Sorry, I meant to send that to the other thread. Was this after the
iflib driver commit? If so it's odd that we haven't seen anything like this and
I'll try to get a fix in ASAP.---- On Wed, 11 Jan 2017 03:06:19 -0800
Me<mm...@nextbsd.org> wrote ----It looks like I have the wrong msix bar value
for your NIC. Will fix in the next day or so.-M---- On Wed, 11 Jan 2017
00:27:30 -0800 O. Hartmann<ohartm...@walstatt.org> wrote ----Running recent
CURRENT (FreeBSD 12.0-CURRENT #5 r311919: Wed Jan 11 08:24:28 CET 2017 amd64),
the system freezes when doing a rsync over automounted (autofs) NFSv4
filesystem, mounted from another CURRENT server (same revision, but with BCM
NICs). The host in question is a Fujitsu Celsius M740 equipted with an Intel
NIC: [...] em0: <Intel(R) PRO/1000 Network Connection> port 0xf020-0xf03f mem
0xfb300000-0xfb31ffff,0xfb339000-0xfb339fff at device 25.0 numa-domain 0 on
pci1 em0: attach_pre capping queues at 1 em0: using 1024 tx descriptors and
1024 rx descriptors em0: msix_init qsets capped at 1 em0: Unable to map MSIX
table em0: Using an MSI interrupt em0: allocated for 1 tx_queues em0:
allocated for 1 rx_queues em0: netmap queues/slots: TX 1/1024, RX 1/1024 [...]
The pciconf output reveals: em0@pci0:0:25:0: class=0x020000
card=0x11ed1734 chip=0x153a8086 rev=0x05 hdr=0x00 vendor = 'Intel
Corporation' device = 'Ethernet Connection I217-LM' class =
network subclass = ethernet bar [10] = type Memory, range 32, base
0xfb300000, size 131072, enabled bar [14] = type Memory, range 32, base
0xfb339000, size 4096, enabled bar [18] = type I/O Port, range 32, base
0xf020, size 32, enabled cap 01[c8] = powerspec 2 supports D0 D3 current
D0 cap 05[d0] = MSI supports 1 message, 64 bit enabled with 1 message
cap 13[e0] = PCI Advanced Features: FLR TP I have a customized kernel. The NIC
has revealed itself all the time as an "emX" device (never as igbX). The kernel
contains device netmap (if relevevant). The phenomenon: Syncing a poudriere
repository between to remote hosts, I use rsync on a NGSv4 exported filesystem,
mounted via AUTOFS. So far, this work two days ago perfectly. Since yesterday,
syncing brings down the network connection - the connection is simply dead.
Terminating the rsync, bringing em0 down and up again doesn't help much, for
short moments, the connection is established, but dies within seconds.
Restarting via "service netif restart" all network services have the same
effect: after the desaster, it is impossible for me to bring back the
NIC/connection to normal, I have to reboot. The same happens when having heavy
network load, but it takes a time and even rsync isn't "deadly" within the same
timeframe - it takes sometimes a couple of seconds, another takes only one or
two seconds to make the connection die. I checked with dd'ing a large file
over that connection, it takes several seconds then to make the connection
freezing (so, someone could reproduce iy not ncessarily using rsync). Kind
regards, oh _______________________________________________
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