Date: Mon, 24 Feb 2025 14:20:48 +0100 From: Mohammad Noureldin <mohammad@thelightbird.com> To: Jung-uk Kim <jkim@freebsd.org> Cc: Freebsd current <freebsd-current@freebsd.org> Subject: Re: Very poor -CURRENT boot performance on AMD Message-ID: <CAAQ96Dx3Ri_So1W4fWsODxbtcTGUJK_yjRZEzqezjUe64LpCwg@mail.gmail.com> In-Reply-To: <3c7dab54-ac92-4a65-8517-e1636361e33d@FreeBSD.org> References: <CAAQ96DxEOHexefyiFStHUYt6rnmGsGj%2BFvZhGyXqooaGyNEteg@mail.gmail.com> <3c7dab54-ac92-4a65-8517-e1636361e33d@FreeBSD.org>
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--00000000000095fde6062ee2519a Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Jung-uk Kim, On Thu, Feb 20, 2025 at 5:22=E2=80=AFAM Jung-uk Kim <jkim@freebsd.org> wrot= e: > On 25. 2. 19., Mohammad Noureldin wrote: > > --snip-- > This happens because UEFI framebuffer access from boot loader is very > slow. Once the kernel is loaded and booted, everything is okay because > we properly set memory attribute. It's a long standing bug and there's > PR254381. > > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D254381 > > Jung-uk Kim > Cool! Thanks a lot for sharing. --=20 Thanks - Mohammad Noureldin -- "Life is like riding a bicycle. To keep your balance you must keep moving" - Albert Einstein --00000000000095fde6062ee2519a Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div>Hi Jung-uk Kim,</div><br><div class=3D"gmail_quote gm= ail_quote_container"><div dir=3D"ltr" class=3D"gmail_attr">On Thu, Feb 20, = 2025 at 5:22=E2=80=AFAM Jung-uk Kim <<a href=3D"mailto:jkim@freebsd.org"= >jkim@freebsd.org</a>> wrote:<br></div><blockquote class=3D"gmail_quote"= style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);p= adding-left:1ex">On 25. 2. 19., Mohammad Noureldin wrote:<br><br></blockquo= te><div>--snip--=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"marg= in:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1e= x"> This happens because UEFI framebuffer access from boot loader is very <br> slow.=C2=A0 Once the kernel is loaded and booted, everything is okay becaus= e <br> we properly set memory attribute.=C2=A0 It's a long standing bug and th= ere's <br> PR254381.<br> <br> <a href=3D"https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D254381" rel= =3D"noreferrer" target=3D"_blank">https://bugs.freebsd.org/bugzilla/show_bu= g.cgi?id=3D254381</a><br> <br> Jung-uk Kim<br> </blockquote></div><div><br clear=3D"all"></div><div>Cool! Thanks a lot for= sharing.</div><div><br></div><span class=3D"gmail_signature_prefix">-- </s= pan><br><div dir=3D"ltr" class=3D"gmail_signature"><div dir=3D"ltr"><div><d= iv dir=3D"ltr" style=3D"color:rgb(136,136,136)">Thanks<br>- Mohammad Nourel= din<br>--<br>"Life is like riding a bicycle. To keep your balance you = must keep moving"<br>- Albert Einstein</div></div><div dir=3D"ltr" sty= le=3D"color:rgb(136,136,136)"><br></div></div></div></div> --00000000000095fde6062ee2519a--
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