> You can check this out whether it helps, for the time being .. > > http://www.linuxtv.org/pipermail/linux-dvb/2005-September/004866.html > > Manu > When using dvb-kernel and 2.6.14, I get an Oops when running czap: Unable to handle kernel NULL pointer dereference at virtual address 0000004c printing eip: d5a62091 *pde = 0e822067 *pte = 00000000 Oops: 0000 [#1] PREEMPT Modules linked in: dvb_bt8xx nxt6000 mt352 dvb_pll sp887x dst_ca dst bt878 dvb_core cx24110 or51211 lgdt330x tuner bttv video_buf v4l2_common btcx_risc tveeprom videodev nfs lockd sunrpc snd_via82xx snd_ac97_codec snd_ac97_bus CPU: 0 EIP: 0060:[<d5a62091>] Not tainted VLI EFLAGS: 00010246 (2.6.14) EIP is at dvb_bt8xx_start_feed+0x21/0xa0 [dvb_bt8xx] eax: d5b78000 ebx: ca5ed064 ecx: 00000000 edx: fffffe00 esi: 00000000 edi: d5b0900c ebp: d5b09000 esp: c924fdf0 ds: 007b es: 007b ss: 0068 Process czap (pid: 6021, threadinfo=c924e000 task=c6947a50) Stack: c924fdf8 c05a3204 00000205 d5b78000 ca5ed064 d5b78000 d5b0900c d5b41cef d5b78000 00000000 00000005 d5b3fc21 d5b78000 00000205 00000005 00000001 00008000 00000000 00000000 00000101 ca5ed24c cfc91a20 c0178256 c924fea8 Call Trace: [<d5b41cef>] dmx_ts_feed_start_filtering+0x4f/0xf0 [dvb_core] [<d5b3fc21>] dvb_dmxdev_filter_start+0x2b1/0x430 [dvb_core] [<c0178256>] dput+0x116/0x2d0 [<d5b40446>] dvb_demux_do_ioctl+0x96/0x260 [dvb_core] [<d5b3e7d4>] dvb_usercopy+0xb4/0x171 [dvb_core] [<d5b3feb6>] dvb_demux_open+0x116/0x160 [dvb_core] [<d5b3e121>] dvb_device_open+0xc1/0x200 [dvb_core] [<c0168aaa>] chrdev_open+0xda/0x1f0 [<c015d744>] __dentry_open+0x1a4/0x250 [<d5b4063f>] dvb_demux_ioctl+0x2f/0x40 [dvb_core] [<d5b403b0>] dvb_demux_do_ioctl+0x0/0x260 [dvb_core] [<c0172f93>] do_ioctl+0x93/0xa0 [<c017316b>] vfs_ioctl+0x6b/0x230 [<c0173375>] sys_ioctl+0x45/0x70 [<c0102e97>] sysenter_past_esp+0x54/0x75 Code: b9 83 c4 0c 5b 5e 5f c3 89 f6 83 ec 1c 8b 0d c0 50 a6 d5 8b 44 24 20 89 5c 24 10 89 74 24 14 89 7c 24 18 85 c9 8b b0 f4 10 00 00 <8b> 5e 4c 75 3a 8b 56 04 bf ea ff ff ff 85 d2 74 1c ff 0b 0f