Discuss February 2010

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273 participants
232 discussions

Slightly broken audio on USB headset?
by tony＠softins.clara.co.uk 12 Feb '10

12 Feb '10

I have a Logitech USB headset which I have used very successfully on Windows for a long time. The other day I thought I would try it out on my CentOS 5 server, which doesn't have its own sound hardware (HP ML110). On plugging it in, all the required modules magically got loaded, and the "play" command would play sound files as expected. However, at all times when playing a sound file there was a ticking sound two or three times a second, as if there were regular discontinuities in the audio. Apart from the ticking, the sound quality was fine. Can anyone suggest what I should look at to start diagnosing and fixing this issue? Thanks Tony -- Tony Mountifield Work: tony(a)softins.co.uk - http://www.softins.co.uk Play: tony(a)mountifield.org - http://tony.mountifield.org

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michelangelo13@gmail.com has sent you an invitation to Aviary!
by michelangelo13＠gmail.com 12 Feb '10

12 Feb '10

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Error on php header
by Renato Botelho 12 Feb '10

12 Feb '10

I was building a software on CentOS 5.4 and got this: /usr/include/php/main/streams/php_stream_filter_api.h:65: error: comma at end of enumerator list I took a look at header and found this: typedef enum { PSFS_ERR_FATAL, /* error in data stream */ PSFS_FEED_ME, /* filter needs more data; stop processing chain until more is available */ PSFS_PASS_ON, /* filter generated output buckets; pass them on to next in chain */ } php_stream_filter_status_t; Removing comma after PSFS_PASS_ON everything back to normal. -- Renato Botelho

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RAID, temperature and FAN status manage and monitoring tool for RHEL4 Update 4 ia64 AS Linux
by Balaji 12 Feb '10

12 Feb '10

Hi, Currently I've been using an RHEL4 Update 4 ia64 AS Linux version and running in HP rx6600 server. I tried to google-out the RAID, temperature and FAN status manage and monitoring tool for RHEL4 Update 4 ia64 AS Linux But i can't able to findout the same for RHEL4 Update 4 ia64 AS Linux server Can anyone suggest me the write status monitoring and manage tool for RHEL4 Update 4 ia64 AS Linux server Some of the information are below [root@corviewsecondary src]# lspci 00:01.0 Class ff00: Hewlett-Packard Company: Unknown device 1303 00:01.1 Communication controller: Hewlett-Packard Company: Unknown device 1302 00:01.2 Serial controller: Hewlett-Packard Company Diva Serial [GSP] Multiport UART 00:02.0 USB Controller: NEC Corporation USB (rev 43) 00:02.1 USB Controller: NEC Corporation USB (rev 43) 00:02.2 USB Controller: NEC Corporation USB 2.0 (rev 04) 0f:01.0 Ethernet controller: Intel Corporation 82546GB Gigabit Ethernet Controller (rev 03) 0f:01.1 Ethernet controller: Intel Corporation 82546GB Gigabit Ethernet Controller (rev 03) 14:01.0 SCSI storage controller: LSI Logic / Symbios Logic SAS1068 PCI-X Fusion-MPT SAS (rev 01) 14:02.0 Ethernet controller: Intel Corporation 82546GB Gigabit Ethernet Controller (rev 03) 14:02.1 Ethernet controller: Intel Corporation 82546GB Gigabit Ethernet Controller (rev 03) 23:01.0 Ethernet controller: Intel Corporation 82546GB Gigabit Ethernet Controller (rev 03) 23:01.1 Ethernet controller: Intel Corporation 82546GB Gigabit Ethernet Controller (rev 03) [root@corviewsecondary src]# [root@corviewsecondary src]# cat /proc/mpt/version mptlinux-3.02.62.01rh Fusion MPT base driver Fusion MPT FC host driver Fusion MPT SPI host driver Fusion MPT SAS host driver Fusion MPT ioctl driver [root@corviewsecondary src]# I have findout the mpt-status source from forum and download the same. During compilation i have getting an error and below or the error message [root@corviewsecondary mpt-status-1.2.0]# make KERNEL_PATH=/usr/src/kernels/2.6.9-42.EL-largesmp-ia64/ gcc -Iincl -Wall -W -O2 -I/usr/src/kernels/2.6.9-42.EL-largesmp-ia64//drivers/message/fusion -I/lib/modules/`uname -r`/build/drivers/message/fusion -I/lib/modules/`uname -r`/source/drivers/message/fusion -o mpt-status mpt-status.c In file included from mpt-status.c:38: mpt-status.h:19:26: lsi/mpi_type.h: No such file or directory mpt-status.h:20:21: lsi/mpi.h: No such file or directory mpt-status.h:21:25: lsi/mpi_ioc.h: No such file or directory mpt-status.h:22:26: lsi/mpi_cnfg.h: No such file or directory mpt-status.h:23:26: lsi/mpi_raid.h: No such file or directory mpt-status.h:24:20: mptctl.h: No such file or directory mpt-status.c:123: error: syntax error before '*' token mpt-status.c:125: error: syntax error before '*' token mpt-status.c:126: error: syntax error before '*' token mpt-status.c:130: error: syntax error before '*' token mpt-status.c:131: error: syntax error before '*' token mpt-status.c:132: error: syntax error before '*' token mpt-status.c:133: error: syntax error before '*' token mpt-status.c: In function `freeMem': ............. [root@corviewsecondary src]# Any clues as to whats the problem and the remedy? Thanks in Advance, -S.Balaji

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what causes CUPS to dis-enable a printer?
by Paul Johnson 12 Feb '10

12 Feb '10

In our computer lab, there are 6 Centos 5.4 workstations. There is an HP printer with jet direct card. It often works. But sometimes users come and get me saying the printer is broken, but it is actually working fine for *most* of the workstations. On the troubled system, I run system-config-printer and I check the printer in question (under properties) and I see the printer has been disabled. I mean, the box by the word Enabled is empty. After I manually (use lprm) remove the print jobs, and set the printer to Enabled, then the print queue will start working again. I've checked the files in /var/log/cups and there's nothing evident. error_log has nothing. We have had the problem during the year (that others have reported in this list). When trying to print some pdf files from Evince, the symptom of the problem is that the pdf files don't print. They seem to "clog" the printer. When that happens, I have seen the Enabled box come unchecked in the printer configurator. However, the most recent problems are not associated with the use of Evince. I would really appreciate some tips about how to bugshoot this problem. pj ps. The Cups server is running on the system in question, lpq shows lots of print jobs waiting. -- Paul E. Johnson Professor, Political Science 1541 Lilac Lane, Room 504 University of Kansas

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Mount USB disk at startup?
by Mogens Kjaer 12 Feb '10

12 Feb '10

I have a CentOS 5 machine with an external 500G USB disk, formatted with JFS. How do I get this to mount automatically at boot time? If I add to /etc/fstab: /dev/sdb1 /var/video jfs defaults 1 2 fsck.jfs complains at boot time: Error: Cannot open device /dev/sdb1 Usage: fsck.jfs ... ... Give root password for maintenance ... If I log in with the root password, /dev/sdb1 is present, and I can run fsck.jfs -f /dev/sdb1 without problems. After ctrl-D it reboots, and gives the above error again. I have to log in as root, remount,rw / and remove the /dev/sdb1 line from /etc/fstab to get it to boot. The problem is not related to JFS; it occurs with an external ext3 file system as well. How do I mount /dev/sdb1 automatically at boot? Mogens -- Mogens Kjaer, Carlsberg A/S, Computer Department Gamle Carlsberg Vej 10, DK-2500 Valby, Denmark Phone: +45 33 27 53 25, Mobile: +45 22 12 53 25 Email: mk(a)crc.dk Homepage: http://www.crc.dk

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disk I/O problems with LSI Logic RAID controller
by Fernando Gleiser 11 Feb '10

11 Feb '10

we're having a weird disk I/O problem on a 5.4 server connected to an external SAS storage with an LSI logic megaraid sas 1078. The server is used as a samba file server. Every time we try to copy some large file to the storage-based file system, the disk utilization see-saws up to 100% to several seconds of inactivity, to climb up again to 100% and so forth. Here are a snip from the iostat -kx 1: Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sdb1 0.00 133811.00 0.00 1889.00 0.00 513660.00 543.84 126.24 65.00 0.47 89.40 sdb1 0.00 138.61 0.00 109.90 0.00 29845.54 543.14 2.54 54.32 0.37 4.06 sdb1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 sdb1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 sdb1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 sdb1 0.00 134680.00 0.00 1920.00 0.00 526524.00 548.46 126.06 64.57 0.47 90.00 sdb1 0.00 142.00 0.00 74.00 0.00 20740.00 560.54 1.25 45.14 0.47 3.50 sdb1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 sdb1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 sdb1 0.00 0.00 1.00 0.00 4.00 0.00 8.00 0.01 14.00 14.00 1.40 sdb1 0.00 116129.00 1.00 1576.00 4.00 434816.00 551.45 125.47 75.38 0.57 90.30 sdb1 0.00 17301.98 0.00 412.87 0.00 106506.93 515.93 24.59 75.40 0.48 19.80 sdb1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 sdb1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 sdb1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 It happens when I copy a file over the net using samba or when copying/creating a local file It looks like the disk tries to get more than it can handle, then it chokes with data and stales for a few seconds until some buffer empties and it's able to get a bit more data again. It happens in two identical servers, so I'd discard faulty hardware as the cause and look into a miscofiguration issue. Are there any guidelines/docs for heavy I/O tuning? are there any issues with this raid controller? any help will be apreciated Fer

4 8

/etc/ldap.conf pam_filter
by Nobody ist perfect 11 Feb '10

11 Feb '10

Hi, we use an openldap server / samba as domain controller for our windows/linux workstations. on a specific server, login should only be allowed, if the certain user is member of a group (let's call this group "login"). All the users in the domain are members of the group "Domain Users". Therefore their primary gid is not the login-group's gid. How can I make the login depending on that login-group-membership? Thanks! Toby

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Experiencing continual eth0 link up/down on a 10G Chelsio NIC (cxgb3 driver)
by Arun Khan 11 Feb '10

11 Feb '10

File Server OS: CentOS 5.3 (x86_64) Kernel: CentOS Plus kernel (need XFS fs drivers) The file server has a Chelsio T310 10GBASE-CX4 RNIC (rev 3) PCI Express x8 MSI-X (eth0), driver and firmware is stock from the CentOS Plus kernel. Using ethtool I have verified driver association with the 3 NICs on the system (eth1 and eth2 are not connected to any switch) Driver for eth0 driver: cxgb3 version: 1.1.3-ko firmware-version: T 7.4.0 TP 1.1.0 Driver for eth1 driver: e1000e version: 1.0.2-k2 firmware-version: 1.0-0 Driver for eth2 driver: e1000e version: 1.0.2-k2 firmware-version: 1.0-0 The last 3-4 weeks, I have noticed that the eth0 link keeps going up and down, confirmed by "dmesg" output as well in /var/log/messages (dmesg sample shown below). eth0: link down eth0: link up, 10Gbps, full-duplex eth0: link down eth0: link up, 10Gbps, full-duplex eth0: link down eth0: link up, 10Gbps, full-duplex The kernel RPM verification shows no errors # uname --kernel-release 2.6.18-164.2.1.el5.plus # rpm --verify kernel-2.6.18-164.2.1.el5.plus The hardware vendor tells me that the card either fails completely (kaput) or works - there is no grey area. He is of the opinion that the problem is with the driver. Verification of the kernel rpm tells me that all files including the cxgb3 driver file md5sum are OK. I would like to hear from anyone with the same NIC or another rev. using the same driver. Are you seeing similar link up/down in your system? How did you solve the problem? TIA -- Arun Khan

3 4

how to work with Code Repositories, but for web development?
by Rudi Ahlers 11 Feb '10

11 Feb '10

Hi all, I would like some suggestion on this matter please. I have never bothered using any code repositories / version control systems for our web development project, many cause I didn't know any better, and probably cause most of our projects don't really require that we need to keep a history of what has changed. i.e. a client wants to change something on their website, and we change it, whether it's cosmetics or code (normally PHP & MySQL). But, I want to see if CVS, or maybe even a forge script (like in offerforge) could benefit met. Most of the time when we make changes to the code, we simply update the version, from say 1.2.2 to 1.2.3 and write the changes to a basic changelog, which in our case is a simple text file calles changelog.txt But, how could I benefit from a CVS, ir similar system? And what would be best for this environment? I installed CVS on my CentOS server, but it seems that it's not just a matter of creating a tree and dumping code. I'm not too worried about multiple users at this stage. All our coding is currently stored on a CentOS 5.4 Samba server, so we can access to the code from either a Windows or Linux PC. Do I need anything more? I started using eclipse+PHP a few months ago and I don't really use it to its full potential, so I'm sure I could benefit from it more. So, the question is, what is a good recommended setup to go with? Web based access to all the files would be nice, then we could access it from outside the LAN on HTTPS. And how do I use it to my benefit? For example, clientA wants to make changes to Project1. Now I have a Project1 in the CVS tree (is this the right terminology?), and make changes to file contacts.php - what now? Do I need to create a subfolder called 1.2.2 (for example), and add only the updated file in this folder, or do I copy the whole Project into the new folder? 2 weeks down the line I need to make changes to 8 files, what do I do now? Does this make sense? I realize it could be beneficial to keep older files, but how does one structure it? -- Kind Regards Rudi Ahlers SoftDux Website: http://www.SoftDux.com Technical Blog: http://Blog.SoftDux.com Office: 087 805 9573 Cell: 082 554 7532

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Discuss February 2010