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From: Martin Jansa <martin.jansa@gmail.com>
To: Ben Shelton <ben.shelton@ni.com>
Cc: openembedded-core@lists.openembedded.org
Subject: Re: [PATCH 20/20] udev: don't halt if devtmpfs can't be mounted
Date: Mon, 4 Aug 2014 21:40:05 +0200	[thread overview]
Message-ID: <20140804194005.GD2465@jama> (raw)
In-Reply-To: <9288a31de2b502a43e9d0067ff9c1378133d00a4.1407177403.git.ben.shelton@ni.com>

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On Mon, Aug 04, 2014 at 01:41:12PM -0500, Ben Shelton wrote:
> From: Richard Tollerton <rich.tollerton@ni.com>
> 
> Halting if udev cannot start is problematic for a couple reasons.
> - Compared to a reboot loop, halting is much more difficult to recover
>   from in remote deployments.
> - If the rootfs has a prepopulated /dev (which happens somewhat often),
>   the system may be able to boot up just fine, or at least fine enough
>   for the administrator to log in and fix things.
> 
> Instead of halting, just exit, and let the administrator deal with the
> potential reboot loop.
> 
> Natinst-Rally-ID: TA44427
> Acked-by: Gratian Crisan <gratian.crisan@ni.com>
> Acked-by: Scot Salmon <scot.salmon@ni.com>
> Natinst-ReviewBoard-ID: 58623
> Signed-off-by: Richard Tollerton <rich.tollerton@ni.com>
> ---
>  meta/recipes-core/udev/udev/init | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/meta/recipes-core/udev/udev/init b/meta/recipes-core/udev/udev/init
> index 6caf7d5..f6a8391 100644
> --- a/meta/recipes-core/udev/udev/init
> +++ b/meta/recipes-core/udev/udev/init
> @@ -45,8 +45,7 @@ case "$1" in
>      if ! grep -q devtmpfs /proc/filesystems
>      then
>          echo "Missing devtmpfs, which is required for udev to run";
> -        echo "Halting..."
> -        halt
> +	exit 1

Please use spaces for indentation like previous lines.

>      fi
>      # mount the devtmpfs on /dev, if not already done
>      LANG=C awk '$2 == "/dev" && ($3 == "devtmpfs") { exit 1 }' /proc/mounts && {
> -- 
> 2.0.4
> 
> -- 
> _______________________________________________
> Openembedded-core mailing list
> Openembedded-core@lists.openembedded.org
> http://lists.openembedded.org/mailman/listinfo/openembedded-core

-- 
Martin 'JaMa' Jansa     jabber: Martin.Jansa@gmail.com

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      reply	other threads:[~2014-08-04 19:39 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-04 18:40 [PATCH 00/20] udev-cache related changes Ben Shelton
2014-08-04 18:40 ` [PATCH 01/20] udev-cache: Compress the cache Ben Shelton
2014-08-04 19:29   ` Otavio Salvador
2014-08-04 22:44   ` Khem Raj
2014-08-04 23:45     ` Ben Shelton
2014-08-05  0:06       ` Khem Raj
2014-08-05 19:00   ` Randy MacLeod
2014-08-05 20:09     ` Otavio Salvador
2014-08-05 20:35       ` Randy MacLeod
2014-08-06  2:08         ` Ben Shelton
2014-08-22 15:24         ` Patch message guidelines and internal/corporate fields Richard Tollerton
2014-08-23  8:40           ` Richard Purdie
2014-08-24 15:33             ` Paul Eggleton
2014-08-25  1:19               ` Khem Raj
2014-08-04 18:40 ` [PATCH 02/20] udev-cache: choose a more descriptive cache filename Ben Shelton
2014-08-04 19:30   ` Otavio Salvador
2014-08-04 18:40 ` [PATCH 03/20] udev-cache: Honor VERBOSE for bootup message Ben Shelton
2014-08-04 19:30   ` Otavio Salvador
2014-08-04 18:40 ` [PATCH 04/20] udev-cache: Don't ignore errors from cache extract Ben Shelton
2014-08-04 19:32   ` Otavio Salvador
2014-08-04 18:40 ` [PATCH 05/20] busybox: tar: enable CONFIG_FEATURE_TAR_LONG_OPTIONS Ben Shelton
2014-08-04 19:33   ` Otavio Salvador
2014-08-04 18:40 ` [PATCH 06/20] udev-cache: Remove superfluous subshell on extract Ben Shelton
2014-08-04 19:33   ` Otavio Salvador
2014-08-04 18:40 ` [PATCH 07/20] udev-cache: Update cache tarball atomically Ben Shelton
2014-08-04 19:35   ` Otavio Salvador
2014-08-04 18:41 ` [PATCH 08/20] udev-cache: Create cache asynchronously Ben Shelton
2014-08-04 19:41   ` Otavio Salvador
2014-08-04 21:18     ` Richard Tollerton
2014-08-04 21:22       ` Otavio Salvador
2014-08-04 21:37         ` Richard Tollerton
2014-08-04 21:41           ` Otavio Salvador
2014-08-04 22:07             ` Richard Tollerton
2014-08-04 18:41 ` [PATCH 09/20] udev-cache.default: documentation update Ben Shelton
2014-08-04 19:42   ` Otavio Salvador
2014-08-04 18:41 ` [PATCH 10/20] udev-cache: parametrize sysconf file paths Ben Shelton
2014-08-04 19:44   ` Otavio Salvador
2014-08-04 21:38     ` Ben Shelton
2014-08-04 21:42       ` Otavio Salvador
2014-08-04 21:48         ` Ben Shelton
2014-08-04 18:41 ` [PATCH 11/20] udev-cache: parametrize tar options Ben Shelton
2014-08-04 19:44   ` Otavio Salvador
2014-08-04 21:40     ` Ben Shelton
2014-08-04 18:41 ` [PATCH 12/20] udev-cache: fix timestamp errors on systems lacking an RTC Ben Shelton
2014-08-04 18:41 ` [PATCH 13/20] udev-cache: Avoid caching udev.cache or non-devfs filesystems Ben Shelton
2014-08-04 18:41 ` [PATCH 14/20] udev-cache: refactor; improve verbosity and error handling Ben Shelton
2014-08-04 18:41 ` [PATCH 15/20] udev-cache: don't attempt to extract cache if it doesn't exist Ben Shelton
2014-08-04 18:41 ` [PATCH 16/20] udev-cache: invalidate on rules.d changes Ben Shelton
2014-08-04 18:41 ` [PATCH 17/20] udev-cache: fix udev-cache changes to work with busybox tar Ben Shelton
2014-08-04 18:41 ` [PATCH 18/20] udev: Make build MACHINE-specific Ben Shelton
2014-08-04 19:43   ` Martin Jansa
2014-08-04 18:41 ` [PATCH 19/20] udev: Disable keymap support on machines lacking keyboard support Ben Shelton
2014-08-04 19:41   ` Martin Jansa
2014-08-04 18:41 ` [PATCH 20/20] udev: don't halt if devtmpfs can't be mounted Ben Shelton
2014-08-04 19:40   ` Martin Jansa [this message]

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