Latest FC kernel still have SMP bugs?

Herbert Gasiorowski gasi3 at
Mon May 3 13:40:40 UTC 2004

> 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"

Herbert Gasiorowski

More information about the fedora-list mailing list