From: Jens Axboe <axboe@kernel.dk>
To: Ming Lei <ming.lei@redhat.com>,
linux-kernel@vger.kernel.org, io-uring@vger.kernel.org
Subject: Re: [Bug] fio hang when running multiple job io_uring/hipri over nvme
Date: Thu, 17 Jun 2021 10:48:03 -0600 [thread overview]
Message-ID: <6691cf72-3a26-a1bb-228d-ddec8391620f@kernel.dk> (raw)
In-Reply-To: <CAFj5m9+ckHjfMVW_O20NBAPvnauPdABa8edPy--dSEf=XdhYRA@mail.gmail.com>
On 6/17/21 5:17 AM, Ming Lei wrote:
> Hello,
>
> fio hangs when running the test[1], and doesn't observe this issue
> when running a
> such single job test.
>
> v5.12 is good, both v5.13-rc3 and the latest v5.13-rc6 are bad.
>
>
> [1] fio test script and log
> + fio --bs=4k --ioengine=io_uring --fixedbufs --registerfiles --hipri
> --iodepth=64 --iodepth_batch_submit=16
> --iodepth_batch_complete_min=16 --filename=/dev/nvme0n1 --direct=1
> --runtime=20 --numjobs=4 --rw=randread
> --name=test --group_reporting
>
> test: (g=0): rw=randread, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T)
> 4096B-4096B, ioengine=io_uring, iodepth=64
> ...
> fio-3.25
> Starting 4 processes
> fio: filehash.c:64: __lookup_file_hash: Assertion `f->fd != -1' failed.
> fio: pid=1122, got signal=6
> ^Cbs: 3 (f=0): [f(1),r(1),K(1),r(1)][63.6%][eta 00m:20s]
Funky, would it be possible to bisect this? I'll see if I can reproduce.
--
Jens Axboe
next prev parent reply other threads:[~2021-06-17 16:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-17 11:17 [Bug] fio hang when running multiple job io_uring/hipri over nvme Ming Lei
2021-06-17 16:48 ` Jens Axboe [this message]
2021-06-17 16:56 ` Jens Axboe
2021-06-17 22:39 ` Ming Lei
2021-06-18 14:56 ` Jens Axboe
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