Date: Sat, 19 Aug 2023 12:36:41 +0200 From: Mario Marietto <marietto2008@gmail.com> To: ports@freebsd.org, emulation@freebsd.org Subject: Re: Building a Linuxulator userland from source Message-ID: <CA%2B1FSihKW06GhXFTHmcY=Nn=n8e8pBNEbtm5t0eYf856uFP_MQ@mail.gmail.com> In-Reply-To: <d4avyxdyu24cwq2mcmhb427uwqc3d3w52hf2b6gwsu4pkysmda@e4aoan6h6vv5> References: <xcztahm3vu3bjghjqqxuoy2xabyjmyfq22jw6mkaaaqo7wa36s@fdq7dlvpuhlk> <b639ed9b-2a11-4457-dda8-89e6dd68d59c@quinteiro.org> <CA%2B1FSigHUvuYmFHSTmk01nfAcmckdTx-=1jB7PT8MhChg_bNiw@mail.gmail.com> <d4avyxdyu24cwq2mcmhb427uwqc3d3w52hf2b6gwsu4pkysmda@e4aoan6h6vv5>
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[-- Attachment #1 --] Hello. For example some time ago I started an email exchange with a FreeBSD developer because I'd found two bugs. You can see our full log here : https://pastebin.ubuntu.com/p/HvVC9pkgVB/ I've removed the name of the developer. Anyway he said that he was investigating,but at some point he stopped to reply. So I don't know if the bugs are already there or not. Or if he has submitted them. I'm not experienced,but I suspect that those kinds of bugs aren't caused by the kind of userland,but at a level of abstraction layer. So,if you change userland,you will not fix them. On Sat, Aug 19, 2023 at 12:00 PM Felix Palmen <zirias@freebsd.org> wrote: > * Mario Marietto <marietto2008@gmail.com> [20230818 18:17]: > > But if I have understood well,do you want to change the userland and you > > are sure to reach a better linux compatibility? I don't think you will be > > able to. The linuxulator is not perfect because it is bugged at a "low" > > level. Changing the userland it will remain bugged. > > Ok, let's get this straight ... > > 1.) If you think "linuxulator is bugged at a 'low' level", whatever this > should mean, then please be specific about it, but please do so where it > is on topic, e.g. in a PR on bugzilla. > > 2.) A very frequent issue when trying to run some Linux binary on > FreeBSD is that shared libs are either missing or too old (which is btw > why many people resort to installing some other dist in some Linux jail > instead of using the linux-c7 ports). So, *of course* a newer userland > will fix this. The uncertainty here is just whether it can be a feasible > approach to build this userland from source. Ongoing research. > > Cheers, Felix > > -- > Felix Palmen <zirias@FreeBSD.org> {private} felix@palmen-it.de > -- ports committer -- {web} http://palmen-it.de > {pgp public key} http://palmen-it.de/pub.txt > {pgp fingerprint} 6936 13D5 5BBF 4837 B212 3ACC 54AD E006 9879 F231 > -- Mario. [-- Attachment #2 --] <div dir="ltr"><div>Hello.</div><div><br></div><div>For example some time ago I started an email exchange with a FreeBSD developer because I'd found two bugs. You can see our full log here : </div><div><br></div><div><a href="https://pastebin.ubuntu.com/p/HvVC9pkgVB/" target="_blank">https://pastebin.ubuntu.com/p/HvVC9pkgVB/</a></div><div><br></div><div>I've removed the name of the developer. Anyway he said that he was investigating,but at some point he stopped to reply. So I don't know if the bugs are already there or not. Or if he has submitted them.</div><div><br></div><div>I'm not experienced,but I suspect that those kinds of bugs aren't caused by the kind of userland,but at a level of abstraction layer. So,if you change userland,you will not fix them.<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Aug 19, 2023 at 12:00 PM Felix Palmen <<a href="mailto:zirias@freebsd.org" target="_blank">zirias@freebsd.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">* Mario Marietto <<a href="mailto:marietto2008@gmail.com" target="_blank">marietto2008@gmail.com</a>> [20230818 18:17]:<br> > But if I have understood well,do you want to change the userland and you<br> > are sure to reach a better linux compatibility? I don't think you will be<br> > able to. The linuxulator is not perfect because it is bugged at a "low"<br> > level. Changing the userland it will remain bugged.<br> <br> Ok, let's get this straight ...<br> <br> 1.) If you think "linuxulator is bugged at a 'low' level", whatever this<br> should mean, then please be specific about it, but please do so where it<br> is on topic, e.g. in a PR on bugzilla.<br> <br> 2.) A very frequent issue when trying to run some Linux binary on<br> FreeBSD is that shared libs are either missing or too old (which is btw<br> why many people resort to installing some other dist in some Linux jail<br> instead of using the linux-c7 ports). So, *of course* a newer userland<br> will fix this. The uncertainty here is just whether it can be a feasible<br> approach to build this userland from source. Ongoing research.<br> <br> Cheers, Felix<br> <br> -- <br> Felix Palmen <zirias@FreeBSD.org> {private} <a href="mailto:felix@palmen-it.de" target="_blank">felix@palmen-it.de</a><br> -- ports committer -- {web} <a href="http://palmen-it.de" rel="noreferrer" target="_blank">http://palmen-it.de</a><br>; {pgp public key} <a href="http://palmen-it.de/pub.txt" rel="noreferrer" target="_blank">http://palmen-it.de/pub.txt</a><br>; {pgp fingerprint} 6936 13D5 5BBF 4837 B212 3ACC 54AD E006 9879 F231<br> </blockquote></div><br clear="all"><br><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature">Mario.<br></div>
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