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From: Bob Pearson <rpearsonhpe@gmail.com>
To: Bart Van Assche <bvanassche@acm.org>
Cc: RDMA mailing list <linux-rdma@vger.kernel.org>,
	Yi Zhang <yi.zhang@redhat.com>
Subject: Re: [bug report] rdma_rxe: WARNING: inconsistent lock state, inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage
Date: Thu, 7 Apr 2022 17:34:32 -0500	[thread overview]
Message-ID: <92181dc8-dadc-3df6-3ecc-e2dca9047be4@gmail.com> (raw)
In-Reply-To: <f7b84702-8001-70bf-2f26-704548b96279@acm.org>

On 4/7/22 16:44, Bart Van Assche wrote:
> On 4/7/22 14:06, Bob Pearson wrote:
>> On 4/7/22 14:49, Bart Van Assche wrote:
>>> On 4/7/22 12:15, Robert Pearson wrote:
>>>> I would say it is very possible. There was a period when the
>>>> pool locks were switched to _bh spinlocks but that was later
>>>> reversed back to _irqsave locks which cleaned up some failures. I
>>>> don't know which version Yi Zhang was using. The root cause of
>>>> this bug was caused by librdmacm making verbs API calls while
>>>> holding _irqsave locks which I didn't figure out until later.
>>>
>>> I can reproduce the issue Yi reported with kernel v5.18-rc1. Please
>>> let me know if you need any additional information to reproduce
>>> this issue.
>>
>> From your note I can't figure out what you are running. Can you give
>> me more details about the failing test case?
> 
> Hi Bob,
> 
> In Yi's email I found the following:
> 
> run blktests srp/001
> 
> That test case can be run as follows:
> 
> git clone https://github.com/osandov/blktests && cd blktests && make && sudo ./check -q srp/001
> 
> Thanks,
> 
> Bart.
> 

It looks like on 5.18-rc1+ blktest is not running for me. (Last time I ran it was pre 5.18)
I am not seeing the Warning but instead it just hangs? Are you enabling some lock checking
that I am not? If so how?

Bob

  parent reply	other threads:[~2022-04-07 22:34 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-06  3:08 [bug report] rdma_rxe: WARNING: inconsistent lock state, inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage Yi Zhang
2022-04-07 18:51 ` Bart Van Assche
2022-04-07 19:15   ` Robert Pearson
2022-04-07 19:49     ` Bart Van Assche
2022-04-07 21:06       ` Bob Pearson
2022-04-07 21:44         ` Bart Van Assche
2022-04-07 21:46           ` Bob Pearson
2022-04-07 22:34           ` Bob Pearson [this message]
2022-04-08  0:06             ` Bart Van Assche
2022-04-08  5:07 ` Yanjun Zhu
2022-04-08  9:10   ` Yi Zhang
2022-04-09  3:27     ` Yanjun Zhu
2022-04-09  5:33       ` Yi Zhang
2022-04-09 12:13         ` Yanjun Zhu
2022-04-09 14:00           ` Yanjun Zhu
2022-04-09 23:57             ` Yanjun Zhu
2022-04-10 13:12               ` Yi Zhang

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