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Date:   Tue, 8 Dec 2020 23:40:44 +0100 (CET)
From:   Julia Lawall <julia.lawall@inria.fr>
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To:     Linus Torvalds <torvalds@linux-foundation.org>
cc:     John Garry <john.garry@huawei.com>,
        "Martin K. Petersen" <martin.petersen@oracle.com>,
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        Ming Lei <ming.lei@redhat.com>
Subject: Re: problem booting 5.10
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On Tue, 8 Dec 2020, Linus Torvalds wrote:

> On Tue, Dec 8, 2020 at 1:14 PM John Garry <john.garry@huawei.com> wrote:
> >
> > JFYI, About "scsi: megaraid_sas: Added support for shared host tagset
> > for cpuhotplug", we did have an issue reported here already from Qian
> > about a boot hang:
>
> Hmm. That does sound like it might be it.
>
> At this point, the patches from Ming Lei seem to be a riskier approach
> than perhaps just reverting the megaraid_sas change?
>
> It looks like those patches are queued up for 5.11, and we could
> re-apply the megaraid_sas change then?
>
> Jens, comments?
>
> And Julia - if it's that thing, then a
>
>     git revert 103fbf8e4020
>
> would be the thing to test.

This solves the problem.  Starting from 5.10-rc7 and doing this revert, I
get a kernel that boots.

thanks,
julia