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From: Andrea Gelmini <andrea.gelmini@gelma.net>
To: Chris Mason <clm@fb.com>
Cc: Qu Wenruo <quwenruo.btrfs@gmx.com>,
	"linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: Re: Linux-next regression?
Date: Wed, 5 Dec 2018 11:59:28 +0100	[thread overview]
Message-ID: <20181205105928.GA29665@glet> (raw)
In-Reply-To: <FEDBF117-C83C-4DEC-96D1-A549DBCF4950@fb.com>

On Tue, Dec 04, 2018 at 10:29:49PM +0000, Chris Mason wrote:
> I think (hope) this is:
> 
> https://bugzilla.kernel.org/show_bug.cgi?id=201685
> 
> Which was just nailed down to a blkmq bug.  It triggers when you have 
> scsi devices using elevator=none over blkmq.

Thanks a lot Chris. Really.
Good news: I confirm I recompiled and used blkmq and no-op (at that time).
Also, the massive write of btrfs defrag can explain the massive trigger of
the bug, and next corruption.

Thanks again,
Andrea

  reply	other threads:[~2018-12-05 10:59 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-26 15:01 Linux-next regression? Andrea Gelmini
2018-11-27  1:13 ` Qu Wenruo
2018-11-27 14:11   ` Andrea Gelmini
2018-11-27 14:16     ` Qu Wenruo
2018-11-28 16:05       ` Andrea Gelmini
2018-12-04 22:29         ` Chris Mason
2018-12-05 10:59           ` Andrea Gelmini [this message]
2018-12-05 19:32             ` Chris Mason

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