From mboxrd@z Thu Jan  1 00:00:00 1970
From: NeilBrown <neilb@suse.de>
Subject: Re: Persistent failures with simple md setup
Date: Fri, 1 Mar 2013 08:25:20 +1100
Message-ID: <20130301082520.19be933a@notabene.brown>
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To: Hans-Peter Jansen <hpj@urpla.net>
Cc: Linux RAID <linux-raid@vger.kernel.org>
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On Thu, 28 Feb 2013 11:49:53 +0100 Hans-Peter Jansen <hpj@urpla.net> wrote:

This is what I asked for:

> > It really feels like a udev bug, but it is hard to be sure.
> > Could you edit /etc/init.d/boot.md and add
> >    echo BEFORE mdadm -IRs > /dev/kmsg
> > just before the call the "$mdadm_BIN -IRs",
> >    echo AFTER mdadm -IRs > /dev/kmsg
> > just after that call, and
> >    echo AFTER mdadm -Asc > /dev/mksg
> > just after the call to "$mdadm_BIN -A -s -c $mdadm_CONFIG"
> >=20
> > And maybe put similar messages just before and after the =20
> >     /sbin/udevadm settle ....
> > call.
> >=20
> > If you can then reproduce the problem, the extra logging might tell us
> > something useful.
>=20

This is not at all the same thing:

> I've enabled initrd (linuxrc=3Dtrace) and boot.md (#!/bin/sh -x) debuggin=
g, hence=20
> we should see the full story next time.
>

It might help, but I'm far from certain that it will be nearly as useful.

NeilBrown

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