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Re: Latest FC kernel still have SMP bugs?



Nigel Wade wrote:
Herbert Gasiorowski wrote:

I've built the RHEL3 kernel on FC1 and run the system up using this. Ordinary ldap requests seem quite happy, but I'm still seeing the futex lock problem with nss_ldap. E.g. when I add 'hosts: files ldap dns' to /etc/nsswitch.conf I get:

# strace ping host
munmap(0xb75ff000, 4096)                = 0
uname({sys="Linux", node="hostname", ...}) = 0
futex(0x53e4ec, FUTEX_WAIT, 2, NULL

Setting LD_ASSUME_KERNEL=2.4.1 cures this particular problem, but isn't a solution for a system relying on LDAP for all authentication and NSS functions.



The problem remains in FC2 (Test 3) with the 2.6 kernel!

LD_ASSUME_KERNEL=2.4.1 seems to cure at least "ping host"



This is in some way related to nscd.

If nscd isn't running hosts don't resolve using LDAP. AFAIK, nscd should not be compulsory.


Thanks, this seems to solve my problem and finally I managed to install nscd!

--
mfg
Herbert Gasiorowski
http://www.mathematik.uni-marburg.de/~gasi/




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