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Date: Sun, 12 Jul 2026 07:50:00 +0200
From: Greg KH <gregkh@linuxfoundation.org>
To: Papool Chaudhari <Papool@chaudharilaw.com>
Cc: regressions@lists.linux.dev
Subject: Re: [REGRESSION] 2017 =?utf-8?Q?Pixelbook_?=
 =?utf-8?Q?backlight_control_doesn=E2=80=99t?= work with 7.1 kernel
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On Sat, Jul 11, 2026 at 12:38:02PM -0600, Papool Chaudhari wrote:
> I tested both parent commits of the merge
> b3793af3277f65d256d67f9949e760b434ff66dd on my 2017 i5 Pixelbook (Eve)
> as requested, and unfortunately, neither side is bootable:
> 
> Side A (51cc1c427461): Fails to boot. Completely hangs early at
> "Loading initial ram disk".
> 
> Side B (88919bedabb8): Fails to boot. Hangs at the exact same early
> "Loading initial ram disk" stage.

That sounds like a different issue than the backlight, right?

Why not disable the ramdisk entirely for doing kernel build testing like
this?  It's not normally required unless you have some encrypted
partitions/disks.

thanks,

greg k-h