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From: Josh Triplett <josh@joshtriplett.org>
To: Fengguang Wu <fengguang.wu@intel.com>
Cc: Iulia Manda <iulia.manda21@gmail.com>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linux Memory Management List <linux-mm@kvack.org>,
	LKP <lkp@01.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [CONFIG_MULTIUSER] init: error.c:320: Assertion failed in nih_error_get: CURRENT_CONTEXT->error != NULL
Date: Sat, 2 May 2015 19:21:17 -0700	[thread overview]
Message-ID: <20150503022117.GA25173@x> (raw)
In-Reply-To: <20150502231828.GA25301@wfg-t540p.sh.intel.com>

On Sun, May 03, 2015 at 07:18:28AM +0800, Fengguang Wu wrote:
> Hi Iulia,
> 
> FYI, there are Ubuntu init error messages when CONFIG_MULTIUSER=n.
> Since it's not embedded system and hence the target user of
> CONFIG_MULTIUSER=n, it might be fine..

I would expect a non-trivial amount of work required to make a standard
distribution boot with CONFIG_MULTIUSER=n.  Anything attempting to set
the user ID or group ID will fail, such as su, start-stop-daemon
--chuid, or systemd's daemon launching code.

So I'd suggest that this is an expected failure; allnoconfig or
tinyconfig would already not be expected to boot unmodified Ubuntu.

- Josh triplett

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WARNING: multiple messages have this Message-ID (diff)
From: Josh Triplett <josh@joshtriplett.org>
To: Fengguang Wu <fengguang.wu@intel.com>
Cc: Iulia Manda <iulia.manda21@gmail.com>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linux Memory Management List <linux-mm@kvack.org>,
	LKP <lkp@01.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [CONFIG_MULTIUSER] init: error.c:320: Assertion failed in nih_error_get: CURRENT_CONTEXT->error != NULL
Date: Sat, 2 May 2015 19:21:17 -0700	[thread overview]
Message-ID: <20150503022117.GA25173@x> (raw)
In-Reply-To: <20150502231828.GA25301@wfg-t540p.sh.intel.com>

On Sun, May 03, 2015 at 07:18:28AM +0800, Fengguang Wu wrote:
> Hi Iulia,
> 
> FYI, there are Ubuntu init error messages when CONFIG_MULTIUSER=n.
> Since it's not embedded system and hence the target user of
> CONFIG_MULTIUSER=n, it might be fine..

I would expect a non-trivial amount of work required to make a standard
distribution boot with CONFIG_MULTIUSER=n.  Anything attempting to set
the user ID or group ID will fail, such as su, start-stop-daemon
--chuid, or systemd's daemon launching code.

So I'd suggest that this is an expected failure; allnoconfig or
tinyconfig would already not be expected to boot unmodified Ubuntu.

- Josh triplett

  reply	other threads:[~2015-05-03  2:21 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-28  0:43 BUG: unable to handle kernel paging request at ffffffee Fengguang Wu
2015-04-28  0:43 ` Fengguang Wu
2015-05-02 23:18 ` [CONFIG_MULTIUSER] init: error.c:320: Assertion failed in nih_error_get: CURRENT_CONTEXT->error != NULL Fengguang Wu
2015-05-02 23:18   ` Fengguang Wu
2015-05-03  2:21   ` Josh Triplett [this message]
2015-05-03  2:21     ` Josh Triplett
2015-05-06  9:08 ` [CONFIG_MULTIUSER] BUG: unable to handle kernel paging request at ffffffee Fengguang Wu
2015-05-06  9:08   ` Fengguang Wu
2015-05-06 15:44   ` Josh Triplett
2015-05-06 15:44     ` Josh Triplett
2015-05-06 23:59     ` josh
2015-05-06 23:59       ` josh
2015-05-07  0:39       ` Peter Hurley
2015-05-07  0:39         ` Peter Hurley
2015-05-07 15:56         ` josh
2015-05-07 15:56           ` josh
2015-05-07 16:24           ` Peter Hurley
2015-05-07 16:24             ` Peter Hurley
2015-05-07 17:03             ` josh
2015-05-07 17:03               ` josh
2015-05-07 17:10               ` josh
2015-05-07 17:10                 ` josh
2015-05-07  0:59     ` Fengguang Wu
2015-05-07  0:59       ` Fengguang Wu
2015-05-07  0:59       ` Fengguang Wu

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