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From: Bob Pearson <rpearsonhpe@gmail.com>
To: Olga Kornievskaia <aglo@umich.edu>, Leon Romanovsky <leon@kernel.org>
Cc: Zhu Yanjun <zyjzyj2000@gmail.com>,
	Jason Gunthorpe <jgg@nvidia.com>,
	linux-rdma <linux-rdma@vger.kernel.org>
Subject: Re: RDMA/rxe is broken (impacting running NFSoRDMA over softRoCE)
Date: Wed, 21 Jul 2021 16:48:08 -0500	[thread overview]
Message-ID: <6a01339f-32bc-d4b5-1bd2-44ce4b1b6e84@gmail.com> (raw)
In-Reply-To: <CAN-5tyEDF+KvSLxBNR_1vPdiJTDJMt1hc_ztk3E-J109x+Z4SA@mail.gmail.com>

On 7/21/21 4:15 PM, Olga Kornievskaia wrote:
> On Wed, Jul 21, 2021 at 1:47 AM Leon Romanovsky <leon@kernel.org> wrote:
>>
>> On Tue, Jul 20, 2021 at 05:48:03PM -0400, Olga Kornievskaia wrote:
>>> On Tue, Jul 20, 2021 at 2:27 AM Bob Pearson <rpearsonhpe@gmail.com> wrote:
>>
>> <...>
>>
>>> There were a number of commits that lead to crashes. commit
>>> ec9bf373f2458f4b5f1ece8b93a07e6204081667 "RDMA/core: Use refcount_t
>>> instead of atomic_t on refcount of ib_uverbs_device" leads to the
>>> following kernel oops. commit 205be5dc9984b67a3b388cbdaa27a2f2644a4bd6
>>> "RDMA/irdma: Fix spelling mistake "Allocal" -> "Allocate"" also leads
>>> to the kernel oops.
>>
>> The commits above aren't relevant to RXE at all.
>>
>> If first commit is wrong, all drivers will experience crashes and second
>> commit is in irdma and not in RXE.
>>
>> And both of them are legit commits.
> 
> Yes I realize they are problems outside of rxe but I didn't run into
> any crashes when I ran rpring on the 5.14-rc1 (it was hanging and
> that's what I reported here) so I thought perhaps later patches have
> addressed the crashes I've seen.
> 
> Would you like me to post a separate email report on the crash(es) (I
> don't recall if it's the same one or two different ones)?
> 
>>
>> Thanks

If you are able please try the patch I just sent. It should make things a little better.
If not I have another idea to try as well.
Bob

  reply	other threads:[~2021-07-21 21:48 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-20  3:46 RDMA/rxe is broken (impacting running NFSoRDMA over softRoCE) Olga Kornievskaia
2021-07-20  6:27 ` Bob Pearson
2021-07-20 21:48   ` Olga Kornievskaia
2021-07-21  5:47     ` Leon Romanovsky
2021-07-21 21:15       ` Olga Kornievskaia
2021-07-21 21:48         ` Bob Pearson [this message]
2021-07-21  6:16     ` Zhu Yanjun

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