[   57.892507] BUG: unable to handle kernel NULL pointer dereference at virtual address 00000008
[   57.892622] printing eip: f8a5ecd2 *pde = 00000000 
[   57.892752] Oops: 0000 [#1] SMP 
[   57.892879] Modules linked in: video output sbs sbshc dock container battery nfs lockd nfs_acl sunrpc iptable_filter ip_tables x_tables ipv6 ac eeprom i2c_i801 parport_pc lp parport ide_generic ide_disk ide_cd ide_core af_packet snd_intel8x0 snd_ac97_codec ac97_bus dvb_pll lgdt330x snd_seq_dummy usblp cx88_dvb cx88_vp3054_i2c snd_seq_oss snd_seq_midi tuner tea5767 tda8290 tuner_simple cx88_alsa snd_rawmidi mt20xx tea5761 snd_pcm_oss snd_mixer_oss snd_seq_midi_event serio_raw videobuf_dvb dvb_core snd_pcm snd_seq button cx8800 compat_ioctl32 cx8802 cx88xx ir_common i2c_algo_bit tveeprom i2c_core videodev snd_timer snd_seq_device intel_agp dcdbas v4l2_common v4l1_compat btcx_risc videobuf_dma_sg videobuf_core agpgart evdev snd soundcore shpchp pci_hotplug iTCO_wdt iTCO_vendor_support snd_page_alloc psmouse pcspkr ext3 jbd mbcache sg sr_mod sd_mod cdrom usb_storage libusual ata_piix pata_acpi ata_generic libata scsi_mod e100 mii ehci_hcd uhci_hcd usbcore dm_mirror dm_snapshot dm_mod thermal processor fan fbcon tileblit font bitblit softcursor fuse
[   57.897536] 
[   57.897586] Pid: 5610, comm: hald Not tainted (2.6.24-15-generic #1)
[   57.897639] EIP: 0060:[<f8a5ecd2>] EFLAGS: 00010282 CPU: 0
[   57.897703] EIP is at snd_pcm_info+0x82/0x110 [snd_pcm]
[   57.897755] EAX: 0000005d EBX: f7cf4800 ECX: 00000020 EDX: f7fd9400
[   57.897808] ESI: 00000000 EDI: f7fd9520 EBP: f6543dd4 ESP: f7667e98
[   57.897862]  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
[   57.897914] Process hald (pid: 5610, ti=f7666000 task=f652eb40 task.ti=f7666000)
[   57.897968] Stack: f7fd9400 f7fd9400 f6633ee0 f6543dd4 f65b3d40 f8a5bd34 000040d0 f7798ba0 
[   57.898376]        f6633ee0 f7798bd0 f7798ba0 00000000 f89f24a4 f7638000 01667f30 ffffffff 
[   57.898783]        f76cf900 00000000 f612d170 f7638000 c01c43e6 f7638000 f612d170 00000000 
[   57.899190] Call Trace:
[   57.899302]  [<f8a5bd34>] snd_pcm_proc_info_read+0x34/0x180 [snd_pcm]
[   57.899422]  [<f89f24a4>] snd_info_entry_open+0x114/0x280 [snd]
[   57.899546]  [<c01c43e6>] proc_reg_open+0x46/0x70
[   57.899652]  [<c018c41f>] __dentry_open+0xbf/0x1c0
[   57.899759]  [<c018c5d5>] nameidata_to_filp+0x35/0x40
[   57.899853]  [<c01c43a0>] proc_reg_open+0x0/0x70
[   57.899947]  [<c018c630>] do_filp_open+0x50/0x60
[   57.900056]  [<c0120aab>] check_pgt_cache+0x1b/0x20
[   57.900180]  [<c018c2d2>] get_unused_fd_flags+0x52/0xd0
[   57.900289]  [<c018c68c>] do_sys_open+0x4c/0xe0
[   57.900399]  [<c018c75c>] sys_open+0x1c/0x20
[   57.900492]  [<c01053c2>] sysenter_past_esp+0x6b/0xa9
[   57.900610]  [<c0310000>] sigd_send+0x80/0x2f0
[   57.900725]  =======================
[   57.900774] Code: 50 00 00 00 8b 04 24 83 c0 50 e8 5a 5d 7b c7 0f b7 43 14 b9 20 00 00 00 8b 14 24 89 82 c0 00 00 00 0f b7 43 16 89 82 c4 00 00 00 <8b> 46 08 89 82 c8 00 00 00 8b 46 08 2b 46 0c 89 82 cc 00 00 00 
[   57.903350] EIP: [<f8a5ecd2>] snd_pcm_info+0x82/0x110 [snd_pcm] SS:ESP 0068:f7667e98
[   57.903568] ---[ end trace b38de329eb00ee1d ]---

$ uname -r
2.6.24-15-generic