netdev - Re: r8169: Thecus N2100, multicast packets problem

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Message-ID: <20080720202455.GA5036@deprecation.cyrius.com>
Date:	Sun, 20 Jul 2008 23:24:55 +0300
From:	Martin Michlmayr <tbm@...ius.com>
To:	romieu@...zoreil.com
Cc:	Mikhail Gusarov <dottedmag@...tedmag.net>, netdev@...r.kernel.org,
	407217@...s.debian.org
Subject: Re: r8169: Thecus N2100, multicast packets problem

Francois,

Did you see the bug report below?  Several people are affected by this
(all on the same hardware) and apparently this has never worked (i.e.
also shows up with 2.6.18).

* Mikhail Gusarov <dottedmag@...tedmag.net> [2008-07-08 22:43]:
> 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
> 
> -- 



-- 
Martin Michlmayr
http://www.cyrius.com/
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