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Mon, 6 Apr 2026 03:46:09 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 282140] igc(4): Wake on LAN not working with Intel I226-V and GENERIC Kernel Date: Mon, 06 Apr 2026 03:46:08 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 14.1-RELEASE X-Bugzilla-Keywords: IntelNetworking X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: hnishida@thelustrecollective.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc attachments.created Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D282140 Hiroshi Nishida changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |hnishida@thelustrecollectiv | |e.com --- Comment #3 from Hiroshi Nishida --- Created attachment 269399 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D269399&action= =3Dedit Fix Wake-on-LAN for Intel I226-V (igc driver) Tested on Intel NUC 13 Pro (Arena Canyon, Core i5-1340P) with FreeBSD 14.4-RELEASE. Two issues were found: 1. igc_get_wakeup() never sets IGC_WUFC_MAG (magic packet bit), causing igc_enable_wakeup() to always skip WOL setup and jump to pme: label without arming the NIC for magic packet wakeup. 2. The PHY Power Management register has DIS_100_D3, DIS_1000_D3, and DIS_2500_D3 bits set, which disable link speeds in D3 state and prevent the NIC from receiving magic packets after shutdown. Fix: Always set IGC_WUFC_MAG in igc_get_wakeup(), and clear the DIS_*_D3 bits in the PHPM register in igc_enable_wakeup(). --=20 You are receiving this mail because: You are the assignee for the bug.=