[asterisk-bugs] [DAHDI-linux 0018463]: Kernel Panic when Hanging up call using FXS connected phone

Mon Dec 13 04:11:20 CST 2010

A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=18463 
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Reported By:                alecdavis
Assigned To:                
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Project:                    DAHDI-linux
Issue ID:                   18463
Category:                   dahdi (the module)
Reproducibility:            always
Severity:                   crash
Priority:                   high
Status:                     new
JIRA:                        
Reviewboard Link:            
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Date Submitted:             2010-12-12 00:10 CST
Last Modified:              2010-12-13 04:11 CST
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Summary:                    Kernel Panic when Hanging up call using FXS
connected phone
Description: 
Since dahdi-linux -r9524 panic occurs, and warning below.

Since dahdi-linux -r9521, the warning below each time we make a call, and
echo is there, very short delay, but is very noticeable.

"[2010-12-12 19:02:15.600188] WARNING[19536]: chan_dahdi.c:4791
dahdi_train_ec: Unable to request echo training on channel 36: Invalid     
          argument

====================================================================== 

---------------------------------------------------------------------- 
 (0129567) alecdavis (manager) - 2010-12-13 04:11
 https://issues.asterisk.org/view.php?id=18463#c129567 
---------------------------------------------------------------------- 
console output:

Core debug is at least 3
    -- Starting simple switch on 'DAHDI/33-1'
    -- Executing [1083210 at phones:1] Dial("DAHDI/33-1", "DAHDI/G0/083210")
in new stack
    -- Called G0/083210
[2010-12-13 23:01:44.897036] WARNING[8052]: chan_dahdi.c:4791
dahdi_train_ec: Unable to request echo training on channel 36: Invalid
argument
    -- DAHDI/36-1 answered DAHDI/33-1
asterix*CLI>
Message from syslogd at asterix at Mon Dec 13 23:01:58 2010 ...
asterix kernel: [  238.838682] Process asterisk (pid: 8052, ti=f7ca4000
task=f68471c0 task.ti=f7ca4000)

Message from syslogd at asterix at Mon Dec 13 23:01:58 2010 ...
asterix kernel: [  238.838682] Stack: f6cb7a80 00000000 f7ca5e94 f8ae0ef4
00000000 00000000 00200246 00000000

Message from syslogd at asterix at Mon Dec 13 23:01:58 2010 ...
asterix kernel: [  238.838682]        f6f34dc0 00000000 f6c85790 c0176ed7
f6cb7a80 000000ff f6cb7a80 f6c85790

Message from syslogd at asterix at Mon Dec 13 23:01:58 2010 ...
asterix kernel: [  238.838682]        00000000 c0176dbb c0173233 f741d200
f71c4be8 f7ca5f14 f6cb7a80 b6e4eed0

Message from syslogd at asterix at Mon Dec 13 23:01:58 2010 ...
asterix kernel: [  238.838682] Call Trace:

Message from syslogd at asterix at Mon Dec 13 23:01:58 2010 ...
asterix kernel: [  238.838682]  [<f8ae0ef4>] dahdi_open+0x1bd/0x1da
[dahdi]

Message from syslogd at asterix at Mon Dec 13 23:01:58 2010 ...
asterix kernel: [  238.838682]  [<c0176ed7>] chrdev_open+0x11c/0x159

Message from syslogd at asterix at Mon Dec 13 23:01:58 2010 ...
asterix kernel: [  238.838682]  [<c0176dbb>] chrdev_open+0x0/0x159

Message from syslogd at asterix at Mon Dec 13 23:01:58 2010 ...
asterix kernel: [  238.838682]  [<c0173233>] __dentry_open+0x10d/0x1fc

Message from syslogd at asterix at Mon Dec 13 23:01:58 2010 ...
asterix kernel: [  238.838682]  [<c017333e>] nameidata_to_filp+0x1c/0x2c

Message from syslogd at asterix at Mon Dec 13 23:01:58 2010 ...
asterix kernel: [  238.838682]  [<c017dab2>] do_filp_open+0x34f/0x684

Message from syslogd at asterix at Mon Dec 13 23:01:58 2010 ...
asterix kernel: [  238.838682]  [<c013baca>] do_futex+0x303/0x70e

Message from syslogd at asterix at Mon Dec 13 23:01:58 2010 ...
asterix kernel: [  238.838682]  [<f8ae8079>] dahdi_ioctl+0x23e/0x245
[dahdi]

Message from syslogd at asterix at Mon Dec 13 23:01:58 2010 ...
asterix kernel: [  238.838682]  [<c0173050>] do_sys_open+0x40/0xb0

Message from syslogd at asterix at Mon Dec 13 23:01:58 2010 ...
asterix kernel: [  238.838682]  [<c0173104>] sys_open+0x1e/0x23

Message from syslogd at asterix at Mon Dec 13 23:01:58 2010 ...
asterix kernel: [  238.838682]  [<c0103857>] sysenter_past_esp+0x78/0xb1

Message from syslogd at asterix at Mon Dec 13 23:01:58 2010 ...
asterix kernel: [  238.838682]  =======================

Message from syslogd at asterix at Mon Dec 13 23:01:58 2010 ...
asterix kernel: [  238.838682] Code: 89 7c 24 04 eb 52 c7 44 24 04 fa ff
ff ff eb 48 c7 44 24 04 f0 ff ff ff eb 3e 89 d8 e8 b1 92 7d c7 89 c5 8b 83
b4 00 00 00 85 c0 <8b> b0 60 01 00 00 0f 84 67 ff ff ff e9 69 ff ff ff 8b
14 24 89

Message from syslogd at asterix at Mon Dec 13 23:01:58 2010 ...
asterix kernel: [  238.838682] EIP: [<f8ae0cfe>]
dahdi_specchan_open+0x4fd/0x536 [dahdi] SS:ESP 0068:f7ca5e78

Message from syslogd at asterix at Mon Dec 13 23:01:58 2010 ...
asterix kernel: [  238.838682] Oops: 0000
[https://issues.asterisk.org/view.php?id=1] SMP 

Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2010-12-13 04:11 alecdavis      Note Added: 0129567                          
======================================================================