| --- | Log | opened Thu May 19 00:00:13 2005 |
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| 09:19 | riel | *sigh* |
| 09:19 | riel | xenolinux just isn't booting on SMP currently |
| 09:23 | | * tessier plays sad music |
| 09:23 | tessier | When my favorite coders are sad, I'm sad. |
| 09:24 | riel | CPU1: Intel Genuine Intel(R) CPU 3.00GHz stepping 02 |
| 09:24 | riel | Total of 2 processors activated (11953.76 BogoMIPS). |
| 09:24 | riel | ENABLING IO-APIC IRQs |
| 09:24 | riel | *hang* |
| 09:25 | tab | huh again an APIC bug ? |
| 09:26 | riel | this time domain 0 ;) |
| 09:27 | tab | when was your last version to work in SMP ? |
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| 09:28 | riel | tab: a few weeks ago, for FC4 test3 |
| 09:28 | riel | april 24 or something like that |
| 09:29 | riel | chances are it broke when the acpi and apic code was moved from xen into domain 0 |
| 09:30 | mael | geee |
| 09:30 | mael | unstable is worth the name |
| 09:31 | riel | it can't even exec programs inside the initrd ;( |
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| 09:34 | tab | riel: yes indeed |
| 09:34 | riel | tab: are you seeing the same ? |
| 09:34 | tab | no, but I was sure it was related to the apic code moved to domain 0 |
| 09:34 | riel | ahhh ok |
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| 09:41 | rharper | riel: I've been booting SMP unstable for the past week after the changes. but I do have rather old hardware |
| 09:42 | riel | I've got a hyperthreaded cpu here |
| 09:42 | riel | that might confuse it |
| 09:43 | rharper | yeah, I dont have HT on my SMP box |
| 09:43 | riel | Total of 1 processors activated (5976.88 BogoMIPS). |
| 09:43 | riel | ENABLING IO-APIC IRQs |
| 09:43 | riel | nope, it also hangs with "noht" ;) |
| 09:44 | rharper | you might try to disable HT in BIOS |
| 09:44 | riel | good idea |
| 09:45 | | * riel tries |
| 09:45 | riel | vmi |
| 09:45 | riel | still hangs ;) |
| 09:46 | rharper | ewww |
| 09:46 | rharper | more ACPI/APIC fun |
| 09:49 | | * riel tosses it over the wall to the folks with the hardware debugger |
| 09:50 | rharper | heh |
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| 09:56 | mael | riel: you have hardware debugger at red-hat? that's neat |
| 09:57 | mael | for which kind of hardware? pci buses? |
| 09:57 | mael | or more? |
| 09:58 | riel | mael: I don't |
| 09:58 | riel | I don't even think anybody at Red Hat has a hardware debugger ;) |
| 09:59 | mael | mmh |
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| 10:19 | grifferz | I'm trying to export a new lvm lv to a domain.. in dom0 I did "xm vbd-create 7 phy:mainvg/data sda3 w" which returns immediately |
| 10:19 | grifferz | but in my domain when I try to mount it.. |
| 10:20 | grifferz | mount -t ext3 /dev/sda3 /mnt/data/ |
| 10:20 | grifferz | mount: /dev/sda3 is not a valid block device |
| 10:20 | grifferz | any ideas? |
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| 10:28 | aliguori | grifferz: i don't have a working version of xm locally so I can't check, but are you sure that's the right syntax? |
| 10:29 | grifferz | I think so: |
| 10:29 | grifferz | $ xm help vbd-create | less |
| 10:29 | grifferz | vbd-create DOM UNAME DEV MODE [BACKEND] |
| 10:29 | grifferz | Create a virtual block device for a domain. |
| 10:29 | grifferz | UNAME - device to export, e.g. phy:hda2 |
| 10:29 | grifferz | DEV - device name in the domain, e.g. sda1 |
| 10:29 | grifferz | MODE - access mode: r for read, w for read-write |
| 10:29 | grifferz | BACKEND - backend driver domain |
| 10:30 | grifferz | should I have said /dev/sad3 instead? |
| 10:30 | aliguori | grifferz: it should be smart enough to tell the difference |
| 10:30 | grifferz | /dev/sda3 even |
| 10:31 | grifferz | I should point out I did make an ext3 fs on it in dom0 first obviously :) |
| 10:33 | knewt | grifferz: are you running -testing or -unstable as of no further back than 10 weeks ago? (just after 2.0.5 was tagged) |
| 10:33 | grifferz | I am running: |
| 10:33 | grifferz | ii xen 2.0.5-3 a Virtual Machine Monitor like User-Mode-Lin |
| 10:34 | grifferz | .deb fromd ebian experimental |
| 10:34 | grifferz | is that too old? |
| 10:34 | grifferz | oops, meeting time. that's probably it anyway. thanks! |
| 10:34 | knewt | yes. dynamic virtual block devices weren't fully working then for 2.6 (i believe they are now, certainly new code to that effect went in) |
| 10:35 | aliguori | knewt: just was gonna say that |
| 10:35 | aliguori | :-) |
| 10:35 | knewt | i haven't tried it out yet though |
| 10:35 | aliguori | i have.. it works well on -unstable |
| 10:35 | knewt | ok. well, it went in the same week as 2.0.5 was tagged, but after the tag |
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| 10:42 | | * knewt would guess grifferz is andy smith |
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| 16:29 | pwagland | Is this a Xen VM channel? |
| 16:29 | pwagland | Or just a random channel with the name xen? |
| 16:29 | tim | mmhmm |
| 16:29 | pwagland | Ah. Look at the topic |
| 16:29 | | * pwagland sighs |
| 16:29 | pwagland | Anyway, maybe someone can help me then :-) |
| 16:30 | pwagland | Question about Xen, just migrated everything from UML to Xen... went very smoothly, a few hiccups with my firewall, bu tthat is also now solved... |
| 16:30 | pwagland | The problem that I have is that it would appear that DMA on my HD is not enabled. |
| 16:30 | pwagland | I am getting transfer speeds of only 3MB/s instead of 30MB/s |
| 16:31 | pwagland | Is there a way around this? |
| 16:31 | pwagland | I had a look in the FAQ and docs, and googled a bit, but could not find an answer. |
| 16:32 | pwagland | a quick search on the wiki also shows no hits |
| 16:33 | hollis | there've definitely been complaints of disk performance on the list |
| 16:33 | hollis | I seem to recall the answer being to try the testing branch, but I didn't pay that much attention |
| 16:33 | pwagland | I am using 2.0-testing of a few days back |
| 16:33 | pwagland | Not unstable though. |
| 16:34 | hollis | do you have this problem in dom0 or just domU? |
| 16:35 | pwagland | dom0 |
| 16:35 | hollis | oh |
| 16:35 | pwagland | I really noticed when moving from my loop UMLS to LVM partitions. |
| 16:35 | pwagland | :-) |
| 16:35 | hollis | is this a self-built dom0 kernel? |
| 16:35 | pwagland | did a hdparm -tT and it showed the poor numbers... that match almost exactly to the poor performance :-\ |
| 16:36 | pwagland | Yes. |
| 16:36 | hollis | you can use hdparm to enable DMA, right? |
| 16:36 | pwagland | ALthough I have the IDE controllers built as modules and they do get loaded in my initrd |
| 16:36 | pwagland | no |
| 16:36 | rharper | most folks who had trouble had to check the dom0/domU kernel configs to make sure their chipset was compiled in |
| 16:37 | pwagland | As far as I know it is. |
| 16:37 | pwagland | I have a epia board with the via82cxxx module loaded |
| 16:37 | pwagland | Should hdparm work from dom0? |
| 16:37 | rharper | yes |
| 16:38 | pwagland | If so, then I know what the problem is. |
| 16:38 | pwagland | It doesn't ;-) |
| 16:38 | pwagland | Now I just need to figure out why. |
| 16:38 | pwagland | Thanks for the help... at least now I know where to look. |
| 16:38 | rharper | sure |
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| --- | Log | closed Fri May 20 00:00:24 2005 |
