IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 11 January 2020 (all times are UTC)
| 00:35 | <dgroos> Well, I tried with just the district dns and it worked for a few chrome searches on google, but then reappeared. Then I set it to google's, 8.8.8.8 server and made some tests and it hasn't failed, yet, but will have to wait for Monday's stress-tests!
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| 05:20 | <Guest7409> Hi all, Now I have one trouble about LTSP. Can I ask about that?
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| 05:23 | The prob. is that Surface Go would not boot up with LTSP.
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| 05:24 | <vagrantc> ask away, wait a while for a response
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| 05:25 | no idea what surface go is...
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| 05:25 | <Guest7409> The half of booting, the messages as follow appear, "ipconfig: no devices to configure .... no search or nameservers found in /run/net-.conf /run/net-*.conf /run/net6-*.conf connect: Network is unreachable NFS over TCP not available"
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| 05:26 | Oh, thanks for reply.
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| 05:29 | Perhaps, this prob. is related to UEFI. Now PCs which have legacy bios can boot up and be used.
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| 05:31 | <vagrantc> old ltsp didn't have support for EFI, but recent versions of LTSP do
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| 05:31 | but that could also just be a misconfigured DHCP server...
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| 05:33 | also if you somehow got a kernel version mismatch between what was running on the system and what was booted over the network ... but that seems odd that it would get the wrong initrd+kernel
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| 05:33 | <Guest7409> Yes, I installed and used recent version.
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| 05:33 | <vagrantc> i'd expect problems later
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| 05:33 | Guest7409: ltsp 19.x?
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| 05:34 | <Guest7409> Yes.
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| 05:36 | Yesterday, I installed ubuntu desktop 18.04 and installed ltsp19 on that machine.
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| 05:37 | I have not mixed old and new
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| 05:45 | <vagrantc> when you say "The half of booting" ... do you mean it sometimes works fine and sometimes fails with that error?
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| 05:48 | <Guest7409> Sorry for misleading. Surface Go always stops and ubuntu never start.
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| 05:48 | I mean,
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| 05:50 | I can confirm the success to download NBD files, can see the screen to select image which color of background is blue, and
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| 05:51 | can see start boot sequence. But it stops with the message "ipconfig: no device to configure.
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| 05:51 | "
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| 05:52 | I said explicitly, That message appears repeatedly and system seems to try again and again and ...
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| 06:38 | <ken2> I am ken guest 74xx, network disconnected and re-connected
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| 06:38 | <alkisg> ken2: hi, did you read my reply on github?
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| 06:39 | <ken2> Oh! I donot do that! Thanks and I will read your reply! Thanks.
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| 06:41 | <alkisg> I.e. the surface ethernet driver is probably missing from the initramfs
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| 06:42 | <ken2> I read. So i will try to make live usb and get output from now.
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| 06:42 | <alkisg> Do you have a shell in the initramfs?
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| 06:42 | If so, run: ip a
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| 06:42 | If you don't see an ethernet card name, that's the issue
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| 07:29 | <ken3> really sorry. my network is unstable.
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| 07:29 | <alkisg> ken3, if surface doesn't have linux ethernet drivers, then it can't be used as an ltsp client
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| 07:29 | <ken3> Thanks. Now I wrote the results on github. As the results, it seems not to recognize ehternet. I use microsoft usb-typec ethernet/usb adapter
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| 07:30 | <alkisg> Do you see anything if you type `ip a`?
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| 07:30 | lspci might not be suitable if your adapter is usb
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| 07:30 | <ken3> Oh, So i try to ip a. pls wait.
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| 07:43 | <vagrantc> lsusb might
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| 07:45 | <ken4> Hi, I got the results by ip a
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| 07:46 | <alkisg> Do you see a name there, like ethX or similar?
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| 07:46 | <ken4> 2: enx606d3c3d93ec: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 1000 link/ether ##:##:##:##:##:## brd ff:ff:ff:ff:ff:ff inet 192.168.0.69/16 brd 192.168.255.255 scope global dynamic noprefixroute enx606d3c3d93ec valid_lft 604559sec preferred_lft 604559sec inet6 fe80::2967:48:8658:6294/64
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| 07:46 | scope link noprefixroute valid_lft forever preferred_lft forever3: wlp1s0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether ##:##:##:##:##:## brd ff:ff:ff:ff:ff:ff
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| 07:47 | <alkisg> Nice, that means that you only need to put the modules in the initramfs, and it'll wor
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| 07:47 | *work
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| 07:47 | Which module creates enx606d3c3d93ec ?
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| 07:47 | <ken4> Sorry, I cannot figure out.
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| 07:48 | <vagrantc> usb ethernet adapters typically need several modules to work
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| 07:49 | <alkisg> vagrantc: his lsmod is at: https://github.com/ltsp/community/issues/82#issuecomment-573290833
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| 07:49 | ken4, one way to find out is:
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| 07:49 | You boot your pc without the adapter
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| 07:49 | Then you run `lsmod`, and keep it in a file
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| 07:49 | <vagrantc> lsusb --tree can be helpful
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| 07:49 | <alkisg> Then you plug in the adapter, run lsmod again, and compare
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| 07:50 | The difference will be the necessary modules
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| 07:50 | <vagrantc> but alkisg's suggestion will get all the needed modules :)
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| 07:50 | <ken4> Ok! I tr ity
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| 07:50 | <alkisg> When you find the modules, you then need to put them in this file on the server: /etc/initramfs-tools/modules
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| 07:51 | Then you run `sudo update-initramfs -u; sudo ltsp initrd` on the server, and reboot the client
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| 07:51 | <ken4> Ok! I got it
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| 07:51 | <alkisg> ken4, if you can't find the modules, you can also put *all* of them :D - the ones that are shown in your comment
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| 07:52 | <ken4> before booting, I did lsusb --tree so put res here
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| 07:53 | ubuntu@ubuntu:~$ lsusb --tree/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/6p, 5000M |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/2p, 5000M |__ Port 1: Dev 3, If 0, Class=Communications, Driver=cdc_ether, 5000M |__ Port 1: Dev 3, If 1, Class=CDC Data, Driver=cdc_ether, 5000M/: Bus 01.Port 1: Dev 1, Class=root_hub,
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| 07:53 | Driver=xhci_hcd/12p, 480M |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/2p, 480M |__ Port 2: Dev 4, If 0, Class=Mass Storage, Driver=usb-storage, 480M |__ Port 5: Dev 3, If 1, Class=Wireless, Driver=btusb, 12M |__ Port 5: Dev 3, If 0, Class=Wireless, Driver=btusb, 12M |__ Port 7: Dev 5, If 0, Class=Human Interface Device,
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| 07:53 | Driver=usbhid, 12M |__ Port 7: Dev 5, If 1, Class=Human Interface Device, Driver=usbhid, 12M |__ Port 7: Dev 5, If 2, Class=Human Interface Device, Driver=usbhid, 12M |__ Port 7: Dev 5, If 3, Class=Human Interface Device, Driver=usbhid, 12Mubuntu@ubuntu:~$
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| 07:53 | So I will reboot.
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| 07:53 | <alkisg> !paste
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| 07:53 | <ltspbot> paste: To avoid channel flooding, please upload text longer than 3 lines to http://paste.debian.net. Don't forget to paste the resulting URL here.
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| 07:54 | <alkisg> Or you can do this: lsusb --tree | nc termbin.com 9999
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| 07:54 | This automatically uploads the result and generates a URL
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| 07:55 | <vagrantc> cdc_ether ... curious.
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| 07:55 | that's often used by single-board-computers to emulate an ethernet device via usb-otg
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| 07:55 | <ken4> Ok, thans a lot.
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| 07:55 | <alkisg> It's worth a try, to put it on the server /etc/initramfs-tools/modules ...
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| 07:56 | <ken4> =D Once I reboot
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| 07:56 | <alkisg> Hrm I don't see that module in his lsmod output
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| 07:57 | Maybe he had used wireless when running lsmod
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| 08:35 | <ken5> Thanks about the problem on surface go. Now I cannot solve...
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| 08:36 | Perhaps the module name of usb type-c ethernet/usb adaptor which I use is 'cdc_ether'.
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| 08:37 | I added it to '/etc/initramfs-tools/modules' and ltsp initrd, but same problem occur.
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| 08:38 | Now I try to ltsp image / and ltsp ipxe, nfs and initrd(I cannot judge whether 'ltsp image /' is needed or not)
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| 08:43 | <alkisg> Did you run `update-initramfs -u` before?
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| 08:45 | <ken5> Yes, I did that command. Do'nt I need `ltsp image /'?
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| 09:02 | <alkisg> You need both of them, in order
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| 09:11 | <ken5> Oh, just I did only update-initramfs -u and ltsp initrd... Now I am doing ltsp image / !
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| 09:27 | <alkisg> Sory, I misread, you don't need ltsp image, only update-initramfs and ltsp initrd, like I wrote before
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| 09:37 | <ken5> YES! Thanks! Ubuntu works on surface go with usb type-c ethernet/usb adapter.
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| 09:40 | Really thanks! I did as follow. 1) I added module list by getting lsmod to /etc/initramfs-tool/modules, and added 'cdc_ether' to that file. (because the list did not have the module).
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| 09:40 | 2) update-initramfs -u
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| 09:42 | 3) ltsp image /; ltsp ipxe; ltsp nfs; ltsp initrd; (as alkisg saying, perhaps only ltsp initrd is needed, but I didnot comfirmed)
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| 09:42 | I used microsoft usb type-c ethernet/usb adapter.
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| 09:42 | The infomation is over. I wanna say thank for all again.
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