I have also seen problems with nscd. On a stable FC3 machine with LDAP auth., it refused to login a user when nscd was turned on, it said the user didn't exist. UID#->username mapping worked, though. Stopping nscd allowed the user to login instantaniously. Using LDAP auth man, 10.01.2005 kl. 21.48 skrev Stephen J. Smoogen: > My home router machine was upgraded in late December to FC3. The > machine began experiencing times when it would start having a load > average of 1.00 all the time but using top would show no processes > using any CPU. The CPU indicator said that it was at 100% in user > space. No process was listed as being in device wait either. > > I took the machine down and did a chkrootkit 0.44 and some other items > to make sure it was not compromised. I then rebooted the box and > watched the wire to see if anything strange was coming up to it. > Nothing. I then went and turned off various processes that were turned > on for small network usage. When I did a 'service nscd off' the box > went into a kernel crash that went on for quite some time (looked like > an infinite loop). > > Turning off nscd has dropped the load average to a standard 0.00 again > so I am guessing that there is something it is doing that is causing > issues: > > nscd-2.3.4-2.fc3 > kernel-2.6.9-1.681_FC3 > kernel-2.6.9-1.724_FC3 > > 00:00.0 Host bridge: Intel Corp. 82810 DC-100 GMCH [Graphics Memory > Controller Hub] (rev 03) > 00:01.0 VGA compatible controller: Intel Corp. 82810 DC-100 CGC > [Chipset Graphics Controller] (rev 03) > 00:1e.0 PCI bridge: Intel Corp. 82801AA PCI Bridge (rev 02) > 00:1f.0 ISA bridge: Intel Corp. 82801AA ISA Bridge (LPC) (rev 02) > 00:1f.1 IDE interface: Intel Corp. 82801AA IDE (rev 02) > 00:1f.2 USB Controller: Intel Corp. 82801AA USB (rev 02) > 00:1f.3 SMBus: Intel Corp. 82801AA SMBus (rev 02) > 01:08.0 Ethernet controller: Realtek Semiconductor Co., Ltd. > RTL-8139/8139C/8139C+ (rev 10) > 01:0c.0 Ethernet controller: 3Com Corporation 3c905C-TX/TX-M [Tornado] (rev 78) > > I am having problems getting serial console to work so I do not have a > kernel oops at the moment :(. > > -- > Stephen J Smoogen. > CSIRT/Linux System Administrator