linux-kernel - Re: Drives missing at boot

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Message-ID: <4C483BF4.3090006@kernel.org>
Date:	Thu, 22 Jul 2010 14:39:16 +0200
From:	Tejun Heo <tj@...nel.org>
To:	Mark Knecht <markknecht@...il.com>
CC:	Paul Check <paul@...checks.ca>,
	Linux Kernel List <linux-kernel@...r.kernel.org>,
	"linux-ide@...r.kernel.org" <linux-ide@...r.kernel.org>
Subject: Re: Drives missing at boot

Hello,

On 07/21/2010 10:54 PM, Mark Knecht wrote:
>    Looks like I had a failure today. First one in weeks and only the
> 3rd or 4th boot with this newer patch file. One of the two drives
> making a RAID0 wasn't found so /dev/md11 (constructed from /dev/sdd
> and /dev/sde) couldn't be started. I did a cold reboot and the drive
> was found.
> 
>    If it matters, and it probably doesn't, the failure came on a boot
> which had a scheduled fsck to do of /dev/md5 - my main / drive. I
> don't see how that would make a difference but I figure why leave the
> info out. That's why the times are so much larger in the dmesg file.
> (I think)
> 
>    dmesg attached. I patched the Gentoo kernel if it makes a
> difference, same as I did with the earlier patch.
> 
> mark@...table ~ $ uname -a
> Linux c2stable 2.6.34-gentoo-r2 #1 SMP PREEMPT Sun Jul 18 14:09:48 PDT
> 2010 x86_64 Intel(R) Core(TM) i7 CPU X 980 @ 3.33GHz GenuineIntel
> GNU/Linux
> mark@...table ~ $

Hmmm... that's weird.  Can you please make sure the patch is actually
applied?  Adding a printk("XXX patch applied!\n") near other changes
usually is easy enough.  Also, can you please apply resume-dbg-1.patch
too and reproduce the failure and post log?

Thanks.

-- 
tejun
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