TheGrebs.com:IRC Logs:#xen:2006:02:26

---	Log	opened Sun Feb 26 00:00:58 2006
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07:13	<michal`>	it's me again
07:13	<michal`>	i know you are happy
07:14	<michal`>	but i have bad news - still the same problem, after trying dozen of configurations, kernels, whatnot
07:14	<michal`>	anybody here running 2.6.16-rc4 xen or everybody on 2.6.12 ?
07:14	<michal`>	(sorry, my hardhare is asking for .16)
07:14	<michal`>	*hardware even
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12:24	<Suit>	Hi, I hope someone can help me, since I am so near to getting this set up as I need it to.
12:24	<Suit>	I am using a brouter configuration.
12:24	<Suit>	In this there is no physical if attached to the bridge
12:24	<Suit>	But the bridge itself has an IP.
12:25	<Suit>	I have made a script to create the bridge and the standard vif-bridge script attaches domU's vif to it
12:25	<Suit>	Traffic from the domU is now masqueraded etc.
12:25	<Suit>	I can reach the whole world etc.
12:26	<Suit>	I can ping the bridge from the network
12:26	<Suit>	But get no reply from the domU
12:26	<Suit>	when I run tcpdump on eth0 on the domU I can see the incoming icmp packages.
12:27	<Suit>	Someone have a hint on what might be going on?
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14:57	<hensema>	whoops
14:57	<hensema>	hard lockup in domain0 when running iptraf
14:58	<iamlost>	:)
14:58	<riel>	mmm, I'll have to try that
14:59	[~]	hensema tried 'general interface statistics'
15:00	[~]	riel has a serial console watching the system
15:01	[~]	hensema is experimenting with iscsi and has setup an iscsi target in domain0 and an initiator in domU
15:01	[~]	riel starts a yum upgrade on the guest system
15:03	<riel>	I'm not using iscsi though ;)
15:04	<hensema>	it's suprisingly easy to setup
15:04	<hensema>	the performance is quite poor though
15:05	<hensema>	but not suprisingly as it probably takes a _lot_ of context switches to run both initiator and target on the same machine ;-)
15:08	<riel>	well, normal block device IO also needs the same context switches I suspect
15:11	<hensema>	but in this casse also switches between domains are needed
15:11	<hensema>	something like 20,000 switches/sec
15:11	<hensema>	or more
15:13	<hensema>	in a production setup the iscsi target will be on another physical machine, so it doesn't really matter ;-)
15:15	<riel>	no hang here
15:15	<riel>	yum just downloaded 470 packages
15:18	<hensema>	did you run iptraf in domain0?
15:18	<riel>	yes, it's still running
15:19	<riel>	# uname -r
15:19	<riel>	2.6.15-1.1959_FC5.hypervisor
15:19	<hensema>	I got an instant lockup on startup ;-)
15:19	<hensema>	my kernel's a bit old though
15:20	<hensema>	2.6.13
15:20	<riel>	the Xen driver code is pretty horrid
15:20	<riel>	I'm not surprised it's causing problems
15:22	<Suit>	hensema: suse?
15:23	<hensema>	yes, stock suse 10.0 (with updates)
15:24	<Suit>	hmm lemme try, you will know soon enough
15:24	[~]	Suit runs a few sync's first
15:24	<hensema>	we'll know the answer in 480 sec :P
15:24	<riel>	"don't ship software in a product before it is ready for production use" ;)
15:25	<Suit>	hensema: I am still here :)
15:25	<hensema>	cool :)
15:26	<Suit>	At least something is working :)
15:26	<Suit>	it is so silly
15:27	<Suit>	vifX.0 on the bridge without IP, I can see the whole world
15:27	<Suit>	But can't connect to it
15:27	<Suit>	When I give it an IP, I can connect
15:27	<Suit>	but then the kernel blocks outgoing connections because of martians
15:27	<riel>	ummm, the vif isn't supposed to have an ip!
15:27	<riel>	just like a port on a switch does not have an ip
15:28	<Suit>	riel: agreed
15:28	<Suit>	riel: but somehow the domU sees the packages (with tcpdump I can see them) but it jus does not see them as being for it, and won't reply ping etc
15:29	<Suit>	when I give an ip to the vif then it will....
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15:35	<iamlost>	wb aliguori
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16:05	<aliguori>	iamlost, howdy
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19:54	<hikenboot>	when issuing for i in console null zero ; do sudo /sbin/MAKEDEV -v -d /fedora/dev -x $i ; done...I get /sbin/MAKEDEV: don't know how to make device "/fedora/dev"...../fedora is the mount point for a loop image file for xen
19:54	<hikenboot>	any ideas whats causing this?
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---	Log	closed Mon Feb 27 00:00:52 2006