[asterisk-bugs] [DAHDI 0013112]: kernel oops on loading wcfxo

[noreply at bugs.digium.com]

The following issue has been SUBMITTED. 
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http://bugs.digium.com/view.php?id=13112 
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Reported By:                wvolz
Assigned To:                
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Project:                    DAHDI
Issue ID:                   13112
Category:                   wcfxo
Reproducibility:            always
Severity:                   crash
Priority:                   normal
Status:                     new
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Date Submitted:             07-19-2008 01:23 CDT
Last Modified:              07-19-2008 01:23 CDT
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Summary:                    kernel oops on loading wcfxo
Description: 
When trying to load the wcfxo module for SVN version 4616 I get a kernel
oops. Here is the info from syslog:

Jul 18 20:20:09 magicchef kernel: BUG: unable to handle kernel NULL
pointer dereference at virtual address 00000004
Jul 18 20:20:09 magicchef kernel:  printing eip:
Jul 18 20:20:09 magicchef kernel: c01ba7db
Jul 18 20:20:09 magicchef kernel: *pde = 00000000
Jul 18 20:20:09 magicchef kernel: Oops: 0002
[http://bugs.digium.com/view.php?id=1]
Jul 18 20:20:09 magicchef kernel: SMP
Jul 18 20:20:09 magicchef kernel: Modules linked in: wcfxo dahdi nfs nfsd
exportfs lockd nfs_acl sunrpc appletalk button ac battery ipv6 xfrm_user
xfrm4_tunnel tunnel4 ipcomp esp4 ah4 deflate zlib_deflate twofish serpent
aes blowfish des sha256 sha1 crypto_null af_key eeprom lm85 hwmon_vid loop
i810_audio ac97_codec hisax crc_ccitt isdn slhc snd_intel8x0 eth1394
snd_ac97_codec evdev snd_ac97_bus parport_pc psmouse snd_pcm i2c_i801
intel_agp agpgart shpchp floppy serio_raw i2c_core rtc pcspkr pci_hotplug
parport i82875p_edac edac_mc snd_timer snd soundcore snd_page_alloc ext3
jbd mbcache dm_mirror dm_snapshot dm_mod ide_generic ide_cd cdrom ide_disk
ata_piix ohci1394 uhci_hcd e1000 ieee1394 piix libata ehci_hcd scsi_mod
generic ide_core usbcore thermal processor fan
Jul 18 20:20:09 magicchef kernel: CPU:    1
Jul 18 20:20:09 magicchef kernel: EIP:    0060:[<c01ba7db>]    Not tainted
VLI
Jul 18 20:20:09 magicchef kernel: EFLAGS: 00010a83   (2.6.18-6-686
http://bugs.digium.com/view.php?id=1)
Jul 18 20:20:09 magicchef kernel: EIP is at vsnprintf+0x9c/0x457
Jul 18 20:20:09 magicchef kernel: eax: f8baa157   ebx: 00000020   ecx:
f8baa1bd   edx: 7fffffff
Jul 18 20:20:09 magicchef kernel: esi: 00000004   edi: df89fe34   ebp:
00000000   esp: df89fdec
Jul 18 20:20:09 magicchef kernel: ds: 007b   es: 007b   ss: 0068
Jul 18 20:20:09 magicchef kernel: Process modprobe (pid: 13025,
ti=df89e000 task=d08b3aa0 task.ti=df89e000)
Jul 18 20:20:09 magicchef kernel: Stack: 7fffffff 00000004 00000002
f8baa1bc 80000003 e565c000 00000000 f8baa1bd
Jul 18 20:20:09 magicchef kernel:        00000020 e565c000 f8baa177
00000000 c01babfc df89fe34 df89fe34 f8ba9377
Jul 18 20:20:09 magicchef kernel:        00000004 f8baa1bd 00000000
00000000 00000000 dff01800 f8bab99c e565c010
Jul 18 20:20:09 magicchef kernel: Call Trace:
Jul 18 20:20:09 magicchef kernel:  [<c01babfc>] sprintf+0x1d/0x20
Jul 18 20:20:09 magicchef kernel:  [<f8ba9377>] wcfxo_init_one+0x1bc/0x75e
[wcfxo]
Jul 18 20:20:09 magicchef kernel:  [<c01c1aec>]
pci_match_device+0x10/0xac
Jul 18 20:20:09 magicchef kernel:  [<c0210ea8>] __driver_attach+0x0/0x5d
Jul 18 20:20:09 magicchef kernel:  [<c01c1bd4>]
pci_device_probe+0x36/0x57
Jul 18 20:20:09 magicchef kernel:  [<c0210e09>]
driver_probe_device+0x42/0x8b
Jul 18 20:20:09 magicchef kernel:  [<c0210ee0>] __driver_attach+0x38/0x5d
Jul 18 20:20:09 magicchef kernel:  [<c021092a>]
bus_for_each_dev+0x33/0x55
Jul 18 20:20:09 magicchef kernel:  [<c0210d73>] driver_attach+0x11/0x13
Jul 18 20:20:09 magicchef kernel:  [<c0210ea8>] __driver_attach+0x0/0x5d
Jul 18 20:20:09 magicchef kernel:  [<c0210643>] bus_add_driver+0x64/0xfd
Jul 18 20:20:09 magicchef kernel:  [<c01c1d10>]
__pci_register_driver+0x47/0x63
Jul 18 20:20:09 magicchef kernel:  [<f8bad048>] wcfxo_init+0x48/0x58
[wcfxo]
Jul 18 20:20:09 magicchef kernel:  [<c01358f9>]
sys_init_module+0x16c3/0x1846
Jul 18 20:20:09 magicchef kernel:  [<c0102c11>]
sysenter_past_esp+0x56/0x79
Jul 18 20:20:09 magicchef kernel: Code: 00 00 8b 44 24 04 c7 44 24 10 ff
ff ff ff f7 d0 89 04 24 eb e4 3c 25 c7 44 24 18 00 00 00 00 74 11 3b 74 24
10 0f 83 e0 02 00 00 <88> 06 e9 d9 02 00 00 8b 4c 24 1c 41 89 4c 24 1c 8a
11 80 fa 2b
Jul 18 20:20:09 magicchef kernel: EIP: [<c01ba7db>] vsnprintf+0x9c/0x457
SS:ESP 0068:df89fdec

This is kernel 2.6.18-6-686 on Debian 4.
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Issue History 
Date Modified   Username       Field                    Change               
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07-19-08 01:23  wvolz          New Issue                                    
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