Bug 7903 - Illegal instruction: 4
Summary: Illegal instruction: 4
Alias: None
Product: Runtime
Classification: Mono
Component: General ()
Version: unspecified
Hardware: Macintosh Mac OS
: --- normal
Target Milestone: ---
Assignee: Bugzilla
Depends on:
Reported: 2012-10-18 16:30 UTC by Josh
Modified: 2017-08-28 15:05 UTC (History)
5 users (show)

Is this bug a regression?: ---
Last known good build:

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Description Josh 2012-10-18 16:30:27 UTC
Description of Problem:

Steps to reproduce the problem:
1. Run certain applications in the mono runtime on OSX

Actual Results:
Illegal instruction: 4

Expected Results:
Working program

How often does this happen? 
Every time in multithreaded socket environment.

Additional Information:

I can send an executable which demonstrates this. I think the issue may be related to compiling under mountain lion (I am running Lion):

Comment 1 Zoltan Varga 2012-10-23 18:46:23 UTC
We would need a testcase to be able to fix this.
Comment 2 Rodrigo Kumpera 2012-10-29 19:38:20 UTC
Please provide a test case that shows this issue. The mentioned stackoverflow question mentions something unrelated to mono.
Comment 3 Ludovic Henry 2017-07-07 19:01:06 UTC
If you can still reproduce with latest mono version, please feel free to reopen the bug. Thank you.