From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Hutchings Subject: Re: Bug#644281: linux-image-3.0.0-1-amd64: problem after changing mtu size on jme kernel module Date: Fri, 07 Oct 2011 05:17:52 +0100 Message-ID: <1317961087.4024.28.camel@deadeye> References: <20111004181353.3212.57206.reportbug@ASUS> Mime-Version: 1.0 Content-Type: multipart/signed; micalg="pgp-sha512"; protocol="application/pgp-signature"; boundary="=-WyfjlBB64h7JF2/SXxb5" Cc: 644281@bugs.debian.org, kantacki , netdev To: Guo-Fu Tseng Return-path: Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:40800 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751107Ab1JGESa (ORCPT ); Fri, 7 Oct 2011 00:18:30 -0400 In-Reply-To: <20111004181353.3212.57206.reportbug@ASUS> Sender: netdev-owner@vger.kernel.org List-ID: --=-WyfjlBB64h7JF2/SXxb5 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, 2011-10-04 at 20:13 +0200, kantacki wrote: > Package: linux-2.6 > Version: 3.0.0-3 > Severity: important > Tags: upstream >=20 > Hello, >=20 > When I try to execute: > ifconfig eth0 mtu 4000 up > or > ifconfig eth0 mtu 7198 up > my nic stops working and changing back to mtu 1500 does not help. > To use my nic again I have to execute: > rmmod jme > modprome jme > and the the command ifconfig eth0 mtu 1500 $IP up works and enables the n= etwork >=20 > My network card is Jmicron [...] Can you look into this, please? It appears that jme_change_mtu() doesn't stop the RX path and doesn't immediately reallocate RX buffers, and I think it should. Maybe that's not the problem though. Ben. --=20 Ben Hutchings For every action, there is an equal and opposite criticism. - Harrison --=-WyfjlBB64h7JF2/SXxb5 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIVAwUATo59cOe/yOyVhhEJAQq5fhAAqfHqVRIMWtWtvdFfKGGdKX6cHxhmLqlS ikjVgoFD0mJkmPYa8DcRNsrRmvrSHNHjVsK5s6MXrXfyuC0ld/scffTkkWVxMzoE 6jxBI6LXmEZQ7HxPU7/6ZFD3t5LUg4+IgsORZ7TQSBsojiXgEEQqM/KIVQKiMtYf 685UWuItYo3VGqtLzxwwxu9CESTokDTdm5nAMZ7CaeoVS/RsNS25b+O4av6aj+q7 TsCXNINKK+aml4D3YZWZbzSEez4fWbjLdprReC1xm79mKymThGbN7YCDTcAhtjZd blrA70egk5m9c4I8TmH8O/IPHYRM3MEiOQ3K8wQNWEjwKEgKXIOcpxPX87+5TybL mwbEHFj9ThWy8JpNGP4hNGD+P9MLYM7B2hUkojMf2jsXlOq5IFq1yzSla2RoV3JW FDqYY2zH995AR5WZqntZAK97dm3Lc2Gi7qOi49853tyuktx5vStuDwahbGUPw8Nq QU5clupD0e/IHdQEsuNYR0OTgjdWqJTp4p6AqBUU+4vFleLaVxMhaEHf2axmF229 ISol6AFHB0b84u4Sit/Zrk7qEfOLYQmUv/4iLuLXSobcLvYDHfRgPfnvzs2eWUpg IZqwwg27TYAQ2B2GzRbrS505ToRe1Bl0hCO3Qf492OPT62NPsx7SLMOdFbr9llsR LcQN7YtnQzc= =y5t/ -----END PGP SIGNATURE----- --=-WyfjlBB64h7JF2/SXxb5--