Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755111Ab1CXPIj (ORCPT ); Thu, 24 Mar 2011 11:08:39 -0400 Received: from mail-gx0-f174.google.com ([209.85.161.174]:52604 "EHLO mail-gx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751545Ab1CXPIh convert rfc822-to-8bit (ORCPT ); Thu, 24 Mar 2011 11:08:37 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type :content-transfer-encoding; b=Uz+HR8cpEjb9sr6X1lPg84DndgXzBofZTO3oa6jSE38FhEvpaHBfeJS2vBjYoTOz81 VaSd0ob9DG+Q19DAmCSd5blo6ZHl0gbREd/U48kUsdrnWfPN81+sj2QNURVo4LOadHGL E2LCCjoRX5EywXavmsNLEuh8S1YUBR1HwFypI= MIME-Version: 1.0 Date: Thu, 24 Mar 2011 16:08:36 +0100 Message-ID: Subject: regression: ip r change mss doesn't work in 2.6.38-git14 From: Alessandro Suardi To: linux-kernel@vger.kernel.org, netdev Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 6025 Lines: 136 After fixing the display issue thanks to Chris Wilson, I now have another problem (which didn't exist in 2.6.38-git2); most websites outside of my DSL link don't work properly (connection packet goes through, but the page load times out within Firefox) unless I do ip r change default via 192.168.1.1 dev eth1 advmss 1400 This however doesn't change advmss anymore: [root@duff ~]# ip r default via 192.168.1.1 dev eth1 169.254.0.0/16 dev eth1 scope link metric 1004 192.168.1.0/24 dev eth1 proto kernel scope link src 192.168.1.8 [root@duff ~]# ip r change default via 192.168.1.1 dev eth1 advmss 1400 [root@duff ~]# ip r default via 192.168.1.1 dev eth1 169.254.0.0/16 dev eth1 scope link metric 1004 192.168.1.0/24 dev eth1 proto kernel scope link src 192.168.1.8 strace of this operation doesn't appear to show errors in userspace, which is btw: [root@duff ~]# ip -V ip utility, iproute2-ss100804 [root@duff ~]# rpm -qf /sbin/ip iproute-2.6.35-6.fc14.x86_64 execve("/sbin/ip", ["ip", "r", "change", "default", "via", "192.168.1.1", "dev", "eth1", "advmss", "1400"], [/* 23 vars */]) = 0 brk(0) = 0x2461000 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f79c8d1c000 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory) open("/etc/ld.so.cache", O_RDONLY) = 3 fstat(3, {st_mode=S_IFREG|0644, st_size=101259, ...}) = 0 mmap(NULL, 101259, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f79c8d03000 close(3) = 0 open("/lib64/libresolv.so.2", O_RDONLY) = 3 read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0p8`12\0\0\0"..., 832) = 832 fstat(3, {st_mode=S_IFREG|0755, st_size=113832, ...}) = 0 mmap(0x3231600000, 2202280, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3231600000 mprotect(0x3231617000, 2093056, PROT_NONE) = 0 mmap(0x3231816000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x16000) = 0x3231816000 mmap(0x3231818000, 6824, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3231818000 close(3) = 0 open("/lib64/libdl.so.2", O_RDONLY) = 3 read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\340\r /2\0\0\0"..., 832) = 832 fstat(3, {st_mode=S_IFREG|0755, st_size=22536, ...}) = 0 mmap(0x322f200000, 2109720, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x322f200000 mprotect(0x322f202000, 2097152, PROT_NONE) = 0 mmap(0x322f402000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x322f402000 close(3) = 0 open("/lib64/libgcc_s.so.1", O_RDONLY) = 3 read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\360( 02\0\0\0"..., 832) = 832 fstat(3, {st_mode=S_IFREG|0755, st_size=89760, ...}) = 0 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f79c8d02000 mmap(0x3230200000, 2183032, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3230200000 mprotect(0x3230215000, 2093056, PROT_NONE) = 0 mmap(0x3230414000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x14000) = 0x3230414000 close(3) = 0 open("/lib64/libc.so.6", O_RDONLY) = 3 read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0p\357\241.2\0\0\0"..., 832) = 832 fstat(3, {st_mode=S_IFREG|0755, st_size=1956608, ...}) = 0 mmap(0x322ea00000, 3781816, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x322ea00000 mprotect(0x322eb91000, 2097152, PROT_NONE) = 0 mmap(0x322ed91000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x191000) = 0x322ed91000 mmap(0x322ed96000, 21688, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x322ed96000 close(3) = 0 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f79c8d01000 mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f79c8cff000 arch_prctl(ARCH_SET_FS, 0x7f79c8cff720) = 0 mprotect(0x3231816000, 4096, PROT_READ) = 0 mprotect(0x322f402000, 4096, PROT_READ) = 0 mprotect(0x322ed91000, 16384, PROT_READ) = 0 mprotect(0x322e81e000, 4096, PROT_READ) = 0 munmap(0x7f79c8d03000, 101259) = 0 socket(PF_NETLINK, SOCK_RAW, 0) = 3 setsockopt(3, SOL_SOCKET, SO_SNDBUF, [32768], 4) = 0 setsockopt(3, SOL_SOCKET, SO_RCVBUF, [1048576], 4) = 0 bind(3, {sa_family=AF_NETLINK, pid=0, groups=00000000}, 12) = 0 getsockname(3, {sa_family=AF_NETLINK, pid=4336, groups=00000000}, [12]) = 0 sendto(3, "\24\0\0\0\22\0\1\3\330]\213M\0\0\0\0\0\0\0\0", 20, 0, NULL, 0) = 20 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"\344\3\0\0\20\0\2\0\330]\213M\360\20\0\0\0\0\4\3\1\0\0\0I\0\1\0\0\0\0\0"..., 16384}], msg_controllen=0, msg_flags=0}, 0) = 3020 brk(0) = 0x2461000 brk(0x2482000) = 0x2482000 brk(0) = 0x2482000 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"\24\0\0\0\3\0\2\0\330]\213M\360\20\0\0\0\0\0\0\1\0\0\0I\0\1\0\0\0\0\0"..., 16384}], msg_controllen=0, msg_flags=0}, 0) = 20 sendmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"8\0\0\0\30\0\5\1\331]\213M\0\0\0\0\2\0\0\0\376\3\0\1\0\0\0\0\10\0\5\0"..., 56}], msg_controllen=0, msg_flags=0}, 0) = 56 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"$\0\0\0\2\0\0\0\331]\213M\360\20\0\0\0\0\0\0008\0\0\0\30\0\5\1\331]\213M"..., 16384}], msg_controllen=0, msg_flags=0}, 0) = 36 exit_group(0) = ? Thanks in advance, --alessandro ?"There's always a siren singing you to shipwreck" ?? (Radiohead, "There There") -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/