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[Bug 849751] New: 13.1/post-rc2, x64 (via dup) does not see pcie dual-nic (realtek based with plx pcie bridge) on certain pcie ports?
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Sun, 10 Nov 2013 11:51:13 +0000
  • Message-id: <bug-849751-21960@http.bugzilla.novell.com/>

https://bugzilla.novell.com/show_bug.cgi?id=849751

https://bugzilla.novell.com/show_bug.cgi?id=849751#c0


Summary: 13.1/post-rc2, x64 (via dup) does not see pcie
dual-nic (realtek based with plx pcie bridge) on
certain pcie ports?
Classification: openSUSE
Product: openSUSE 13.1
Version: Final
Platform: x86-64
OS/Version: Other
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Kernel
AssignedTo: kernel-maintainers@xxxxxxxxxxxxxxxxxxxxxx
ReportedBy: abittner@xxxxxxxxxxx
QAContact: qa-bugs@xxxxxxx
Found By: ---
Blocker: ---


User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:25.0) Gecko/20100101
Firefox/25.0

Undecided if this is some sort of bios trouble or some kernel initialisation
problem, but apparently on this rather new FM2+ board (AMD, Asus A88XM-Plus)
opensuse 13.1/x64/post-rc2 (via dup) does not see my dual-nic (realtek chipset,
with additional PLX pci bridge) in certain PCIe slots of this mainboard. The
mainboard has two PCIe 16x slots and one tiny PCIe 1x slot. Initially I tried
my two pieces of this dual-nic PCIe cards in the PCIe 16x slots and booted up
and installed opensuse 13.1/rc2, but these two additional realtek dual nic PCIe
cards never were visible anywhere not in dmesg, not with lspci.

So then I tried to plug-in only one single piece of these dual-nic PCIe cards
into the last PCIe 1x slot, and then suddently the opensuse 13.1 was seeing
this one dual-nic card and the onboard single nic (all Realtek).

So I am wondering what is wrong here, is this some firmware/bios (UEFI)
trouble, or some kernele bug or regression? According to the PCIe card vendor
and product documentation this sort of card with its PLX bridge chipset and the
really standard Realtek gigabitethernet chipsets is supposedly compatible with
Linux as of Kernels 2.6 and so on.

Also currently when having the card installed in the PCIe 1x slot, the card
displays fine with dmesg and lspci and also uses the very same Realtek kernel
driver module as the onboard included Realtek chip (slightly different revision
or version).


Is there some trouble with the bridges initialising too many PCI buses or
Interrupts, memory windows and mappings and resources and all these things? Am
I trying the impossible?

I would really need to use the second dual-nic PCIe Realtek card as well giving
me five ethernet interfaces all together with the onboard ethernet port.

Thanks for helping with this bug.

Reproducible: Always

Steps to Reproduce:
1.
2.
3.



Board:
http://www.asus.com/Motherboards/A88XMPLUS

Dual-Ethernet PCIe card is:
DeLOCK 89346, 2x 1000Base-TX, PCIe x1
http://www.delock.com/produkt/89346/pdf.html?sprache=en


lspci:
+-15.0-[02-05]----00.0-[03-05]--+-01.0-[04]----00.0 Realtek
Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet
Controller
| \-02.0-[05]----00.0 Realtek
Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet
Controller
+-15.1-[06]----00.0 Realtek Semiconductor Co., Ltd.
RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller

02:00.0 PCI bridge [0604]: PLX Technology, Inc. Device [10b5:8603] (rev aa)
03:01.0 PCI bridge [0604]: PLX Technology, Inc. Device [10b5:8603] (rev aa)
03:02.0 PCI bridge [0604]: PLX Technology, Inc. Device [10b5:8603] (rev aa)
04:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd.
RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 06)
05:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd.
RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 06)
06:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd.
RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 0c)


dmesg:
[ 5.654437] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
[ 5.655012] r8169 0000:04:00.0 eth0: RTL8168evl/8111evl at
0xffffc90001948000, 00:0a:cd:21:e3:e5, XID 0c900800 IRQ 57
[ 5.655014] r8169 0000:04:00.0 eth0: jumbo features [frames: 9200 bytes, tx
checksumming: ko]
[ 5.655035] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
[ 5.655360] r8169 0000:05:00.0 eth1: RTL8168evl/8111evl at
0xffffc9000194a000, 00:0a:cd:21:e3:e6, XID 0c900800 IRQ 58
[ 5.655361] r8169 0000:05:00.0 eth1: jumbo features [frames: 9200 bytes, tx
checksumming: ko]
[ 5.655368] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
[ 5.657199] r8169 0000:06:00.0 eth2: RTL8168g/8111g at 0xffffc90001974000,
d8:50:e6:4c:08:d4, XID 0c000800 IRQ 59
[ 5.657202] r8169 0000:06:00.0 eth2: jumbo features [frames: 9200 bytes, tx
checksumming: ko]
[ 5.706037] systemd-udevd[309]: renamed network interface eth2 to enp6s0
[ 6.409314] systemd-udevd[306]: renamed network interface eth0 to enp4s0
[ 6.415252] systemd-udevd[307]: renamed network interface eth1 to enp5s0

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