--- Day changed

--- Log opened Wed Jun 04 00:00:02 2003
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01:03  * gump is back -( uni )- gone 16 hr 20 min 9 s
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03:53 < BB1> am i insane for buying a server with 1.5TB of hdd?
03:54 < BB1> i keep getting phone calls asking me "wtf are you gonna use it for" ... i say its a geek thing.. but they dont understand
03:55 < green> call from whom?
03:55 < BB1> a couple of m8's
03:55 < green> ah, I though the salespersons were stupid enough to ask such questions ;)
03:55 < BB1> heh nah, i sold it to myself at work ;)
03:56 < green> HEHE
03:56  * green waits for new server arrival today, too
03:56 < BB1> heh i have to wait till next week
03:58 < BB1> new machines rock :)
03:59 < green> yup
03:59 < green> only they create a hole in one's budget ;)
04:00 < BB1> heh well i didnt see the 3K to begin with so its no great loss lol
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04:16 < snide> hi
04:38 -!- avoozl [~jrk@vengeance.et.tudelft.nl] has joined #uml
04:38 < avoozl> hey, has anyone tried already to cap processor usage of a uml 'client' kernel?
04:40 < avoozl> i've capped the proces itself, using the cpu cap patch, to say 10%, but this seems to confuse the uml a bit
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04:41 < avoozl> under high load of the client kernel, things like these happen:
04:41 < avoozl> uml-avoozl:~# time sleep 10
04:41 < avoozl> real    1m43.258s
04:41 < avoozl> should i recalibrate some values after capping the cpu? or am i just trying the impossible :)
04:53 < avoozl> ohh i get it, what im trying to do is rather impossible
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05:34 < snide> avoozl: wow... nice the cpu-cap patch ;-)
05:37 < snide> avoozl: the time in UML is virtual. it's because the HZ isn't fixed, since the uml doesn't run on a fixed clock processor, but rather a host-load dependent vcpu (a process) ;-)
05:38 < snide> avoozl: that's a common issue that is often raised, and i don't know if anyone has already come with a nice solution ;-)
05:47 < avoozl> that's what i feared. well at least i have it nicely capped at 50%.. don't want them users to eat my precious resources :P
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08:56 < Aike> Which skas patch can i use on kernel 2.4.21 ?
08:57 < Aike> is it the one on kernels.usermodelinux.org ?
08:57 < Aike> it's just 4kb ???
08:57  * Aike is confused ;)
08:58 < avoozl> i think thats the one i used
08:58 < Aike> ok :)
08:58 < avoozl> d1521f1a51dbdec39e4f3c506722388c  /root/UML/host-skas3.patch
08:58 < avoozl> applied ok on my 2.4.21-pre5-alotofcrap
09:00 < mistik1> do you guys do any compiling inside your uml sessions?
09:01 < Aike> that's my next step, first recompiling the host kernel
09:07 < avoozl> mistik1: i built some stuff from source yes
09:46 -!- Joran [~unknown@host213-122-21-32.in-addr.btopenworld.com] has joined #uml
09:47 < Joran> hi all.
09:47 < avoozl> hi
09:48 < Joran> I'm trying to figure out something that is making me feel queasy, it's so damn complex.
09:49 < Joran> I have managed to get uml running on two different systmes, so I have a basic knowledge...
09:50 < Joran> but what I want to do is virtualise our firewall into our servers.
09:51 < Joran> The external interface will be pppoA, on a yacky closed-source pci card driver.
09:52 < Joran> but I'm trying to get my head around "patching in" the ATM device file, 'cos there doesn't seem to be one!
09:52 < avoozl> im not sure if i understand correctly
09:53 < avoozl> in my host kernel i just have a tun/tap device set up in order to communicate with the client uml kernel
09:53 < avoozl> and i do all the firewalling/forwarding from that interface
09:54 < Joran> yeah, but what I want to do is run the firewall in uml.  I don't want the external interface accessable to the host, because I want the host to be as secure as possible.
09:55 < avoozl> hmm
09:55 < Joran> i.e. if I had a serial modem, I'd pass through the ttyS1 device to the uml machine and run ppp on that.
09:55 < avoozl> you could try slirp for that right?
09:55 < avoozl> i haven't tried this myself yet
09:56 < Joran> then the ppp0 interface terminates (is created in) the uml machine, that's what I want, but there seems to be no device file for an atm connection :-(
09:57 < Joran> hmm... as I recall, slirp is very similar to ppp, it's a way of running ip over a text connection, but I don't have a text device to run it over, because I don't want ppp0 to end at the host, I want it in the uml.
09:58 < avoozl> ahhh hm that is complex
09:59 < Joran> but very secure. :-)
10:00 < Joran> and rather cool! :-)
10:00 < Joran> if it's possible :-(
10:01 < avoozl> i think you might be able to pull of some trick like put the console on fd:0 and fd:1 and then connect those on the host to your serial device, bt that really seems like some duct-tape workaround
10:01 < avoozl> there probably is a clean way as well
10:03 < Joran> well, it'd be dead simple if there was a serial device, but that's the main problem.
10:03 < Joran> atm seems to have no device file.
10:04  * Joran is about to attempt to decifer the ppp code dealing with atm
10:05 < david> Joran: slirp is similar to slip
10:05 < david> Joran: connect ssl0 to /dev/ttyS0
10:05 < david> ssl0=/dev/ttyS0
10:06 < david> then access /dev/ttyS0 in the UML and it'll connect to the one on the host
10:06 < david> you just need to chown and chmod it appropiratly to the UML user can r/w to it
10:06 < Joran> yeah, I'd love to do something exactly like that, but the problem is there's no device file with atm, you do pppd 0.38
10:07 < Joran> where 0.38 is the only reference to the atm stuff. :(
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10:08 < mistik1> wait a sec
10:09 < mistik1> making the host inaccessable to the world in general does not need all this work
10:10 < ljlane> Does SKAS host support exist for 2.5.xx?
10:10 < david> ljlane: for the host kernel, no
10:10 < ljlane> david, ah, thanks
10:10 < mistik1> guess what even if the host is running the firewall, if its configured correctly the UML or LAN for that matter can surf all they want, even run servers and the firewall can make sure nothing gets to the hosts itself from outside
10:10 < mistik1> morning david
10:11 < david> mistik1: hello
10:11 < mistik1> I'm refining a bit then I'll send to you to post, if you would like
10:11 < david> Joran: what exactly are you trying to accomplish
10:11 < Joran> mistik1 : no, I don't want the host as the firewall, I want a uml as the firewall, and the host contact the net via the firewall on the uml.
10:12 < mistik1> *shrug*, can be done just seems to much hastle imho
10:13 < Joran> david, I have a pci ATM device that I can run ppp over to establish an internet connection, but want that ppp0 net interface to be created on a uml box, to increase security that bit more.
10:13 < Joran> what is foxing me is that the atm code, to open the atm device is fd = socket(AF_ATMPVC, SOCK_DGRAM, 0);
10:17 < Joran> to run the main server as the uml and the firewall as the host just seems dead wrong to me, and makes it difficult to make secure enough (i.e. you kinda need a ful dist. to get uml going, but leaf works well as a firewall).
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11:02 < snide> Joran: u have to access the PCI card inside the uml. And that it's not so easy ( i saw a VPCI patch around, but i don't know its state. )
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11:28 < Joran> the problem is the driver is compiled for i386 not um arch, so I don't reckon it'd work with uml directly, however, the driver does appear to have a ttyCx device, albeit unused in general setup.
11:29 < Joran> The alternate option (I've just been speaking with the pppoa driver guy) is to do a repeater file (socket to file) and talk to that, but it's gonna mean a fair bit of programming.
11:30 < Joran> it seems ppp over atm is ppp for ip over a socket for atm.
11:36 < mistik1> david: please check the permissions on the new utils package on your server, we're getting 403: Forbidden
11:40 < david> mistik1: fixed - jeff has it 600
11:41 < mistik1> :)
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12:46 < caker> Has anyone had problems with ebtables/bridge-nf on SMP machines?
12:46 < caker> I've got the exact kernel on two boxes, one works (the single proccessor box) and the other doesn't (the smp box)
12:47 < caker> "works" = in my iptable rules, I see my counters, DHCP works (uml is the dhcp clients, dhcpd on host)
12:47 < caker> no error messages, just it's not doing it's thing on the SMP box
13:23 < caker> do'h tunctl isnt installed
13:37 < mistik1> hehe
13:39 < mistik1> oh this rocks
13:51 < caker> What happens if you don't proxy arp (arp -Ds $ip $HOST_ETH pub) the UML?
13:51 < caker> because everything still works
13:53 < mistik1> I've never manually done so
13:53 < mistik1> never had to
14:00 < avoozl> i've never used proxy arp
14:00 < avoozl> at least not to my knowledge :)
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15:20 < pirlouit> is there a way to get a mac address from within the UML instance running with the tap module ?
15:22 -!- Phazeman [~Phazeman@217.132.3.195] has joined #uml
15:22 < Pahan> Umm.
15:23 < Pahan> ifconfig?
15:23 < mistik1> ^hey Phazeman 
15:23 < pirlouit> hehe,  wish it was that simple
15:23 < Phazeman> heya mistik1
15:23 < Phazeman> mistik1: trying to get mdk 9.1 with umlbuilder....
15:23 < Phazeman> no success
15:23 < pirlouit> the funny part is, from the host, you can get a decent tap HW address
15:23 < Phazeman> mistik1: did you ever managed to install that ?
15:23 < mistik1> never tried
15:23 < Phazeman> ahh
15:24 < Pahan> pirlouit: Works for me.
15:24 < pirlouit> but from within th uml instances, both HW addresses are set to fe.fd.00.00.00.00
15:24 < Pahan> pahan@iptab:~$ /sbin/ifconfig
15:24 < Pahan> eth0      Link encap:Ethernet  HWaddr FE:FD:0A:00:05:02
15:24 < mistik1> imho mandrake is too dependent on GUI config tools for me to bother with the attempt
15:24 < Pahan> That's the same MAC address as in host's ARP table.
15:24 < mistik1> is eth0 a tap?
15:24 < Pahan> Yes.
15:25 < mistik1> I dont mean to bore but can you state what you're after again?
15:25 < Pahan> tap0      Link encap:Ethernet  HWaddr 00:FF:A6:A5:D5:E8
15:25 < Phazeman> i'm getting all kind of errors when trying to install mdk 9.1 with uml builder. anyone care to help ?
15:25 < pirlouit> Pahan: see, its different
15:25 < Pahan> pirlouit: Explain.
15:25 < pirlouit> Pahan: check this out
15:25 < pirlouit> host#arp -a 
15:25 < Pahan> mistik1: I believe pirlouit is getting deceived by ifconfig inside the UML machine.
15:26 < pirlouit> (192.168.0.111) at FE:FD:00:00:00:00 [ether] on tap0
15:26 < pirlouit> (192.168.0.222) at FE:FD:00:00:00:00 [ether] on tap1
15:26 < Pahan> Hah!
15:26 < pirlouit> host#ifconfig -a
15:26 < Pahan> Looks like too many zeroes.
15:26 < pirlouit> tap0      Link encap:Ethernet  HWaddr 00:FF:8B:0C:36:D0
15:26 < Pahan> What kernel versions are you running?
15:26 < pirlouit> tap1      Link encap:Ethernet  HWaddr 00:FF:81:A6:42:B0
15:27 < Pahan> Hrm. What does UML say about the MAC addresses?
15:27 < pirlouit> and from within the uml instance: eth0      Link encap:Ethernet  HWaddr FE:FD:00:00:00:00
15:27  * mistik1 dont get what he's after so cant help
15:27 < pirlouit> that from an ifconfig -a
15:28 < mistik1> Phazeman: there is a doc somewhere on installing mandrake into UML
15:28 < Pahan> pirlouit: So, what's wrong? MAC addresses match.
15:28 < pirlouit> Pahan: no
15:28 < Phazeman> mistik1: may be you remember where is it ? coz google can't find it
15:28 < pirlouit>  FE:FD:00:00:00:00 is the mac address, identical on both UML instances
15:28 < Pahan> Heh heh.
15:29 < Pahan> pirlouit: What kernel versions?
15:29 < pirlouit> oh wait, the UML eth module HW addressis prolly a function of the host's HW addres, and since it's the same for both, that's why this one is identical
15:30 < Pahan> No, you are right. It should not pick identical MAC addresses.
15:30 < pirlouit> Pahan: 2.4.20-1um
15:30 < Pahan> Heh.
15:30 < Pahan> Use 2.4.20-5um, perhaps? :)
15:30 < pirlouit> argh
15:31 < mistik1> Phazeman: matter of fact i think it was linked from umlbuilders pages
15:32 < Phazeman> mistik1: i can't find it there :( care to look for it for me ?
15:32 < Phazeman> i can't find it
15:35 < Phazeman> mistik1: all the docs and links on umlbuilder site are VERY old.... about 1 year old
15:35 < mistik1> hmmm
15:35 < pirlouit> actually, you can set the mac address on the command line
15:35 < mistik1> I found the one for rhat8-9
15:35 < Phazeman> no mandrake 9.1 ?
15:35 < mistik1> maybe that one can help some too
15:35 < mistik1> not yet
15:35 < mistik1> http://linuxhacker.ru/uml/
15:36 < Phazeman> trappist built some mdk 9.1 profile for it... and i was trying to install... but got many errors and my cpu became 100%
15:36 < Phazeman> so i had to kill the app
15:36 < mistik1> profile?
15:37 < Phazeman> profile for umlbuilder for mdk 9.1
15:37 < Phazeman> may be the profile is bad.. i dunno what to think
15:37 < mistik1> oh
15:38 < mistik1> I've not even tried uml builder yet
15:38 < mistik1> i've been going it raw
15:39 < Phazeman> uml raw (linux) crashes on me immediate with kernel panic 
15:39 < Phazeman> i dunno how to build the file system.. thats why
15:41 < Phazeman> Partition check:
15:41 < Phazeman>  ubda: unknown partition table
15:41 < Phazeman>  ubdb: unknown partition table
15:41 < Phazeman>  ubdc: unknown partition table
15:41 < Phazeman>  ubdd: unknown partition table
15:41 < Phazeman> thats the first portio of errors i'm getting
15:41 < Phazeman> anyone knows how to solve it ?
15:42 < Phazeman> then i have this : MSDOS: msdos_read_super failed, mount aborted.
15:42 < Phazeman> F
15:42 < Phazeman> then this: mount_devfs_fs(): unable to mount devfs, err: -2
15:42 < Phazeman> Warning: unable to open an initial console.
15:42 < Phazeman> anyone knows what is that ?
15:43 < Phazeman> coz i'm out of ideas
15:43 < Phazeman> anybody ?
15:46 < mistik1> linux ubd0=foo fake_ide fake_hd
15:46 < mistik1> maybe those two options can help
15:47 < mistik1> take a look at that one I pasted for redhat
15:47 < mistik1> the install process is not so much different than mdk
15:47 < mistik1> all in all
15:48 < Phazeman> k
15:48 < Phazeman> but that line is not working... it still can't mount the ubd
15:49 < Phazeman> this is the line i'm trying to start with :
15:49 < Phazeman> rw umid=gandalf1 ubd0=rootfs root=/dev/ubd0 ubd3=home_fs ubd1=usr_fs ubd2=var_fs mem=64m ubd7=installfs eth0=tuntap,,,10.0.0.140 root=/dev/ubd7 init=/uml_stage2install.py con0=pts,fd:1
15:49 < Phazeman> add linux at front of it
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15:50 < Phazeman> mistik1: it just tells me : unable to open rootfs for validation
15:51 < Phazeman> and full screen of those errors including all the other file systems i've added
15:51 < Phazeman> and at the end : VFS: Cannot open root device "ubd7" or 62:70
15:51 < Phazeman> Please append a correct "root=" boot option
15:51 < Phazeman> Kernel panic: VFS: Unable to mount root fs on 62:70
15:52 < mistik1> too many options
15:53 < mistik1> from my reading the uml kernel starts ignoring options after 6 have been found
15:53 < mistik1> ubd7 is the 7th such option in your line
15:53 < mistik1> so best would be to script those options into one
15:54 < Phazeman> even if i remove it ot eouldn't start
15:54 < Phazeman> coz i don't even have /dev/ubd0~4
15:55 < Phazeman> mistik1: do i have to have the /dev/ubd0 and such ?
15:56 < mistik1> well yes
15:57 < Phazeman> mistik1: but i don't have it..
15:57 < Phazeman> i have to create it manualy ?
15:57 < Phazeman> or what ?
15:57 < Phazeman> i don't understand :(
15:57 < mistik1> I dont know how umlbuilder deals with that
15:57 < Phazeman> do i have to create those manualy ?
15:58 < mistik1> but ubd0 in the case of a distro install I would think is a ramdisk. NO?
15:58 < Phazeman> i don't know...
15:58 < Phazeman> thats why i try to ask for help .. but only you are trying to help me
15:58 < Phazeman> and i'm appreciate that
15:59 < Phazeman> but i guess i don't understand the idea of it too much.. thats why i fail...
16:02 < mistik1> hold on a sec here
16:03 < mistik1> do you have any of those ubd?= made?
16:04 < Phazeman> no
16:04 < Phazeman> i don't 
16:04 < Phazeman> thats why i'm asking
16:04 < Phazeman> mistik1: i don't have it... how would i create it ?
16:05 < mistik1> dd
16:05 < mistik1> look on the page I post
16:05 < mistik1> you will see him making a 1024mb fs
16:05 < mistik1> just modify it
16:05 < Phazeman> 1 sec
16:05 < mistik1> or goto the usermode website a click Creating Filesystems
16:07 < Phazeman> done
16:07 < Phazeman> now what ?
16:07 < mistik1> all of them the sizes you need em?
16:08 < Phazeman> ohh... i have to create few.. ok 1 sec.. will do that in sec
16:08 < mistik1> I dont know for example where /uml_stage2install.py resides
16:09 < Phazeman> it's done
16:09 < mistik1> I think that may be from umlbuilder's installfs
16:09 < Phazeman> i have all the files are done
16:09 < Phazeman> oh.. what is that script ?
16:09 < mistik1> it replace the default init I suppose
16:09 < Phazeman> i don't have that script on my machine
16:10 < Phazeman> locate uml_stage2install.py shows nothing
16:10 < mistik1> no no
16:10 < mistik1> It would be in the rootfs
16:11 < Phazeman> what do you mean ?
16:11 < Phazeman> man... i'm sooo confused.....
16:11 < mistik1> here is what I'm assuming
16:11 < mistik1> uml_builder has some prebuilt rootfs for installing each distro
16:11 < Phazeman> yeah.. may be...
16:12 < Phazeman> but aparently it didn't build the /dev/ubdX fiels
16:12 < Phazeman> files*
16:12 < mistik1> inside this filesystem resides the mandrake installers and some modified scripts
16:13 < mistik1> you dont need any /dev/ubd?
16:13 < Phazeman> i dont' say that i don't need it.. i say that i currently don't have it
16:13 < Phazeman> and i ask how would i create them ?
16:14 < mistik1> these are in the uml session not on your host
16:14 < Phazeman> ohhh
16:14 < Phazeman> k
16:14 < Phazeman> ok.. now i have 4 files with sizes i need ...
16:14 < Phazeman> how would i start the uml ?
16:14 < Phazeman> i want to try...
16:14 < Phazeman> may be this time it works..
16:14 < Phazeman> i dunno anymore :(
16:15 < mistik1> now lets find the rootfs that umlbuilder supplies
16:15 < Phazeman> ok
16:15 < mistik1> it was ub that output that command line right?
16:16 < Phazeman> what command line ?
16:16 < mistik1> brb, need a sandwich or something
16:16 < mistik1> rw umid=gandalf1 ubd0=rootfs root=/dev/ubd0 ubd3=home_fs ubd1=usr_fs ubd2=var_fs mem=64m 
16:16 < mistik1>                          ubd7=installfs eth0=tuntap,,,10.0.0.140 root=/dev/ubd7 init=/uml_stage2install.py con0=pts,fd:1
16:16 < mistik1> that one
16:17 < Phazeman> no
16:17 < Phazeman> it was a umlbuilder
16:18 < Phazeman> k
16:24 < mistik1> hmmm
16:24 < Phazeman> thats the command it gave me in the gui when it tried to mount it
16:24 < mistik1> Phazeman: now that you have your fs built try to run UB again and report
16:25 < Phazeman> ub ?
16:25 < mistik1> umlbuilder
16:25 < Phazeman> but umlbuilder knows to create the filesystem...
16:25 < Phazeman> just it won't be able to mount that root_fs
16:26 < mistik1> hmmm
16:27 < Phazeman> man.. this is so frustrating.. i reall need that uml working... coz i have to build some things.. and i wanted to try that out long time ago.. and i do't want to give up on that just like that
16:27 < Phazeman> so many typo's .....
16:27 < Phazeman> please forgive me
16:27 < Phazeman> wanna try ssh in here ?
16:28 < Phazeman> may be i'm doing something really wrong.....
16:28 < mistik1> maybe when I get back
16:28 < Phazeman> k
16:28 < Phazeman> thanks mistik1 .. i'll wait for you...
16:28 < Phazeman> you are going to eat ?
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16:58 < mistik1> Phazeman: what's connection speed?
16:58 < Phazeman> upstream = ~11K down speed ~67K
16:58 < Phazeman> actually.. i think i've got some progress
16:59 < Phazeman> i've managed to start it up with the files i've donw with dd
16:59 < Phazeman> BUT
16:59 < mistik1> hmm may be easier to fire up a vnc session we can both jack into
16:59 < Phazeman> k
16:59 < Phazeman> i don't have VNC installed
16:59 < mistik1> why?
16:59 < Phazeman> no need..
16:59 < mistik1> man why?
16:59 < mistik1> :)
16:59 < Phazeman> coz i'm fired from work and i'm at home most of the time
16:59 < Phazeman> ok.. wanna install the vnc with me ?
16:59 < Phazeman> i know you good at it :)
17:00 < Phazeman> you helped me once already.. but that was lots of time ago
17:00 < mistik1> I dont wanna get too side tracked from what i'm doing
17:00 < mistik1> urmpi tightvnc-server
17:00 < mistik1> or whatever the hell they call it in mdk
17:01 < Phazeman> k
17:01 < Phazeman> installing now
17:01 < mistik1> I must tell you, mdk is starting to get on my last nerve
17:01 < Phazeman> ohhhh
17:01 < Phazeman> you too
17:03 < Phazeman> ok installex
17:03 < mistik1> I'm just sick of the idiotic little bugs that crop up
17:03 < Phazeman> installed*
17:03 < Phazeman> the server installed...
17:03 < Phazeman> now what ?
17:03 < mistik1> and that php-ini package really did it to me
17:03 < Phazeman> ahhhhh
17:03 < Phazeman> ahh.. now i remember you told me that :)
17:03 < mistik1> make an account and fire the bugger up
17:04 < mistik1> fucking lame shit
17:04 < Phazeman> how do i make an account ?
17:04 < mistik1> are you kidding?
17:04 < mistik1> just make a user account fer me
17:04 < Phazeman> ahh account for you you mean ?
17:04 < Phazeman> k.. didn't understand what you are meaning :)
17:04 < mistik1> heh
17:05 < Phazeman> k.. i'm pmsging you the details
17:06 < Phazeman> ohh
17:06 < Phazeman> i have to open a port
17:06 < Phazeman> what port is it ?
17:06 < Phazeman> 2501 ?
17:06 < mistik1> 5901
17:06 < Phazeman> k
17:06 < mistik1> you need to open a port for ssh first so I can come over and setup my shiznit
17:07 < Phazeman> you have it open
17:07 < Phazeman> look at your pmsg
17:08 < Phazeman> you in ?
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17:28 < cb> Hmm, I've checked the FAQ and docs, and I don't *think* there's an answer there, so here goes.  I'm running 2.4.20-5um iwth Debian unstable, no skas patch (yet).  When I start UML everything goes well until init tries to open a console (the toms root_fs and the rh-7.2-server.pristine).  No matter what I specify for con: or con[0-6]:  it hangs.  
17:29 < cb> I fully admit I'm a newbie, and am willing to be pointed at documentation, if I've missed it! :)
17:29 < caker> did you compile your own uml kernel?
17:30 < cb> No, at the moment I'm using the user-mode-linux package from Debian unstable.
17:30 < caker> what does the uml say about console on boot?
17:32 < caker> have you tried: con=null con0=fd:0,fd:1  
17:32 < cb> If I run without specifying anything for con:   kernel comes up to init runlevel 5, "c1" respawning too fast, no more processes at this level...   if I come up as init=/bin/sh I can get a prompt, it just seems unhappy with getty
17:33 < caker> edit inittab and add a getty for tty0
17:33 < caker> and edit /etc/securetty and add tty0
17:34 < caker> also, might want to use devfs=nomount on boot
17:35 < caker> cb: try linux con=null con0=fd:0,fd:1 devfs=nomount ...
17:35 < caker> that will probably fix it
17:36 < cb> just trying....
17:38 < ljlane> I just downloaded root_fs_toms1.7.205.bz2 and it works out of the box on unstable: bunzip2 root_fs_toms1.7.205.bz2; ln -s root_fs_toms1.7.205 root_fs; linux devfs=mount
17:39 < cb> AH, that's it...  devfs=mount  get's me going... thanks!!
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19:17 < Phazeman> david: are you here ?
19:23 < david> Phazeman: yes
19:23 < Phazeman> david: i was asked to report you about a broken download link in usermodelinux.org
19:24 < Phazeman> david: http://mirror.usermodelinux.org/uml/uml-patch-2.4.20-5.bz2
19:24 < Phazeman> this one
19:24 < mistik1> 403 again david
19:29 -!- Phazeman is now known as Phazeman|AFK
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21:11 < david> fixed that
23:29 < caker> david: with your bridge setup, do you arp the hosts IP?
23:30 < david> no
23:30 < david> you don't use proxy arp at all 
23:30 < caker> something is going wrong then
23:30 < caker> ... the UMLs IPs work for a while, but then after a bit they stop responding
23:31 < caker> if I ping from them, their IP starts working again
23:31 < caker> do you proxy arp the UMLs?
23:31 < david> no
23:32 < david> with a bridge, ARP works like a LAN
23:32 < david> caker: make sure you have STP disabled
23:32 < caker> brctl show shows it off/no
23:32 < david> ok
23:45 < caker> is promisc necessary on the tap devices?
23:45 < david> yes
23:45 < caker> Would that cause my problelm?
23:45 < caker> Where it works for a long time, days even?
23:46 < david> maybe
23:47 < david> lack of promisc would break arping
23:47 < caker> ahhh
23:47 < caker> that's it then
23:50 < david> it'd probably work until the arp cache expires
23:50 < caker> Yes, and due to activity it probably kept it refreshed
23:50 < caker> everything's promisc now (including the hosts's ethX device) so we'll see
23:50 < david> nod
23:50 < david> every device in a bridge, apart from the bridge device itself
23:50 < david> must be promisc
23:51 < caker> Right .. I don't understand why, but yes.
23:51 < caker> i guess to act like a virtual hub they all have to listen on the same "wire"
23:51 < david> promisc is requires so that they forward frames with unknown macs
23:51 < Lathiat> caker; it is because, a bridge passes _ALL_ traffic between _ALL_ devices of the bridge.. no matter what its destination.
23:51 < david> caker: pretty much, but like a switch :-)
23:51 < david> Lathiat: that is not correct
23:52 < caker> I tried to do some intercepting inside a UML and it didn't seem to see other's traffic.
23:52 < Lathiat> caker: without promisc, the net card filters out your ip (well usually)
23:52 < Lathiat> david; its not?
23:52 < david> Lathiat: it will only forward packets to a port if it is destened to use that port
23:52 < david> it 'learns' what MACs are on which port
23:52 < Lathiat> oh its smart?
23:52 < Lathiat> cute
23:52 < david> then forwards packets to the appropriate port (apaprt form broadcasts)
23:52 < Lathiat> well either way, it needs to see each MAC to learn it
23:52 < david> Lathiat: yes, it's a SAF switch
23:52 < david> Lathiat: right, hence why broadcasts (e.g. arps) go to all ports
23:52 < david> like a regular switch
23:53 < caker> ok that makes sense
23:53 < Lathiat> ahh
23:55 < david> :-)
23:56 < caker> will broadcasts be broadcasted out eth0 on the host to my real switch?
23:56 < caker> I had to set up a DHCP server on each host machine in order for UMLs to acquire leases
23:56 < david> caker: of course
23:56 < david> caker: it works like a cascaded switc
23:56 < david> h
23:56 < caker> ok
23:57 < caker> piece of cake
23:57 < caker> david: thanks
23:58 < david> np
--- Log closed Thu Jun 05 00:00:00 2003