Your message dated Wed, 13 Mar 2024 03:51:48 +0000 (UTC) with message-id <[email protected]> and subject line Re: Bug#1066143: general/glibc(?): simple IPv6 test program fails on m68k has caused the Debian Bug report #1066143, regarding general/glibc(?): simple IPv6 test program fails on m68k to be marked as done.
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--- Begin Message ---Package: libc6 Version: 2.36-8 Severity: normal Tags: ipv6 X-Debbugs-Cc: [email protected], [email protected] This error occurred first during curl’s configure in a chroot with libc6 2.37-15.1, but I could also reproduce it on a build host with libc6 2.36-8 as well, and on an even older host with libc6 2.19-19 (all but the 2.36-8 one I’m reportbugging this from are running linux 6.6.15-2). Running a simple program that opens a TCP/IPv6 socket fails: root@ara4:~ # gcc y.c root@ara4:~ # ./a.out a.out: socket(AF_INET6, SOCK_STREAM, 0): Address family not supported by protocol 1|root@ara4:~ # cat y.c #include <sys/socket.h> #include <netinet/in.h> #include <err.h> int main(void) { int rv = socket(AF_INET6, SOCK_STREAM, 0) < 0; err(1, "socket(AF_INET6, SOCK_STREAM, 0)"); } (oops, should have been s/1/rv/ but doesn’t matter) The same program works on amd64. This is a reduced testcase that still shows the problem, plus the call to err(3) added to show errno. cbmuser said that another ports architecture also has unknown trouble with IPv6, maybe this is the same issue? If this is an issue with the kernel or something, please reassign and inform the maintainers. If this is a bug in the testcase, please reassign to src:curl. The original testcase (plus confdefs) was: #include <sys/types.h> #ifdef _WIN32 #include <winsock2.h> #include <ws2tcpip.h> #else #include <sys/socket.h> #include <netinet/in.h> #if defined (__TANDEM) # include <netinet/in6.h> #endif #endif int main(void) { struct sockaddr_in6 s; (void)s; return socket(AF_INET6, SOCK_STREAM, 0) < 0; } gcc -o conftest -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/tmp/buildd/curl-8.6.0=. -specs=/usr/share/dpkg/pie-compile.specs -fstack-protector-strong -Wformat -Werror=format-security -D_DEB_HOST_ARCH=\"m68k-linux-gnu\" -DCURL_PATCHSTAMP=\"8.6.0-3.2+b1\" -Werror-implicit-function-declaration -Wno-system-headers -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -specs=/usr/share/dpkg/pie-link.specs -Wl,-z,relro -Wl,-z,now conftest.c -llber -lldap -llber -lzstd -lbrotlidec -lz -- System Information: Debian Release: bookworm/sid APT prefers unreleased APT policy: (500, 'unreleased'), (500, 'unstable') Architecture: m68k Kernel: Linux 6.1.0-2-m68k (UP) Locale: LANG=C, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE not set Shell: /bin/sh linked to /usr/bin/bash Init: sysvinit (via /sbin/init) Versions of packages libc6 depends on: ii libgcc-s2 12.2.0-12 Versions of packages libc6 recommends: ii libidn2-0 2.3.3-1+b1 Versions of packages libc6 suggests: ii debconf [debconf-2.0] 1.5.82 pn glibc-doc <none> ii libc-l10n 2.36-8 pn libnss-nis <none> pn libnss-nisplus <none> pn locales <none> -- debconf information: * libraries/restart-without-asking: true glibc/kernel-too-old: glibc/kernel-not-supported: glibc/restart-services: glibc/upgrade: true glibc/restart-failed: glibc/disable-screensaver:
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--- Begin Message ---Dixi quod… >/etc/network/interfaces just has… >… on all systems, so something weird is going on. … ugh. Digging even deeper, I found: -rw-r--r-- 1 root root 15 Jun 17 2012 /etc/modprobe.d/ipv6-blacklist.conf Ouch. No idea why it was there, perhaps in the start image or something due to lack of emulated RAM back then, but rm’ing it, and… # ./a.out (wait for several seconds) a.out: socket(AF_INET6, SOCK_STREAM, 0): Success # ip a show dev lo 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever So this was a layer 8 problem. My apologies for the noise. bye, //mirabilos -- [16:04:33] bkix: "veni vidi violini" [16:04:45] bkix: "ich kam, sah und vergeigte"...
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