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Re: Problem with mbufs...
- From: "M.PREM KUMAR" <prem at cdotb dot ernet dot in>
- To: Andrew Lunn <andrew dot lunn at ascom dot ch>
- Cc: eCos Disuss <ecos-discuss at sources dot redhat dot com>
- Date: Wed, 18 Dec 2002 21:29:06 +0500 (GMT+0500)
- Subject: Re: [ECOS] Problem with mbufs...
Hi Andrew,
I am using ecos version 1.3.1
I made CYG_PKG_MEM_USAGE to double the size of default value. Still
there was no use.
regards
prem.
On Wed, 18 Dec 2002, Andrew Lunn wrote:
> On Wed, Dec 18, 2002 at 06:04:50PM +0500, M.PREM KUMAR wrote:
> >
> >
> > Hi Andrew,
> >
> > First let me thankyou for the information provided.
> > I am not using latest version of eCos. Is there any bug w.r.t mbufs in
> > older version?
>
> Depends on how old, but yes.
>
> > Further, I am sorry I couldn't get your question, "Checking of
> > receiver half of the code is not leaking as well"
> > Can you kindly elaborate it.
>
> ping sends and receives. You say you have checked eth_drv_tx_done. So
> you have checked for leaks in mbufs used for transmitting. Have you
> looked for leaks of mbufs when receiving the ICMP ECHO reply?
>
> > Current value of CYGPKG_NET_MEM_USAGE is 262144 (Default value).
>
> This controls the number of mbufs, clusters and memory pool. See
> packages/net/tcpip/current/src/ecos/support.c If you want more mbufs,
> increase this.
>
> Also, please CC ecos-discuss@sources.redhat.com
>
> Andrew
>
> >
> >
> > rgds
> > prem
> >
> >
> >
> >
> >
> >
> > On Wed, 18 Dec 2002, Andrew Lunn wrote:
> >
> > > Are you using the latest version of eCos from anoncvs?
> > >
> > > > I am running ping program on our card (Uses MPC860 as base
> > > > processor). When trying to send more pings, there is a warning of
> > > > "eth_recv out of Mbufs" and I am not able to send further pings. Ethernet
> > > > driver is calling eth_drv_tx_done() properly for freeing resources (in
> > > > this case
> > > > mbufs.)
> > >
> > > Have you checked that the receiver half of the code is not leaking as
> > > well?
> > >
> > > > I want to give a try by increasing amount of Mbufs. Can anyone tell how
> > > > to increase the amount of MBufs. Further, if anyone already had a similar
> > > > problem, provide with the necessary information to solve.
> > >
> > > Increase CYGPKG_NET_MEM_USAGE.
> > >
> > > Andrew
> > >
> >
> >
>
> --
> Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos
> and search the list archive: http://sources.redhat.com/ml/ecos-discuss
>
>
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