hi !
disclaimer: i'm not a kernel guy ;)
after reading the FUTEX deadlock thread (http://thread.gmane.org/gmane.linux.kernel/280900), i was wondering:
ever since moving to ldap for passwd/group/shadow/hosts lookup, ping to a non-reachable host just freezes up and never returns:
spunk:~ # strace ping herrnilsson
execve("/bin/ping", ["ping", "herrnilsson"], [/* 61 vars */]) = 0
uname({sys="Linux", node="spunk", ...}) = 0
brk(0) = 0x8063000
...
...
munmap(0x40504000, 4096) = 0
brk(0x80a5000) = 0x80a5000
uname({sys="Linux", node="spunk", ...}) = 0
futex(0x401540f4, FUTEX_WAIT, 2, NULL
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^is this one related to the FUTEX problem olof described?
best,
jörn
ps: i'd appreciate being cc:ed on replies. thanks.
for the record:
spunk:~ # uname -a
Linux spunk 2.6.8-24.11-smp #1 SMP Fri Jan 14 13:01:26 UTC 2005 i686 i686 i386 GNU/Linux
SuSE 9.2
problem happens also on ia32 UP (same version as before) and amd64 UP (2.6.11-rc4-bk7)
ldap lookup is ok, for instance
spunk:~ # getent hosts herrnilsson 192.168.0.3 herrnilsson.villakunterbunt.netz herrnilsson
traceroute and others work as well.
on an otherwise identical system without ldap, ping correctly gives "unreachable" messages.
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