Date: Thu, 16 Nov 2017 12:48:08 -0800
From: John Baldwin <jhb@freebsd.org>
To: "Ngie Cooper (yaneurabeya)" <yaneurabeya@gmail.com>
Cc: Mateusz Guzik <mjg@freebsd.org>, FreeBSD Current <freebsd-current@freebsd.org>
Subject: Re: Breakage with sys.kern.ptrace_test.{ptrace__parent_sees_exit_after_child_debugger, parent_sees_exit_after_unrelated_debugger} after r325719:325721
Message-ID: <3305084.Q9yLTkYrJQ@ralph.baldwin.cx>
In-Reply-To: <7567DDF3-6E53-455F-B25E-AE2082F74F40@gmail.com>
References: <7567DDF3-6E53-455F-B25E-AE2082F74F40@gmail.com>
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On Thursday, November 16, 2017 09:07:56 AM Ngie Cooper wrote: > Hi Mateusz, > Per Jenkins, these two tests are broken after r325719:325721: https://ci.freebsd.org/job/FreeBSD-head-amd64-test/4987/ <https://ci.freebsd.org/job/FreeBSD-head-amd64-test/4987/>; . > Thanks, > -Ngie It is probably the first commit. Previously, the kern.proc.<pid> sysctl would fail for zombies, so these tests poll that sysctl waiting for it to fail to determine when a process has become a zombie. I think the first commit broke this as the sysctl now works for zombies so the tests hang forever. I could fix the tests to check for the status in the kinfo_proc. I've no idea if there are other programs aside from tests that depend on this behavior that are also broken though. I feel like I copied that approach from some other bit of code when writing these tests. -- John Baldwin
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