Date: Mon, 23 Apr 2018 09:59:48 +0200 From: Borja Marcos <borjam@sarenet.es> To: Allan Jude <allanjude@freebsd.org> Cc: freebsd-hackers@freebsd.org Subject: Re: Realtek re(4) driver Message-ID: <214C069B-940F-41B4-A417-5AF5CC3F7E09@sarenet.es> In-Reply-To: <054b8c2c-7cd4-fdc2-d02c-d9d8e0ca3c20@freebsd.org> References: <CAA3ZYrCdBWi%2BXSge%2BYfDH73a5QpaK0oOVTABb2k16NA5xUx%2BdA@mail.gmail.com> <054b8c2c-7cd4-fdc2-d02c-d9d8e0ca3c20@freebsd.org>
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> On 11 Apr 2018, at 19:34, Allan Jude <allanjude@freebsd.org> wrote:
>
> I think it would be useful to collect the 'pciconf -lv' output of the
> re(4) devices that have issues, so they can be differentiated from the
> ones that work fine.
There we go. The machine is an Intel NUC6CAYB. Yep, sounds stupid. Intel using Realtek Ethernet chips. Sigh.
re0: <RealTek 8168/8111 B/C/CP/D/DP/E/F/G PCIe Gigabit Ethernet> port 0xe000-0xe
0ff mem 0x91104000-0x91104fff,0x91100000-0x91103fff at device 0.0 on pci3
re0: Using 1 MSI-X message
re0: turning off MSI enable bit.
re0: Chip rev. 0x54000000
re0: MAC rev. 0x00100000
miibus0: <MII bus> on re0
rgephy0: <RTL8251 1000BASE-T media interface> PHY 1 on miibus0
rgephy0: none, 10baseT, 10baseT-FDX, 10baseT-FDX-flow, 100baseTX, 100baseTX-FDX, 100baseTX-FDX-flow, 1000baseT-FDX, 1000baseT-FDX-master, 1000baseT-FDX-flow, 1000baseT-FDX-flow-master, auto, auto-flow
re0: Using defaults for TSO: 65518/35/2048
re0: Ethernet address: 94:c6:91::
re0@pci0:3:0:0: class=0x020000 card=0x20678086 chip=0x816810ec rev=0x15 hdr=0x00
vendor = 'Realtek Semiconductor Co., Ltd.'
device = 'RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller'
class = network
subclass = ethernet
What I’ve observed is crazy packet loss and round trip times especially when running an iSCSI initiator with a lot
of filesystem activity.
Borja.
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