* iproute2 and 2.6.0-test9
@ 2003-10-27 11:42 Arkadiusz Miskiewicz
0 siblings, 0 replies; only message in thread
From: Arkadiusz Miskiewicz @ 2003-10-27 11:42 UTC (permalink / raw)
To: netdev
Hi,
I have problem with 2.6.0-test9. iproute hangs when flushing ie:
[root@mobarm arekm]# ip a
1: lo: <LOOPBACK,UP> mtu 16436 qdisc noqueue
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
inet6 ff02::1/128 scope global
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,NOTRAILERS,UP> mtu 1500 qdisc pfifo_fast qlen
1000
link/ether 00:a0:cc:da:d9:3c brd ff:ff:ff:ff:ff:ff
inet 192.168.2.2/24 brd 192.168.2.255 scope global eth0
inet6 fe80::2a0:ccff:feda:d93c/64 scope link
valid_lft forever preferred_lft forever
inet6 ff02::1:ffda:d93c/128 scope global
valid_lft forever preferred_lft forever
inet6 ff02::1/128 scope global
valid_lft forever preferred_lft forever
3: irda0: <NOARP,UP> mtu 2048 qdisc pfifo_fast qlen 8
link/irda
4: sit0: <NOARP> mtu 1480 qdisc noop
link/sit 0.0.0.0 brd 0.0.0.0
[root@mobarm arekm]# ip link set eth0 down
[root@mobarm arekm]# ip a flush dev eth0
(hangs here but I can interrupt it with ctrl+c)
[arekm@mobarm arekm]$ ps aux | grep "ip a"
root 12479 93.9 0.1 1560 328 pts/3 R 12:33 0:18 ip a flush dev
eth0
arekm 12513 0.0 0.2 2100 620 pts/5 S 12:33 0:00 grep ip a
[arekm@mobarm arekm]$ ps arx -O wchan | grep "ip a"
12479 - R pts/3 00:00:57 ip a flush dev eth0
eats 93.9% cpu,
When doing the other way - first flush, then down everything is ok:
[root@mobarm arekm]# ip a flush dev eth0
[root@mobarm arekm]# ip link set eth0 down
[root@mobarm arekm]#
iproute2-2.4.7.ss020116
strace shows:
5525 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK,
sa_data="\0\0\0\0\0\0\0\0\0\0\0\0\0\0"}, msg_iov(1)=[{"@\0\0\0\24\0\2\
0\177\35\255?\245<\0\0\n\200\200\376\1\0"..., 8192}], msg_controllen=0,
msg_flags=0}, 0) = 192
15525 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK,
sa_data="\0\0\0\0\0\0\0\0\0\0\0\0\0\0"}, msg_iov(1)=[{"\24\0\0\0\3\0\2
\0\177\35\255?\245<\0\0\0\0\0\0\1\0\0\0"..., 8192}], msg_controllen=0,
msg_flags=0}, 0) = 20
15525 sendto(3, "@\0\0\0\25\0\1\0\200\35\255?\245<\0\0\n\200\200\0\2\0\0"...,
64, 0, {sa_family=AF_NETLINK, sa_data="\0\0\0\
0\0\0\0\0\0\0\20\306\377\277"}, 12) = 64
15525 sendto(3, "\24\0\0\0\26\0\1\3\201\35\255?\0\0\0\0\0\365\377\277", 20, 0,
{sa_family=AF_NETLINK, sa_data="\0\0\0\0\0\0\
0\0\0\0\20\306\377\277"}, 12) = 20
15525 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK,
sa_data="\0\0\0\0\0\0\0\0\0\0\0\0\0\0"}, msg_iov(1)=[{"$\0\0\0\2\0\0\0
\200\35\255?\245<\0\0\235\377\377\377@\0"..., 8192}], msg_controllen=0,
msg_flags=0}, 0) = 36
15525 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK,
sa_data="\0\0\0\0\0\0\0\0\0\0\0\0\0\0"}, msg_iov(1)=[{"<\0\0\0\24\0\2\
0\201\35\255?\245<\0\0\2\10\200\376\1\0"..., 8192}], msg_controllen=0,
msg_flags=0}, 0) = 60
15525 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK,
sa_data="\0\0\0\0\0\0\0\0\0\0\0\0\0\0"}, msg_iov(1)=[{"@\0\0\0\24\0\2\
0\201\35\255?\245<\0\0\n\200\200\376\1\0"..., 8192}], msg_controllen=0,
msg_flags=0}, 0) = 192
15525 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK,
sa_data="\0\0\0\0\0\0\0\0\0\0\0\0\0\0"}, msg_iov(1)=[{"\24\0\0\0\3\0\2
\0\201\35\255?\245<\0\0\0\0\0\0\1\0\0\0"..., 8192}], msg_controllen=0,
msg_flags=0}, 0) = 20
15525 sendto(3, "@\0\0\0\25\0\1\0\202\35\255?\245<\0\0\n\200\200\0\2\0\0"...,
64, 0, {sa_family=AF_NETLINK, sa_data="\0\0\0\
0\0\0\0\0\0\0\20\306\377\277"}, 12) = 64
15525 sendto(3, "\24\0\0\0\26\0\1\3\203\35\255?\0\0\0\0\0\365\377\277", 20, 0,
{sa_family=AF_NETLINK, sa_data="\0\0\0\0\0\0\
0\0\0\0\20\306\377\277"}, 12) = 20
15525 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK,
sa_data="\0\0\0\0\0\0\0\0\0\0\0\0\0\0"}, msg_iov(1)=[{"$\0\0\0\2\0\0\0
\202\35\255?\245<\0\0\235\377\377\377@\0"..., 8192}], msg_controllen=0,
msg_flags=0}, 0) = 36
15525 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK,
sa_data="\0\0\0\0\0\0\0\0\0\0\0\0\0\0"}, msg_iov(1)=[{"<\0\0\0\24\0\2\
0\203\35\255?\245<\0\0\2\10\200\376\1\0"..., 8192}], msg_controllen=0,
msg_flags=0}, 0) = 60
15525 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK,
sa_data="\0\0\0\0\0\0\0\0\0\0\0\0\0\0"}, msg_iov(1)=[{"@\0\0\0\24\0\2\
0\203\35\255?\245<\0\0\n\200\200\376\1\0"..., 8192}], msg_controllen=0,
msg_flags=0}, 0) = 192
15525 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK,
sa_data="\0\0\0\0\0\0\0\0\0\0\0\0\0\0"}, msg_iov(1)=[{"\24\0\0\0\3\0\2
\0\203\35\255?\245<\0\0\0\0\0\0\1\0\0\0"..., 8192}], msg_controllen=0,
msg_flags=0}, 0) = 20
15525 sendto(3, "@\0\0\0\25\0\1\0\204\35\255?\245<\0\0\n\200\200\0\2\0\0"...,
64, 0, {sa_family=AF_NETLINK, sa_data="\0\0\0\
0\0\0\0\0\0\0\20\306\377\277"}, 12) = 64
15525 sendto(3, "\24\0\0\0\26\0\1\3\205\35\255?\0\0\0\0\0\365\377\277", 20, 0,
{sa_family=AF_NETLINK, sa_data="\0\0\0\0\0\0\
0\0\0\0\20\306\377\277"}, 12) = 20
15525 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK,
sa_data="\0\0\0\0\0\0\0\0\0\0\0\0\0\0"}, msg_iov(1)=[{"$\0\0\0\2\0\0\0
\204\35\255?\245<\0\0\235\377\377\377@\0"..., 8192}], msg_controllen=0,
msg_flags=0}, 0) = 36
15525 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK,
sa_data="\0\0\0\0\0\0\0\0\0\0\0\0\0\0"}, msg_iov(1)=[{"<\0\0\0\24\0\2\
0\205\35\255?\245<\0\0\2\10\200\376\1\0"..., 8192}], msg_controllen=0,
msg_flags=0}, 0) = 60
15525 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK,
sa_data="\0\0\0\0\0\0\0\0\0\0\0\0\0\0"}, msg_iov(1)=[{"@\0\0\0\24\0\2\
0\205\35\255?\245<\0\0\n\200\200\376\1\0"..., 8192}], msg_controllen=0,
msg_flags=0}, 0) = 192
15525 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK,
sa_data="\0\0\0\0\0\0\0\0\0\0\0\0\0\0"}, msg_iov(1)=[{"\24\0\0\0\3\0\2
\0\205\35\255?\245<\0\0\0\0\0\0\1\0\0\0"..., 8192}], msg_controllen=0,
msg_flags=0}, 0) = 20
15525 sendto(3, "@\0\0\0\25\0\1\0\206\35\255?\245<\0\0\n\200\200\0\2\0\0"...,
64, 0, {sa_family=AF_NETLINK, sa_data="\0\0\0\
0\0\0\0\0\0\0\20\306\377\277"}, 12) = 64
15525 sendto(3, "\24\0\0\0\26\0\1\3\207\35\255?\0\0\0\0\0\365\377\277", 20, 0,
{sa_family=AF_NETLINK, sa_data="\0\0\0\0\0\0\
0\0\0\0\20\306\377\277"}, 12) = 20
15525 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK,
sa_data="\0\0\0\0\0\0\0\0\0\0\0\0\0\0"}, msg_iov(1)=[{"$\0\0\0\2\0\0\0
\206\35\255?\245<\0\0\235\377\377\377@\0"..., 8192}], msg_controllen=0,
msg_flags=0}, 0) = 36
15525 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK,
sa_data="\0\0\0\0\0\0\0\0\0\0\0\0\0\0"}, msg_iov(1)=[{"<\0\0\0\24\0\2\
0\207\35\255?\245<\0\0\2\10\200\376\1\0"..., 8192}], msg_controllen=0,
msg_flags=0}, 0) = 60
15525 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK,
sa_data="\0\0\0\0\0\0\0\0\0\0\0\0\0\0"}, msg_iov(1)=[{"@\0\0\0\24\0\2\
0\207\35\255?\245<\0\0\n\200\200\376\1\0"..., 8192}], msg_controllen=0,
msg_flags=0}, 0) = 192
15525 recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK,
sa_data="\0\0\0\0\0\0\0\0\0\0\0\0\0\0"}, msg_iov(1)=[{"\24\0\0\0\3\0\2
\0\207\35\255?\245<\0\0\0\0\0\0\1\0\0\0"..., 8192}], msg_controllen=0,
msg_flags=0}, 0) = 20
15525 sendto(3, "@\0\0\0\25\0\1\0\210\35\255?\245<\0\0\n\200\200\0\2\0\0"...,
64, 0, {sa_family=AF_NETLINK, sa_data="\0\0\0\
0\0\0\0\0\0\0\20\306\377\277"}, 12) = 64
15525 sendto(3, "\24\0\0\0\26\0\1\3\211\35\255?\0\0\0\0\0\365\377\277", 20, 0,
{sa_family=AF_NETLINK, sa_data="\0\0\0\0\0\0\
0\0\0\0\20\306\377\277"}, 12) = 20
ps. please cc me as I'm not subscribed
--
Arkadiusz Miśkiewicz, Grupa BeeProvider - http://www.beep.pl/
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