Date: Wed, 21 Apr 2021 18:04:23 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 235524] igb(4): Ethernet interface loses active link state Message-ID: <bug-235524-7501-PCvrrbPB2l@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-235524-7501@https.bugs.freebsd.org/bugzilla/> References: <bug-235524-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D235524 mack@ifis.cs.tu-bs.de changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mack@ifis.cs.tu-bs.de --- Comment #10 from mack@ifis.cs.tu-bs.de --- Same problem here from time to time on a four port realtek card (re0, re1 currently used). Machine is used as a router and it now happened three times that the interf= aces somehow get shut off - not seen, what the real problem is, as we had to hav= e it up and running very quickly, so an immediate reboot helped in all three cas= es. link state changes to DOWN / UP happens once or twice every minute, when we cannot receive any packets on both interfaces, even though only one interfa= ce is logged with this problem. This switching down and up again happens every now and then without further impact. Time between DOWN and UP message is four seconds quite consistently= . Is seems to be triggered from a watchdog timeout (kernel: re0: wathcdog timeou= t). Maybe the problem gets triggered by (too?) much network traffic, as the net= work traffic was probably higher during those three cases. Btw.: someone mentioned of similar problems when pf was enabled and no problems, when pf was disabled. We are running ipfilter on that machine, so= it might be possible that filtering and high traffic promotes these problems, regardless of the network card used. --=20 You are receiving this mail because: You are the assignee for the bug. You are on the CC list for the bug.=
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