Discuss July 2011

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315 participants
289 discussions

CentOS artwork
by James Szinger 22 Jul '11

22 Jul '11

Thanks to the CentOS artwork team. I've found the CentOS artwork to be nicely done and the CentOS 6 release is up to your usual high standards. I really appreciate the desktop background that stays in the background, and doesn't demand my attention. Jim

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OT: Linus Torvalds delays Linux 3.0 launch due to a subtle bug (fwd)
by Keith Roberts 22 Jul '11

22 Jul '11

Kernel news :) ---------- Forwarded message ---------- To: opensuse-offtopic <opensuse-offtopic(a)opensuse.org> From: Basil Chupin <blchupin(a)iinet.net.au> Subject: [opensuse-offtopic] Linus Torvalds delays Linux 3.0 launch due to a subtle bug *LINUX FOUNDER* Linus Torvalds has said that he's delaying the release of Linux 3.0 due to the discovery of a bug. Torvalds announced back in May that the Linux 2.6.40 kernel will be rebadged as the Linux 3.0 kernel <http://www.theinquirer.net/inquirer/news/2074875/linus-torvalds-christens-l…>. The projected release date of Linux 3.0 was supposed to be today, but in a post on Google+, Torvalds explained that the discovery <https://plus.google.com/102150693225130002912/posts/2BXkWyrY4jH#10215069322…> of a "subtle pathname lookup bug" has delayed the release. [Full story] http://www.theinquirer.net/inquirer/news/2095102/linus-torvalds-delays-linu… -- Paradise is like Hell and neither is too far from you because both are creations of your mind and therefore both are already inside you. -- To unsubscribe, e-mail: opensuse-offtopic+unsubscribe(a)opensuse.org For additional commands, e-mail: opensuse-offtopic+help(a)opensuse.org

5 6

Memory Usage in Top and System Monitor‏
by Michael McNulty 22 Jul '11

22 Jul '11

--- On Thu, 7/21/11, Robert Nichols <rnicholsNOSPAM(a)comcast.net> wrote: > Perhaps by not storing so much stuff in it? That, or > adding more RAM. Seriously, if you're going to fill up a large portion of > your available memory with a ramdisk, demands for memory are going to have > to be met by pushing pages out to swap space. By default, a > ramdisk can grow to up to half of the available RAM after the kernel has been > loaded. If programs and I/O buffers need more than the other memory > you have available, what option is there besides swap? > Actually I am not storing too much stuff in it since there is plenty of free memory. That was the point of my earlier posts asking why swap when there is plenty of free memory. Correct me if I am wrong, but I believe behavior is unused files in /dev/shm use swap space? I want to make it so it does not do that since it slows the system down and since there is plenty of available free memory.

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NetApp DataFabric Manager/Sybase/SQLAnywhere on CentOS?
by Matt Garman 21 Jul '11

21 Jul '11

Hello, Has anyone out there successfully installed NetApp's "DataFabric Manager" (DFM) on CentOS? If so, what version of DFM, CentOS, and what architecture? I am trying to install DFM 4.0.2, and have tried on both CentOS 4.8 i386 and CentOS 5.5 x86_64. I have edited my /etc/redhat-release file to be equal to RHEL's, as the DFM installer immediately aborts if that isn't right. However, I still have errors during the install: Enter your NetApp DataFabric Manager license key [?,q]: <entered my key> Beginning the installation ... Preparing... ########################################### [100%] 1:NTAPdfm ########################################### [100%] Installing scripts in /etc/init.d directory. Configuring DataFabric Manager server services. Setting up sql ... Starting SQL ... Communication error error: %post(NTAPdfm-3.8-6640.i386) scriptlet failed, exit status 1 /var/log/messages has this: [ ... ] Jul 19 12:58:10 lnxsvr41 SQLAnywhere(monitordb): 16 logical processor(s) on 2 physical processor(s) detected. Jul 19 12:58:11 lnxsvr41 SQLAnywhere(monitordb): Per-processor licensing model. The server is licensed to use 2 physical processor(s). Jul 19 12:58:11 lnxsvr41 SQLAnywhere(monitordb): This server is licensed to: Jul 19 12:58:11 lnxsvr41 SQLAnywhere(monitordb): DFM User Jul 19 12:58:11 lnxsvr41 SQLAnywhere(monitordb): NetApp Jul 19 12:58:11 lnxsvr41 SQLAnywhere(monitordb): Running Linux 2.6.9-89.0.25.ELsmp #1 SMP Thu May 6 12:28:03 EDT 2010 on X86 (X86_64) Jul 19 12:58:11 lnxsvr41 SQLAnywhere(monitordb): Server built for X86 processor architecture Jul 19 12:58:11 lnxsvr41 SQLAnywhere(monitordb): Asynchronous IO disabled due to lack of proper OS support Jul 19 12:58:11 lnxsvr41 SQLAnywhere(monitordb): Maximum cache size adjusted to 1670312K Jul 19 12:58:11 lnxsvr41 SQLAnywhere(monitordb): Authenticated Server licensed for use with Authenticated Applications only Jul 19 12:58:11 lnxsvr41 SQLAnywhere(monitordb): 8192K of memory used for caching Jul 19 12:58:11 lnxsvr41 SQLAnywhere(monitordb): Minimum cache size: 8192K, maximum cache size: 1670312K Jul 19 12:58:11 lnxsvr41 SQLAnywhere(monitordb): Using a maximum page size of 8192 bytes Jul 19 12:58:11 lnxsvr41 SQLAnywhere(monitordb): TCP/IP functions not found Jul 19 12:58:11 lnxsvr41 SQLAnywhere(monitordb): Database server shutdown due to startup error Looks like the problem is with SQLAnywhere, which appears to be a Sybase product. Anyone been down this road? So far NetApp is stonewalling me on CentOS support. Thanks, Matt

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Re: [CentOS] Memory Usage in Top and System Monitor‏
by Michael McNulty 21 Jul '11

21 Jul '11

I think I found my problem. I did not realize using /dev/shm as a ramdisk will create swap space. Is there a way to prevent the ramdisk from swapping to disk?

3 2

CentOS 6 xhci_hcd USB 3 Support
by Kirk Bocek 21 Jul '11

21 Jul '11

I'm struggling with the xhci_hcd driver trying to get a NEC Corporation uPD720200 USB 3.0 Host Controller working under CentOS 6 x86_64. I've documented my efforts in the forums: https://www.centos.org/modules/newbb/viewtopic.php?topic_id=32237&forum=57 If anyone has any experience with the xhci_hcd driver, please share. Thanks, Kirk Bocek

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There is no One True Solution
by Devin Reade 21 Jul '11

21 Jul '11

Folks, in many recent threads this pattern has been happening: OP: Any suggestions on how to do <something>? Responder 1: Look at <solution1>. Responder 2: Look at <solution2>. Responder 3: Look at <solution3>. Responder 4: It doesn't work for me / I don't like that / it's a stupid solution / etc <conversation degenerates and/or flamewar ensues> There's nothing wrong with comparing / contrasting different solutions, but can we please try to remember that every circumstance is different and that just because someone suggests a solution it doesn't mean that it's the best for everyone? Ultimately, only the OP will be able to figure out what works best for him but having alternatives can help him get there. IMNSHO we, as professionals, should have lots of tools in our toolboxes, understand their pros and cons, not only in isolation but as they would apply in the different environments in which we find ourselves. If you have observations about a solution based on experience by all means share them (but please qualify the circumstances in which they apply). If you don't, file the solution away in your meatware for future reference. But if you hear about a solution and it doesn't seem like a good fit for your particular circumstances, and you're not the OP, can we please stop hearing the "but it doesn't work for *me* in these slightly different circumstances" comments? Devin

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OT: [opensuse-offtopic] Microsoft struggles to get Hyper-V drivers in Linux kernel (fwd)
by Keith Roberts 21 Jul '11

21 Jul '11

Not too sure what to think about this, considering M$'s track record with OSS and other competitors. Kind Regards, Keith Roberts ---------- Forwarded message ---------- To: opensuse-offtopic <opensuse-offtopic(a)opensuse.org> From: Basil Chupin <blchupin(a)iinet.net.au> Subject: [opensuse-offtopic] Microsoft struggles to get Hyper-V drivers in Linux kernel The company has ramped up kernel contributions in hopes of adding Hyper-V drivers, which it has worked on for more than two years Microsoft <http://www.networkworld.com/subnets/microsoft/> isn't exactly dumping Windows <http://www.networkworld.com/topics/windows.html> for Linux <http://www.networkworld.com/topics/linux.html>, but it has become one of the busiest contributors <http://linux.slashdot.org/story/11/07/16/2316251/Microsoft-Developer-Made-t…> to the Linux kernel. Microsoft's attempt to get Hyper-V drivers into the Linux kernel has taken longer than expected, having begun in July 2009 <http://www.networkworld.com/news/2009/072009-microsoft-linux-source-code.ht…>, so Microsoft is apparently trying to speed up the process. Microsoft was the fifth-largest corporate contributor to Linux kernel version 3.0, open source author and computer scientist David Wheeler writes in his blog <http://www.dwheeler.com/blog/2011/07/14/#microsoft-linux-author>. [Full story] http://www.infoworld.com/d/applications/microsoft-struggles-get-hyper-v-dri… -- Paradise is like Hell and neither is too far from you because both are creations of your mind and therefore both are already inside you. -- To unsubscribe, e-mail: opensuse-offtopic+unsubscribe(a)opensuse.org For additional commands, e-mail: opensuse-offtopic+help(a)opensuse.org

4 3

MySQL ERROR - UNKNOWN_MYSQL_USER
by Keith Roberts 21 Jul '11

21 Jul '11

This is strange behavior because as soon as I start mysqld with a clean error log, I get the following messages: 110720 21:38:47 [Note] /usr/libexec/mysqld: ready for connections. Version: '5.5.14-log' socket: '/var/lib/mysql/mysql.sock' port: 2500 MySQL Community Server (GPL) by Remi 110720 21:38:48 [Warning] Access denied for user 'UNKNOWN_MYSQL_USER'@'localhost' (using password: NO) The strange things is, AFAIK there are no clients trying to connect to mysql. I shutdown a mysql CLI monitor I had running, and did the restart again. So I'm just wondering why I get this message, when AFAIK there is nothing that should be trying to connect to mysql - unless it's a server daemon running somewhere? Has anyone else come across this funny error message? Kind Regards, Keith Roberts ----------------------------------------------------------------- Websites: http://www.karsites.net http://www.php-debuggers.net http://www.raised-from-the-dead.org.uk All email addresses are challenge-response protected with TMDA [http://tmda.net] -----------------------------------------------------------------

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Bug in 6.0 i386 Basic server install...
by John Doe 21 Jul '11

21 Jul '11

Hey, I tested centOS in vmware player (512MB, 1 IDE disk) and bumped into a post install failure to boot. While the minimal install works all the way, the Basic server one fails at the first post-install boot with following: modprobe: FATAL: Could not load /lib/modules/2.6.32-71.el6.i686/modules.dep: No such file or directory ... No root device found ... Boot has failed, sleeping forever I used the same partioning scheme as the minimal that is working fine... /boot ext4 sda1 swap on sda2 / on sda3 Tried with a SCSI disk image, and Basic server works fine... Known issue with IDE? Thx, JD

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Discuss July 2011