I got the following with 2.6.12-rc6 + CVS with VDR. Something similar happened with 2.6.12-rc4, but only three lines made it to the syslog back then. What should I do to debug this? Jun 8 00:53:15 delta kernel: Unable to handle kernel paging request at virtual address 8b000001 Jun 8 00:53:15 delta kernel: printing eip: Jun 8 00:53:15 delta kernel: e08d5818 Jun 8 00:53:15 delta kernel: *pde = 00000000 Jun 8 00:53:15 delta kernel: Oops: 0002 [#1] Jun 8 00:53:15 delta kernel: Modules linked in: b2c2_flexcop_pci dvb_ttpci ndiswrapper b2c2_flexcop mt352 bcm3510 n xt2002 mt312 lirc_serial lirc_dev it87 i2c_sensor i2c_isa i2c_viapro iptable_filter iptable_mangle iptable_nat ip_co nntrack ip_tables ide_cd via_agp agpgart dvb_core l64781 saa7146_vv video_buf saa7146 ves1820 stv0299 tda8083 stv029 7 sp8870 firmware_class ves1x93 ttpci_eeprom i2c_core Jun 8 00:53:15 delta kernel: CPU: 0 Jun 8 00:53:15 delta kernel: EIP: 0060:[pg0+540751896/1068352512] Tainted: PF VLI Jun 8 00:53:15 delta kernel: EIP: 0060:[<e08d5818>] Tainted: PF VLI Jun 8 00:53:15 delta kernel: EFLAGS: 00010286 (2.6.12-rc6) Jun 8 00:53:15 delta kernel: EIP is at dvb_dmxdev_filter_start+0x1e8/0x3d0 [dvb_core] Jun 8 00:53:15 delta kernel: eax: 00000000 ebx: e097c888 ecx: 00000100 edx: 00000000 Jun 8 00:53:15 delta kernel: esi: 00000000 edi: 00000100 ebp: cca7fe58 esp: cca7fe09 Jun 8 00:53:16 delta kernel: ds: 007b es: 007b ss: 0068 Jun 8 00:53:16 delta lircd 0.6.6[6247]: removed client Jun 8 00:53:16 delta kernel: Process vdrbin1 (pid: 4402, threadinfo=cca7e000 task=c278a520) Jun 8 00:53:16 delta kernel: Stack: 90d97838 10e097c8 1ce08d4e 68d35735 00cca7fe 00000000 00000000 34000000 Jun 8 00:53:16 delta kernel: 84d3573f 9ccca7fe 58cca7fe f9cca7fe 90e08d5b 8ce097c8 94e097c8 90e097c8 Jun 8 00:53:16 delta kernel: 88d9783a 90e097c8 00d9783a 80000000 92cca7fe 88e08d60 88e097c8 9ce097c8 Jun 8 00:53:16 delta kernel: Call Trace: Jun 8 00:53:16 delta kernel: [show_stack+127/160] show_stack+0x7f/0xa0 Jun 8 00:53:16 delta kernel: [<c0103e1f>] show_stack+0x7f/0xa0 Jun 8 00:53:16 delta kernel: [show_registers+346/464] show_registers+0x15a/0x1d0 Jun 8 00:53:16 delta kernel: [<c0103fba>] show_registers+0x15a/0x1d0 Jun 8 00:53:16 delta kernel: [die+206/336] die+0xce/0x150 Jun 8 00:53:16 delta kernel: [<c010419e>] die+0xce/0x150 Jun 8 00:53:16 delta kernel: [do_page_fault+1129/1690] do_page_fault+0x469/0x69a Jun 8 00:53:16 delta kernel: [<c0114469>] do_page_fault+0x469/0x69a Jun 8 00:53:16 delta kernel: [error_code+79/84] error_code+0x4f/0x54 Jun 8 00:53:16 delta kernel: [<c0103a73>] error_code+0x4f/0x54 Jun 8 00:53:16 delta kernel: [pg0+540754066/1068352512] dvb_demux_do_ioctl+0x1a2/0x200 [dvb_core] Jun 8 00:53:16 delta kernel: [<e08d6092>] dvb_demux_do_ioctl+0x1a2/0x200 [dvb_core] Jun 8 00:53:16 delta kernel: [pg0+540747403/1068352512] dvb_usercopy+0xab/0x12d [dvb_core] Jun 8 00:53:16 delta kernel: [<e08d468b>] dvb_usercopy+0xab/0x12d [dvb_core] Jun 8 00:53:16 delta kernel: [pg0+540754206/1068352512] dvb_demux_ioctl+0x2e/0x30 [dvb_core] Jun 8 00:53:16 delta kernel: [<e08d611e>] dvb_demux_ioctl+0x2e/0x30 [dvb_core] Jun 8 00:53:16 delta kernel: [do_ioctl+77/112] do_ioctl+0x4d/0x70 Jun 8 00:53:16 delta kernel: [<c016b0dd>] do_ioctl+0x4d/0x70 Jun 8 00:53:16 delta kernel: [vfs_ioctl+98/448] vfs_ioctl+0x62/0x1c0 Jun 8 00:53:16 delta kernel: [<c016b242>] vfs_ioctl+0x62/0x1c0 Jun 8 00:53:16 delta kernel: [sys_ioctl+65/96] sys_ioctl+0x41/0x60 Jun 8 00:53:16 delta kernel: [<c016b3e1>] sys_ioctl+0x41/0x60 Jun 8 00:53:16 delta kernel: [syscall_call+7/11] syscall_call+0x7/0xb Jun 8 00:53:16 delta kernel: [<c0102fc9>] syscall_call+0x7/0xb Jun 8 00:53:16 delta kernel: Code: 85 d2 0f 85 28 01 00 00 8b 4d f0 8b 51 10 c7 44 24 08 10 4e 8d e0 8b 45 e4 89 44 24 04 8b 41 10 89 04 24 ff 52 2c 85 c0 89 c6 0f <88> 9e 01 00 00 8b 45 ec 8b 4d e4 f6 40 38 01 8b 11 c7 44 24 0c -- Anssi Hannula