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Date:      Mon, 28 Jan 2019 09:48:08 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 230465] ixl: not working in netmap mode
Message-ID:  <bug-230465-227-qqMJuMIyAr@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-230465-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-230465-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D230465

Vincenzo Maffione <vmaffione@FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|New                         |In Progress

--- Comment #10 from Vincenzo Maffione <vmaffione@FreeBSD.org> ---
(In reply to Ozkan KIRIK from comment #9)

Hi,
  Thanks a lot for testing and for the patience.
Yes, this patch was not meant to fix the issue, but just to clean up a litt=
le
bit.
It would help to know what is the value of `sysctl
hw.ixl.enable_head_writeback` in your setup, and what does `dmesg | grep
"netmap queues"` say.

Could you please point me at the URL where you got your "releng/11.2 kernel
(FreeBSD 11.2-RELEASE-p8 #0 r343486)" exactly ? You are saying that ixl in =
this
version works, but r343486 corresponds to HEAD, which you are saying it doe=
sn't
work...
If ixl works on releng/11.2 than we can check what happened since then.

If you found that ixl/netmap doesn't work on 12.x, it means that the issue
there is in iflib, since ixl uses iflib, and iflib provides netmap support =
for
all the drivers.
We probably need to open another ticket for that, since it is a completely
different piece of code.

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