On 7/28/23 05:05, Waldemar Brodkorb wrote:
we recently updated our proxies to 6.1 on Ubuntu 22.04 (x86_64) and
now seeing sometime following fatal errors in the cache.log:
FATAL: Dying from an exception handling failure; exception: [no
active exception]
What does it mean and how can I further analyze the problem?
It means your Squid hit a bug and quit.
* If you configure your environment to allow Squid to dump its core, the
crash should leave a core file that you can analyze with a debugger.
Please be mindful of Ubuntu's apport attempts to "help" you.
* Alternatively, you can start Squid from the debugger, but that usually
requires more work/hacks. See Ralf's response for helpful hints.
There is one known Squid v6+ bug with the same symptom. If your
debugger backtrace shows functions with letters "Ftp" in their names,
then you are probably hitting that bug. That bug has a proposed fix. If
you can, please test it:
https://bugs.squid-cache.org/show_bug.cgi?id=5290#c2
Thank you,
Alex.
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