| --- | Log | opened Mon Apr 02 00:00:15 2007 |
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| 08:59 | <watt> | Hi, I have a problem when I start a VM, the error is "Device 768(vbd) could not be connecting" |
| 09:10 | <tontsa> | usually a sign that you have it mounted somewhere already |
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| 10:14 | <DoberMann_> | when i want to use a tun device in a domU, i get the following error : "cannot allocate tun device - no such file or directory", and i can't find out why, does anyone has any idea ? |
| 10:16 | <DoberMann_> | k, that was a problem with udev (not installed) |
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| 10:43 | <mahasamoot> | Do Intell systems market "vPro" have both "VT-x" and "VT-d"? |
| 10:44 | <mahasamoot> | Id est, could a windows guest get direct access to viedo and sound? |
| 10:45 | <icblenke> | sound: emulated through qemu-dm. video: emulated as cirrus-logic through qemu-dm. no direct access to either on the host, no. |
| 10:45 | <mahasamoot> | With VT-d? |
| 10:48 | <icblenke> | some day, with Intel VT-d and AMD SR-IOV are supported, probably. until then: no. |
| 10:50 | <mahasamoot> | so VT-d isn't out yet. Any ideas on when it will be availble? |
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| 10:53 | <mahasamoot> | just found your blog |
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| 10:56 | <mahasamoot> | On your blog, "Intel VT-d and AMD IOV should be out sometime Real Soon Now." Was the phrase 'Real Soon Now' sarcasm? |
| 10:56 | <icblenke> | This year. Maybe. |
| 10:58 | <mahasamoot> | So the next question, would be. Will it be safe to be the first on the block? |
| 10:58 | <icblenke> | Is it ever? |
| 10:58 | <mahasamoot> | Good point. |
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| 11:00 | <mahasamoot> | perhaps, I sould get a cheap system while I'm waiting. |
| 11:02 | <mahasamoot> | Sorry, this is off topic. I'm interested in you last name. Where does it come from? |
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| 11:17 | <icblenke> | some valley in the Tirol mountains in Austria, or so we've found. |
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| 11:36 | <movement> | anyone actually used vcpu_avail? It doesn't seem to work |
| 11:36 | <movement> | (that is all vcpus are 'online' in xenstore) |
| 11:37 | <movement> | also what's the new replacement? |
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| 11:39 | <movement> | it seems xm quite happily lets you vcpu-set beyond the initial allocation too |
| 11:41 | <danp1> | movement: does the guest ever actually use them though ? |
| 11:41 | <danp1> | IIRC no matter what XenD lets you set vcpu-set to, the guest will never use more than it was originally booted with |
| 11:43 | <movement> | danp1: right, suspected that to be the case for linux too |
| 11:44 | <movement> | is for solaris except we have a silly bug where we don't actually check and assert later |
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| 13:39 | <adj> | hi. im having issues with migrations in 3.0.4 |
| 13:40 | <adj> | both dom0 hosts are fc6 with xen and the kernel built from 3.0.4 mercurial sources |
| 13:41 | <adj> | hmm. hold, maybe i found the problem |
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| 13:54 | <PerlSaiyan> | anyone tried to boot the openfiler.com domU sample image? |
| 13:54 | <PerlSaiyan> | bootloader = '/usr/bin/pygrub' |
| 13:55 | <PerlSaiyan> | that line seems to piss off my instance |
| 13:58 | <adj> | ok. i have two dom0 hosts, one is a Dell 2850, the other a HP DL380. both are running the 3.0.4 source, both were built with make world, make install, edit grub, etc |
| 13:58 | <adj> | i have a domU file backed VM stored on an NFS share mounted by both servers |
| 13:59 | <adj> | dom0-one can boot up the VM fine, shut it down, save/restore, etc |
| 13:59 | <adj> | but dom0-two errors with "Error: (22, 'Invalid argument')", then hangs if i attempt to mess with xm again, or restart xend |
| 14:00 | <adj> | does this make any sense? everything should be the same on the two machines |
| 14:01 | <movement> | Xen virtual console successfully installed as tty1 |
| 14:01 | <movement> | Warning: unable to open an initial console. |
| 14:02 | <movement> | extra = "ro console=tty1" |
| 14:02 | <movement> | any suggestions? |
| 14:08 | [~] | movement wonders how anyone is using the jailtime images |
| 14:09 | <tontsa> | they work for me |
| 14:09 | <movement> | where did you get your kernel from? |
| 14:09 | <movement> | what's in /etc/inittab? |
| 14:09 | <adj> | the work on one of my machines ;) |
| 14:10 | <tontsa> | xensource.com and /etc/inittab is what comes with those images |
| 14:10 | <movement> | and did you create an initrd |
| 14:10 | <tontsa> | yeah of course, otherwise no blk or net |
| 14:10 | <movement> | yes, well, I can't actually see that. |
| 14:10 | <movement> | tontsa: xensource builds them in by default actually |
| 14:10 | <movement> | in 3.0.4 at least |
| 14:11 | <tontsa> | yeah but you still need the initrd to do the pivot root thingie |
| 14:11 | <movement> | am I horribly out of date? when did initrds become required in linux? |
| 14:11 | <tontsa> | i mostly boot those images with rhel5 xen kernel |
| 14:12 | <movement> | I really wish jailtime images came with kernel/initrd in the image. |
| 14:12 | <movement> | I'm going to have to install FC6 just to use them :/ |
| 14:12 | <tontsa> | not in linux, but fc/co/rh boot process is made so you need that extra trickery in initrd |
| 14:12 | <movement> | ah. |
| 14:13 | <tontsa> | otherwise they just die with nonsense about initial console or mounting root |
| 14:14 | <movement> | yes, indeed :( |
| 14:14 | <tontsa> | what i haven't figured out what changed in 3.0.3-3.0.4 compared to 3.0.2 when it comes to mingetty after boot of domU kernel |
| 14:14 | <movement> | I don't understand why the image doesn't have a correct /etc/inittab and /dev/console though. they explicitly disabled udev |
| 14:15 | <tontsa> | in 3.0.2 i just get happy login prompt, but in 3.0.3(rhel5) or 3.0.4 the console just "dies" after boot/init.d messages |
| 14:15 | <tontsa> | movement, the initrd mknods those in /dev |
| 14:15 | <movement> | tontsa: yes I know. it shouldn't be necessary. oh well. |
| 14:16 | <tontsa> | it's tricky to get udev working at all if you wanna have vanilla domU |
| 14:16 | <tontsa> | especially if you run fc6 kernels |
| 14:17 | <tontsa> | overall i'm happier with xen 2 series, only problem is that the PAE sucks bigtime there |
| 14:18 | <murb> | tontsa: that PAE :-) |
| 14:18 | <murb> | s/that/what/ |
| 14:18 | <murb> | tontsa: 3.0.5 is shaping up to be quite nice. |
| 14:18 | <tontsa> | exactly |
| 14:18 | <tontsa> | 3.0.x i have random domUs going zombie without any messages in xm dmesg, dmesg or domU console |
| 14:19 | <tontsa> | and you have to boot the whole shit to get things running |
| 14:19 | <murb> | tontsa: and random domU network death.. |
| 14:19 | <icblenke> | hvm? |
| 14:19 | <tontsa> | 2.0.x no such issues, uptimes over 400 days :) |
| 14:19 | <tontsa> | pv |
| 14:19 | <murb> | tontsa: i had to update due to kernel security issues. |
| 14:19 | <icblenke> | no such issues with pv here. running both 3.0.3 and 3.0.4 in the farm. |
| 14:20 | <icblenke> | I _am_ having some qemu-dm instabilities under load with HVM and 3.0.4 |
| 14:20 | <tontsa> | mine happen in 3.0.2-3.FC6 (self compiled PAE) |
| 14:20 | <icblenke> | but not with 3.0.3 |
| 14:23 | <tontsa> | the funny thing with that 3.0.2-3.FC6 dom0 box is the other domUs run the same kernel, have virtually the same parameters, but only one specific domU goes randomly zombie and bringing down other domUs networking with it |
| 14:23 | <tontsa> | it can happen in hours or in days |
| 14:23 | <tontsa> | no idea what triggers it |
| 14:24 | <tontsa> | and after that say you issue "reboot" the migration fails on all of the domUs |
| 14:51 | <adj> | would someone please take a look at this segment of my xend.log and help me determine why i cannot start a domU on this host? |
| 14:51 | <adj> | http://www.pastebin.ca/421338 |
| 14:52 | <tontsa> | what's in the conf file you give to xm create |
| 14:52 | <aliguori> | just add a valid uuid parameter to your conf |
| 14:52 | <aliguori> | sounds like a bug though to em |
| 14:53 | <adj> | if you refresh the post, i appended my conf to the bottom |
| 14:54 | <adj> | uuid parameter? i dont see anything in the docs about this.. hmm |
| 14:55 | <movement> | seems I can't build a fedora-workable initrd on suse even |
| 14:57 | <tontsa> | movement, why don't you mount the fedora-image somewhere as writeable, chroot to it and install the desired kernel rpm |
| 14:57 | <tontsa> | that way get the initrd done |
| 14:58 | <adj> | i would suggest not using the latest kernel-xen from fc6 either. it has a memory corruption bug |
| 14:59 | <tontsa> | i'm really looking forward to getting Centos 5 on all of my xen dom0s |
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| 15:06 | <adj> | oh man. i had xen and virtlib already installed as yum packages.... im guess make install from xensource didnt overwrite everything properly |
| 15:08 | <tontsa> | what do you expect from a dumb makefile |
| 15:08 | <adj> | haha. its not a dumb makefile. it was a dump admin who forgot to yum remove all the borken crap ;) |
| 15:08 | <adj> | s/dump/dumb |
| 15:09 | <tontsa> | well let's say then s/dumb/blunt/ |
| 15:11 | <adj> | and shazaam. all the problems dissapear :D |
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| 15:23 | <movement> | tontsa: no ext2 driver :) |
| 15:23 | <tontsa> | in where? |
| 15:26 | <movement> | solaris. |
| 15:26 | <tontsa> | where did that solaris come from all of the sudden |
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| 16:54 | <icblenke> | we are having some bizarre problems with more than one network interface with the same chipset under dom0 |
| 16:54 | <icblenke> | it works for a while. many days, under a good solid multi-megabit network load |
| 16:55 | <icblenke> | but, eventually, secondary/tertiary/quaternary network interfaces will eventually go into a "dead to the world state". |
| 16:55 | <icblenke> | the interfaces appear up, but no traffic passes. |
| 16:56 | <icblenke> | the odd bit to note here, is that with the same 2.6.16.33 kernel base built without Xen, the servers have no issues. |
| 16:56 | <icblenke> | this is affecting > 12 servers in our farm that are bgp/ospf multi-homed as part of our router core. |
| 16:57 | <icblenke> | the oddest part is that the _primary_ interface with any given chipset has never failed for us. |
| 16:57 | <icblenke> | this problem spans network drivers, switches, cables, and sites. |
| 16:58 | <icblenke> | e100, tg3, sundance, and more multi-port chipsets. |
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| --- | Log | closed Tue Apr 03 00:00:04 2007 |
