Date: Thu, 19 Feb 2026 21:56:48 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 293302] Intel 10G X540-AT2 always shows "status: no carrier" Message-ID: <bug-293302-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=293302 Bug ID: 293302 Summary: Intel 10G X540-AT2 always shows "status: no carrier" Product: Base System Version: 15.0-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Many People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: pusateri@bangj.com Dual 10Gbase-T RJ-45 Intel X540 card doesn't work ix0@pci0:3:0:0: class=0x020000 rev=0x01 hdr=0x00 vendor=0x8086 device=0x1528 sub vendor=0x1dcf subdevice=0x031b vendor = 'Intel Corporation' device = 'Ethernet Controller 10-Gigabit X540-AT2' class = network subclass = ethernet ix1@pci0:3:0:1: class=0x020000 rev=0x01 hdr=0x00 vendor=0x8086 device=0x1528 sub vendor=0x1dcf subdevice=0x031b vendor = 'Intel Corporation' device = 'Ethernet Controller 10-Gigabit X540-AT2' class = network subclass = ethernet Card configures correctly (static) but after attaching to 10G switch, 2.5G switch, and 1G switches, can never get carrier signal. Tried manually "ifconfig ix0 up" and other variants with media option and still doesn't work. Tried this on both 15.0-RELEASE-p3 and 14.3-RELEASE-p7 but neither worked. -- You are receiving this mail because: You are the assignee for the bug.home | help
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