Hello,
I'm running Slackware 12 with kernel vanilla 2.6.22.
I have a pvr Hauppauge 150 so my ir driver is lirc_i2c and lirc_dev.
When I do modprobe lirc_i2c I get this kernel oops:

Jul  9 22:50:40 slack kernel: lirc_dev: IR Remote Control driver registered, at major 61
Jul  9 22:50:43 slack kernel: lirc_i2c: chip found @ 0x71 (Hauppauge IR (PVR150))
Jul  9 22:50:43 slack kernel: BUG: unable to handle kernel NULL pointer dereference at virtual address 0000000
0
Jul  9 22:50:43 slack kernel:  printing eip:
Jul  9 22:50:43 slack kernel: c03f2d44
Jul  9 22:50:43 slack kernel: *pde = 00000000
Jul  9 22:50:43 slack kernel: Oops: 0000 [#1]
Jul  9 22:50:43 slack kernel: SMP
Jul  9 22:50:43 slack kernel: Modules linked in: cx8800 cx88xx bttv video_buf ir_common compat_ioctl32 btcx_ri
sc lirc_i2c lirc_dev ipv6 radeon drm eeprom lm85 hwmon_vid hwmon snd_seq_dummy snd_seq_oss snd_seq_midi_event
snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss capability commoncap ndiswrapper iforce lp parport_pc parport
 pcspkr psmouse wm8775 cx25840 tuner ivtv cx2341x tveeprom videodev v4l2_common v4l1_compat intel_agp agpgart
snd_hda_intel snd_pcm snd_timer snd soundcore snd_page_alloc i2c_i801 evdev serio_raw sg iTCO_wdt iTCO_vendor_
support ata_generic
Jul  9 22:50:43 slack kernel: CPU:    0
Jul  9 22:50:43 slack kernel: EIP:    0060:[<c03f2d44>]    Tainted: P       VLI
Jul  9 22:50:43 slack kernel: EFLAGS: 00210216   (2.6.22-smp-240607 #1)
Jul  9 22:50:43 slack kernel: EIP is at __i2c_check_addr+0x14/0x40
Jul  9 22:50:43 slack kernel: eax: f7be0029   ebx: f7be01e1   ecx: 00200096   edx: 00000000
Jul  9 22:50:43 slack kernel: esi: 00000071   edi: f7be0029   ebp: fffffff0   esp: dd6ddc50
Jul  9 22:50:43 slack kernel: ds: 007b   es: 007b   fs: 00d8  gs: 0033  ss: 0068
Jul  9 22:50:43 slack kernel: Process modprobe (pid: 13199, ti=dd6dc000 task=e4984510 task.ti=dd6dc000)
Jul  9 22:50:43 slack kernel: Stack: e2814800 e281485c c03f3c45 00000001 dd6ddea3 7114c5e6 e2814800 f9a9c08c
Jul  9 22:50:43 slack kernel:        e2814876 f7be0059 e2814800 f9a9c08c e2814876 e281485c f9a9b1ef f9a9c180
Jul  9 22:50:43 slack kernel:        00000071 e2814860 00000000 00000071 f7beed34 00000071 00000000 00000002
Jul  9 22:50:43 slack kernel: Call Trace:
Jul  9 22:50:43 slack kernel:  [<c03f3c45>] i2c_attach_client+0x35/0x190
Jul  9 22:50:43 slack kernel:  [<f9a9b1ef>] ir_attach+0x17f/0x260 [lirc_i2c]
Jul  9 22:50:43 slack kernel:  [<f9a9b6a4>] ir_probe+0xe4/0x2f0 [lirc_i2c]
Jul  9 22:50:43 slack kernel:  [<c0158a36>] find_mergeable_anon_vma+0x36/0xc0
Jul  9 22:50:43 slack kernel:  [<c017a599>] __d_lookup+0x89/0x110
Jul  9 22:50:43 slack kernel:  [<c02cee62>] __next_cpu+0x12/0x20
Jul  9 22:50:43 slack kernel:  [<c03f44c5>] i2c_register_driver+0xd5/0x120
ul  9 22:50:43 slack kernel:  [<f9a9b5b2>] init_module+0x42/0x50 [lirc_i2c]
Jul  9 22:50:43 slack kernel:  [<c014065f>] sys_init_module+0x15f/0x18d0
Jul  9 22:50:43 slack kernel:  [<c0159127>] do_mmap_pgoff+0x577/0x7b0
Jul  9 22:50:43 slack kernel:  [<c0102ac2>] syscall_call+0x7/0xb
Jul  9 22:50:43 slack kernel:  [<c04b0000>] rpcb_getport+0x150/0x380
Jul  9 22:50:43 slack kernel:  =======================
Jul  9 22:50:43 slack kernel: Code: 8d b4 26 00 00 00 00 c3 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 90 56 89
 d6 53 8b 90 b8 01 00 00 8d 98 b8 01 00 00 eb 02 89 ca <8b> 0a 0f 18 01 90 39 da 74 13 0f b7 82 5a fe ff ff 39
 f0 75 e9
Jul  9 22:50:43 slack kernel: EIP: [<c03f2d44>] __i2c_check_addr+0x14/0x40 SS:ESP 0068:dd6ddc50

Do you have any hint?


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