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Summary:DAHLIN-00023: kernel panic with wct4xxp module
Reporter:Paul Belanger (pabelanger)Labels:
Date Opened:2008-07-23 13:33:14Date Closed:2008-08-01 17:37:41
Priority:CriticalRegression?No
Status:Closed/CompleteComponents:wct4xxp
Versions:Frequency of
Occurrence
Related
Issues:
Environment:Attachments:
Description:We just tried to install SVN-trunk-r4624 version on our ubuntu-8.04 server.  But with no success :(

See below.

****** ADDITIONAL INFORMATION ******

[397431.141584] dahdi: Telephony Interface Registered on major 196
[397431.141587] dahdi: Version: SVN-trunk-r4624
[397431.145440] Found TE2XXP at base address dfcfff80, remapped to f89d4f80
[397431.145450] TE2XXP version c01a016a, burst ON
[397431.145660] Octasic optimized!
[397431.145676] FALC version: 00000005, Board ID: 00
[397431.145679] Reg 0: 0x2ad9b400
[397431.145681] Reg 1: 0x2ad9b000
[397431.145683] Reg 2: 0xffffffff
[397431.145685] Reg 3: 0x00000000
[397431.145688] Reg 4: 0x00000001
[397431.145690] Reg 5: 0x00000000
[397431.145692] Reg 6: 0xc01a016a
[397431.145694] Reg 7: 0x00001000
[397431.145696] Reg 8: 0x010200ff
[397431.145698] Reg 9: 0x00fd0000
[397431.145701] Reg 10: 0x0000004a
[397431.145718] TE2XXP: Launching card: 0
[397431.145720] TE2XXP: Setting up global serial parameters
[397431.145951] BUG: unable to handle kernel NULL pointer dereference at virtual address 0000000c
[397431.146000] printing eip: f8a5fb7e *pdpt = 000000002b540001 *pde = 0000000000000000
[397431.146050] Oops: 0000 [#1] SMP
[397431.146076] Modules linked in: wct4xxp dahdi iptable_filter ip_tables x_tables parport_pc lp parport loop af_packet ipv6 dcdbas evdev iTCO_wdt serio_raw iTCO_vendor_support pata_acpi pcspkr psmouse ata_generic crc_ccitt button shpchp pci_hotplug sr_mod cdrom ext3 jbd mbcache sg sd_mod ata_piix ehci_hcd libata uhci_hcd mptsas mptscsih mptbase usbcore tg3 scsi_transport_sas scsi_mod thermal processor fan fbcon tileblit font bitblit softcursor fuse
[397431.146316]
[397431.146336] Pid: 4505, comm: modprobe Not tainted (2.6.24-16-server #1)
[397431.146364] EIP: 0060:[<f8a5fb7e>] EFLAGS: 00210246 CPU: 0
[397431.146396] EIP is at t4_launch+0x84e/0x2d00 [wct4xxp]
[397431.146422] EAX: 00000000 EBX: 00000223 ECX: 00200246 EDX: 00000002
[397431.146450] ESI: dfd3cc00 EDI: 00200246 EBP: dfd3cc54 ESP: eb54dd88
[397431.146477]  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
[397431.146504] Process modprobe (pid: 4505, ti=eb54c000 task=f6d39140 task.ti=eb54c000)
[397431.146533] Stack: f8a9c6e4 00000002 00000000 ffffffff 00000002 00200202 00000002 00000200
[397431.146593]        00000000 00000000 f71b2800 dfd3cc00 f8a65ae1 eb5cc004 f8a9d503 00000002
[397431.146651]        00000000 00000002 00000018 00000100 00000000 dfd3cc54 dfcfff80 00000000
[397431.146710] Call Trace:
[397431.146750]  [<f8a65ae1>] t4_init_one+0xe11/0x1030 [wct4xxp]
[397431.146787]  [<c02323f6>] pci_device_probe+0x56/0x80
[397431.146818]  [<c0291f38>] driver_probe_device+0x88/0x190
[397431.146848]  [<c032d7a5>] klist_next+0x55/0xb0
[397431.146876]  [<c029218a>] __driver_attach+0x7a/0x80
[397431.146904]  [<c029136a>] bus_for_each_dev+0x3a/0x60
[397431.146933]  [<c0291db6>] driver_attach+0x16/0x20
[397431.146960]  [<c0292110>] __driver_attach+0x0/0x80
[397431.146987]  [<c02916ea>] bus_add_driver+0x8a/0x1e0
[397431.147016]  [<c02325a6>] __pci_register_driver+0x56/0x90
[397431.147045]  [<f8862014>] t4_init+0x14/0x1f [wct4xxp]
[397431.147076]  [<c01559f6>] sys_init_module+0x126/0x19c0
[397431.147115]  [<c010839a>] sysenter_past_esp+0x6b/0xa1
[397431.147147]  =======================
[397431.147170] Code: c0 a9 f8 e8 55 27 6d c7 90 8d 74 26 00 f6 05 10 33 aa f8 04 0f 85 72 20 00 00 89 fa 89 e8 e8 3a 01 8d c7 8b 54 24 10 8b 44 96 18 <83> 78 0c 03 0f 84 78 1a 00 00 89 e8 e8 71 00 8d c7 f6 05 10 33
[397431.147356] EIP: [<f8a5fb7e>] t4_launch+0x84e/0x2d00 [wct4xxp] SS:ESP 0068:eb54dd88
[397431.147623] ---[ end trace 1fd74c97ff23ce75 ]---
[397434.150246] ztdummy: Trying to load High Resolution Timer
[397434.150306] ztdummy: Initialized High Resolution Timer
[397434.150360] ztdummy: Starting High Resolution Timer
[397434.150414] ztdummy: High Resolution Timer started, good to go
Comments:By: Paul Belanger (pabelanger) 2008-07-23 13:34:03

Sorry, should have read 'Kernel opps'.
By: Digium Subversion (svnbot) 2008-08-01 17:37:40

Repository: dahdi
Revision: 4651

U   linux/trunk/drivers/dahdi/wct4xxp/base.c

------------------------------------------------------------------------
r4651 | kpfleming | 2008-08-01 17:37:40 -0500 (Fri, 01 Aug 2008) | 6 lines

fix a couple of places where the driver assumed 4 spans were present on the card

(closes issue DAHLIN-23)
Reported by: pabelanger


------------------------------------------------------------------------

http://svn.digium.com/view/dahdi?view=rev&revision=4651