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Date:      Fri, 19 Aug 2016 18:01:41 -0700
From:      "Lundberg, Johannes" <johannes@brilliantservice.co.jp>
To:        "freebsd-x11@freebsd.org" <freebsd-x11@freebsd.org>, FreeBSD Current <freebsd-current@freebsd.org>
Subject:   Wayland update
Message-ID:  <CAASDrVncBqz9RkCSAALcw2vkKne_XJLGFBAcKW6zOaxnNv5QBA@mail.gmail.com>

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From owner-freebsd-current@freebsd.org  Sat Aug 20 20:03:22 2016
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From: Frederic Chardon <chardon.frederic@gmail.com>
Date: Sat, 20 Aug 2016 22:03:20 +0200
Message-ID: <CAMODbkmNkkOuaKydLJvDPGkKUSGvcFauzyRCAvgX-9quoDUoWw@mail.gmail.com>
Subject: kern.proc.pathname failure while booting from zfs
To: freebsd-stable@freebsd.org, freebsd-current@freebsd.org
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Hi

I see a strange interaction between zfs on root and kern.proc.pathname
on my laptop. Whenever I try to use gcore it fails with:
gcore 1023
gcore: kern.proc.pathname failure

However, gcore /usr/local/bin/zsh 1023 is working properly.

I made some tests booting from usb stick (fresh installworld, no
src.conf, no make.conf, GENERIC kernel)
What works: having / on ufs and importing a zfs pool later on.
What doesn't: having / on zfs, whatever the settings for checksum,
compression, or normalization.

Both 11-stable and 12-current behave this way. Current from may-june
worked properly.
adb, chromium and virtualbox as well stopped working at approximately
the same time, however I don't know if it is linked ("truss -f adb
start-server" shows that garbage is passed to execl after forking).

Any idea what's going on? Does anybody else see this?

Thanks!



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