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Date:      Thu, 02 Aug 2018 08:28:14 +0000
From:      bugzilla-noreply@freebsd.org
To:        virtualization@FreeBSD.org
Subject:   [Bug 225791] ena driver causing kernel panics on AWS EC2
Message-ID:  <bug-225791-27103-TpJ9msKlzf@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-225791-27103@https.bugs.freebsd.org/bugzilla/>
References:  <bug-225791-27103@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D225791

Ling <in2@gamesofa.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |in2@gamesofa.com

--- Comment #14 from Ling <in2@gamesofa.com> ---
Hi, I'm running 11.2-RELEASE on ec2 singapore. while, no panic encountered =
yet,
 ENA keeps going down and up every EXACTLY 30 mins and causes about .5% pac=
ket
loss.

on server 1 c5.2xlarge, traffic is 50Mbps,
Aug  2 00:24:40 ip-10-251-18-192 kernel: ena0: device is going DOWN
Aug  2 00:24:40 ip-10-251-18-192 kernel: ena0: device is going UP
Aug  2 00:54:40 ip-10-251-18-192 kernel: ena0: device is going DOWN
Aug  2 00:54:40 ip-10-251-18-192 kernel: ena0: device is going UP
Aug  2 01:24:41 ip-10-251-18-192 kernel: ena0: device is going DOWN
Aug  2 01:24:41 ip-10-251-18-192 kernel: ena0: device is going UP
Aug  2 01:54:40 ip-10-251-18-192 kernel: ena0: device is going DOWN
Aug  2 01:54:41 ip-10-251-18-192 kernel: ena0: device is going UP

on server 2 c5.large, traffic is <1Mbps
Aug  2 00:18:00 proxy621 kernel: ena0: device is going DOWN
Aug  2 00:18:00 proxy621 kernel: ena0: device is going UP
Aug  2 00:48:00 proxy621 kernel: ena0: device is going DOWN
Aug  2 00:48:00 proxy621 kernel: ena0: device is going UP
Aug  2 01:18:00 proxy621 kernel: ena0: device is going DOWN
Aug  2 01:18:00 proxy621 kernel: ena0: device is going UP
Aug  2 01:48:00 proxy621 kernel: ena0: device is going DOWN
Aug  2 01:48:00 proxy621 kernel: ena0: device is going UP


grep ena /var/log/messages is here
server 1:
https://nopaste.xyz/?ac03ff403e167965#pg6GYMdb+yReKI4OFiR7vmXqVy7fCsYI5e9TX=
2hdqTA=3D
server 2:
https://nopaste.xyz/?4b43d08c79c5bc32#gIcXQRyZTFZ0e7M9aW8NQQLatv78UBD3p6Gu7=
ZQ0QPs=3D

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