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Groups > linux.debian.bugs.dist > #736082

Bug#820622: linux-image-4.5.0-trunk-armmp-lpae: raspberry pi 2: smsc95xx 1-1.1:1.0 eth0: kevent 2 may have been dropped

From Vagrant Cascadian <vagrant@debian.org>
Newsgroups linux.debian.bugs.dist, linux.debian.kernel
Subject Bug#820622: linux-image-4.5.0-trunk-armmp-lpae: raspberry pi 2: smsc95xx 1-1.1:1.0 eth0: kevent 2 may have been dropped
Date 2016-05-03 06:10 +0200
Message-ID <ruzON-PC-3@gated-at.bofh.it> (permalink)
References (2 earlier) <rmywx-5QK-3@gated-at.bofh.it> <rny1s-5Eb-11@gated-at.bofh.it> <rsVTs-5A5-13@gated-at.bofh.it> <ruaQp-2AB-1@gated-at.bofh.it> <rurey-nY-25@gated-at.bofh.it>
Organization linux.* mail to news gateway

Cross-posted to 2 groups.

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On 2016-05-02, Ben Hutchings wrote:
> On Sun, 2016-05-01 at 18:20 -0700, Vagrant Cascadian wrote:
>> On 2016-04-28, Ben Hutchings wrote:
>> > Could you test with turbo_mode re-enabled and with this patch applied?
>> > 
>> > Also could you test network receive throughput (e.g. with netperf -t
>> > TCP_STREAM, sending *to* the RPi) in these three different
>> > configurations:
>> Ok, if I understood you correctly...
>> 
>> Installed netperf on another machine, and ran:
>> 
>>   netperf -t TCP_STREAM 10.0.0.50
>
> That is not correct syntax; you need to put a -H before the IP address.

Ok. Never used netperf before... will try again!

For what it's worth, the patched driver did still appear to eventually
generate the error logs reported:

  smsc95xx 1-1.1:1.0 eth0: kevent 2 may have been dropped

So at best, it reduces the problem, rather than solving it.


live well,
  vagrant

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Bug#820622: linux-image-4.5.0-trunk-armmp-lpae: raspberry pi 2: smsc95xx 1-1.1:1.0 eth0: kevent 2 may have been dropped Vagrant Cascadian <vagrant@debian.org> - 2016-04-10 20:20 +0200
  Bug#820622: linux-image-4.5.0-trunk-armmp-lpae: raspberry pi 2: smsc95xx 1-1.1:1.0 eth0: kevent 2 may have been dropped Ben Hutchings <ben@decadent.org.uk> - 2016-04-10 21:20 +0200
    Bug#820622: linux-image-4.5.0-trunk-armmp-lpae: raspberry pi 2: smsc95xx 1-1.1:1.0 eth0: kevent 2 may have been dropped Vagrant Cascadian <vagrant@debian.org> - 2016-04-10 22:30 +0200
    Bug#820622: linux-image-4.5.0-trunk-armmp-lpae: raspberry pi 2:  smsc95xx 1-1.1:1.0 eth0: kevent 2 may have been dropped Diederik de Haas <didi.debian@cknow.org> - 2016-04-10 23:00 +0200
      Bug#820622: linux-image-4.5.0-trunk-armmp-lpae: raspberry pi 2:  smsc95xx 1-1.1:1.0 eth0: kevent 2 may have been dropped Ben Hutchings <ben@decadent.org.uk> - 2016-04-11 02:20 +0200
        Bug#820622: linux-image-4.5.0-trunk-armmp-lpae: raspberry pi 2:  smsc95xx 1-1.1:1.0 eth0: kevent 2 may have been dropped Vagrant Cascadian <vagrant@debian.org> - 2016-04-11 03:10 +0200
          Bug#820622: linux-image-4.5.0-trunk-armmp-lpae: raspberry pi 2:  smsc95xx 1-1.1:1.0 eth0: kevent 2 may have been dropped Vagrant Cascadian <vagrant@debian.org> - 2016-04-11 17:20 +0200
          Bug#820622: linux-image-4.5.0-trunk-armmp-lpae: raspberry pi 2:  smsc95xx 1-1.1:1.0 eth0: kevent 2 may have been dropped Vagrant Cascadian <vagrant@debian.org> - 2016-04-13 20:50 +0200
            Bug#820622: linux-image-4.5.0-trunk-armmp-lpae: raspberry pi 2:  smsc95xx 1-1.1:1.0 eth0: kevent 2 may have been dropped Ben Hutchings <ben@decadent.org.uk> - 2016-04-28 17:20 +0200
              Bug#820622: linux-image-4.5.0-trunk-armmp-lpae: raspberry pi 2:  smsc95xx 1-1.1:1.0 eth0: kevent 2 may have been dropped Diederik de Haas <didi.debian@cknow.org> - 2016-04-28 17:40 +0200
                Bug#820622: linux-image-4.5.0-trunk-armmp-lpae: raspberry pi 2:  smsc95xx 1-1.1:1.0 eth0: kevent 2 may have been dropped Ben Hutchings <ben@decadent.org.uk> - 2016-04-28 18:20 +0200
              Bug#820622: linux-image-4.5.0-trunk-armmp-lpae: raspberry pi 2:  smsc95xx 1-1.1:1.0 eth0: kevent 2 may have been dropped Vagrant Cascadian <vagrant@debian.org> - 2016-05-02 03:30 +0200
                Bug#820622: linux-image-4.5.0-trunk-armmp-lpae: raspberry pi 2:  smsc95xx 1-1.1:1.0 eth0: kevent 2 may have been dropped Ben Hutchings <ben@decadent.org.uk> - 2016-05-02 21:00 +0200
                Bug#820622: linux-image-4.5.0-trunk-armmp-lpae: raspberry pi 2:  smsc95xx 1-1.1:1.0 eth0: kevent 2 may have been dropped Vagrant Cascadian <vagrant@debian.org> - 2016-05-03 06:10 +0200
                Bug#820622: linux-image-4.5.0-trunk-armmp-lpae: raspberry pi 2:  smsc95xx 1-1.1:1.0 eth0: kevent 2 may have been dropped Vagrant Cascadian <vagrant@debian.org> - 2016-05-03 18:20 +0200
                Bug#820622: linux-image-4.5.0-trunk-armmp-lpae: raspberry pi 2:  smsc95xx 1-1.1:1.0 eth0: kevent 2 may have been dropped Ben Hutchings <ben@decadent.org.uk> - 2016-05-07 13:50 +0200
                Bug#820622: linux-image-4.5.0-trunk-armmp-lpae: raspberry pi 2:  smsc95xx 1-1.1:1.0 eth0: kevent 2 may have been dropped Diederik de Haas <didi.debian@cknow.org> - 2016-05-07 14:10 +0200
  Bug#820622: linux-image-4.5.0-trunk-armmp-lpae: raspberry pi 2: smsc95xx 1-1.1:1.0 eth0: kevent 2 may have been dropped Bjørn Mork <bjorn@mork.no> - 2016-04-11 10:20 +0200
    Bug#820622: linux-image-4.5.0-trunk-armmp-lpae: raspberry pi 2: smsc95xx 1-1.1:1.0 eth0: kevent 2 may have been dropped Ben Hutchings <ben@decadent.org.uk> - 2016-04-11 13:30 +0200
      Bug#820622: linux-image-4.5.0-trunk-armmp-lpae: raspberry pi 2: smsc95xx 1-1.1:1.0 eth0: kevent 2 may have been dropped Bjørn Mork <bjorn@mork.no> - 2016-04-11 15:10 +0200

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