linux-kernel - Re: problem booting 5.10

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Date:   Tue, 8 Dec 2020 13:25:21 -0800
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     John Garry <john.garry@...wei.com>, Jens Axboe <axboe@...nel.dk>
Cc:     "Martin K. Petersen" <martin.petersen@...cle.com>,
        Julia Lawall <julia.lawall@...ia.fr>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        nicolas.palix@...v-grenoble-alpes.fr,
        linux-scsi <linux-scsi@...r.kernel.org>,
        Kashyap Desai <kashyap.desai@...adcom.com>,
        Ming Lei <ming.lei@...hat.com>
Subject: Re: problem booting 5.10

[ Just re-sending with Jens added back - he's been on a couple of the
emails, but wean't on this one. Sorry for the duplication ]

On Tue, Dec 8, 2020 at 1:23 PM Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
> On Tue, Dec 8, 2020 at 1:14 PM John Garry <john.garry@...wei.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.
>
>            Linus