Have you tried another mirror? El 30 de noviembre de 2015 3:27:22 CET, mudongliang <mudongliangabcd@xxxxxxxxxxx> escribió: > ># pacman -Syu >:: Synchronizing package databases... >error: failed retrieving file 'core.db' from mirrors.ustc.edu.cn : Recv >failure: Connection reset by peer >error: failed retrieving file 'core.db' from mirrors.163.com : Recv >failure: Connection reset by peer >error: failed retrieving file 'core.db' from archlinux.polymorf.fr : >Recv failure: Connection reset by peer >error: failed retrieving file 'core.db' from fooo.biz : Recv failure: >Connection reset by peer >error: failed retrieving file 'core.db' from mirror.one.com : Recv >failure: Connection reset by peer >^C >Interrupt signal received > >But I found that I can ping mirrors.ustc.edu.cn ># ping mirrors.ustc.edu.cn >PING mirrors.ustc.edu.cn (202.38.95.110) 56(84) bytes of data. >64 bytes from mirrors.ustc.edu.cn (202.38.95.110): icmp_seq=1 ttl=128 >time=5.46 ms >64 bytes from mirrors.ustc.edu.cn (202.38.95.110): icmp_seq=2 ttl=128 >time=5.68 ms >64 bytes from mirrors.ustc.edu.cn (202.38.95.110): icmp_seq=3 ttl=128 >time=5.07 ms >^C >--- mirrors.ustc.edu.cn ping statistics --- >3 packets transmitted, 3 received, 0% packet loss, time 2003ms >rtt min/avg/max/mdev = 5.076/5.410/5.686/0.252 ms > >I don't know what's the problem about my x86_64 archlinux. > >-- >My best regards to you. > > No System Is Safe! > mudongliang