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Date:      Thu, 31 Oct 2024 10:04:39 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 277849] [bge] panic when attaching if_bge on Supermicro H13SSL-N
Message-ID:  <bug-277849-7501-RhlRSxrimB@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-277849-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-277849-7501@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D277849

--- Comment #5 from Zhenlei Huang <zlei@FreeBSD.org> ---
(In reply to Martin Matuska from comment #2)
> with unpopulated ifm:
> ifm->ifm_mask =3D 0
> ifm->ifm_media =3D 0
> ifm->ifm_cur =3D 0x0
> ifm->ifm_change =3D 0x0
> ifm->ifm_status =3D 0x0

That looks weird.

>From line 3821 to 3842, either TBI mode or not the ifmedia data is initiali=
zed
correctly.

For if_bge, the ifp->if_ioctl should be bge_ioctl(). Can you get that frame=
 (
if possible ), and examine `sc->bge_flags`, `sc->bge_ifmedia` and
`sc->bge_miibus->softc->mii_media` ? sc =3D=3D ifp->if_softc .

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