From nobody Wed Feb 14 06:11:41 2024 X-Original-To: bugs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4TZSWf4qKvz5B5b0 for ; Wed, 14 Feb 2024 06:11:42 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4TZSWf3DGlz4X9p for ; Wed, 14 Feb 2024 06:11:42 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1707891102; a=rsa-sha256; cv=none; b=CGLCzUOTMsRNT9t10QDgAdiDoD524uE40TR2QWxjrQOVMOG/G5e5+V1H+24HqDJ4aKaqH5 8G+OF6/GdLFK9mjg/miUEVPy422ERiWZtsMDT6c3atk1FO0iuc9CLlMmLER28DiQ5iWMeQ y+mp655hSH+4zHzv9lGjKYcYoXyk3aouS2/qZ2JqrcR6XpMlXO9UKt1LiQKtM0zwTlxiZS SREJBHGcbbL8wgNI++30uyID4B3IaraKpV/7va2THrr+t1bvp29qh05FHjJvMSDlz0F5yv gNbMpYY4me3CZ4t3MTcKSG5TkweSPzgoiU4OTt5gUNoXhrS1eRCCoE0bisPK7w== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1707891102; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ga2SSgcwDnOh+/wukeTMV29jR2dbLID2WHW3y1+8x60=; b=ObHAZTLaIg/DwoxcxS0eHqmNSxUbRKGsmzyDh7KuSDPMnjzbUDI3dwa+bpfzFfU2ixgNBr BlEmfrzbuJ0e0I800/vkVZ+nQvDES7j8V6p25mip8WEzQWdcJ4E0lXCUP2xTIDISEAGq5p r1dnEovM2ltDcMIEn9pmx1oQhStUQ+uWu3koz154FiDHC+JG97/nBd+ybbCdZoZrs5/zAV jt7PY5zRRxu0a+eHf8CLbT/H6xNiR9G7Lz7+VitCNkGgCQLpOnNuCALCm8rjsu1+f6J1Tv VE2wgCc2HhEKwEP5sciGWua1rafpybZOKguSts54p+PQ0utnSFYq043MYD6sHA== Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4TZSWf1MNJzmvc for ; Wed, 14 Feb 2024 06:11:42 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 41E6Bgqt055889 for ; Wed, 14 Feb 2024 06:11:42 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 41E6BgYm055888 for bugs@FreeBSD.org; Wed, 14 Feb 2024 06:11:42 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 254381] bootloader is very slow Date: Wed, 14 Feb 2024 06:11:41 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: misc X-Bugzilla-Version: 13.0-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: jkim@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_severity cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@freebsd.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D254381 Jung-uk Kim changed: What |Removed |Added ---------------------------------------------------------------------------- Severity|Affects Only Me |Affects Some People CC| |jkim@FreeBSD.org --- Comment #11 from Jung-uk Kim --- I have a similar problem. My guess is the frame buffer does not set memory attribute properly. Note we do not have this problem as soon as kernel is loaded because we unconditionally set it as write-combining: https://cgit.freebsd.org/src/commit/sys/dev/vt/hw/efifb/efifb.c?id=3D7ef5e8= bc80065821d8f277a41f8184e7990d27bc Later, we added "hw.efifb.cache_attr" tunable to allow uncacheable type. https://cgit.freebsd.org/src/commit/sys/dev/vt/hw/efifb/efifb.c?id=3D8dff0b= 6761407357c5bb42ee799c5c9f465557a3 We may be able to set it from loader via SetVirtualAddressMap(), I guess? --=20 You are receiving this mail because: You are the assignee for the bug.=