Re: [squid-users] Unhandled exception: c

From: Alex Crow <alex_at_nanogherkin.com>
Date: Mon, 12 May 2014 16:22:11 +0100

Hi Amos,

New backtrace - I hope this helps!

Core was generated by `(squid-1) -YC -f /etc/squid3/squid.conf'.
Program terminated with signal 6, Aborted.
#0 0x00007f2f758a81b5 in raise () from /lib/libc.so.6
(gdb) bt full
#0 0x00007f2f758a81b5 in raise () from /lib/libc.so.6
No symbol table info available.
#1 0x00007f2f758aafc0 in abort () from /lib/libc.so.6
No symbol table info available.
#2 0x000000000054670f in xassert (msg=0x7bb62c "c", file=0x7ea5f8
"base/CbcPointer.h", line=147) at debug.cc:565
         __FUNCTION__ = "xassert"
#3 0x00000000005279d1 in CbcPointer<ConnStateData>::operator->
(this=<value optimized out>) at base/CbcPointer.h:147
         c = <value optimized out>
#4 0x000000000057238e in FwdState::initiateSSL (this=0x80f14ba8) at
forward.cc:827
         hostname = 0x80e6d7e8 "secure.flashtalking.com"
         isConnectRequest = <value optimized out>
         peer = <value optimized out>
         fd = 812
         __FUNCTION__ = "initiateSSL"
         peeked_cert = <value optimized out>
         ssl = 0x940e87e0
         sslContext = <value optimized out>
#5 0x00000000005725e3 in FwdState::connectDone (this=0x80f14ba8,
conn=..., status=<value optimized out>, xerrno=0) at forward.cc:895
         __FUNCTION__ = "connectDone"
#6 0x00000000006a6f69 in AsyncCall::make (this=0x950cf990) at
AsyncCall.cc:32
         __FUNCTION__ = "make"
#7 0x00000000006aa215 in AsyncCallQueue::fireNext (this=<value
optimized out>) at AsyncCallQueue.cc:52
         call = {p_ = 0x950cf990}
         __FUNCTION__ = "fireNext"
#8 0x00000000006aa3c0 in AsyncCallQueue::fire (this=0xfb53f0) at
AsyncCallQueue.cc:38
         made = true
#9 0x00000000005633dc in EventLoop::runOnce (this=0x7fffd3a62b20) at
EventLoop.cc:132
         sawActivity = false
         waitingEngine = 0x7fffd3a62ba0
         __FUNCTION__ = "runOnce"
#10 0x0000000000563518 in EventLoop::run (this=0x7fffd3a62b20) at
EventLoop.cc:96
No locals.
#11 0x00000000005d3a25 in SquidMain (argc=<value optimized out>,
argv=<value optimized out>) at main.cc:1520
         WIN32_init_err = <value optimized out>
         __FUNCTION__ = "SquidMain"
         signalEngine = {<AsyncEngine> = {_vptr.AsyncEngine = 0x7cc770},
loop = @0x7fffd3a62b20}
         store_engine = {<AsyncEngine> = {_vptr.AsyncEngine = 0x7cc7d0},
<No data fields>}
         comm_engine = {<AsyncEngine> = {_vptr.AsyncEngine = 0xa78f30},
<No data fields>}
         mainLoop = {errcount = 0, last_loop = false, engines =
{capacity = 16, count = 4, items = 0x1426140}, timeService =
0x7fffd3a62b90, primaryEngine = 0x7fffd3a62ba0, loop_delay = 0, error =
false, runOnceResult = false}
         time_engine = {_vptr.TimeEngine = 0x7dbe90}
#12 0x00000000005d4213 in SquidMainSafe (argc=3051, argv=0xbeb) at
main.cc:1242
No locals.
#13 main (argc=3051, argv=0xbeb) at main.cc:1234
No locals.

We are also getting a lot of this sort of thing in the logs since I've
patched that Assert. Not sure If it's related.

2014/05/09 13:22:57 kid1| helperOpenServers: Starting 1/75 'ntlm_auth'
processes
2014/05/09 13:22:57 kid1| ipcCreate: fork: (12) Cannot allocate memory
2014/05/09 13:22:57 kid1| WARNING: Cannot run '/usr/bin/ntlm_auth' process.
2014/05/09 13:22:57 kid1| Starting new ntlmauthenticator helpers...
2014/05/09 13:22:57 kid1| helperOpenServers: Starting 1/75 'ntlm_auth'
processes
2014/05/09 13:22:57 kid1| ipcCreate: fork: (12) Cannot allocate memory
2014/05/09 13:22:57 kid1| WARNING: Cannot run '/usr/bin/ntlm_auth' process.
2014/05/09 13:22:57 kid1| Starting new ntlmauthenticator helpers...
2014/05/09 13:22:57 kid1| helperOpenServers: Starting 1/75 'ntlm_auth'
processes
2014/05/09 13:22:57 kid1| ipcCreate: fork: (12) Cannot allocate memory
2014/05/09 13:22:57 kid1| WARNING: Cannot run '/usr/bin/ntlm_auth' process.
2014/05/09 13:22:57 kid1| Starting new ntlmauthenticator helpers...
2014/05/09 13:22:57 kid1| helperOpenServers: Starting 1/75 'ntlm_auth'
processes
2014/05/09 13:22:57 kid1| ipcCreate: fork: (12) Cannot allocate memory
2014/05/09 13:22:57 kid1| WARNING: Cannot run '/usr/bin/ntlm_auth' process.
2014/05/09 13:22:57 kid1| Starting new ntlmauthenticator helpers...
2014/05/09 13:22:57 kid1| helperOpenServers: Starting 1/75 'ntlm_auth'
processes
2014/05/09 13:22:57 kid1| ipcCreate: fork: (12) Cannot allocate memory
2014/05/09 13:22:57 kid1| WARNING: Cannot run '/usr/bin/ntlm_auth' process.
2014/05/09 13:22:57 kid1| Starting new ntlmauthenticator helpers...
2014/05/09 13:22:57 kid1| helperOpenServers: Starting 1/75 'ntlm_auth'
processes
2014/05/09 13:22:57 kid1| ipcCreate: fork: (12) Cannot allocate memory
2014/05/09 13:22:57 kid1| WARNING: Cannot run '/usr/bin/ntlm_auth' process.
2014/05/09 14:21:49 kid1| Starting new ntlmauthenticator helpers...
2014/05/09 14:21:49 kid1| helperOpenServers: Starting 1/75 'ntlm_auth'
processes
2014/05/09 14:21:49 kid1| ipcCreate: fork: (12) Cannot allocate memory
2014/05/09 14:21:49 kid1| WARNING: Cannot run '/usr/bin/ntlm_auth' process.
2014/05/09 14:21:50 kid1| Starting new ntlmauthenticator helpers...
2014/05/09 14:21:50 kid1| helperOpenServers: Starting 1/75 'ntlm_auth'
processes
2014/05/09 14:21:50 kid1| ipcCreate: fork: (12) Cannot allocate memory
2014/05/09 14:21:50 kid1| WARNING: Cannot run '/usr/bin/ntlm_auth' process.
2014/05/09 14:21:50 kid1| Starting new ntlmauthenticator helpers...
2014/05/09 14:21:50 kid1| helperOpenServers: Starting 1/75 'ntlm_auth'
processes
2014/05/09 14:21:50 kid1| ipcCreate: fork: (12) Cannot allocate memory
2014/05/09 14:21:50 kid1| WARNING: Cannot run '/usr/bin/ntlm_auth' process.
2014/05/09 14:21:50 kid1| Starting new ntlmauthenticator helpers...
2014/05/09 14:21:50 kid1| helperOpenServers: Starting 1/75 'ntlm_auth'
processes
2014/05/09 14:21:50 kid1| ipcCreate: fork: (12) Cannot allocate memory
2014/05/09 14:21:50 kid1| WARNING: Cannot run '/usr/bin/ntlm_auth' process.
2014/05/09 14:21:51 kid1| WARNING: Error Pages Missing Language: en-gb
2014/05/09 14:21:51 kid1| WARNING: Error Pages Missing Language: en
2014/05/09 14:21:51 kid1| Starting new ssl_crtd helpers...
2014/05/09 14:21:51 kid1| helperOpenServers: Starting 1/32 'ssl_crtd'
processes
2014/05/09 14:21:51 kid1| ipcCreate: fork: (12) Cannot allocate memory
2014/05/09 14:21:51 kid1| WARNING: Cannot run '/usr/lib/squid3/ssl_crtd'
process.
2014/05/09 14:21:51 kid1| Starting new ssl_crtd helpers...
2014/05/09 14:21:51 kid1| helperOpenServers: Starting 1/32 'ssl_crtd'
processes
2014/05/09 14:21:51 kid1| ipcCreate: fork: (12) Cannot allocate memory
2014/05/09 14:21:51 kid1| WARNING: Cannot run '/usr/lib/squid3/ssl_crtd'
process.
2014/05/09 14:21:51 kid1| Starting new ssl_crtd helpers...
2014/05/09 14:21:51 kid1| helperOpenServers: Starting 1/32 'ssl_crtd'
processes
2014/05/09 14:21:51 kid1| ipcCreate: fork: (12) Cannot allocate memory
2014/05/09 14:21:51 kid1| WARNING: Cannot run '/usr/lib/squid3/ssl_crtd'
process.
2014/05/09 14:39:16 kid1| helperOpenServers: Starting 10/70
'ext_wbinfo_group_acl' processes
2014/05/09 14:39:16 kid1| ipcCreate: fork: (12) Cannot allocate memory
2014/05/09 14:39:16 kid1| WARNING: Cannot run
'/usr/lib/squid3/ext_wbinfo_group_acl' process.
2014/05/09 14:39:16 kid1| ipcCreate: fork: (12) Cannot allocate memory
2014/05/09 14:39:16 kid1| WARNING: Cannot run
'/usr/lib/squid3/ext_wbinfo_group_acl' process.
2014/05/09 14:39:16 kid1| ipcCreate: fork: (12) Cannot allocate memory
2014/05/09 14:39:16 kid1| WARNING: Cannot run
'/usr/lib/squid3/ext_wbinfo_group_acl' process.
2014/05/09 14:39:16 kid1| ipcCreate: fork: (12) Cannot allocate memory
2014/05/09 14:39:16 kid1| WARNING: Cannot run
'/usr/lib/squid3/ext_wbinfo_group_acl' process.
2014/05/09 14:39:16 kid1| ipcCreate: fork: (12) Cannot allocate memory
2014/05/09 14:39:16 kid1| WARNING: Cannot run
'/usr/lib/squid3/ext_wbinfo_group_acl' process.
2014/05/09 14:39:16 kid1| ipcCreate: fork: (12) Cannot allocate memory
2014/05/09 14:39:16 kid1| WARNING: Cannot run
'/usr/lib/squid3/ext_wbinfo_group_acl' process.
2014/05/09 14:39:16 kid1| ipcCreate: fork: (12) Cannot allocate memory
2014/05/09 14:39:16 kid1| WARNING: Cannot run
'/usr/lib/squid3/ext_wbinfo_group_acl' process.
2014/05/09 14:39:16 kid1| ipcCreate: fork: (12) Cannot allocate memory
2014/05/09 14:39:16 kid1| WARNING: Cannot run
'/usr/lib/squid3/ext_wbinfo_group_acl' process.
2014/05/09 14:39:16 kid1| ipcCreate: fork: (12) Cannot allocate memory
2014/05/09 14:39:16 kid1| WARNING: Cannot run
'/usr/lib/squid3/ext_wbinfo_group_acl' process.
2014/05/09 14:39:16 kid1| ipcCreate: fork: (12) Cannot allocate memory
2014/05/09 14:39:16 kid1| WARNING: Cannot run
'/usr/lib/squid3/ext_wbinfo_group_acl' process.

Thanks very much for looking at this!

Cheers

Alex

On 30/04/14 20:15, Amos Jeffries wrote:
> On 1/05/2014 6:19 a.m., Alex Crow wrote:
>> Brilliant! I will try to apply this and see if we get more detail. Will
>> it apply to 3.2.x? I can't run 3.4.x in prod due to the CPU load issue -
>> and I only see the crash in prod, never managed to trigger it in a test.
>>
> Yes it should apply on 3.2, though I have not tested that.
>
> Amos
>
>
>> Cheers
>>
>> Alex
>>
>>
>> On 29/04/14 20:45, Amos Jeffries wrote:
>>> On 30/04/2014 7:30 a.m., Alex Crow wrote:
>>>> dying from an unhandled exception: c
>>> I just realised what is generating this is a "Must(c)". There are only
>>> two of them Squid, but unfortunately in the generic and widely used
>>> CbcPointer template.
>>>
>>> Can you apply this patch please and see if we get a useful backtrace
>>> next time:
>>>
>>> http://www.squid-cache.org/Versions/v3/3.HEAD/changesets/squid-3-13386.patch
>>>
>>>
>>> (this will also be in 3.4.5 to help with future issues hidden by the
>>> same message).
>>>
>>> Amos
>>>
Received on Mon May 12 2014 - 15:22:17 MDT

This archive was generated by hypermail 2.2.0 : Thu May 15 2014 - 12:00:09 MDT