From: "Dmitry V. Levin" <ldv@altlinux.org> To: ALT Linux Sisyphus mailing list <sisyphus@lists.altlinux.org> Subject: Re: [sisyphus] Новый iproute2 и старые ядра Date: Fri, 14 Mar 2008 22:22:15 +0300 Message-ID: <20080314192215.GC28646@wo.int.altlinux.org> (raw) In-Reply-To: <20080314162207.GF21743@newmaster.mivlgu.local> [-- Attachment #1.1: Type: text/plain, Size: 1483 bytes --] On Fri, Mar 14, 2008 at 07:22:07PM +0300, Sergey Vlasov wrote: > On Fri, Mar 14, 2008 at 07:18:27PM +0300, Sergey Vlasov wrote: > > On Fri, Mar 14, 2008 at 05:18:27PM +0200, Victor Forsyuk wrote: > > > On Fri, Mar 14, 2008 at 05:20:06PM +0300, Dmitry V. Levin wrote: > > > > On Fri, Mar 14, 2008 at 03:45:58PM +0200, Victor Forsyuk wrote: > > > > [...] > > > > > Соответственно, остается только один вопрос - "что делать"? > > > > > > > > Хорошо бы исправить iproute2. > > > > > > Хорошо бы, ясное дело... Я даже догадываюсь в районе чего их > > > рекламируемая "should be backward compatible with older kernels" > > > дала сбой: > > > http://www.mail-archive.com/netdev@vger.kernel.org/msg40276.html > > > > Действительно, там отсутствие поддержки в ядре определяется по > > возвращаемому из ядра в ответ на этот запрос коду ошибки -EOPNOTSUPP. > > Однако этот код возвращается только в версиях >= 2.6.22 (см. commit > > 038890fed8d1fa95bbbdeb517f5710eb75fa9e2e в ядре); более старые версии в > > этом случае возвращают -EINVAL, поэтому iproute2 ошибочно считает, что > > ядро поддерживает нужные команды netlink. > > http://www.redhat.com/archives/fedora-extras-commits/2008-February/msg01214.html > http://lists.pld-linux.org/mailman/pipermail/pld-cvs-commit/Week-of-Mon-20071022/172139.html http://git.kernel.org/?p=linux/kernel/git/shemminger/iproute2.git;a=commitdiff;h=ss-060323-158-g66e529f Кто соберёт исправленный iproute2? -- ldv [-- Attachment #1.2: iproute-2.6.23-up-RTM_NEWLINK.patch --] [-- Type: text/plain, Size: 1399 bytes --] From 66e529f579f45351828fc82d6ba2629cc6eb3ddd Mon Sep 17 00:00:00 2001 From: Patrick McHardy <kaber@trash.net> Date: Thu, 25 Oct 2007 19:46:29 +0200 Subject: [PATCH] iproute 2.6.23 incompatibility Arkadiusz Miskiewicz wrote: > People are reporting that >> ip link set multicast on dev eth0 (Invalid argument) >> no longer works when using iproute 2.6.23 on kernel 2.6.21. >> >> On my testing machine it also fails: >> # ./ip link set eth0 multicast on >> RTNETLINK answers: Invalid argument It seems it fails to properly detect that your kernel is missing RTM_NEWLINK support. Apparently the reason is that the kernels I tested with return a different error in this situation. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> --- ip/iplink.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/ip/iplink.c b/ip/iplink.c index 8e0ed2a..f28f91c 100644 --- a/ip/iplink.c +++ b/ip/iplink.c @@ -107,7 +107,8 @@ static int accept_msg(const struct sockaddr_nl *who, { struct nlmsgerr *err = (struct nlmsgerr *)NLMSG_DATA(n); - if (n->nlmsg_type == NLMSG_ERROR && err->error == -EOPNOTSUPP) + if (n->nlmsg_type == NLMSG_ERROR && + (err->error == -EOPNOTSUPP || err->error == -EINVAL)) have_rtnl_newlink = 0; else have_rtnl_newlink = 1; -- 1.5.4.4.GIT [-- Attachment #2: Type: application/pgp-signature, Size: 197 bytes --]
next prev parent reply other threads:[~2008-03-14 19:22 UTC|newest] Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top 2008-03-14 9:03 [sisyphus] Откуда взялось RTNETLINK answers: Invalid argument? Sergei Naumov 2008-03-14 9:12 ` Dmitriy Kruglikov 2008-03-14 9:34 ` Rafael Malikov 2008-03-14 10:25 ` Peter Evdokimov 2008-03-14 10:12 ` Rafael Malikov 2008-03-14 10:46 ` Peter Evdokimov 2008-03-14 11:19 ` Dmitriy Kruglikov 2008-03-14 13:47 ` ruslandh 2008-03-14 13:45 ` [sisyphus] Новый iproute2 и старые ядра Victor Forsyuk 2008-03-14 14:20 ` Dmitry V. Levin 2008-03-14 15:18 ` Victor Forsyuk 2008-03-14 16:18 ` Sergey Vlasov 2008-03-14 16:22 ` Sergey Vlasov 2008-03-14 19:22 ` Dmitry V. Levin [this message] 2008-03-14 20:27 ` Victor Forsyuk 2008-03-15 12:45 ` Denis Ovsienko 2008-03-14 16:12 ` Peter Evdokimov 2008-03-14 16:16 ` Led 2008-03-14 17:52 ` [sisyphus] Новый iproute2 и старые ядра (madwifi отвалился? ) Sergei O. Naumov 2008-03-14 22:08 ` Konstantin A. Lepikhov 2008-03-14 16:51 ` [sisyphus] Откуда взялось RTNETLINK answers: Invalid argument? Sergei O. Naumov 2008-03-14 16:51 ` Sergei O. Naumov
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