[GHC] #15010: Application (warp) server crashing periodically with "TSO object entered"

[GHC]

#15010: Application (warp) server crashing periodically with "TSO object entered"
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        Reporter:  ramirez7          |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.4.3
       Component:  Runtime System    |              Version:  8.0.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Runtime crash     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by ramirez7):

 Just saw the error happen again. I'll investigate the server to see if I
 can find any more artifacts.

 We did find some extra logs in {{{messages}}}:
 {{{
 Apr 12 09:43:07 stdouterr.log:  binary-name-elided: internal error: TSO
 object entered!
 Apr 12 09:43:07 stdouterr.log:      (GHC version 8.0.2 for
 x86_64_unknown_linux)
 Apr 12 09:43:07 stdouterr.log:      Please report this as a GHC bug:
 http://www.haskell.org/ghc/reportabug
 Apr 12 09:43:07 messages:  Apr 12 16:43:07 ip-10-10-28-23 kernel:
 [413908.905615] traps: ghc_worker[23036] general protection
 ip:7f5b72a24196 sp:7f5b64de2c10 error:0
 Apr 12 09:43:07 messages:  Apr 12 16:43:07 ip-10-10-28-23 kernel:
 [413908.911110]  in libc-2.23.so[7f5b729ed000+1c0000]
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15010#comment:2>
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