Date: Mon, 09 Nov 2015 09:35:12 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-net@FreeBSD.org Subject: [Bug 200221] em0 watchdog timeout under load Message-ID: <bug-200221-2472-JSgcXktu9z@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-200221-2472@https.bugs.freebsd.org/bugzilla/> References: <bug-200221-2472@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=200221 Julien Cigar <jcigar@ulb.ac.be> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jcigar@ulb.ac.be --- Comment #20 from Julien Cigar <jcigar@ulb.ac.be> --- Hello, I'm running 10.2-RELEASE on a HP Proliant Microserver with the following network interface: em0@pci0:2:0:0: class=0x020000 card=0xa01f8086 chip=0x10d38086 rev=0x00 hdr=0x00 vendor = 'Intel Corporation' device = '82574L Gigabit Network Connection' class = network subclass = ethernet The machine run an NFS server and unless I mount the shared folder with a rsize/wsize of 32768 I'm experiencing watchdog timeouts after a few minutes under load (for ex streaming a movie): Nov 7 23:25:26 mordor kernel: em0: Watchdog timeout Queue[0]-- resetting Nov 7 23:25:26 mordor kernel: Interface is RUNNING and ACTIVE Nov 7 23:25:26 mordor kernel: em0: TX Queue 0 ------ Nov 7 23:25:26 mordor kernel: em0: hw tdh = 508, hw tdt = 402 Nov 7 23:25:26 mordor kernel: em0: Tx Queue Status = -2147483648 Nov 7 23:25:26 mordor kernel: em0: TX descriptors avail = 93 Nov 7 23:25:26 mordor kernel: em0: Tx Descriptors avail failure = 0 Nov 7 23:25:26 mordor kernel: em0: RX Queue 0 ------ Nov 7 23:25:26 mordor kernel: em0: hw rdh = 206, hw rdt = 205 Nov 7 23:25:26 mordor kernel: em0: RX discarded packets = 0 Nov 7 23:25:26 mordor kernel: em0: RX Next to Check = 206 Nov 7 23:25:26 mordor kernel: em0: RX Next to Refresh = 205 Nov 7 23:25:26 mordor kernel: em0: link state changed to DOWN Nov 7 23:25:30 mordor kernel: em0: link state changed to UP ... and I have to do an "hard" reboot -- You are receiving this mail because: You are the assignee for the bug.
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