From: Eric Wong <email@example.com>
To: vtamara <firstname.lastname@example.org>
Cc: Jeremy Evans <email@example.com>, firstname.lastname@example.org
Subject: Re: Bus Error with Unicorn 6.0 on OpenBSD/adJ 6.8 with Ruby 3.0
Date: Sun, 4 Apr 2021 20:03:58 +0000 [thread overview]
Message-ID: <20210404200358.GA32719@dcvr> (raw)
Jeremy Evans <email@example.com> wrote:
> Unfortunately, given the required amount of setup, I don't think I'll
> have time to look into this. The best way to debug this is to start
> removing code/dependencies piece by piece until the problem goes away.
> Once the problem goes away, add that code back, and make sure it fails
> again, then start removing other code/dependencies. Repeat this process
> until you have the most minimal example, where removing any additional
> code/dependencies will stop the code from failing.
The above is exactly what I would do, too.
I would also try to correlate the time of Bus Errors with logs
of when + which requests are failing, and try replaying only
those requests to narrow things down.
Also, do you have core dumps enabled? Enable those
("ulimit -c unlimited" in sh), and run gdb on them as you get
them. The .gdbinit in the source tree of the Ruby version
you're using is helpful not just for Ruby itself, but
also C extensions, too. I'm no a gdb expert, but it's
well-documented and has built-in help.
next prev parent reply other threads:[~2021-04-04 20:03 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-29 19:06 Bus Error with Unicorn 6.0 on OpenBSD/adJ 6.8 with Ruby 3.0 vtamara
2021-03-30 1:58 ` Eric Wong
2021-03-30 4:00 ` Jeremy Evans
2021-04-04 11:06 ` vtamara
2021-04-04 16:43 ` Jeremy Evans
2021-04-04 20:03 ` Eric Wong [this message]
2021-04-07 21:19 ` Bus Error with Unicorn 6.0 on OpenBSD-current (6.9) with Ruby 3.0 in minimal rails application vtamara
2021-04-08 2:11 ` Jeremy Evans
2021-04-12 22:47 ` vtamara
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