From owner-freebsd-bugs@freebsd.org Mon Apr 1 20:14:51 2019 Return-Path: Delivered-To: freebsd-bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id C9B76156DD01 for ; Mon, 1 Apr 2019 20:14:51 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 3B41F874E8 for ; Mon, 1 Apr 2019 20:14:51 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id F2D93156DD00; Mon, 1 Apr 2019 20:14:50 +0000 (UTC) Delivered-To: bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id B5F06156DCFF for ; Mon, 1 Apr 2019 20:14:50 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.ysv.freebsd.org (mxrelay.ysv.freebsd.org [IPv6:2001:1900:2254:206a::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4AD2B874E6 for ; Mon, 1 Apr 2019 20:14:50 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.ysv.freebsd.org (Postfix) with ESMTPS id 8C5A91A946 for ; Mon, 1 Apr 2019 20:14:49 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id x31KEnMO088490 for ; Mon, 1 Apr 2019 20:14:49 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id x31KEn3Q088489 for bugs@FreeBSD.org; Mon, 1 Apr 2019 20:14:49 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 224561] powerpc64: head -r327075 kldload (e.g.) of kernel modules built by clang 5.0.1 crashes the system: mishandles R_PPC64_JMP_SLOT clang generated Date: Mon, 01 Apr 2019 20:14:49 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: marklmi26-fbsd@yahoo.com X-Bugzilla-Status: Closed X-Bugzilla-Resolution: Overcome By Events X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_status resolution 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 MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Apr 2019 20:14:52 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D224561 Mark Millard changed: What |Removed |Added ---------------------------------------------------------------------------- Status|New |Closed Resolution|--- |Overcome By Events --- Comment #2 from Mark Millard --- At least for the following combination, this was no longer a problem (but clang is still using R_PPC64_JMP_SLOT in .ko files so it was apparently FreeBSD that changed): # uname -apKU FreeBSD FBSDG5L 13.0-CURRENT FreeBSD 13.0-CURRENT #8 r345758M: Sun Mar 31 19:43:35 PDT 2019=20=20=20=20 markmi@FBSDFSSD:/usr/obj/powerpc64vtsc_clang_altbinutils/powerpc.powerpc64/= usr/src/powerpc.powerpc64/sys/GENERIC64vtsc-NODBG powerpc powerpc64 1300017 1300017 amd64->powerpc64 cross-built with system-clang and devel/powerpc64-binutils using WITH_LLVM_LIBUNWIND=3D (patched) and WITHOUT_LIB32=3D . Various other patches/workarounds for other issues are present, unrelated to R_PPC64_JMP_SLOT use in .ko file= s. (I exierment with using more modern tool-chains to build for powerpc64 and powerpc.) The system is an old PowerMac G5 (2 sockets, 2 cores per). I was able to comment out my prior inclusion of filemon and mac_ntpd in the kernel, so I now have: # kldstat Id Refs Address Size Name 1 6 0xc000000000100000 1927578 kernel 2 1 0xe00000008fcd2000 12000 mac_ntpd.ko 3 1 0xe00000008efda000 15000 filemon.ko I've no clue just when the status changed. --=20 You are receiving this mail because: You are the assignee for the bug.=