Hello, Distribution: gentoo Kernel: gentoo-2.6.11-r9 Newest version of dvb-kernel, fetched via CVS. After loading dvb-usb-a800.ko following output can found at /var/log/messages: May 30 15:52:29 gentoo AVerMedia AverTV DVB-T USB 2.0 (A800) 1-3:1.0: usb_probe_interface May 30 15:52:29 gentoo AVerMedia AverTV DVB-T USB 2.0 (A800) 1-3:1.0: usb_probe_interface - got id May 30 15:52:29 gentoo dvb-usb: found a 'AVerMedia AverTV DVB-T USB 2.0 (A800)' in cold state, will try to load a firmware May 30 15:52:29 gentoo dvb-usb: downloading firmware from file 'dvb-usb-avertv-a800-02.fw' to the 'Cypress FX2' May 30 15:52:29 gentoo dvb-usb: AVerMedia AverTV DVB-T USB 2.0 (A800) successfully initialized and connected. May 30 15:52:29 gentoo usbcore: registered new driver AVerMedia AverTV DVB-T USB 2.0 (A800) May 30 15:52:30 gentoo hub 1-0:1.0: state 5 ports 8 chg 0000 evt 0008 May 30 15:52:30 gentoo ehci_hcd 0000:00:02.2: GetStatus port 3 status 001002 POWER sig=se0 CSC May 30 15:52:30 gentoo hub 1-0:1.0: port 3, status 0100, change 0001, 12 Mb/s May 30 15:52:30 gentoo usb 1-3: USB disconnect, address 3 May 30 15:52:30 gentoo usb 1-3: usb_disable_device nuking all URBs May 30 15:52:30 gentoo usb 1-3: unregistering interface 1-3:1.0 May 30 15:52:30 gentoo dvb-usb: generic DVB-USB module successfully deinitialized and disconnected. May 30 15:52:30 gentoo usb 1-3:1.0: hotplug May 30 15:52:30 gentoo usb 1-3: unregistering device May 30 15:52:30 gentoo usb 1-3: hotplug May 30 15:52:30 gentoo hub 1-0:1.0: debounce: port 3: total 100ms stable 100ms status 0x100 May 30 15:52:31 gentoo hub 1-0:1.0: state 5 ports 8 chg 0000 evt 0008 May 30 15:52:31 gentoo ehci_hcd 0000:00:02.2: GetStatus port 3 status 001803 POWER sig=j CSC CONNECT May 30 15:52:31 gentoo hub 1-0:1.0: port 3, status 0501, change 0001, 480 Mb/s May 30 15:52:31 gentoo hub 1-0:1.0: debounce: port 3: total 100ms stable 100ms status 0x501 May 30 15:52:31 gentoo ehci_hcd 0000:00:02.2: port 3 high speed May 30 15:52:31 gentoo ehci_hcd 0000:00:02.2: GetStatus port 3 status 001005 POWER sig=se0 PE CONNECT May 30 15:52:31 gentoo usb 1-3: new high speed USB device using ehci_hcd and address 4 May 30 15:52:31 gentoo ehci_hcd 0000:00:02.2: port 3 high speed May 30 15:52:31 gentoo ehci_hcd 0000:00:02.2: GetStatus port 3 status 001005 POWER sig=se0 PE CONNECT May 30 15:52:31 gentoo usb 1-3: new device strings: Mfr=1, Product=2, SerialNumber=0 May 30 15:52:31 gentoo usb 1-3: default language 0x0409 May 30 15:52:31 gentoo usb 1-3: Product: A801 May 30 15:52:31 gentoo usb 1-3: Manufacturer: AVerTV May 30 15:52:31 gentoo usb 1-3: hotplug May 30 15:52:31 gentoo usb 1-3: adding 1-3:1.0 (config #1, interface 0) May 30 15:52:31 gentoo usb 1-3:1.0: hotplug May 30 15:52:31 gentoo AVerMedia AverTV DVB-T USB 2.0 (A800) 1-3:1.0: usb_probe_interface May 30 15:52:31 gentoo AVerMedia AverTV DVB-T USB 2.0 (A800) 1-3:1.0: usb_probe_interface - got id May 30 15:52:31 gentoo dvb-usb: found a 'AVerMedia AverTV DVB-T USB 2.0 (A800)' in warm state. May 30 15:52:31 gentoo dvb-usb: will pass the complete MPEG2 transport stream to the demuxer. May 30 15:52:31 gentoo DVB: registering new adapter (AVerMedia AverTV DVB-T USB 2.0 (A800)). May 30 15:52:31 gentoo Unable to handle kernel NULL pointer dereference at virtual address 00000000 May 30 15:52:31 gentoo printing eip: May 30 15:52:31 gentoo e1550345 May 30 15:52:31 gentoo *pde = 00000000 May 30 15:52:31 gentoo Oops: 0000 [#1] May 30 15:52:31 gentoo PREEMPT May 30 15:52:31 gentoo Modules linked in: dvb_usb_a800 dvb_usb_dibusb_common dvb_usb dib3000mc dib3000mb dib3000_common dvb _pll dvb_core ndiswrapper nvidia May 30 15:52:31 gentoo CPU: 0 May 30 15:52:31 gentoo EIP: 0060:[<e1550345>] Tainted: P VLI May 30 15:52:31 gentoo EFLAGS: 00010246 (2.6.11-gentoo-r9) May 30 15:52:31 gentoo EIP is at dvbdev_get_free_id+0x15/0x50 [dvb_core] May 30 15:52:31 gentoo eax: d91ea658 ebx: 00000004 ecx: d91ea664 edx: 00000000 May 30 15:52:31 gentoo esi: 00000000 edi: 00000000 ebp: 00000004 esp: c15b7cd0 May 30 15:52:31 gentoo ds: 007b es: 007b ss: 0068 May 30 15:52:31 gentoo Process khubd (pid: 167, threadinfo=c15b6000 task=dff0b060) May 30 15:52:31 gentoo Stack: e167c3b8 d91ea680 d91ea658 e15503b6 d91ea658 00000004 c15b7cec d601d44c May 30 15:52:31 gentoo d91ea000 d91ea680 d91ea6cc d91ea658 e167c3b8 d91ea680 0000a758 000023dc May 30 15:52:31 gentoo e155283b d91ea658 d91ea680 e15620a0 d91ea680 00000004 c15b6000 000000ff May 30 15:52:31 gentoo Call Trace: May 30 15:52:31 gentoo [<e15503b6>] dvb_register_device+0x36/0x190 [dvb_core] May 30 15:52:31 gentoo [<e155283b>] dvb_dmxdev_init+0x18b/0x230 [dvb_core] May 30 15:52:31 gentoo [<e155489f>] dvb_dmx_init+0x1bf/0x1e0 [dvb_core] May 30 15:52:31 gentoo [<e13fb950>] dvb_usb_dvb_init+0xd0/0x1d0 [dvb_usb] May 30 15:52:31 gentoo [<e13fa429>] dvb_usb_init+0xb9/0x190 [dvb_usb] May 30 15:52:31 gentoo [<c0238ed1>] _mmx_memcpy+0x131/0x180 May 30 15:52:31 gentoo [<e13fa867>] dvb_usb_device_init+0x177/0x1d0 [dvb_usb] May 30 15:52:31 gentoo [<e154010f>] a800_probe+0x1f/0x30 [dvb_usb_a800] May 30 15:52:31 gentoo [<c0303522>] usb_probe_interface+0xc2/0xf0 May 30 15:52:31 gentoo [<c02b1def>] driver_probe_device+0x2f/0x80 May 30 15:52:31 gentoo [<c02b1e81>] device_attach+0x41/0xa0 May 30 15:52:31 gentoo [<c0234aba>] kobject_get+0x1a/0x30 May 30 15:52:31 gentoo [<c02b217b>] bus_add_device+0x5b/0xb0 May 30 15:52:31 gentoo [<c02b58ec>] device_pm_add+0x5c/0xa0 May 30 15:52:31 gentoo [<c02b0e97>] device_add+0xc7/0x160 May 30 15:52:31 gentoo [<c030c459>] usb_set_configuration+0x339/0x4a0 May 30 15:52:31 gentoo [<c03064b0>] usb_new_device+0x110/0x220 May 30 15:52:31 gentoo [<c03076af>] hub_port_connect_change+0x2bf/0x4c0 May 30 15:52:31 gentoo [<c0307d00>] hub_events+0x450/0x570 May 30 15:52:31 gentoo [<c0307e55>] hub_thread+0x35/0x130 May 30 15:52:31 gentoo [<c012b820>] autoremove_wake_function+0x0/0x60 May 30 15:52:31 gentoo [<c010313e>] ret_from_fork+0x6/0x14 May 30 15:52:31 gentoo [<c012b820>] autoremove_wake_function+0x0/0x60 May 30 15:52:31 gentoo [<c0307e20>] hub_thread+0x0/0x130 May 30 15:52:31 gentoo [<c01012f1>] kernel_thread_helper+0x5/0x14 May 30 15:52:31 gentoo Code: 18 89 04 24 e8 dd 03 00 00 83 c4 14 c3 89 f6 8d bc 27 00 00 00 00 57 56 31 f6 53 8b 5c 24 14 8 b 44 24 10 8b 78 0c 8d 48 0c 89 fa <8b> 07 0f 18 00 90 39 cf 74 12 90 39 5a 10 74 12 89 c2 8b 00 0f Thank you for any help! Best regards, Alex
