Discuss July 2013

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167 participants
150 discussions

Runaway rpm process?
by James B. Byrne 13 Jul '13

13 Jul '13

CentOS-6.4_x86_64 I have a KVM virtual machine (several actually) which acts as a warm spare for another kvm instance running on a different physical host. Each hour it backs up the live system using rsync. This morning I discovered that the backup instance was running at 99% utilisation and that the process consuming the entire virtual cpu was this: sh -c rpm -q -a --queryformat "%{NAME}\n%{VERSION}-%{RELEASE}\n%{EPOCH}\n%{GROUP}\n%{SUMMARY}\n\n" 2>/dev/null In fact there were two identical instances of these processes, one the parent of the other. The vm instance does not have access to the internet as its physical host is connected to the physical host of the live kvm using a x-over patch cable. Where is this process started from? What does it do? And why is it consuming so much cpu.? Does anyone here have any ideas? -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3

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CentOS-announce Digest, Vol 101, Issue 8
by centos-announce-request＠centos.org 12 Jul '13

12 Jul '13

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CEBA-2013:1047 CentOS 6 sblim-wbemcli FASTTRACK Update (Johnny Hughes) 2. CEBA-2013:1046 CentOS 6 glibc Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Thu, 11 Jul 2013 15:13:56 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2013:1047 CentOS 6 sblim-wbemcli FASTTRACK Update To: centos-announce(a)centos.org Message-ID: <20130711151356.GA33830(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2013:1047 Upstream details at : https://rhn.redhat.com/errata/RHBA-2013-1047.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 10643ee903e2cdb9bfe439924e7c1cbf3964b1dbb5b77adc942d382040721276 sblim-wbemcli-1.6.1-2.el6.i686.rpm x86_64: 8498018a389aeb15956cefdb089f7bbe7dc8e0e5c4fae233a11b2328c8a6d11c sblim-wbemcli-1.6.1-2.el6.x86_64.rpm Source: 7d8c921abc82b4a197475da8a93914d9fb6077285bfdb3160ea45d81a23d53c8 sblim-wbemcli-1.6.1-2.el6.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Thu, 11 Jul 2013 15:15:04 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2013:1046 CentOS 6 glibc Update To: centos-announce(a)centos.org Message-ID: <20130711151504.GA34191(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2013:1046 Upstream details at : https://rhn.redhat.com/errata/RHBA-2013-1046.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: cb8d502b6f893376aa251f5c0c7f237638b43f4883c4726f50d29a79557e28a2 glibc-2.12-1.107.el6_4.2.i686.rpm 1d462123af62353205758c95569363093b59555fdd6b3400a3da605621d378cc glibc-common-2.12-1.107.el6_4.2.i686.rpm 10045ede6ed32655367b421a709e89df2b93cdec35c98d431133ef5df082b782 glibc-devel-2.12-1.107.el6_4.2.i686.rpm f1f1381d04d86c634ca01b567a15995037c810a539e58a796f0642935ff2a0ed glibc-headers-2.12-1.107.el6_4.2.i686.rpm 8fce382c1d06a837644c48b28878866b35ceac45aefa2cffb66d99bbf3ac55ed glibc-static-2.12-1.107.el6_4.2.i686.rpm a01ab15d98d80be5453470eb2ddcdb48e7799da2139767c0729c559bc6d7d79e glibc-utils-2.12-1.107.el6_4.2.i686.rpm bdd8f49ea834355019f8dbe95fdf8bddfda08123db4cfb356ada373a81309e2d nscd-2.12-1.107.el6_4.2.i686.rpm x86_64: cb8d502b6f893376aa251f5c0c7f237638b43f4883c4726f50d29a79557e28a2 glibc-2.12-1.107.el6_4.2.i686.rpm df930997e6d4d1abd0a1ae3aa4843b7a6facf21aef376427cf16c235236428a1 glibc-2.12-1.107.el6_4.2.x86_64.rpm d3624813871716f4b89b44ecddc1fb4e8bd31805d53ecd22cacdf0cfae57b4d5 glibc-common-2.12-1.107.el6_4.2.x86_64.rpm 10045ede6ed32655367b421a709e89df2b93cdec35c98d431133ef5df082b782 glibc-devel-2.12-1.107.el6_4.2.i686.rpm 2506a919d0c93278e988c7c3d15f93f2f5671b6f5a3bc4c386461aea6fe2cdf9 glibc-devel-2.12-1.107.el6_4.2.x86_64.rpm c26dc81c6cb559542cf8dee87b0724adb5a60960ee219693597e49e415cc7de4 glibc-headers-2.12-1.107.el6_4.2.x86_64.rpm 8fce382c1d06a837644c48b28878866b35ceac45aefa2cffb66d99bbf3ac55ed glibc-static-2.12-1.107.el6_4.2.i686.rpm 6d904f8e5952db650017b20f96cb6655b56900822f20ba21a996c8b491f7b8dc glibc-static-2.12-1.107.el6_4.2.x86_64.rpm 75c34c24d65a773327c3c09ddd4445d0d53605141cfce43775b084324d0dd0dc glibc-utils-2.12-1.107.el6_4.2.x86_64.rpm d12510a7c6dae1ce82fcfd99a75ef0c54f5aa7e3691ec9980d4e0d05be0b50c9 nscd-2.12-1.107.el6_4.2.x86_64.rpm Source: 6ac25ede1bcad04e65c42f543bc41503523c69c91bafce37f5e98a96b99d3485 glibc-2.12-1.107.el6_4.2.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org http://lists.centos.org/mailman/listinfo/centos-announce End of CentOS-announce Digest, Vol 101, Issue 8 ***********************************************

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CentOS 6.4 with VMWare Fusion on MBA 2013
by Alexander Farber 12 Jul '13

12 Jul '13

Hello, is anybody successfully using CentOS 6.4 with VMWare Fusion 5 on a Macbook? I have tried moving a CentOS 6.4 VM from VMWare Workstation on Win 7 (where it works well) to VMWare Fusion on a Macbook Air (2013) and when it boots it says: Detected CPU family 6 model 69 unsupported hardware device After that a progress bar is displayed at the bottom and "CentOS 6.4" on the right bottom. The progress bar fills and then - nothing happens Thank you for any hints Alex

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problems with apache downgrade
by m.roth＠5-cent.us 12 Jul '13

12 Jul '13

There was an upgrade on a couple of our servers yesterday, mid-afternoon our time, of httpd and httpd-devel, and suddenly SiteMinder (bleah) stopped working correctly, and is now pegging a cpu, according to top. So, as a last resort, I tried downgrading both of them. When I did so, the server that uses ssl *erased* mod-ssl, not downgrading it, and I'll have to find where I can get the previous version tomorrow... but that shouldn't happen, I should think. Downgrade *should* get everything, unless it's brand new, and this isn't. mark

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Slow TCP performance from Win2k8R2 guests under Linux KVM
by Gordon Messmer 12 Jul '13

12 Jul '13

Would anyone be so kind as to test the performance of TCP streams on Windows 2k8R2 guests of KVM virt servers? virtio-win-1.6.3 was published to address a problem described as "low performance" on Win2k8 guests. Actual performance was not recorded in the bug report. On my KVM servers, Windows 2k8R2 guests are able to send data at less than 4Mbps. I test this by using netcat on Windows and piping a file to its input. The receiving end of the transfer is an un-virtualized CentOS system. Transfer rate is measured by selecting the stream in iptraf while it is active. UDP transfers, such as by CIFS, will send data at around 400Mbps. TCP transfers from Windows 2012 or Windows 8 are not similarly affected. The same driver for Win2k8 was published by Red Hat in virtio-win 1.6.3, 1.6.4, and 1.6.5. Does anyone see TCP transfer rates from Win2k8R2 that don't look ridiculously slow? https://bugzilla.redhat.com/show_bug.cgi?id=859882 http://rhn.redhat.com/errata/RHBA-2013-0441.html http://joncraton.org/blog/46/netcat-for-windows

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Can't install gcc
by Yves S. Garret 12 Jul '13

12 Jul '13

Hi, I'm having this odd problem with being unable to install gcc, this is what I tried and what I'm getting as an error: $ sudo yum install gcc.x86_64 Loaded plugins: security Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package gcc.x86_64 0:4.4.6-4.el6 will be installed --> Processing Dependency: cpp = 4.4.6-4.el6 for package: gcc-4.4.6-4.el6.x86_64 --> Processing Dependency: glibc-devel >= 2.2.90-12 for package: gcc-4.4.6-4.el6.x86_64 --> Processing Dependency: cloog-ppl >= 0.15 for package: gcc-4.4.6-4.el6.x86_64 --> Running transaction check ---> Package cloog-ppl.x86_64 0:0.15.7-1.2.el6 will be installed --> Processing Dependency: libppl_c.so.2()(64bit) for package: cloog-ppl-0.15.7-1.2.el6.x86_64 --> Processing Dependency: libppl.so.7()(64bit) for package: cloog-ppl-0.15.7-1.2.el6.x86_64 ---> Package cpp.x86_64 0:4.4.6-4.el6 will be installed --> Processing Dependency: libmpfr.so.1()(64bit) for package: cpp-4.4.6-4.el6.x86_64 ---> Package glibc-devel.x86_64 0:2.12-1.80.el6_3.7 will be installed --> Processing Dependency: glibc-headers = 2.12-1.80.el6_3.7 for package: glibc-devel-2.12-1.80.el6_3.7.x86_64 --> Processing Dependency: glibc-headers for package: glibc-devel-2.12-1.80.el6_3.7.x86_64 --> Running transaction check ---> Package glibc-headers.x86_64 0:2.12-1.80.el6_3.7 will be installed --> Processing Dependency: kernel-headers >= 2.2.1 for package: glibc-headers-2.12-1.80.el6_3.7.x86_64 --> Processing Dependency: kernel-headers for package: glibc-headers-2.12-1.80.el6_3.7.x86_64 ---> Package mpfr.x86_64 0:2.4.1-6.el6 will be installed ---> Package ppl.x86_64 0:0.10.2-11.el6 will be installed --> Finished Dependency Resolution Error: Package: glibc-headers-2.12-1.80.el6_3.7.x86_64 (updates) Requires: kernel-headers Error: Package: glibc-headers-2.12-1.80.el6_3.7.x86_64 (updates) Requires: kernel-headers >= 2.2.1 You could try using --skip-broken to work around the problem You could try running: rpm -Va --nofiles --nodigest I tried this workaround, but with no avail: http://www.centos.org/modules/newbb/viewtopic.php?topic_id=39018&forum=56 Downgrading did not work. The only repo that I've enabled is epel. What am I missing or not doing correctly?

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KVM USB passthrough bug
by Emiliano Mariño 12 Jul '13

12 Jul '13

Dear list members, I'm having trouble with KVM after updating (centos 6.3). The issue is very similar to this one on Fedora 19: https://bugzilla.redhat.com/show_bug.cgi?id=862915 Does anyone know which packages do I have to downgrade to bypass the bug until solved? Thanks, Emiliano

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postfix as default MTA
by Devin Reade 12 Jul '13

12 Jul '13

I noticed when CentOS 6 came out that RHEL had moved to postfix vice sendmail as the default MTA. I had never heard the rationale given, it always sat on the back burner, but I was reminded of the question the other day when I was dealing with a related topic. I don't want to get into a pissing contest about how one MTA is obviously better than the other, nor why others think that I should prefer one over the other, but I *would* like to know what rational (if any) RedHat gave on the move. My google-fu hasn't been successful in finding it and I didn't see anything in the CentOS archives on the topic. Does anyone remember the reasoning, if given? In particular, I'm wondering if it was due to integration with any other specific subsystem or software product. Devin

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CentOS Dojo and Barbecue - Aldershot, UK on 12th July 2013
by Karanbir Singh 12 Jul '13

12 Jul '13

Hi, The next CentOS Dojo is coming to Aldershot, UK - a 45 min train ride from London Waterloo station - on the 12th July 2013. We have a great, and growing list of speakers already on the agenda, and another few waiting to confirm. And, the venue sponsors - catn.com - are going to organise a hog roast barbecue and beet for everyone attending once the talks are done ( 4pm'ish ). So another great reason to come along and say hi. Details on the day: http://wiki.centos.org/Events/Dojo/Aldershot2013 Registration URL : http://centosdojoaldershot.eventbrite.co.uk/# I will post another followup email once we have the agenda finalised, but if you are in the area - or can get to the area on the 12th July - I highly recommend you come along. Its going to be a great event! Regards, -- Karanbir Singh +44-207-0999389 | http://www.karan.org/ | twitter.com/kbsingh GnuPG Key : http://www.karan.org/publickey.asc

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gspca - a followup
by m.roth＠5-cent.us 11 Jul '13

11 Jul '13

I *think* the problem I've been having with the gspca_zc3xx video drivers isn't directly that driver. One of my users, on one of the two servers that broke, started having continuing crashes from where he enabled mediawiki to server thumbnails for some images. That crash, according to the [abrt] full crash report, is from /usr/bin/convert, and /var/log/messages tells me kernel: convert[1880]: segfault at 7f948fbabfe8 ip 00007f949bb97d49 sp 00007f948fbabff0 error 6 in libc-2.12.so[7f949bb20000+18a000] So, it appears to me that there was some change in either convert, or libc, that only gets hit in very, very specific cases, which I suspect has to do with the chipset. In my case, it hits a Dell PowerEdge R720, and a Penguin 1650A. Now, I find this weird, as the former is a Xeon, and the latter an older Opteron, but I can't figure out any other possible cause, since I have no problem at all with an older Penguin, with a Xeon, and one I moved the camera to, a Dell PE R415, running an Opteron. Deeply odd problem. mark

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Discuss July 2013