From: Jens Axboe <axboe@kernel.dk>
To: Ming Lei <ming.lei@redhat.com>,
linux-block@vger.kernel.org, Dennis Zhou <dennis@kernel.org>
Subject: Re: block: percpu ref (blkg_release) <= 0 (0) after switching to atomic
Date: Tue, 18 Dec 2018 21:32:24 -0700 [thread overview]
Message-ID: <4d404262-007c-2229-ed65-e1c52ed56d85@kernel.dk> (raw)
In-Reply-To: <20181219032738.GB4451@ming.t460p>
On 12/18/18 8:27 PM, Ming Lei wrote:
> On Wed, Dec 19, 2018 at 11:25:21AM +0800, Ming Lei wrote:
>> Hi Jens and Dennis,
>>
>> The following warning can be triggered on for-4.21/block when running
>> xfstests generic/475(xfs), and it is introduced by recent Dennis's patches.
>>
>> test disk: virtio-blk
>> scratch: nvme-pci disk
>
> oops, the test disk is virtio-scsi, and seems it isn't easy to trigger
> on virtio-blk.
I can reproduce this. Dennis is looking at it, we'll get this solved one
way or another tomorrow.
Thanks for reporting!
--
Jens Axboe
prev parent reply other threads:[~2018-12-19 4:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-19 3:25 block: percpu ref (blkg_release) <= 0 (0) after switching to atomic Ming Lei
2018-12-19 3:27 ` Ming Lei
2018-12-19 4:32 ` Jens Axboe [this message]
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