From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 4 Dec 2003 02:19:01 -0800 From: Eugene Surovegin To: Wojciech Kromer Cc: "Linuxppc-Embedded (E-mail)" Subject: Re: memory problem with fec on 8250 Message-ID: <20031204101901.GB1050@gate.ebshome.net> References: <3FCD956B.8030604@gazeta.pl> <3FCEF441.2030808@dgt-lab.com.pl> <20031204091536.GA1050@gate.ebshome.net> <3FCF0252.7070202@dgt-lab.com.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <3FCF0252.7070202@dgt-lab.com.pl> Sender: owner-linuxppc-embedded@lists.linuxppc.org List-Id: On Thu, Dec 04, 2003 at 10:45:54AM +0100, Wojciech Kromer wrote: > > > >>>i have some problems with using fec device on my custom 8250 board > >>>while sending a lot of data (at least 300MB) through this device causes > >>>lack of memory > >>>sending same amount of data through loopback works fine > >>> [snip] > ==== at begining ========================================= > skbuff_head_cache 131 192 160 8 8 1 > size-2048 5 178 2048 3 89 1 > > ===after some time (ftp put ~75MB) ================================ > > skbuff_head_cache 16857 16872 160 703 703 1 > size-2048 16749 16798 2048 8382 8399 1 It looks like skb leaks in the driver. Probably in TX path. Could you send me by private e-mail source code for ethernet driver in question or provide a URL. I'm not a 8250 guy, but I'll try to look at it :) Eugene. ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/