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From: Marc MERLIN <marc@merlins.org>
To: Anand Jain <anand.jain@oracle.com>
Cc: Nikolay Borisov <nborisov@suse.com>,
	dsterba@suse.com, linux-btrfs@vger.kernel.org,
	kernel-team@fb.com
Subject: Re: 5.4.20: cannot mount device that blipped off the bus: duplicate device fsid:devid for
Date: Mon, 20 Apr 2020 07:56:59 -0700	[thread overview]
Message-ID: <20200420145659.GA26389@merlins.org> (raw)
In-Reply-To: <07166dd6-4554-a545-9774-a622890095a7@oracle.com>

On Mon, Apr 20, 2020 at 07:10:24PM +0800, Anand Jain wrote:
> The steps below are they in the chronological order?
 
That is my recollection, yes.

>  Before and after --forget command
>     btrfs fi show -m
>  could have told us what devices are still mounted.
 
Oh, I didn't know about this. If/when it happens next, I'll 
run this to show btrfs' understanding of what's mounted instead of
the kernel's understanding (/proc/self/mounts)

> I will send a boilerplate code to dump device list from the kernel it will
> help to debug. As of now this boilderplate code which I have been using is
> too localized needs a lot of cleanups, will take sometime.

Sounds good.
 
Thanks,
Marc
-- 
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
 
Home page: http://marc.merlins.org/  

  reply	other threads:[~2020-04-20 14:57 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-21 20:23 5.4.20: cannot mount device that blipped off the bus: duplicate device fsid:devid for Marc MERLIN
2020-03-21 21:25 ` Nikolay Borisov
2020-03-25 20:14   ` Marc MERLIN
2020-03-25 23:56     ` Anand Jain
2020-03-26  1:30       ` Marc MERLIN
2020-03-26  3:33         ` Anand Jain
2020-03-26  4:26           ` Marc MERLIN
2020-04-14  0:38             ` Marc MERLIN
2020-04-16 10:43               ` Anand Jain
2020-04-19 19:13                 ` Marc MERLIN
2020-04-20 11:10               ` Anand Jain
2020-04-20 14:56                 ` Marc MERLIN [this message]
2020-04-21  7:33                   ` Anand Jain
2020-04-22  5:54                     ` Marc MERLIN
2020-04-21  7:21 ` [PATCH] btrfs: boilerplate: devlist and fsinfo Anand Jain

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