search for: prepares

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2010 Mar 12
1
Problem with libvirt migration
I have two hosts, vm1 and vm2, which are both running libvirt 0.7.0. They share a common ocfs2 file system that resides on a san, and have identical network configurations. I am running qemu-kvm 0.11.0 on ubuntu 9.10 servers. I start base32 on vm1 and it comes up (it also runs fine if started on vm2). Then from vm2 I do: vm2#: virsh -c qemu://vm1/system migrate --live base32
2010 Dec 31
1
livemigrate problems
hello everybody and happy new year! I am a newbie in libvirt use, and I use it mostrly throught OpenNebula. Anyway, I noticed that one of the nodes can be a destination of a livemigrate but not the source. This is the environment: 4 blades nicknamed(*) red3, red9, red10, red11, each with 8 Intel E5506 cores (@ 2.13GHz) running CentOS 5 and KVM as hyoervisor. (*) these are names I
2018 Jan 02
2
Hard lock with 4.14.0-2
Previous kernel was 4.13.0-10.1-liquorix-amd64 The updated kernel that I'm having trouble was not liquorix -- was straight from Debian. Here's my apt log: Log started: 2018-01-02 12:04:48 (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ...
2018 Jan 02
2
Hard lock with 4.14.0-2
I am running Debian testing and updated my system this morning which included a new kernel: 4.14.0.2-amd64 After this update, my system froze twice -- both times the exact same behavior. In both situations, the system froze while I was resizing a window. The mouse cursor froze, clock stopped, num lock stopped working. I didn't check if the system responded to pings from a remote machine,
2014 Sep 23
0
libvirt crashed by restore of xen vm
Hello everybody, i oberserve a strange behavior of libvirtd. I have an xen vm (HVM, windows xp) that i restore from an statefile. If i do so, it works. But if i do that in an loop, where i restore the vm, let it run 60 seconds, destroy it, wait 30 second, and then i restore again, it runs 91 times and then libvirt crashed and the give me in the syslog logs the messages after "from
2018 Nov 13
1
create vm timeout
Hi all: I create VM on most hypervisors very quickly, about 2 seconds. But some hypervisors are slow, taking more than 10 seconds. I started the debug log for libvirtd and found that some threads had timed out. Thread 95205 has two 5-second timeouts, but I don't know why? Below some information about my hypervisor: [root@node1 datapool]# virsh -v 3.4.0 [root@node1 datapool]# qemu-x86_64
2013 Oct 31
2
Re: libvirt_lxc causes cpu 100% usage
I consider this's a problem on mips platform, while it did not happened on x86 after testing. :-( ... ------------------ Original ------------------ From: "menghuizhanguo";<menghuizhanguo@gmail.com>; Date: Wed, Oct 30, 2013 10:50 AM To: "menghuizhanguo"<menghuizhanguo@gmail.com>; "libvirt-users"<libvirt-users@redhat.com>; Cc:
2013 Oct 24
3
libvirt_lxc causes cpu 100% usage
libvirt_lxc causes cpu 100% usage? libvirt version : 1.1.1 I don't know what happend, any help would be appreciated. thx top - 07:39:44 up 1 day, 2:13, 2 users, load average: 4.72, 4.59, 4.51 Tasks: 243 total, 4 running, 239 sleeping, 0 stopped, 0 zombie %Cpu0 : 33.1 us, 1.3 sy, 0.0 ni, 64.6 id, 0.7 wa, 0.0 hi, 0.3 si, 0.0 st %Cpu1 : 41.1 us, 3.0 sy, 0.0 ni, 55.3 id, 0.7
2013 Oct 30
0
Re: libvirt_lxc causes cpu 100% usage
log_level = 1 In the lxc log , under normal situation , about 6~7 minutes between loops . the log below is printed in a loop.´╝łthe minimal loop content) 2013-10-29 10:17:00.567+0000: 7566: debug : virEventPollRunOnce:638 : Poll got 1 event(s) 2013-10-29 10:17:00.567+0000: 7566: debug : virEventPollDispatchTimeouts:423 : Dispatch 2 2013-10-29 10:17:00.568+0000: 7566: debug :
2013 Oct 31
0
Re: libvirt_lxc causes cpu 100% usage
why the poll always got 1 event ... ? any suggestion ? "virEventPollRunOnce:638 : Poll got 1 event(s)" ------------------ Original ------------------ From: "menghuizhanguo";<menghuizhanguo@gmail.com>; Date: Thu, Oct 31, 2013 08:43 AM To: "libvirt-users"<libvirt-users@redhat.com>; Subject: Re:libvirt_lxc causes cpu 100% usage I consider
2006 Mar 23
8
ActiveRecord & Prepared Statement
I searched the archives and found a thread about it, but I didn''t understand: are prepared statement used by ActiveRecord on those databases that could handle them (Postgresql, Mysql, Oracle etc)? In case they are not used, are they planned? Is there a roadmap about Rails I can find somewhere?
2008 Nov 06
8
anyone able to explain logic behind "rake spec" startup (e.g. db:test:prepare => abort_if_pending_migration => invoke environment => etc etc)
anyone able to explain logic behind "rake spec" startup? i.e. the below steps & why things occur when they do Macintosh-2:myequity greg$ rake spec --trace (in /Users/greg/source/myequity) ** Invoke spec (first_time) ** Invoke db:test:prepare (first_time) ** Invoke db:abort_if_pending_migrations (first_time) ** Invoke environment (first_time) ** Execute environment **
2005 Oct 14
10
Active Record: Prepared Statements?
Hello all, my first project is on it''s way, and I am loving it! But, and that''s a big BUT: Active Record does not use prepared statements! How is that? Everybody is bragging about performance and the most obvious tuning measure is missing. Ok, I don''t know, if MySQL can even do them as I am using Postgres, but still. I started looking at the code and it is not
2020 Jul 09
2
[nbdkit PATCH] filters: Improve docs on .prepare prerequisites
Since .prepare is called before client negotiation has completed, filters have an additional burden to ensure prerequisite functions are called in order to avoid triggering assertions in backend.c. See also: https://bugzilla.redhat.com/show_bug.cgi?id=1855330, https://www.redhat.com/archives/libguestfs/2020-July/msg00041.html Signed-off-by: Eric Blake
2020 Apr 03
2
Re: [supermin PATCH 3/4] Extend modes with list of outputs
On Fri, Apr 03, 2020 at 12:20:57PM +0200, Pino Toscano wrote: > Add a function for each mode to return the list of potential outputs, so > that the existance/timestamp checks done for --if-newer can take those > into accounts. > > At the moment both modes return no outputs, so there is no behaviour > change. Patches 1, 2 and 4 are fine. I have a minor problem with this
2011 Sep 13
4
Prepared statements and postgreSQL schemas
Hi guys. I''m using a postgreSQL with multiple schemas. To change between schemas I use the ''SET schema TO ...'' statement. That works ok in rails 3.0. Rails 3.1 uses prepared statements and does not take into account the ''schema_search_path''. This is a big problem because the statement is prepared once and then the same prepared statement is executed
2020 Jul 09
1
Re: [nbdkit PATCH] filters: Improve docs on .prepare prerequisites
On 7/9/20 12:08 PM, Richard W.M. Jones wrote: > On Thu, Jul 09, 2020 at 11:37:53AM -0500, Eric Blake wrote: >> Since .prepare is called before client negotiation has completed, >> filters have an additional burden to ensure prerequisite functions are >> called in order to avoid triggering assertions in backend.c. >> >> See also:
2018 Aug 01
0
[PATCH v2 nbdkit 1/6] filters: Call all .prepare and .finalize methods, not just the first one.
These methods are not chained through the next_ops structure, so we must do that work in src/filters.c. This fixes the behaviour of filters when you layer multiple filters in front of a plugin. --- src/filters.c | 27 +++++++++++++++++++-------- 1 file changed, 19 insertions(+), 8 deletions(-) diff --git a/src/filters.c b/src/filters.c index 18948bc..67f06d6 100644 ---
2013 Feb 28
0
Rake tasks db:test:prepare cannot be executed in the same task of db:reset or db:migrate
Hey all, I''m trying to create a task that prepare the environment to start programming. To do so, I created a task like this *task :setup_env => [''db:reset'', ''db:migrate'', ''db:test:prepare'']* and observed that after execute * rake setup_env*, it never execute db:test:prepare properly. In order to get the schema cloned to test db,
2009 Mar 31
4
Tax Preparation with WINE
As approximately 130 million other US citizens, I am dutifully preparing for the April deadline for filing my income tax returns. Reviewing the WINE AppDB for installable tax software to help out in the process, it appeared that 2nd Story Software's TAX ACT was most likely to work with the WINE version (1.1.17) installed on my Mandriva-equipped HP laptop. As it turned out, TAX ACT was able