6>] > usb_free_stream_buffers+0x16/0x40 [dvb_usb] SS:ESP > 0068:dfbcfe80 > [ 1344.511897] > It seems that the problem lies in the snd_usb_audio module. But why > snd_usb_audio driver is registered when I insmod my driver? Is it for the 2 > audio about interface? > > Thank you for your help. > > > > > > ________________________________ > 《大 话 西 游 3》 首 届 玩 家 见 面 会 即 将 在 广 州 召 开！敬 请 关 注 >> > _______________________________________________ > Em28xx mailing list > [email protected] > http://mcentral.de/mailman/listinfo/em28xx > > -- Markus Rechberger _______________________________________________ Em28xx mailing list [email protected] http://mcentral.de/mailman/listinfo/em28xx
