*BUMP*
Hi All,
I am running Ubuntu 8.04 LTS (with Xen 3.2.rc1) I want to be able to
scale beyond 70-80 VMs on a production system. I already downloaded the
latest kernel (2.6.24-24 version) and changed "debian/ binary-
custom.d/xen/patchset/001-xen-base.patch" to 1024 instead of 256 (there
was only one place that this change was required i believe). I rebuilt
my kernel, but I am still running into the issue that once I have used
about 230 IRQ the next domU dont start.
I keep getting the following message in the any domU I start up after
this.(I have 51 domUs running right now, each has two network interfaces
and uses a total of 4 IRQs it seems).
[ 5.338606] XENBUS: Waiting for devices to initialise:
295s...290s...285s...280s...275s...270s...265s...260s...255s...250s...245s...240s...235s...230s...225s...220s...215s...210s...205s...200s...195s...190s...185s...180s...175s...170s...165s...160s...155s...150s...145s...140s...135s...130s...125s...120s...115s...110s...105s...100s...95s...90s...85s...80s...75s...70s...65s...60s...55s...50s...45s...40s...35s...30s...25s...20s...15s...10s...5s...0s...
[ 300.317849] XENBUS: Timeout connecting to device: device/vbd/769 (local
state 3, remote state 2)
[ 300.317854] XENBUS: Device not ready: device/vbd/769
[ 300.317911] XENBUS: Timeout connecting to device: device/vbd/770 (local
state 3, remote state 2)
[ 300.317914] XENBUS: Device not ready: device/vbd/770
[ 300.317916] XENBUS: Device with no driver: device/console/0
[ 300.317930] Magic number: 1:252:3141
[ 300.318088] Freeing unused kernel memory: 212k freed
check root= bootarg cat /proc/cmdline
or missing modules, devices: cat /proc/modules ls /dev
ALERT! /dev/hda2 does not exist. Dropping to a shell!
BusyBox v1.1.3 (Debian 1:1.1.3-5ubuntu12) Built-in shell (ash)
Enter 'help' for a list of built-in commands.
(initramfs)
>> grep Dynamic-irq /proc/interrupts | wc -l returns - 230
any help or advice is appreciated very much...
--
No network connectivity for new domU's (No available IRQ to bind to: increase
NR_DYNIRQS)
https://bugs.launchpad.net/bugs/341846
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