TheGrebs.com:IRC Logs:#uml:2007:03:15

---	Log	opened Thu Mar 15 00:00:54 2007
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07:22	<mjf>	Hi all :)
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09:10	<extazy_>	hi
09:10	<extazy_>	in guest OS on UML there are all devices that real OS uses? like local apic, hpet, acpi and others?
09:10	<peterz>	nope
09:11	<extazy_>	they are virtualized?
09:11	<peterz>	uhm, also no
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09:13	<extazy_>	and what happens?
09:13	[~]	peterz fails to understand the question
09:15	<extazy_>	I wanna debug steb by step the time_init for check if some vars are set, and i've thought UML
09:16	<peterz>	uml doesn't have access to hardware
09:16	<peterz>	try qemu with the build in gdbserver
09:18	<extazy_>	ok i try
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12:16	<extazy_>	there isn't a version of uml for x86_64 ?
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12:27	<peterz>	extazy_: yeah, uml work son x86_64
12:30	<extazy_>	i've found only 2.6.8 and it doesn't have Makefile-os-x86_64
12:32	<peterz>	just build from the sources
12:33	<peterz>	if you do: make ARCH=um on a x86_64 host, you'll end up with a x86_64 uml
12:33	<extazy_>	yes, but make linux gives me an error
12:33	<extazy_>	yes
12:33	<extazy_>	make linux ARCH=um
12:33	<extazy_>	and doesn't compile
12:34	<peterz>	which version?
12:34	<peterz>	do use something released this decade :-)
12:36	<extazy_>	uml-patch-x86-64-2.6.4.bz2
12:36	<peterz>	just download 2.6.20 sources
12:36	<peterz>	no need to patch
12:37	<extazy_>	ah!
12:37	<extazy_>	well i download linux-2.6.20 then!
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13:01	<jdike>	Hi guys
13:03	<caker>	hello
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13:48	<jdike>	swapped in my brand-new fast desktop
13:48	<the_hydra>	wow!
13:48	<the_hydra>	so, what do you get now?
13:49	<jdike>	P3 -> Core 2
13:49	<jdike>	white backgrounds are flickering at me
13:49	<jdike>	same display
13:49	<the_hydra>	oh...I thought you already have p4
13:50	<the_hydra>	so, congratulations...I hope you can be more productive
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13:52	[~]	the_hydra compares his own productivity level with jeff when he used P3...
13:52	[~]	the_hydra the result is....shame on me
13:54	<jdike>	actually, my real work was done on my laptop
13:55	<jdike>	a decent box
13:55	<the_hydra>	let me guess, core 2 duo too?
13:55	<the_hydra>	or , at least pentium M somewhere around 1.7 GHz?
13:55	<jdike>	the second
13:56	<jdike>	1.6, I think
13:56	<the_hydra>	need to jump into #storage..brb
14:08	<the_hydra>	back
14:08	<the_hydra>	jdike: jeff, are you familiar with tools such as reaim or bonnie++?
14:08	<jdike>	nope
14:32	<extazy_>	can't I print in uml running on gdb the crX regs?
14:32	<the_hydra>	cr3, for instance?
14:32	<extazy_>	yes
14:33	<the_hydra>	i am not sure, it might need supervisor privilege... have you tried simply doing mov cr3, something and then print?
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14:34	<extazy_>	i can make it with a lkm
14:34	<extazy_>	i wanna it in gdb :)
14:34	<jdike>	in other words, gdb doesn't show you the cr registers?
14:34	<extazy_>	yep
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14:45	<caker>	jdike: woohoo -- VT support on your desktop now :)
14:45	<jdike>	yup
14:45	<caker>	are you a laptop person, also?
14:45	<jdike>	and 20x more memory
14:45	[~]	caker <3's his MacBook Pro
14:45	<caker>	haha
14:45	<jdike>	my laptop is (or maybe was) my work box
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14:45	<jdike>	16x actually
14:46	<extazy_>	damn uml doesn't support PATA ?
14:46	<jdike>	you would expect it to?
14:47	<extazy_>	i select it in menuconfig
14:47	<jdike>	where oh where is the login screen splash image?
14:47	<extazy_>	after make linux ARCH=m
14:47	<extazy_>	um*
14:47	<extazy_>	and the pata driver is deleted from config
14:47	<jdike>	what would that mean?
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14:48	<jdike>	that UML can directly access hardware behind the back of the host kernel?
14:52	<extazy_>	hmmm.. the guest kernel goes in kernel panic VFS unable to mount root...
14:54	<peterz>	extazy_: please, use qemu for this, UML does not have hardware access, not does it emulate hardware, it emulates a kernel.
14:54	<extazy_>	i see :(
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14:57	<the_hydra>	plenty of choice I guess, qemu, bochs, vbox and so on
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15:13	<the_hydra>	gtg all
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18:54	<Spanska>	Is there a way to bridge a virtual interface in a guest with a host's interface? I tried so with brctl but it doesn't seem to work :\
19:03	<caker>	Yes
19:03	<Spanska>	Even without an IP?
19:03	<caker>	yeah, one sec
19:04	<caker>	http://edeca.net/articles/bridging/
19:06	<Spanska>	thanks
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19:19	<Spanska>	it definitely doesn't work as I thought
19:19	<Spanska>	I don't see packets not destined to my host
19:22	<Spanska>	actually, I only see a few, that's even more problematic
19:23	<Spanska>	How come I don't see them?
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19:35	<Spanska>	When I use "eth1=pcap,eth1,promisc" I don't see any interface at all. What could be the problem?
19:37	<netcrusher88>	my distro no longer provides user.h and page.h in the linux headers, and UML won't compile - is there a workaround for this?
19:37	<netcrusher88>	Spanska: does doing "ifconfig eth1 up" from inside the UML do anything?
19:38	<Spanska>	it spits an error telling that interface doesn't exist
19:39	<Spanska>	wow, now I cannot boot anymore, the partition looks corrupted.. NICE
19:39	<Spanska>	I guess I'll keep working directly on my kernel and keep freezing my machine...
19:41	<Spanska>	netcrusher88: any ideas?
19:41	<Spanska>	root@darkstar:~# ifconfig eth1 up
19:41	<Spanska>	eth1: ERROR while getting interface flags: No such device
19:41	<Spanska>	root@darkstar:~# ifconfig eth0 up
19:41	<Spanska>	eth0: ERROR while getting interface flags: No such device
19:42	<netcrusher88>	Spanska: no idea, unfortunately
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---	Log	closed Fri Mar 16 00:00:43 2007