I came across an interesting error reported on #mysql the other day. When I went through it with the reporter it looks like we uncovered up to two bugs in InnoDB (or rather XtraDB as it was Percona Server). I thought it might be useful to go through the error message, including the stack trace, to show that you don't need to be a developer to track down some useful information.
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Apr
24
2012
Sep
29
2010
I'll try to pass on some basic knowledge about those confusing
stack traces we sometimes see in the mysql error logs. What can you tell from
them, what are they useful for, and how to validate them?
Debugging Crashes
We tried to improve postmortem debugging of crashes + stack traces in the error log:o) old
versions of mysqld only printed numerical
numbers instead of function names (if you're lucky!)o) some
platforms/architectures printed no stack
trace what-so-ever!o) …
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