Date: Thu, 25 Jul 2019 14:30:47 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 239443] Intel NIC vs ACPI sleep, network loses Message-ID: <bug-239443-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D239443 Bug ID: 239443 Summary: Intel NIC vs ACPI sleep, network loses Product: Base System Version: 12.0-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: bin Assignee: bugs@FreeBSD.org Reporter: mason@blisses.org I don't know for sure that this is just related to ACPI sleep or if it happ= ens randomly as well, but my wired NIC has trouble where it will lose its addre= ss, saying it is 0.0.0.0, say concurrently that it had no carrier, and then tak= e=20 out all the switches near it. I didn't think to get a pcap, but I'd note all switches three hops out from= =20 the thing blinking madly on all ports. Not yet having the culprit identified, we moved things yesterday so that th= e=20 Thinkpad ended up being one switch closer to the central switch in the cell= ar, and it knocked out most of the network in the house, rather than just my office.=20 I'm not sure how best to debug this. I can't have the thing loose on my=20 network, but I can construct a DMZ and let it live in that for data=20 collection. Before I dive into that, though, I'd love to get a list of data= =20 that would be maximally useful for me to collect. The system in question is a Thinkpad T420, and the NIC is an Intel 82579LM.= =20 It's running updated FreeBSD 12-RELEASE. --=20 You are receiving this mail because: You are the assignee for the bug.=
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