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Fwd: Re: [Dovecot] Timeout when downloading messages
by spart cus 29 Mar '06

29 Mar '06

Note: forwarded message attached. --------------------------------- Talk is cheap. Use Yahoo! Messenger to make PC-to-Phone calls. Great rates starting at 1¢/min.

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ATI Radeon Mobility M6 LY & IBM Thinkpad R40
by Max 28 Mar '06

28 Mar '06

Does anyone have any experience with the combination of a Thinkpad R40 and the ATI Radeon Mobility M6 LY video chip? I've had CentOS 4.1, 4.2, and now 4.3 running just great with 1024x768 resolution, but according the IBM specs, this chip is capable of 1280x1024. A quick lspci -v | grep ATI spewed the following: 01:00.0 VGA compatible controller: ATI Technologies Inc Radeon Mobility M6 LY (prog-if 00 [VGA]) I can successfully change the settings under the display menu to 1280x1024, but upon restarting X the default greeter crashes. After that, it picks another greeter and allows me to log in, with it still picking 1024x768. I've played around with trying to manually change the settings in /etc/X11/xorg.conf file. I've tried various depth settings to no avail. The section identifying the card in xorg.conf is: Section "Device" Identifier "Videocard0" Driver "radeon" VendorName "Videocard vendor" BoardName "ATI Radeon Mobility M6" EndSection According to what I've been reading, that's what is supposed to be there. I've found a few things stating that DRI could be a problem, but I'm not too familiar with this. Also, a friend has an R40 but has the ATI Mobility Radeon 7500 chip, instead of the M6 like mine. He's also running CentOS 4.3 and having the exact same problem I'm having. Same deal, according to the IBM specs his chipset as well as mine should be capable of 1280x1024. Any thoughts or related experience with this? If not, it's not a huge deal, I've been using it 1024x768 for well over a year now, but the extra resolution would be wonderful. Thanks! Max

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Re: [CentOS] Server hosed... maybe?
by Jay Leafey 28 Mar '06

28 Mar '06

I THINK I found the problem. As usual, a user/keyboard disconnect error. :^} I rebooted the box this morning into single-user mode and started looking at config files, comparing them to it's twin. Nothing obvious jumped out (of course). I ran authconfig and turned off LDAP authenticaion, tne rebooted the box. Once it came back up, I was able to log in. I re-ran authconfig and turned LDAP authentication back on and was able to log into a VC or remotely via SSH with no problems. I did see another difference that may or man not have had anything to do with it. The "kernel" line in grub.conf had "console=tty0" at the end, but only on the box I was having problems with. It had been uses with a serial console a while back, but not any more. I'm not sure if removing it had anything to do with the problem, but it's working now. I'm going to try to recreate the problem, so I may have something more definitive later. Anyway, it seems happy now. -- Jay Leafey - Memphis, TN jay.leafey(a)mindless.com

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Server hosed... maybe?
by Jay Leafey 28 Mar '06

28 Mar '06

I was busy congratulating myself about NOT having a problem with updating my CentOS-4 servers when I ran into a problem with a couple of CentOS-3 servers. The Gods hate the proud... Anyway, I updated two identical servers recently and got the new kernel (2.4.21-40) along with the new initscripts, vixie-cron, squid, and gnupg packages. I waited until the weekend to reboot one of the two boxes and was encouraged to see that it appeared to come up OK and all the servies started with no apparent problems. Later on I tried to log in via SSH and was unable to get in. The login apparently succeeded, but I got no response at all after the password entry. I wasn't able to log in via the console either, same lack of response. I rebooted (ctl-alt-del) into single-user mode, which worked fine, and set up syslog to send all messages to /dev/tty12 for debugging purposes and enabled sysrq, then booted back into runlevel 3. Again, no response after the username/password entry and no messages on tty12 indicating any problems. Just no shell response at all on root or any of the user accounts set up on the system. The box is set up to authenticate against LDAP, but as I mentioned there were no errors from the syslog output that seemed relevant. I'm probably going to set up a shell on one of the virtual consoles to debug this some more, but thought I might ask if anybody else has seen anything like this. All other services (http and a Sun directory server) start up fine, but I cannot get a shell in multi-user mode. I'd like to avoid a rebuild, but that would not be catastrophic as this box is part of a redundant pair. Anybody got any constructive thoughts on this? -- Jay Leafey - Memphis, TN jay.leafey(a)mindless.com

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SATA error
by Fajar Priyanto 28 Mar '06

28 Mar '06

Hi all, Finally I temporarily migrate my mailserver to another box. It has been experiencing troubles with the SATA discs (Maxtor and Western Digital). I then upgraded the kernel to the latest one: 2.6.9-34.ELsmp and now smartd can run. When I do: smartcl -d ata -a /dev/sda, it says some errors but I don't know what does it mean. This is the result: http://pastebin.com/624613 The problems it encoutered were: time out on device. Pls take a look at the pastebin for details. Is the drive still ok? Running smartcl on sdb gives no error. Thanks, -- Fajar Priyanto | Reg'd Linux User #327841 | Linux tutorial http://linux2.arinet.org 15:15:23 up 6:20, 2.6.15-1.1830_FC4 GNU/Linux Let's use OpenOffice. http://www.openoffice.org

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updating ruby
by Roger D Vargas 28 Mar '06

28 Mar '06

I want to install Ruby on Rails, but I need at least, Ruby 1.8.2. There is no update for ruby in the repositories. How can I find a a ruby 1.8.2 rpm that works in Centos 4.2? -- http://dsgp.blogspot.com | Linux, programación, juegos Have no place I can be since I found Serenity But you can’t take the sky from me ______________________________________________ LLama Gratis a cualquier PC del Mundo. Llamadas a fijos y móviles desde 1 céntimo por minuto. http://es.voice.yahoo.com

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Is the SRPM for kernel-2.6.9-34.106.unsupported available?
by Dave Hatton 28 Mar '06

28 Mar '06

Hi, I can't see the SRPM for kernel-2.6.9-34.106.unsupported in the centosplus repo. Is it just kernel-2.6.9-34.EL.src.rpm with an modified .config or were any additional patches added? Thanks Daveh

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kernel source
by Andrew Zahn 28 Mar '06

28 Mar '06

Hi, I am trying to install the kernel src rpm that I've downloaded from the CentOS ftp, kernel-2.6.9-22.EL.src.rpm. I hope to compile the kernel with XFS enabled. However, I have tried to simply run: [root@se4 ~]# rpm -iv kernel-2.6.9-22.EL.src.rpm and it complains back: warning: group builder does not exist - using root warning: user builder does not exist - using root warning: group builder does not exist - using root warning: user builder does not exist - using root warning: group builder does not exist - using root warning: user builder does not exist - using root .... then an rpm -q kernel-2.6.9-22.EL.src.rpm says: package kernel-2.6.9-22.EL.src.rpm is not installed Anyone know what is going on?? ps. I have tried to install the CentOSplus kernel with xfs and that is completely unstable for me. thanks, Andrew

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Extremely slow disk transfers with SATA disks
by Vanja Hrustic 28 Mar '06

28 Mar '06

I have installed CentOS 4.2, recently, on new computer. Everything seemed to work fine. However, we've found out that disk transfers are incredibly slow, and I just can't figure out what to do in order to fix it. Computer is now running CentOS 4.3 (updated it 1 hour ago), and same thing is still present. I hoped kernel upgrade might fix it, but it didn't. Computer has 2 SATA disks, 200GB (Maxtor 6Y200M0) and 80GB (Maxtor 6L080M0). There are no errors or any other indications of problems in logs/dmesg. Copying 500MB file takes around 210 seconds. Around 2.3MB/sec. Doesn't matter if I am copying from one hard disk to another, or onto the same hard disk. When copying, vmstat shows: r b swpd free buff cache si so bi bo in cs us sy id wa 0 0 160 525928 1060 278044 0 0 1609 1112 1387 1146 9 4 39 47 0 0 160 525928 1060 278044 0 0 0 0 1084 745 0 0 100 0 0 0 160 525844 1060 278044 0 0 0 0 1067 795 2 0 98 0 0 0 160 525844 1060 278044 0 0 0 0 1084 745 1 0 99 0 0 0 160 525844 1072 278044 0 0 0 156 1073 757 0 0 100 0 0 1 160 525564 1148 278228 0 0 240 0 1129 1136 2 1 77 20 0 1 160 522708 1176 281256 0 0 1600 0 1283 1155 0 2 0 98 0 1 160 519380 1184 284568 0 0 1672 0 1327 1231 0 2 0 98 3 1 160 516404 1196 287368 0 0 1412 0 1264 1126 1 1 0 98 0 1 160 513524 1196 290424 0 0 1536 0 1353 1926 11 2 0 87 0 3 160 510132 1208 293544 0 0 1544 7348 1407 2163 24 6 0 71 0 1 160 513780 1216 289972 0 0 1412 140 1360 1536 9 3 0 88 2 0 160 515316 1220 288464 0 0 1104 0 1341 2067 47 4 0 49 0 1 160 518996 1216 284608 0 0 1712 0 1333 1676 34 7 0 59 0 1 160 516820 1224 286832 0 0 2052 0 1318 2025 25 4 0 71 1 2 160 512388 1228 291024 0 0 2952 8736 1433 1431 6 4 0 90 2 1 160 504772 1244 295304 0 0 3076 76 1382 1453 15 5 0 80 0 1 160 502340 1252 301096 0 0 3332 0 1358 1624 7 5 0 88 0 1 160 495236 1260 308216 0 0 3588 0 1323 1631 2 3 0 95 1 1 160 487620 1268 315640 0 0 3716 0 1355 1175 7 2 0 91 0 2 160 480708 1276 322120 0 0 3204 16732 1423 1354 2 5 0 93 You can see text version here (in case this got wrapped): http://www.vanja.com/vmstat.txt I've tried vmstat on my machine, with IDE disks, and I've noticed that I ave much less 'cs' (context switches), although it might be because I'm not having as many processes in the background (problematic computer is running KDE :). On my computer, number of blocks in (bi) gets into tens of thousands, while problematic computer has 1500-3000 bs/second. Does anyone know what I might do in order to find what the problem might be? I couldn't find any SATA specific tools, which might help with troubleshooting. hdparm -tT tests show: /dev/sda: Timing cached reads: 2408 MB in 2.00 seconds = 1202.98 MB/sec Timing buffered disk reads: 150 MB in 3.02 seconds = 49.61 MB/sec /dev/sdb: Timing cached reads: 2628 MB in 2.00 seconds = 1313.54 MB/sec Timing buffered disk reads: 166 MB in 3.02 seconds = 54.88 MB/sec All filesystems are ext3. This "problematic" computer has nforce3 motherboard, I have nforce2. Same CentOS, but no SATA on my computer. This really affects complete performance of computer, and any help or ideas are welcome. Btw, no problems with transfer under Windows :( Thanks. Vanja

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Python in Centos 4
by Kari Salovaara 27 Mar '06

27 Mar '06

Hi, I should upgrade Python to 2.4.x due some application needs so. At the moment version is 2.3.4. What do I blow out if I uninstall present version and compile new version manually ? Many thanks in advance, Kari -- Kari Salovaara Hanko, Finland

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