Bug#858125: e1000: ethernet interface hangs occasionally, kernel reports hang

From	"Bruce Momjian,,," <bruce@momjian.us>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#858125: e1000: ethernet interface hangs occasionally, kernel reports hang
Date	2017-03-23 20:30 +0100
Message-ID	<togAO-6Ol-11@gated-at.bofh.it> (permalink)
References	(5 earlier) <tnygp-8eX-9@gated-at.bofh.it> <tnABB-1iQ-33@gated-at.bofh.it> <tnEvw-3Xg-19@gated-at.bofh.it> <tnEYy-4sn-9@gated-at.bofh.it> <to1V7-4Sh-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

Show all headers | View raw

On Wed, Mar 22, 2017 at 11:41:57PM -0400, Bruce Momjian,,, wrote:
> > OK, I am running this after setting flow control on/default on the
> > switch and Debian, and rebooting:
> > 
> > 	daemon -- sh -c "while :; do date;ethtool -S eth0| grep flow_control;
> > 	sleep 1;done > /root/ethtool"
> > 
> > I will report back with the relevant logging lines once it hangs again. 
> 
> OK, I have results of a hang after 24 hours of uptime.  The hangs are
> listed here via dmesg -T:
> 
> 	http://momjian.us/expire/eth0/dmesg.txt
> 
> showing the watchdog warning/hang/reset at 23:01 and port hang/reset at
> 23:10.
> 
> I have also produced the ethtool -S output every second for the entire
> 24-hour period, gziped, at:
> 
> 	http://momjian.us/expire/eth0/ethtool.gz
> 
> You will see reception of a large number of rx_flow_control_xoff
> messages about 50 minutes before the hangs, and just before the hangs.

I had four more 14 hours later so I created new files that also include
the earlier ones:

	http://momjian.us/expire/eth0/dmesg2.txt
	http://momjian.us/expire/eth0/ethtool2.gz

The last two dmesg lines at 13:29  are me turning of flow control on the
switch so they are not problems.

-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

+ As you are, so once was I.  As I am, so you will be. +
+                      Ancient Roman grave inscription +

Thread

Bug#858125: e1000: ethernet interface hangs occasionally, kernel reports hang Ben Hutchings <ben@decadent.org.uk> - 2017-03-18 22:10 +0100
  Bug#858125: e1000: ethernet interface hangs occasionally, kernel reports hang "Bruce Momjian,,," <bruce@momjian.us> - 2017-03-18 22:20 +0100
    Bug#858125: e1000: ethernet interface hangs occasionally, kernel reports hang Ben Hutchings <ben@decadent.org.uk> - 2017-03-18 23:10 +0100
      Bug#858125: e1000: ethernet interface hangs occasionally, kernel reports hang "Bruce Momjian,,," <bruce@momjian.us> - 2017-03-18 23:20 +0100
        Bug#858125: e1000: ethernet interface hangs occasionally, kernel reports hang "Bruce Momjian,,," <bruce@momjian.us> - 2017-03-18 23:40 +0100
          Bug#858125: e1000: ethernet interface hangs occasionally, kernel reports hang "Bruce Momjian,,," <bruce@momjian.us> - 2017-03-21 21:10 +0100
            Bug#858125: e1000: ethernet interface hangs occasionally, kernel reports hang "Bruce Momjian,,," <bruce@momjian.us> - 2017-03-21 23:40 +0100
              Bug#858125: e1000: ethernet interface hangs occasionally, kernel reports hang Ben Hutchings <ben@decadent.org.uk> - 2017-03-22 03:50 +0100
                Processed: Re: Bug#858125: e1000: ethernet interface hangs  occasionally, kernel reports hang owner@bugs.debian.org (Debian Bug Tracking System) - 2017-03-22 03:50 +0100
                Bug#858125: e1000: ethernet interface hangs occasionally, kernel reports hang "Bruce Momjian,,," <bruce@momjian.us> - 2017-03-22 04:20 +0100
                Bug#858125: e1000: ethernet interface hangs occasionally, kernel reports hang "Bruce Momjian,,," <bruce@momjian.us> - 2017-03-23 04:50 +0100
                Bug#858125: e1000: ethernet interface hangs occasionally, kernel reports hang "Bruce Momjian,,," <bruce@momjian.us> - 2017-03-23 20:30 +0100
                Bug#858125: e1000: ethernet interface hangs occasionally, kernel reports hang "Bruce Momjian,,," <bruce@momjian.us> - 2017-04-11 00:10 +0200
                Bug#858125: e1000: ethernet interface hangs occasionally, kernel reports hang "Bruce Momjian,,," <bruce@momjian.us> - 2017-08-12 01:40 +0200
  Bug#858125: e1000: ethernet interface hangs occasionally, kernel reports hang "Bruce Momjian,,," <bruce@momjian.us> - 2017-03-18 23:00 +0100

csiph-web