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cat /proc/capi/controllers segfaults on suse 9.2 and Fritz! pci card
Hi,

I know I should probably post this to suse-isdn mailing list, but it is
German only. I hope I will get some advice here..

I have suse 9.2 with recent upgraded kernel 2.6.8-24.11-smp , fritz! pci
card - all default installation. I use Asterisk as PBX, but this doesn't
influence on my problem.

I get segfaults when I want to

cat /proc/capi/controllers/1

I get normal output in Asterisk and also from capiinfo utility:

centrala:~ # capiinfo
Number of Controllers : 1
Controller 1:
Manufacturer: AVM GmbH
CAPI Version: 2.0
Manufacturer Version: 3.101-02 (49.18)
Serial Number: 1000001
BChannels: 2
Global Options: 0x00000039
internal controller supported
DTMF supported
Supplementary Services supported
channel allocation supported (leased lines)
B1 protocols support: 0x4000011f
64 kbit/s with HDLC framing
64 kbit/s bit-transparent operation
V.110 asynconous operation with start/stop byte framing
V.110 synconous operation with HDLC framing
T.30 modem for fax group 3
Modem asyncronous operation with start/stop byte framing
B2 protocols support: 0x00000b1b
ISO 7776 (X.75 SLP)
Transparent
LAPD with Q.921 for D channel X.25 (SAPI 16)
T.30 for fax group 3
ISO 7776 (X.75 SLP) with V.42bis compression
V.120 asyncronous mode
V.120 bit-transparent mode
B3 protocols support: 0x800000bf
Transparent
T.90NL, T.70NL, T.90
ISO 8208 (X.25 DTE-DTE)
X.25 DCE
T.30 for fax group 3
T.30 for fax group 3 with extensions
Modem

0100
0200
39000000
1f010040
1b0b0000
bf000080
00000000 00000000 00000000 00000000 00000000 00000000
01000001 00020000 00000000 00000000 00000000

Supplementary services support: 0x000003ff
Hold / Retrieve
Terminal Portability
ECT
3PTY
Call Forwarding
Call Deflection
MCID
CCBS



-----------------------------------------
After segfaults I have this at the end of dmesg :

<1>Unable to handle kernel NULL pointer dereference at virtual address
00000102
printing eip:
f91039d0
*pde = 00000000
Oops: 0002 [#3]
SMP
Modules linked in: zaptel crc_ccitt evdev joydev sg st sr_mod ide_cd cdrom
nvram edd capidrv isdn slhc capi capifs fcpci kernelcapi ipv6 ipt_multiport
ipt_conntrack iptable_mangle ip_nat_irc ip_nat_tftp ip_nat_ftp iptable_nat
ip_conntrack_irc ip_conntrack_tftp ip_conntrack_ftp ip_conntrack
iptable_filter ip_tables sk98lin intel_agp agpgart subfs dm_mod usbcore
raid1 reiserfs ata_piix libata sd_mod scsi_mod
CPU: 0
EIP: 0060:[<f91039d0>] Tainted: P U VLI
EFLAGS: 00010286 (2.6.8-24.11-smp SL92_BRANCH-200501141301260000)
EIP is at ctr_info+0x150/0x2b0 [fcpci]
eax: 00000102 ebx: f613c036 ecx: f613bf0c edx: f613c036
esi: cde02c04 edi: f5926000 ebp: f910cde3 esp: f613bf00
ds: 007b es: 007b ss: 0068
Process cat (pid: 4714, threadinfo=f613a000 task=f6cff6b0)
Stack: f5926000 f613bf34 f910cdf5 f910cdf0 f910cde6 00000001 00000000
f6cff6b0
00000010 c03b0380 00000000 00000000 f613bf6c ffb9078d 89f910cd
890c246c
244489dd 244c8910 245c8908 243c8904 fffba1e8 04468bff 10ce0dba
245c89f9
Call Trace:
Code: b8 e6 cd 10 f9 89 44 24 10 b8 31 ce 10 f9 89 44 24 0c b8 f5 cd 10 f9
89 44 24 08 89 3c 24 e8 c8 fa ff ff 8b 54 24 54 0f b6 82 c7 <00> 00 00 84 c0
0f 84 9c 00 00 00 a8 40 ba 3e ce 10 f9 75 05 ba




Any hint, advice or anyone who would help to post to suse-isdn list ?

thanks in advance,

regards,

Rob.


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