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Date:      Sun, 09 Jun 2024 08:41:43 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 279603] ig4 break after suspend/resume cycle on MateBook X Pro 2023(controller error during attach-2)
Message-ID:  <bug-279603-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D279603

            Bug ID: 279603
           Summary: ig4 break after suspend/resume cycle on MateBook X Pro
                    2023(controller error during attach-2)
           Product: Base System
           Version: 14.0-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: huanghwh@gmail.com

Created attachment 251308
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D251308&action=
=3Dedit
verbose log

I have a MateBook X Pro 2023 running 14.1-RELEASE, ig4 is not work after
resume:

# boot in single user=20
kldload ig4=20=20
kldunload ig4
kldload ig4=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20

works after go into wayland/sway

kldload ig4=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20
sysctl debug.acpi.suspend_bounce=3D1
acpiconf -s 3=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20
kldunload ig4
kldload ig4

after resume, not work in wayland/sway:
Jun  9 12:22:29 mbxp kernel: ig4iic0: controller error during attach-2
Jun  9 12:22:29 mbxp kernel: device_attach: ig4iic0 attach returned 6

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