Tony Luck, Tue, Feb 28, 2006 16:59:09 +0100:
> > I doubt it is a problem with mirroring, since it affects all repos
> > (kernel, git, cogito, etc.) at the same time.
>
> Ditto. Jes has been grumbling overnight that he can't get a reliable pull
> from my kernel repo ... and that hasn't been updated in 10 days, so the
> mirror code shouldn't be touching it. His error was:
>
> fatal: read error (Connection reset by peer)
> Fetch failure: git://git.kernel.org/pub/...
>
> He also reported that after a few retries it worked.
I had the problems too and even made the patch (below) to see what it
was. I saw to A-records for zeus-pub.kernel.org (git.kernel.org is an
alias of it) where one of them (I believe it was 204.152.191.37)
sometimes didn't answer or dropped connection.
---
connect.c | 41 +++++++++++++++++++++++++++++++++++++++--
1 files changed, 39 insertions(+), 2 deletions(-)
b5ceb5f3f1c6ff62a3ccb13f360a34b07b9c8482
diff --git a/connect.c b/connect.c
index 3f2d65c..e911fde 100644
--- a/connect.c
+++ b/connect.c
@@ -322,6 +322,23 @@ static enum protocol get_protocol(const
#ifndef NO_IPV6
+static const char *ai_name(const struct addrinfo *ai)
+{
+ static char addr[INET_ADDRSTRLEN];
+ if ( AF_INET == ai->ai_family ) {
+ struct sockaddr_in *in;
+ in = (struct sockaddr_in *)ai->ai_addr;
+ inet_ntop(ai->ai_family, &in->sin_addr, addr, sizeof(addr));
+ } else if ( AF_INET6 == ai->ai_family ) {
+ struct sockaddr_in6 *in;
+ in = (struct sockaddr_in6 *)ai->ai_addr;
+ inet_ntop(ai->ai_family, &in->sin6_addr, addr, sizeof(addr));
+ } else {
+ strcpy(addr, "(unknown)");
+ }
+ return addr;
+}
+
static int git_tcp_connect(int fd[2], const char *prog, char *host, char *path)
{
int sockfd = -1;
@@ -329,6 +346,7 @@ static int git_tcp_connect(int fd[2], co
char *port = STR(DEFAULT_GIT_PORT);
struct addrinfo hints, *ai0, *ai;
int gai;
+ int cnt = 0;
if (host[0] == '[') {
end = strchr(host + 1, ']');
@@ -355,15 +373,23 @@ static int git_tcp_connect(int fd[2], co
if (gai)
die("Unable to look up %s (%s)", host, gai_strerror(gai));
- for (ai0 = ai; ai; ai = ai->ai_next) {
+ for (ai0 = ai; ai; ++cnt, ai = ai->ai_next) {
sockfd = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
if (sockfd < 0)
continue;
if (connect(sockfd, ai->ai_addr, ai->ai_addrlen) < 0) {
+ fprintf(stderr, "%s: %s[%d: %s]: net=%s, errno=%s\n",
+ argv0,
+ host,
+ cnt,
+ ai_name(ai),
+ hstrerror(h_errno),
+ strerror(errno));
close(sockfd);
sockfd = -1;
continue;
}
+ fprintf(stderr, "using %s[%s]\n", host, ai_name(ai));
break;
}
@@ -389,6 +415,7 @@ static int git_tcp_connect(int fd[2], co
struct sockaddr_in sa;
char **ap;
unsigned int nport;
+ int cnt;
if (host[0] == '[') {
end = strchr(host + 1, ']');
@@ -420,7 +447,7 @@ static int git_tcp_connect(int fd[2], co
nport = se->s_port;
}
- for (ap = he->h_addr_list; *ap; ap++) {
+ for (cnt = 0, ap = he->h_addr_list; *ap; ap++, cnt++) {
sockfd = socket(he->h_addrtype, SOCK_STREAM, 0);
if (sockfd < 0)
continue;
@@ -431,10 +458,20 @@ static int git_tcp_connect(int fd[2], co
memcpy(&sa.sin_addr, *ap, he->h_length);
if (connect(sockfd, (struct sockaddr *)&sa, sizeof sa) < 0) {
+ fprintf(stderr, "%s: %s[%d: %s]: net=%s, errno=%s\n",
+ argv0,
+ host,
+ cnt,
+ inet_ntoa(*(struct in_addr *)&sa.sin_addr),
+ hstrerror(h_errno),
+ strerror(errno));
close(sockfd);
sockfd = -1;
continue;
}
+ fprintf(stderr, "using %s[%s]\n",
+ host,
+ inet_ntoa(*(struct in_addr *)&sa.sin_addr));
break;
}
--
1.2.3.g3987
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