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Re: 5.17.0 boot issue on Miata



On Tue, Apr 05, 2022 at 05:01:25PM +1200, Michael Cree wrote:
> On Mon, Apr 04, 2022 at 08:42:38PM -0500, Bob Tracy wrote:
> > On Sun, Mar 27, 2022 at 11:21:57AM +1300, Michael Cree wrote:
> > > On Thu, Mar 24, 2022 at 09:54:15PM -0500, Bob Tracy wrote:
> > > > When I attempt to boot a 5.17.0 kernel built from the kernel.org
> > > > sources, I see disk sector errors on my "sda" device, and the boot
> > > > process hangs at the point where "systemd-udevd.service" starts.
> > > > 
> > > > Rebooting on 5.16.0 works with no disk I/O errors of any kind.
> > > 
> > > Oh, you can run a 5.16.y kernel on Alpha?  I have had problems
> > > with everything since 5.9.y with rare, random, corruptions in
> > > memory in user space (exhibiting as glibc detected memory
> > > corruptions or segfaults).
> > 
> > Did we have this painted into the "SMP vs. not-SMP" corner at one point?
> 
> No, this affects both ES45 (with 3 cpus) and XP1000 (one cpu).
> 
> The problem is rare. I often have to run tests for 12 hours on
> the XP1000 before I see a problem.  On miata it might occur even
> less often.
> 
> I hope I am getting close to the bad commit, but it is taking
> time when I run testing for a whole day before I feel confident
> enough to mark the kernel as good.  And I have been wrong on
> that one a couple of times now, having to repeat part of the
> bisection.

Stupid question, but possibly related to what I'm seeing in v5.17-final.
Beginning with "-rc3" there's a new FRAMEBUFFER_CONSOLE_LEGACY_ACCELERATION
configuration option.  Do I need this enabled on Miata if I normally
boot in a video mode that displays a logo?  I'll try "no" for the "-rc3"
build if/when "-rc2" boots properly.

--Bob


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