https://bugzilla.novell.com/show_bug.cgi?id=748619 https://bugzilla.novell.com/show_bug.cgi?id=748619#c1 --- Comment #1 from andreas bittner 2012-02-23 14:21:30 UTC --- more info about probably a potential lack of robustness in the handling of ipv6 and ipv4 addresses, maybe in the resolving modules of opensuse (bind?) or in the robustness of curl and associated stuff: host ftp.opensuse.org. ftp.opensuse.org is an alias for pontifex.opensuse.org. pontifex.opensuse.org has address 195.135.221.134 pontifex.opensuse.org has IPv6 address 2001:67c:2178:8::13 tuxbox:~ # grep "2001:67c:2178:8::13" /var/log/zypp* /var/log/zypper.log:2012-02-23 14:19:25 <3> tuxbox(7351) [zypp] MediaCurl.cc(doGetFileCopyFile):1410 curl error: 42: Failed to connect to 2001:67c:2178:8::13: Network is unreachable, temp file size 26995 bytes. /var/log/zypper.log:2012-02-23 14:19:25 <5> tuxbox(7351) [zypp] Exception.cc(log):137 Error message: Failed to connect to 2001:67c:2178:8::13: Network is unreachable /var/log/zypper.log:2012-02-23 14:19:25 <5> tuxbox(7351) [zypp] Exception.cc(log):137 Error message: Failed to connect to 2001:67c:2178:8::13: Network is unreachable /var/log/zypper.log:2012-02-23 14:19:25 <5> tuxbox(7351) [zypp] Exception.cc(log):137 Error message: Failed to connect to 2001:67c:2178:8::13: Network is unreachable /var/log/zypper.log:2012-02-23 14:19:25 <5> tuxbox(7351) [zypp] Exception.cc(log):137 Error message: Failed to connect to 2001:67c:2178:8::13: Network is unreachable /var/log/zypper.log:2012-02-23 14:19:25 <5> tuxbox(7351) [zypp] Exception.cc(log):137 Error message: Failed to connect to 2001:67c:2178:8::13: Network is unreachable /var/log/zypper.log:2012-02-23 14:19:25 <5> tuxbox(7351) [zypp] Exception.cc(log):137 Error message: Failed to connect to 2001:67c:2178:8::13: Network is unreachable /var/log/zypper.log:2012-02-23 14:20:14 <3> tuxbox(7429) [zypp] MediaCurl.cc(doGetFileCopyFile):1410 curl error: 7: Failed to connect to 2001:67c:2178:8::13: Network is unreachable, temp file size 0 bytes. /var/log/zypper.log:2012-02-23 14:20:14 <5> tuxbox(7429) [zypp] Exception.cc(log):137 Error message: Failed to connect to 2001:67c:2178:8::13: Network is unreachable /var/log/zypper.log:2012-02-23 14:20:14 <5> tuxbox(7429) [zypp] Exception.cc(log):137 Error message: Failed to connect to 2001:67c:2178:8::13: Network is unreachable /var/log/zypper.log:2012-02-23 14:20:14 <5> tuxbox(7429) [zypp] Exception.cc(log):137 Error message: Failed to connect to 2001:67c:2178:8::13: Network is unreachable /var/log/zypper.log:2012-02-23 14:20:14 <5> tuxbox(7429) [zypp] Exception.cc(log):137 Error message: Failed to connect to 2001:67c:2178:8::13: Network is unreachable /var/log/zypper.log:2012-02-23 14:20:14 <5> tuxbox(7429) [zypp] Exception.cc(log):137 Error message: Failed to connect to 2001:67c:2178:8::13: Network is unreachable /var/log/zypper.log:2012-02-23 14:20:14 <5> tuxbox(7429) [zypp] Exception.cc(log):137 Error message: Failed to connect to 2001:67c:2178:8::13: Network is unreachable so ftp.opensuse.org has both ipv4 and ipv6 addresses, maybe it has just been activated today for ipv6, or the dns zones been updated, or there was some race condition or the curl command or some libraries are just not very safe and robust when coming to how to handle domain names and ip addresses. my system never had ipv6, but my bind still resolves ipv6 entries for ftp.opensuse.org, and probably curl went for trying to access that ipv6 host address rather using the ipv4 address as my network interface cards and routing tables dont have any ipv6 at all. dont know who should be in charge for this bug, the curl maintainers or some other people within opensuse, zypper or wherever. please decide and make ipv4 and ipv6 more dependably and more resilient towards errors and handle these situations in a more userfriendly way. by now, zypper ref works again normally, and zypper up also updated some packages again for me just some moments ago. so there is still a bug or shortcoming in this whole scenario nevertheless. thanks. regards. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=748619 https://bugzilla.novell.com/show_bug.cgi?id=748619#c2 --- Comment #2 from andreas bittner 2012-03-13 17:29:13 UTC --- today on another 12.1/x86 machine, again ipv6 problem. this machine has those ff80:.... linklocal or whatever they are called ipv6 addresses, but no ipv6 routes and no ipv6 provider. ---------- # zypper ref zypper lu Download (curl) error for 'http://download.opensuse.org/distribution/12.1/repo/non-oss/content': Error code: Connection failed Error message: Failed to connect to 2001:67c:2178:8::13: Network is unreachable Abort, retry, ignore? [a/r/i/?] (a): ^C eth0 Link encap:Ethernet HWaddr 00:23:54:0B:49:A4 inet addr:192.168.178.253 Bcast:192.168.178.255 Mask:255.255.255.0 inet6 addr: fe80::223:54ff:fe0b:49a4/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:11600933 errors:0 dropped:0 overruns:0 frame:0 TX packets:6694585 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:14805415031 (14119.5 Mb) TX bytes:1196637732 (1141.2 Mb) Interrupt:18 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:3080 errors:0 dropped:0 overruns:0 frame:0 TX packets:3080 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:499667 (487.9 Kb) TX bytes:499667 (487.9 Kb) route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.178.1 0.0.0.0 UG 0 0 0 eth0 127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0 192.168.178.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 # ip route default via 192.168.178.1 dev eth0 127.0.0.0/8 dev lo scope link 169.254.0.0/16 dev eth0 scope link 192.168.178.0/24 dev eth0 proto kernel scope link src 192.168.178.253 cat /etc/SuSE-release openSUSE 12.1 (i586) VERSION = 12.1 CODENAME = Asparagus ---------------------- the locally installed and used bind can resolve the ipv6 address for download.opensuse.org host download.opensuse.org download.opensuse.org has address 195.135.221.134 download.opensuse.org has IPv6 address 2001:67c:2178:8::13 please fix. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=748619 https://bugzilla.novell.com/show_bug.cgi?id=748619#c4 Michael Andres changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |DUPLICATE --- Comment #4 from Michael Andres 2012-03-14 11:48:20 CET --- Please follow bug #684534. It looks like they are about to test a glibc patch which should fix this issue. *** This bug has been marked as a duplicate of bug 684534 *** http://bugzilla.novell.com/show_bug.cgi?id=684534 -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.