Package: apache2.2-common
Version: 2.2.22-13
Severity: normal
I can't tell whether that's an apache2 or libc bug, here's the story:
Apache suddenly stopped working (it was still working a week ago, and there was
no configuration change on the system in the interval). I suspect the last
logrotation triggered this, but unfortunately I can't track it down to an
upgraded packages: I run unattended-upgrades, but there's nothing in the logs
for that period, and I don't remember manually dist-upgrading either,
so I'm really clueless as to what broke.
Symptoms:
Apache won't serve any incoming connection, they just hang forever. Logs are
filled with:
[error] (38)Function not implemented: apr_socket_accept: (client socket)
strace'ing httpd -X shows:
open("/etc/group", O_RDONLY|O_CLOEXEC) = 12
_llseek(12, 0, [0], SEEK_CUR) = 0
fstat64(12, {st_mode=S_IFREG|0644, st_size=860, ...}) = 0
mmap2(NULL, 860, PROT_READ, MAP_SHARED, 12, 0) = 0x4802b000
_llseek(12, 860, [860], SEEK_SET) = 0
fstat64(12, {st_mode=S_IFREG|0644, st_size=860, ...}) = 0
munmap(0x4802b000, 860) = 0
close(12) = 0
setgroups(1, [33]) = 0
geteuid() = 0
setuid(33) = 0
epoll_create1(O_CLOEXEC) = 12
epoll_ctl(12, EPOLL_CTL_ADD, 5, {EPOLLIN, {u32=1220006224,
u64=5239886832996450304}}) = 0
epoll_ctl(12, EPOLL_CTL_ADD, 4, {EPOLLIN, {u32=1220006256,
u64=5239886970435403776}}) = 0
epoll_ctl(12, EPOLL_CTL_ADD, 3, {EPOLLIN, {u32=1220006288,
u64=5239887107874357248}}) = 0
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x48b81000
semop(1015808, {{0, -1, SEM_UNDO}}, 1) = 0
epoll_wait(12, {{EPOLLIN, {u32=1220006224, u64=5239886832996450304}}}, 3,
10000) = 1
SYS_344(0x5, 0xbff0f62c, 0xbff0f618, 0x80000, 0x10000) = -1 ENOSYS (Function
not implemented)
write(2, "[Fri Nov 29 01:36:32 2013] [erro"..., 100) = 100
semop(1015808, {{0, 1, SEM_UNDO}}, 1) = 0
close(12) = 0
This looks quite like the issue mentioned in this thread:
http://lists.debian.org/debian-powerpc/2013/06/msg00005.html
In particular, I'm also running 2.6.32, which is the minimum version for
wheezy's glibc.
HTH
-- Package-specific info:
List of enabled modules from 'apache2 -M':
actions* alias auth_basic authn_file authz_default authz_groupfile
authz_host authz_user autoindex cgi deflate dir env include mime
negotiation php5 reqtimeout setenvif status userdir
(A * means that the .conf file for that module is not enabled in
/etc/apache2/mods-enabled/)
List of enabled php5 extensions:
ldap mcrypt mysql mysqli pdo pdo_mysql
-- System Information:
Debian Release: 7.2
APT prefers stable
APT policy: (500, 'stable')
Architecture: powerpc (ppc)
Kernel: Linux 2.6.32.61
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
Shell: /bin/sh linked to /bin/dash
Versions of packages apache2 depends on:
ii apache2-mpm-prefork 2.2.22-13
ii apache2.2-common 2.2.22-13
apache2 recommends no packages.
apache2 suggests no packages.
Versions of packages apache2.2-common depends on:
ii apache2-utils 2.2.22-13
ii apache2.2-bin 2.2.22-13
ii lsb-base 4.1+Debian8+deb7u1
ii mime-support 3.52-1
ii perl 5.14.2-21+deb7u1
ii procps 1:3.3.3-3
Versions of packages apache2.2-common recommends:
ii ssl-cert 1.0.32
Versions of packages apache2.2-common suggests:
pn apache2-doc <none>
pn apache2-suexec | apache2-suexec-custom <none>
ii elinks [www-browser] 0.12~pre5-9
ii lynx-cur [www-browser] 2.8.8dev.12-2
-- no debconf information
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