From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2852A1CAA9C; Wed, 25 Jun 2025 14:49:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750862996; cv=none; b=i+JOsJ2WHp2n8CWaSNcblhb6WgOSyo92MG+kRcLVtWOzG1xuhixRrrma8JrTSMD/3giaVkd5Tc4bPQ4mN2cP7k3RaXRfkxf0NChsBnlnjpxY1Dfz2tA+0egeu7RA1It2fL9jag5jU5p8Cb4jwvd3ClNx5Mkck5mSII3WlSBAke0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750862996; c=relaxed/simple; bh=tVeUa2x1WcFTLAWGUbXok7aqMiWn665OwHBEnUzwDP8=; h=Message-ID:Date:MIME-Version:Subject:From:To:Cc:References: In-Reply-To:Content-Type; b=BTtpwgF8CO3U/jTIDFyMulGC8r2NL+OJ5fm5qcXJ1//xvC14dIQlRcOmkXWjntkmwgfl6LUmdID2MK6r65AmKh3OcdQzMJdBmp/8W1EmmAvqOoTCcZ48mKGPUrudXckoF0BOjL2ejzerVLBwMbb8EhPWDqokYfU846ky8+WjVuo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BI4DIs6j; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="BI4DIs6j" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8E838C4CEEA; Wed, 25 Jun 2025 14:49:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1750862995; bh=tVeUa2x1WcFTLAWGUbXok7aqMiWn665OwHBEnUzwDP8=; h=Date:Subject:From:To:Cc:References:In-Reply-To:From; b=BI4DIs6jQ+cpG9bet05KTzFI64SHRO4vemD7IwlBF/2J4IFPs64fMANOqztmIXNk1 FFIPzzOjPjrz6TCStnmWmky2C+IPbKPulWb5PMeu0CawFRczooOI6c9EH+cL643goA FqCwys5lDSH3Rv+Q9fi0HHjQRJTKHscYDcLgqfOqAaV1To5ewK5uD5ZLdw8jY1JnN0 XdlgFpqYyfGvKdODaF+ahQWSnsIQ9OnZ9Ba1iKi5QFD/yZ4/kUIYAa1UO3qKvWbwFM ZEihaOOsdSkemPSoYk9xbUcd7VBJXFlLw8W/2TFjOQw/2mjbDveP8GvN8j9rB4fMN1 I4fF5pqYRxRkA== Message-ID: Date: Wed, 25 Jun 2025 23:49:53 +0900 Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [WARN 6.16-rc3] warning in bdev_count_inflight() From: Damien Le Moal To: Dave Chinner , Jens Axboe Cc: linux-block@vger.kernel.org, Alasdair Kergon , Mike Snitzer , Mikulas Patocka , dm-devel@lists.linux.dev, Shin'ichiro Kawasaki References: <36b2bb05-d26f-484b-acae-fdad7645f1cd@kernel.org> Content-Language: en-US Organization: Western Digital Research In-Reply-To: <36b2bb05-d26f-484b-acae-fdad7645f1cd@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 6/25/25 23:48, Damien Le Moal wrote: > On 6/25/25 18:00, Dave Chinner wrote: >> On Wed, Jun 25, 2025 at 06:26:14PM +1000, Dave Chinner wrote: >>> Hi Jens, >>> >>> I had this warning fire on 6.16-rc3 whilst running fstests. I don't >>> know what test caused it - I run 64 tests in parallel over a couple >>> of hundred loop devices, so there's lots of stuff going on all the >>> time. >>> >>> This warning fired when xfs_repair was running on some kind of DM >>> device: > > You are not alone seeing this one. Shin'ichiro saw it with blktests runs and > other peoples have mentioned seeing it with various hardware as well. We have no > reliable reproducer yet, and because it randomly shows up. So it is hard to > debug. This is since 6.16-rc1 I think. Ignore... I was not aware of the fix candidate :) -- Damien Le Moal Western Digital Research