[   36.046253] Unable to handle kernel paging request for data at address 0x00000000
[   36.046272] Faulting instruction address: 0xc0015e40
[   36.046285] Oops: Kernel access of bad area, sig: 11 [#1]
[   36.046290] Modules linked in: i2c_keywest snd_powermac snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd soundcore snd_page_alloc sbp2 scsi_mod apm_emu yenta_socket rsrc_nonstatic pcmcia_core ohci1394 ieee1394 sungem sungem_phy uninorth_agp agpgart bcm43xx ieee80211softmac ieee80211 ieee80211_crypt evdev tsdev ext3 jbd ehci_hcd usbhid ohci_hcd usbcore ide_disk ide_cd cdrom capability commoncap rivafb
[   36.046339] NIP: C0015E40 LR: C000E548 CTR: C000E500
[   36.046346] REGS: ef867dd0 TRAP: 0300   Not tainted  (2.6.15-13-powerpc)
[   36.046352] MSR: 00009032 <EE,ME,IR,DR>  CR: 82008444  XER: 20000000
[   36.046365] DAR: 00000000, DSISR: 40000000
[   36.046371] TASK = c0b9ccf0[2915] 'modprobe' THREAD: ef866000
[   36.046376] GPR00: 00000013 EF867E80 C0B9CCF0 00000000 FFFFFFFF C2117022 EF867E10 00000000 
[   36.046391] GPR08: C02B7FF4 00000061 C211EA2B C000E500 22008442 1001E2F4 00000001 00000000 
[   36.046405] GPR16: 00000000 00000000 10001410 1001FDE0 30029000 00000003 00000000 00000000 
[   36.046418] GPR24: 10018D48 00000000 F4530000 00000000 00000000 F452B04C 00000000 C211EA1C 
[   36.046433] NIP [C0015E40] strlen+0x4/0x18
[   36.046447] LR [C000E548] device_is_compatible+0x48/0xc0
[   36.046458] Call Trace:
[   36.046462] [EF867E80] [C000E524] device_is_compatible+0x24/0xc0 (unreliable)
[   36.046473] [EF867EA0] [F45291E4] snd_pmac_get_gpio+0x134/0x240 [snd_powermac]
[   36.046515] [EF867ED0] [F41D69A4] snd_pmac_tumbler_init+0xf4/0x5c0 [snd_powermac]
[   36.046532] [EF867EF0] [F41D52C8] alsa_card_pmac_init+0x2c8/0x390 [snd_powermac]
[   36.046549] [EF867F20] [C004E928] sys_init_module+0x128/0x310
[   36.046560] [EF867F40] [C00115EC] ret_from_syscall+0x0/0x4c
[   36.046571] --- Exception: c01 at 0xff732dc
[   36.046579]     LR = 0x10003b10
[   36.046583] Instruction dump:
[   36.046599] 4082fff4 4e800020 38a3ffff 3884ffff 8c650001 2c830000 8c040001 7c601851 
[   36.046614] 4d860020 4182ffec 4e800020 3883ffff <8c040001> 2c000000 4082fff8 7c632050