linux-kernel - RE: Linux 5.10-rc4; graphics alignment

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Message-ID: <2c474745ae884de3b4ecb8abe2152bfd@AcuMS.aculab.com>
Date:   Fri, 20 Nov 2020 09:52:38 +0000
From:   David Laight <David.Laight@...LAB.COM>
To:     'Thomas Zimmermann' <tzimmermann@...e.de>,
        Linus Torvalds <torvalds@...ux-foundation.org>
CC:     Daniel Vetter <daniel.vetter@...ll.ch>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        "Huang, Ray" <ray.huang@....com>, Dave Airlie <airlied@...hat.com>,
        Christian König <christian.koenig@....com>
Subject: RE: Linux 5.10-rc4; graphics alignment

> Hi David
> 
> Am 18.11.20 um 23:01 schrieb David Laight:
...
> Did you try Daniel's suggestion of testing with the direct parent commit?
(I was on holiday yesterday and didn't want to spend a sunny
afternoon doing bisects.)

I've just done that and it is bad.

Is there any way to bisect through the parts of the
drm merge patch into v5.10-rc1 ?

That ought to be quicker (and less error prone) than
the bisect builds I was doing.

Note that the stack 'splat' is due to a later change.
It is separate from the broken pixel alignment.

I actually saw the vga text go 'funny' while the boot
was outputting all the [OK] messages (from systemd?)
before the graphic login stole tty1 (bloody stupid
to use tty1).

I don't need to use the failing system today, I'll
have another go at isolating the failure.

	David

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