Discuss December 2007

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279 participants
374 discussions

Failed to enable keyboard
by Robert Moskowitz 28 Dec '07

28 Dec '07

I have a set of systems that I have to build that cannot be booted from CD. So I put the drive in another system, do the install, move the drive, and fix the video with system-config-display. But seems perhaps there is another (small) problem. The build system has a PS/2 keyboard interface (and mouse). The target system has NO PS/2 interfaces. Only USB is available. So at boot I get the message: atkbd.c: Failed to enable keyboard on isa0060/serio0 What do I do to remove this?

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OT? Creative Zen player not registering as a USB device
by MHR 28 Dec '07

28 Dec '07

I plugged my son's new (Christmas) Zen V player into my CentOS 5.1 box and it doesn't register as a device that the system can see or mount. If I lsusb, it shows up as bus 2, device 8, but there is no corresponding /dev/??? device for it, so the system can't get at it. (I tried my flash drive in the same USB port and it works fine, so it's not the hardware.) How do I get around this? Thanks. mhr

5 7

Issues installing x86_64 5.1 on Ultra 40
by Ray Van Dolson 28 Dec '07

28 Dec '07

Hi all, we're trying to install CentOS 5.1 on a Sun Ultra 40. This is an AMD-powered machine and we're using the x86_64 version of CentOS 5.1. The machine is using the NVidia CK804 chipset and has SATA disks. It also has 16GB's of memory which prompted us to upgrade the BIOS on the machine from 1.1 to 1.6 per this (we also have the two quadro cards): http://docs.sun.com/source/819-3954-18/index.html#0_37092 The install goes fine up until the installer is trying to format the disks. Part of the way through it simply dies and pops up an error saying that the installer couldn't format the LVM volume and we have to reboot. An examination of dmesg output shows that there are many SATA errors occuring at this point. Timeouts and such. After a reboot, the SATA drive no longer shows up -- not even in BIOS. It's as if the formatting has instructed the drive to deactivate itself. :) A hard reset and reseat of the drive in the SATA enclosure brings it back again. First thought was that the slot or SATA port was bad, so we have moved to others with the same result. Solaris 10 x86 installs perfectly on this machine, so I'm starting to think that the sata_nv driver is to blame here. We're in the process of trying 32-bit CentOS 5.1 on the system just for giggles, and may try Fedora 8 as well or RHEL 5.1 and use our paid support to track this issue down, but thought I'd run it by everyone here. Didn't see any existing issues in bugzilla.redhat.com or bugs.centos.org. Any insights on this? I will get the exact error messages posted up here soon (output from dmesg, etc). TIA, Ray

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libata and PMP (Port Multiplier) support in CentOS
by Timothy Selivanow 27 Dec '07

27 Dec '07

I'm looking at buying a NORCO DS-1220 and it comes with a NORCO 4618 PCI-X card (4 port eSATA, with a port multiplier on the card or the chassis). I've been trying to pin down whether or not CentOS will see all 12 drives, and I haven't seen anything that is definitive. I see that the kernel module sata_sil24 supports the SiI3124 chip on the NORCO 4618 card, but I haven't found whether or not the default kernel will support the SiI3726 (PMP) without the libata-tj patch. I'm just trying to determine the easiest route to go with minimal cost. I've found another enclosure that uses 4 mini-SAS connectors, but in addition to the extra $320 for the enclosure, I'd need to buy a $300 card and at least one $120 cable (either SFF-8088 to SFF-8470 or a straight SFF-8088). While this is for at home, I would consider this a "mission critical" device and don't want a flakey setup, which is what I have now...I've become an expert at recovering from a 2 drive failure in a 4 drive RAID5 setup using mdadm. Any ideas, suggestions, or authoritative comments? --Tim ________________________________________________________________________________ < You're definitely on their list. The question to ask next is what list it is. > -------------------------------------------------------------------------------- \ \ \ \ /\ ( ) .( o ).

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Solved - Re: [CentOS] boot hangs on trying to start sendmail
by Robert Moskowitz 27 Dec '07

27 Dec '07

After a wait of about 5 min, the boot moved on to hang on sm-client. When that finally timed out, I was able to log in. The problem was indirectly DNS. When I had configured the 2nd interface (which I added in the last reboot), I included a gateway address. Then when I booted, there were two interfaces each with their gateway address. Well the second (non-existant) one was used, so no access to the DNS server. It is those beartraps you know about that get you every time. replies-lists-a1z2-centos(a)listmail.innovate.net wrote: > the sendmail hang is generally a dns issue -- sendmail is trying to > resolve the hostname. it will timeout past this after a bit. having > the appropriate entries in /etc/hosts should resolve this. > > > - Rick > > > ------------ Original Message ------------ > >> Date: Thursday, December 27, 2007 10:03:52 AM -0500 >> From: Robert Moskowitz <rgm(a)htt-consult.com> >> To: CentOS mailing list <centos(a)centos.org> >> Subject: [CentOS] boot hangs on trying to start sendmail >> >> I am building a new server. It will be a temporary firewall of >> sorts. >> >> I am well into the config, made a lot of changes; almost ready to >> set it up in the target networks, but now.... >> >> The system hangs trying to start sendmail. I was thinking hard >> about disabling sendmail, but thought I needed it for internal >> functions, so did not. yet. >> >> So is there someway to get the system working so I can change >> something like disable sendmail? >> >> The system has no cdrom, diskette, etc. In fact the kybd/monitor >> require a special temp setup. Perhaps I can edit the kernel line >> in grub to disable something? >> >> If necessary, I can pull the drive and put it in a system that does >> support cdrom. That is the way I did the initial harddrive install. >> >> > > > ---------- End Original Message ---------- > > >

1 0

Linux vs Windows Drivers
by Bit 27 Dec '07

27 Dec '07

What is so fundamentally different about drivers in Linux and Windows? Specifically, video card drivers have always frustrated my understanding of what's going on under the hood. Say I have a nice video card from ATI. I need to install some cool drivers from ATI in order to make the card work at its best and in order to do any cool things like dual monitors. I download these drivers from the company's website, install them on my machine, and I'm off and running. Assuming all goes according to plan. That's all fine. Now, this is what confuses me. In Windows, I'm done forever at this point. I've never had a problem, nor heard of a problem, where I had to mysteriously reinstall the drivers for my video card after an Automatic Update. Not so in Linux. Every kernel update has me wondering if I'll have to reinstall the drivers for my video card. It seems like sometimes I do and sometimes I don't. I just reboot and pray that my video card is still working afterwards. Not knowing a great deal about how drivers really work in Linux or Windows, I can only really conclude that either Microsoft never updates the Windows kernel (at least not in a way that screws with driver interfaces), or there is something very different about how the two operating systems handle drivers. Can anyone shed some light on the subject for me? Thanks, bit

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Regd: Iptables SNAT issue in Cluster Suite Setup
by Balaji 27 Dec '07

27 Dec '07

Dear All, I have configured Cluster Suite with 2 servers Server 1 : 192.168.13.110 IP Address Server 2 : 192.168.13.179 IP Address Floating : 192.168.13.83 IP Address (Assumed by currently active server) I want all snmp packets going out through the active server to be stamped with floating IP So i have added a iptables rules as "iptables -t nat -A POSTROUTING -p udp -s 192.168.13.179 --dport 161 -j SNAT --to-source 192.168.13.83:161 iptables -t nat -A POSTROUTING -p udp -s 192.168.13.110 --dport 161 -j SNAT --to-source 192.168.13.83:161" I have written a script to continuously poll an agent using snmpgetnext. This script works for some time and then snmpgetnext fails giving the following message "Fri Dec 21 19:10:20 IST 2007 SNMPv2-SMI::enterprises.3769.1.2.3.1.0 = "" Fri Dec 21 19:10:20 IST 2007 SNMPv2-SMI::enterprises.3769.1.2.3.1.0 = "" Fri Dec 21 19:10:20 IST 2007 SNMPv2-SMI::enterprises.3769.1.2.3.1.0 = "" Fri Dec 21 19:10:20 IST 2007 SNMPv2-SMI::enterprises.3769.1.2.3.1.0 = "" Fri Dec 21 19:10:21 IST 2007 SNMPv2-SMI::enterprises.3769.1.2.3.1.0 = "" snmpgetnext: Failure in sendto (Operation not permitted) Fri Dec 21 19:10:21 IST 2007 snmpgetnext: Failure in sendto (Operation not permitted) Fri Dec 21 19:10:21 IST 2007 snmpgetnext: Failure in sendto (Operation not permitted) Fri Dec 21 19:10:21 IST 2007 snmpgetnext: Failure in sendto (Operation not permitted) Fri Dec 21 19:10:21 IST 2007 snmpgetnext: Failure in sendto (Operation not permitted) Fri Dec 21 19:13:20 IST 2007 snmpgetnext: Failure in sendto (Operation not permitted) Fri Dec 21 19:13:20 IST 2007 snmpgetnext: Failure in sendto (Operation not permitted) Fri Dec 21 19:13:21 IST 2007 snmpgetnext: Failure in sendto (Operation not permitted) Fri Dec 21 19:13:21 IST 2007 snmpgetnext: Failure in sendto (Operation not permitted) Fri Dec 21 19:13:21 IST 2007 Fri Dec 21 19:13:21 IST 2007 SNMPv2-SMI::enterprises.3769.1.2.3.1.0 = "" Fri Dec 21 19:13:21 IST 2007 SNMPv2-SMI::enterprises.3769.1.2.3.1.0 = "" Fri Dec 21 19:13:21 IST 2007 SNMPv2-SMI::enterprises.3769.1.2.3.1.0 = "" Fri Dec 21 19:13:21 IST 2007 SNMPv2-SMI::enterprises.3769.1.2.3.1.0 = "" Fri Dec 21 19:13:21 IST 2007 SNMPv2-SMI::enterprises.3769.1.2.3.1.0 = "" " If i remove the above iptables rule it works continuously and if i restarted iptables (with rule) then it works for some time and before the same problem repeats Can some one throw light on this particular problem Regards S.Balaji P.S: Same thing happen when a rule for rsync, ssh and telnet i.e they works some time and some times does not e.g rsync,ssh and telnet iptables SNAT rule "iptables -t nat -A POSTROUTING -p tcp -s 192.168.13.179 --dport 873 -j SNAT --to-source 192.168.13.83:873 iptables -t nat -A POSTROUTING -p tcp -s 192.168.13.179 --dport 22 -j SNAT --to-source 192.168.13.83:22 iptables -t nat -A POSTROUTING -p tcp -s 192.168.13.179 --dport 23 -j SNAT --to-source 192.168.13.83:23" rsync Success message is "receiving file list ... done Log/ Log/20070619.dbg.zip Log/20070619.log.zip Log/20070620.dbg.zip Log/20070620.log.zip Log/20070621.dbg.zip Log/20070621.log.zip sent 190 bytes received 211940 bytes 84852.00 bytes/sec total size is 211421 speedup is 1.00" rsync Failure message is "rsync: failed to connect to 192.168.13.100: Connection timed out (110) rsync error: error in socket IO (code 10) at clientserver.c(94) " *ssh Failure *Message is "ssh: connect to host 192.168.13.100 port 22: Connection timed out" telnet Failure Message is "telnet: connect to address 192.168.13.100: Connection timed out"

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Net install from behind webproxy
by McGlue, Ronan 27 Dec '07

27 Dec '07

I am behind a webproxy and am wondering if I can pass the webproxy's details to the boot time kernel so that I can install centos 5.1 from the net boot CD I have downloaded!? Thanks Ronan Australia Post is committed to providing our customers with excellent service. If we can assist you in any way please telephone 13 13 18 or visit our website. The information contained in this e-mail communication may be proprietary, confidential or legally professionally privileged. It is intended exclusively for the individual or entity to which it is addressed. You should only read, disclose, re-transmit, copy, distribute, act in reliance on or commercialise the information if you are authorised to do so. Australia Post does not represent, warrant or guarantee the integrity of this e-mail communication has been maintained nor that the communication is free of errors, virus or interference. If you are not the addressee or intended recipient please notify us by replying direct to the sender and then destroy any electronic or paper copy of this message. Any views expressed in this e-mail communication are taken to be those of the individual sender, except where the sender specifically attributes those views to Australia Post and is authorised to do so.

2 1

Re: [CentOS] Natulius CD burner does not accept my 700Mb CD-R disks
by Robert Moskowitz 27 Dec '07

27 Dec '07

Frank Cox wrote: > On Tue, 25 Dec 2007 17:37:32 -0500 > Robert Moskowitz <rgm(a)htt-consult.com> wrote: > > >> Sense Key: 0x2 Not Ready, Segment 0 >> > > Get some canned air and blow the dirt off of the sensor in the drive. No change. The drive is the coffee mug tray style. so even opening the plastic housing for the drive does not let me 'see' the sensor, but I used a lot of canned air and no change in behaviour.... Perhaps I have to go out to the drug store and buy one of those drive lens cleaner disks?

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centos 5.1 vnc server
by Jerry Geis 27 Dec '07

27 Dec '07

Any one using vnc server on centos 5.1? on 4.6 I had no issue. on 5.1 I am having times when on connetion the VNC serveris crashing and logs me out of all my open'ed items. I can relog in. But I was wondering if others are seeing this and if there is something to do about it. THanks, Jerry

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Discuss December 2007