Re: problem booting 5.10

From: Jens Axboe
Date: Tue Dec 08 2020 - 17:49:04 EST


On Tue, Dec 8, 2020 at 3:42 PM Julia Lawall <julia.lawall@xxxxxxxx> wrote:
> On Tue, 8 Dec 2020, Linus Torvalds wrote:
>
> > On Tue, Dec 8, 2020 at 1:14 PM John Garry <john.garry@xxxxxxxxxx> 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 for testing! Linus, do you just want to revert this, or do you
want me to queue it up?

--
Jens Axboe