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Date:      Sat, 06 Nov 2021 11:24:33 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 259673] ichwd does not detect qemu i6300esb virtual watchdog
Message-ID:  <bug-259673-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D259673

            Bug ID: 259673
           Summary: ichwd does not detect qemu i6300esb virtual watchdog
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: christi@coraline.org

I discovered this bug in FreeBSD 12.1 but was able to reproduce it using the
latest FreeBSD daily qcows2 image.

Qemu has the facility to provide an emulated watchdog.  This shows up withi=
n a
FreeBSD guest as follows (output of pciconf -v -l

    none0@pci0:0:4:0:       class=3D0x088000 card=3D0x11001af4 chip=3D0x25a=
b8086
rev=3D0x00 hdr=3D0x00
        vendor     =3D 'Intel Corporation'
        device     =3D '6300ESB Watchdog Timer'
        class      =3D base peripheral

If I enable ichwd by adding

    ichwd_enable=3D"YES"=20

to /boot/loader.conf, ichwd does not detect this "hardware".  The i6300ESB
watchdog appears to be supported by ichwd, so it is not clear why this is n=
ot
working.

--=20
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