[squid-users] Error Question

[Alex Rousskov]

On 2024-06-11 17:06, Jonathan Lee wrote:

> I can’t locate the dump file for segmentation fault it never generates 
> one. 

I assume that you cannot locate the core dump file because your 
OS/environment is not configured to produce core dump files. Enabling 
core dumps is a sysadmin task that is mostly independent from Squid 
specifics. The FAQ I linked to earlier has some hints, but none are 
pfsense-specific. If others on the list do not tell you how to enable 
coredumps on pfsense, you may want to ask on pfsense or sysadmin forums.

Alternatively, you can try starting Squid from gdb or attacking gdb to a 
running Squid kid process, but neither is trivial, especially if you are 
using SMP Squid. The same FAQ has some hints.

BTW, to test whether core dumps are enabled in your environment, you do 
not need to wait for Squid to crash. Instead, you can send a SIGABRT 
signal (as "root" if needed) to any running test process and see whether 
it creates a core dump file when crashing.


> I am running cache it shows a swap file however it is not readable.

There are many kinds of swap files, but the core file we need is 
probably not one of them.


> I fixed the other issues.

Glad to hear that!

Alex.


>> On Jun 11, 2024, at 14:00, Alex Rousskov 
>> <rousskov at measurement-factory.com> wrote:
>>
>> On 2024-06-11 14:46, Jonathan Lee wrote:
>>> 2024-05-16 14:10:23 [60780] loading dbfile 
>>> /var/db/squidGuard/Nick_Blocks/urls.db
>>> 2024/06/11 10:23:05 kid1| FATAL: Received Segment Violation...dying.
>>> 2024/06/11 10:23:25 kid1| Starting Squid Cache version 5.8 for 
>>> aarch64-portbld-freebsd14.0...
>>> 2024/06/11 10:23:25 kid1| Service Name: squid
>>> 2024-06-11 10:23:25 [9471] (squidGuard): can't write to logfile 
>>> /var/log/squidGuard/squidGuard.log
>>> 2024-06-11 10:23:25 [9471] New setting: logdir: /var/squidGuard/log
>>> 2024-06-11 10:23:25 [9471] New setting: dbhome: /var/db/squidGuard
>>> 2024-06-11 10:23:25 [9471] init domainlist 
>>> /var/db/squidGuard/blk_blacklists_adult/domains
>>> 2024-06-11 10:23:25 [9471] loading dbfile 
>>> /var/db/squidGuard/blk_blacklists_adult/domains.db
>>> 2024-06-11 10:23:25 [9471] init expressionlist 
>>> /var/db/squidGuard/blk_blacklists_adult/expressions
>>> There is my log file being blocked for some reason
>>
>> Just to avoid a misunderstanding: This mailing list thread is about 
>> the segmentation fault bug you have reported earlier. The above log is 
>> _not_ the requested backtrace that we need to triage that bug. If 
>> there is another problem you need help with, please start a new 
>> mailing list thread and detail _that_ problem there.
>>
>>
>> Thank you,
>>
>> Alex.
>>
>>
>>>> On Jun 11, 2024, at 11:24, Jonathan Lee <jonathanlee571 at gmail.com> 
>>>> wrote:
>>>>
>>>> thanks i have enabled
>>>>
>>>> coredump_dir /var/squid/logs
>>>>
>>>> I will submit a dump as soon as it occurs again
>>>>
>>>>> On Jun 11, 2024, at 11:17, Jonathan Lee <jonathanlee571 at gmail.com> 
>>>>> wrote:
>>>>>
>>>>> I have attempted to upgrade the program fails to recognize 
>>>>> ”DHParamas Key Size” and will no longer use my certificates and 
>>>>> shows many errors. I am kind of stuck on 5.8
>>>>>
>>>>> I do not know where the core dump would be located on pfSense let 
>>>>> me research this and get back to you.
>>>>>
>>>>>> On Jun 11, 2024, at 11:04, Alex Rousskov 
>>>>>> <rousskov at measurement-factory.com> wrote:
>>>>>>
>>>>>> On 2024-06-11 13:24, Jonathan Lee wrote:
>>>>>>> FATAL: Received Segment Violation...dying.
>>>>>>> Does any know how to fix this??
>>>>>>
>>>>>> Please post full backtrace from this failure:
>>>>>> https://wiki.squid-cache.org/SquidFaq/BugReporting#crashes-and-core-dumps
>>>>>>
>>>>>> The other information you have already provided may help, but 
>>>>>> without a usable stack trace, it is unlikely that somebody will 
>>>>>> guess what is going on with your Squid.
>>>>>>
>>>>>> Please note that you are running Squid v5 that is no longer 
>>>>>> supported by the Squid Project. You should upgrade to v6+. 
>>>>>> However, I do not know whether that upgrade is going to address 
>>>>>> the specific problem you are suffering from.
>>>>>>
>>>>>>
>>>>>> HTH,
>>>>>>
>>>>>> Alex.
>>>>>>
>>>>>> _______________________________________________
>>>>>> squid-users mailing list
>>>>>> squid-users at lists.squid-cache.org
>>>>>> https://lists.squid-cache.org/listinfo/squid-users
>