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marcan42's profile
Hector Martin
Hector Martin
Hector Martin
@marcan42

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Hector Martin

@marcan42

If it ain't broke, I'll fix it! I'm porting Linux to Apple Silicon Macs at @AsahiLinux. http://patreon.com/marcan  | http://github.com/sponsors/marcan 

Tokyo, Japan
marcan.st
Joined May 2009

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    1. whitequark‏ @whitequark 31 Jan 2018
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      I should just block systemd apologists preemptively

      7 replies 7 retweets 63 likes
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    3. whitequark‏ @whitequark 31 Jan 2018
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      Replying to @tef

      headless systems not coming up after reboot because lennart decided that eth0 is not good enough for an interface name

      3 replies 1 retweet 11 likes
    4. Rich Felker‏ @RichFelker 31 Jan 2018
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      Replying to @whitequark @tef

      As much as I love blaming systemd, the problem goes back much further to kernel devs making device numbering non-deterministic (asynchronous probe). But until Lennart that only affected rare use case of >1 eth port.

      3 replies 0 retweets 1 like
    5. whitequark‏ @whitequark 31 Jan 2018
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      Replying to @RichFelker @tef

      Nope. udev used to have rules making device numbering deterministic (record-on-first-use). then systemd removed that in favor of their insane numbering scheme.

      3 replies 0 retweets 7 likes
    6. whitequark‏ @whitequark 31 Jan 2018
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      Replying to @whitequark @RichFelker @tef

      I wouldn't knowingly argue in favor of nondeterminism.

      1 reply 0 retweets 5 likes
    7. Hector Martin‏ @marcan42 1 Feb 2018
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      Replying to @whitequark @RichFelker @tef

      It's still nondeterministic on first install though. Not great if you're doing reinstalls or deploying across hosts. TBH I'm not a systemd fan but I think the new interface naming scheme makes more sense in the long run. And I don't even use systemd on most machines.

      1 reply 0 retweets 3 likes
    8. Rich Felker‏ @RichFelker 1 Feb 2018
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      Replying to @marcan42 @whitequark @tef

      This is why legacy IDE had jumpers. Hardware topology conf should always be physical on the hardware to facilitate (re)install, deployment across many machines, moving disk to replacement hw, etc. ID by mac/guid/etc is bogus.

      1 reply 0 retweets 1 like
    9. CopperheadOS‏ @CopperheadOS 1 Feb 2018
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      Replying to @RichFelker @marcan42 and

      It's eno1, eno2, etc. for internal ethernet when the motherboard firmware is decent and falls back to bus location. The default of using the USB topology instead of a MAC might be what ends up annoying people most since it changes if you switch the port. https://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterfaceNames/ …

      1 reply 0 retweets 0 likes
      Hector Martin‏ @marcan42 1 Feb 2018
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      Replying to @CopperheadOS @RichFelker and

      I turn it off on my laptop, since it almost always only has eth0/wlan0 on boot and anything else is hotplugged. I also sometimes turn it off on trivial systems with a single port and no hotplugging (e.g. embedded). But it's good for anything with 2+ ports, particularly servers.

      8:33 AM - 1 Feb 2018
      2 replies 0 retweets 0 likes
        1. Hector Martin‏ @marcan42 1 Feb 2018
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          Replying to @marcan42 @CopperheadOS and

          What really pissed me off was when Ubuntu went from em1/em2/... to eno1/eno2/.... between 14.04 and 16.04. *That* was a useless change. How did they manage to get it wrong the first time? That broke VM live migration across versions for me on a certain cluster.

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        1. CopperheadOS‏ @CopperheadOS 1 Feb 2018
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          Replying to @marcan42 @RichFelker and

          It's somewhat useful here since it calls the internal one eno1 (since the motherboard is sane) and provides consistent naming for USB tethering via Android / CopperheadOS based on USB port.

          1 reply 0 retweets 0 likes
        2. CopperheadOS‏ @CopperheadOS 1 Feb 2018
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          Replying to @CopperheadOS @marcan42 and

          Can see why someone would be unhappy about it if they use a laptop with USB tethering and don't plug into the same port every time. Instead of eth0 they get enp5s0u1, enp5s0u2 or similar depending on port. Configuring it to use MAC would be worse since it's random each time.

          2 replies 0 retweets 1 like
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