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在 2020/12/19 上午1:29, gevisz 写道: |
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> I am currently installing a new Gentoo system |
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> on a computer that is run by a Gentoo system |
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> that has not been updated since January 2019. |
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> |
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> Initially, I did so by chrooting to a newly formatted |
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> disk partition. My intention was to build everything |
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> in the chrooted environment and only then start |
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> to work in the new Gentoo system. |
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> |
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> However, when after installing Grub I rebooted into |
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> the new Gentoo system to find out if it works and |
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> rebooted again into the old Gentoo system to continue |
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> compilation in the chroot environment, I found out |
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> that my computer does not have a working ethernet |
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> connection to my home router. The "ip addr" command |
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> showed that my ethernet interface is down. |
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> |
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> I tried "ip link set <eth0> up" and "ifconfig <eth0> up" |
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> commands, where <eth0> substitutes the correct, |
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> "predictable," name of my ethernet interface but it |
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> had not helped. |
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> |
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> Initially, I thought that something was wrong with my |
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> hardware, but when I rebooted into my new Gentoo |
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> system, the ethernet interface started to work again. |
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> Then, I rebooted back to the old system, and |
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> the ethernet interface stopped working again. |
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> |
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> It is very strange because I am sure that I have not |
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> changed anything on my old Gentoo system except |
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> for installing a new Grub onto the system disk. |
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> |
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> So, I have tried to reinstall (the old) Grub from |
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> my old system, but it has not helped either. |
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> |
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> Finally, I decided that it would be easier to complete |
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> installation of the new Gentoo system than to find out |
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> what is wrong with the old Gentoo system ethernet |
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> connection. So, I compiled xorg-x11, awesome, gvim, |
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> xfce4-terminal and are currently compiling firefox. |
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> |
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> Hopefully, tomorrow I will already have my new Gentoo |
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> system working. |
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> |
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> However, I am still wondering why the ethernet interface |
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> stopped working on my old Gentoo system. |
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> |
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> As, I have already said, I am pretty sure that I have not |
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> changed anything in its settings. Moreover, I have looked |
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> through the entire /etc directory of my old Gentoo system |
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> for config files that were modified during the installation |
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> of the new Gentoo system (suspecting that instead of the |
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> chrooted environment I put an installation command into |
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> the su terminal of my old Gentoo system or mistakenly |
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> edited a configuration file of my old Gentoo system) but |
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> found no config file that was modified during this period of time. |
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> |
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> So, I am not in a desperate need for help, but just interested |
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> to find out the reason for such a strange behaviour of the |
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> ethernet interface. |
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> |
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> P.S. I have read in the Gentoo Network management wiki |
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> that the connman, netifrc, dhcpcd, networkmanager, and |
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> openrc should not be run at the same time because it could |
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> lead to "unpredictable results" and checked if it is not |
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> the case on my old Gentoo system. No, on my old Gentoo |
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> system installed is only the openrc with the netifrc use flag |
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> and netifrc (which, as I guess, leads to only netifrc being used). |
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> But, anyway, it has been worked so for years and only |
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> now suddenly stopped. |
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That is interesting. Something must been changed here. |
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Do you use some partitions for both gentoo systems? |
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Not the root, just like boot ESP partition or home. |
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|
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-- |
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bobwxc |
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