Обновился с 10.10 последовательно на 11.04, 11.10, потом на 12.04. Перестал отвечать mysqld .
mysql -h127.0.0.1 -uroot
ERROR 2013 (HY000): Lost connection to MySQL server at 'reading initial communication packet', system error: 0
При этом без хоста работает
mysql -uroot
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 16
Server version: 5.5.24-0ubuntu0.12.04.1-log (Ubuntu)
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mysql>
mysqld запущен на 3306
netstat -ntpl | grep mysql
tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN 6856/mysqld
Во время неудачной попытки идет обмен
[stark => ~]$ sudo tcpdump -i lo -n port 3306
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on lo, link-type EN10MB (Ethernet), capture size 65535 bytes
11:14:49.844506 IP 127.0.0.1.51486 > 127.0.0.1.3306: Flags [S], seq 2744153817, win 32792, options [mss 16396,sackOK,TS val 16970367 ecr 0,nop,wscale 4], length 0
11:14:49.844526 IP 127.0.0.1.3306 > 127.0.0.1.51486: Flags [S.], seq 1395965413, ack 2744153818, win 32768, options [mss 16396,sackOK,TS val 16970367 ecr 16970367,nop,wscale 4], length 0
11:14:49.844540 IP 127.0.0.1.51486 > 127.0.0.1.3306: Flags [.], ack 1, win 2050, options [nop,nop,TS val 16970367 ecr 16970367], length 0
11:14:49.844673 IP 127.0.0.1.3306 > 127.0.0.1.51486: Flags [F.], seq 1, ack 1, win 2048, options [nop,nop,TS val 16970367 ecr 16970367], length 0
11:14:49.844734 IP 127.0.0.1.51486 > 127.0.0.1.3306: Flags [F.], seq 1, ack 2, win 2050, options [nop,nop,TS val 16970367 ecr 16970367], length 0
11:14:49.844753 IP 127.0.0.1.3306 > 127.0.0.1.51486: Flags [.], ack 2, win 2048, options [nop,nop,TS val 16970367 ecr 16970367], length 0
Не знаю что делать . iptables почистил , в /etc/hosts.allow прописал
mysqld: all
Не помогает