From: Al Viro <viro@ZenIV.linux.org.uk>
To: Michael Tokarev <mjt@tls.msk.ru>
Cc: Linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: umount(/proc) after CLONE_NEWNS in 2.6.25?
Date: Mon, 28 Apr 2008 19:27:59 +0100 [thread overview]
Message-ID: <20080428182759.GF5882@ZenIV.linux.org.uk> (raw)
In-Reply-To: <481609A5.1080905@msgid.tls.msk.ru>
On Mon, Apr 28, 2008 at 09:30:13PM +0400, Michael Tokarev wrote:
> [pid 6308] clone(child_stack=0xbfc9de94, flags=CLONE_NEWNS|SIGCHLD) = 6309
> [pid 6309] execve("/usr/sbin/umount", ["umount", "-n", "/proc"])
> ...
> [pid 6309] oldumount("/proc") = -1 EBUSY (Device or resource busy)
> umount: /proc: device is busy
>
> Yes, various NAMESPACEs are enabled (i'm trying to experiment with
> those).
>
> Is it intentional?
It's very odd. Could you bisect that down to offending changeset or
at least narrow the things down to -rc<something>? I'm going down right
now, so won't be able to look into that until tonight...
next prev parent reply other threads:[~2008-04-28 18:32 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-28 17:30 umount(/proc) after CLONE_NEWNS in 2.6.25? Michael Tokarev
2008-04-28 18:27 ` Al Viro [this message]
2008-04-29 1:47 ` Al Viro
2008-04-29 2:06 ` Al Viro
2008-04-29 2:12 ` Al Viro
2008-04-29 4:36 ` Michael Tokarev
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20080428182759.GF5882@ZenIV.linux.org.uk \
--to=viro@zeniv.linux.org.uk \
--cc=linux-kernel@vger.kernel.org \
--cc=mjt@tls.msk.ru \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.