netdev - r8169: Thecus N2100, multicast packets problem

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Message-ID: <87lk0cpej3.fsf@frontier.dottedmag.net>
Date:	Tue, 08 Jul 2008 22:43:44 +0700
From:	Mikhail Gusarov <dottedmag@...tedmag.net>
To:	407217@...s.debian.org
Subject: r8169: Thecus N2100, multicast packets problem

Hello,

I'm experiencing a problem with RTL-8169 network card on Thecus N2100
NAS device on 2.6.24 and 2.6.25 kernels (did not try other versions).

System seems to be unable either to receive or to transmit multicast
packets until promiscous mode is set on interface: mDNS does not work on
this device, both for resolving other .local names or answering mDNS
requests.

Running tcpdump corrects the situation. Unicast packets work fine.

I'm not on the list, so please keep me in CC.

Additional info:

[dottedmag@...enas:~]1% cat /proc/cpuinfo 
Processor	: XScale-80219 rev 0 (v5l)
BogoMIPS	: 593.10
Features	: swp half fastmult edsp 
CPU implementer	: 0x69
CPU architecture: 5TE
CPU variant	: 0x0
CPU part	: 0x2e3
CPU revision	: 0
Cache type	: undefined 5
Cache clean	: undefined 5
Cache lockdown	: undefined 5
Cache format	: Harvard
I size		: 32768
I assoc		: 32
I line length	: 32
I sets		: 32
D size		: 32768
D assoc		: 32
D line length	: 32
D sets		: 32

Hardware	: Thecus N2100
Revision	: 0000
Serial		: 0000000000000000
[dottedmag@...enas:~]% lspci
00:01.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8169 Gigabit Ethernet (rev 10)
00:02.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8169 Gigabit Ethernet (rev 10)
00:03.0 Mass storage controller: Silicon Image, Inc. SiI 3512 [SATALink/SATARaid] Serial ATA Controller (rev 01)
00:04.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 62)
00:04.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 62)
00:04.2 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 65)
[dottedmag@...enas:~]% lspci -n
00:01.0 0200: 10ec:8169 (rev 10)
00:02.0 0200: 10ec:8169 (rev 10)
00:03.0 0180: 1095:3512 (rev 01)
00:04.0 0c03: 1106:3038 (rev 62)
00:04.1 0c03: 1106:3038 (rev 62)
00:04.2 0c03: 1106:3104 (rev 65)
[dottedmag@...enas:~]% uname -a
Linux homenas 2.6.25-2-iop32x #2 Sat Jun 28 16:10:57 UTC 2008 armv5tel GNU/Linux

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