hg - cx88-alsa brocken with 2.6.27

From: Chris Ruehl <v4l@xit.com.hk>
To: video4linux-list@redhat.com
Subject: hg - cx88-alsa brocken with 2.6.27
Date: Fri, 05 Dec 2008 19:38:35 +0800	[thread overview]
Message-ID: <493912BB.5040400@xit.com.hk> (raw)

Hallo,

I try to load the cx88-alsa with my HVR4000 but with the 2.6.27.x I got 
a null-pointer assignment
- I had a look in the code but not see any serious.

I got 2 sound cards working in my system Xonar D2x and Intel HD (both 
working)

here is the dump.   Sorry I have not enough time for a closer look - but 
ask me if more infos needed.

cheers
Chris

cx2388x alsa driver version 0.0.6 loaded
cx88_audio 0000:11:0c.1: PCI INT A -> GSI 20 (level, low) -> IRQ 20
BUG: unable to handle kernel NULL pointer dereference at 00000000
IP: [<f91698a7>] :cx88_alsa:cx88_audio_initdev+0xeb/0x309
*pdpt = 0000000035136001 *pde = 0000000000000000
Oops: 0002 [#1] SMP
Modules linked in: cx88_alsa(+) wmi pci_slot iptable_filter ip_tables 
x_tables cx22702 isl6421 cx24116 cx88_dvb cx88_vp3054_i2c wm8775 
tuner_simple tuner_types tda9887 tda8290 tuner snd_virtuoso 
snd_oxygen_lib snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm 
snd_page_alloc snd_mpu401_uart snd_hwdep snd_seq_dummy snd_seq_oss 
cx8802 snd_seq_midi cx8800 cx88xx snd_seq_midi_event ir_common 
i2c_algo_bit videodev snd_seq tveeprom v4l1_compat videobuf_dvb 
snd_rawmidi compat_ioctl32 dvb_core snd_timer v4l2_common snd_seq_device 
btcx_risc nvidia(P) videobuf_dma_sg videobuf_core snd i2c_core e1000e 
dm_mirror dm_log dm_snapshot fuse

Pid: 5709, comm: modprobe Tainted: P          (2.6.27.7 #4)
EIP: 0060:[<f91698a7>] EFLAGS: 00010202 CPU: 0
EIP is at cx88_audio_initdev+0xeb/0x309 [cx88_alsa]
EAX: f792f010 EBX: f792f000 ECX: 00000000 EDX: ffffffff
ESI: f51c0c00 EDI: 00000000 EBP: f78ee800 ESP: f4da3e9c
 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Process modprobe (pid: 5709, ti=f4da2000 task=f6b52680 task.ti=f4da2000)
Stack: f792f010 f78ee8d4 c02340a9 f916b084 f916b050 f78ee800 f916b084 
c023460f
       f78ee85c 00000000 f916b084 c028a6a2 f78ee85c f78ee918 f916b084 
c028a76b
       00000000 00000000 c040ab24 c028a123 f783593c f7835940 f78ee8b0 
00000000
Call Trace:
 [<c02340a9>] pci_match_device+0x13/0x8b
 [<c023460f>] pci_device_probe+0x36/0x55
 [<c028a6a2>] driver_probe_device+0x9d/0x12f
 [<c028a76b>] __driver_attach+0x37/0x55
 [<c028a123>] bus_for_each_dev+0x35/0x5c
 [<c028a555>] driver_attach+0x11/0x13
 [<c028a734>] __driver_attach+0x0/0x55
 [<c0289ba6>] bus_add_driver+0x91/0x1a7
 [<f9169772>] cx88_audio_init+0x0/0x2a [cx88_alsa]
 [<c028a8d1>] driver_register+0x7d/0xd6
 [<f9169772>] cx88_audio_init+0x0/0x2a [cx88_alsa]
 [<f9169772>] cx88_audio_init+0x0/0x2a [cx88_alsa]
 [<c02347d1>] __pci_register_driver+0x3c/0x67
 [<c010111f>] _stext+0x37/0xfb
 [<c013d07e>] sys_init_module+0x87/0x174
 [<c0102fc5>] sysenter_do_call+0x12/0x25
 =======================
Code: 04 24 75 27 50 8b 07 83 c0 10 50 68 a4 9c 16 f9 e8 63 f3 1d c7 89 
d8 89 ea bb fb ff ff ff e8 e8 c9 b2 ff 83 c4 0c e9 14 02 00 00 <89> 1f 
89 77 4c 89 6f 44 c7 47 48 ff ff ff ff c7 47 50 00 00 00
EIP: [<f91698a7>] cx88_audio_initdev+0xeb/0x309 [cx88_alsa] SS:ESP 
0068:f4da3e9c
---[ end trace e9e859edcab46f62 ]---

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