From owner-freebsd-bugs@freebsd.org Mon Jan 1 09:10:51 2018 Return-Path: Delivered-To: freebsd-bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 2B907E88B8E for ; Mon, 1 Jan 2018 09:10:51 +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 mx1.freebsd.org (Postfix) with ESMTPS id 1515B651C4 for ; Mon, 1 Jan 2018 09:10:51 +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 w019Ao1W021844 for ; Mon, 1 Jan 2018 09:10:50 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id w019AoIv021841 for freebsd-bugs@FreeBSD.org; Mon, 1 Jan 2018 09:10:50 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: freebsd-bugs@FreeBSD.org Subject: [Bug 224813] system panics on boot w/ "panic: invalid bcd nnn" due to broken RTC values Date: Mon, 01 Jan 2018 09:10:51 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new 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: guru@unixarea.de X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: 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: 2.1.25 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Jan 2018 09:10:51 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D224813 Bug ID: 224813 Summary: system panics on boot w/ "panic: invalid bcd nnn" due to broken RTC values Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: guru@unixarea.de I've got an older Acer C720 with r314251, which was not booted for some tim= e, and now panics on boot, also in single user mode, saying: ... Dec 30 19:54:26 c720-r314251 kernel: ada0: Command Queueing enabled Dec 30 19:54:26 c720-r314251 kernel: ada0: 244198MB (500118192 512 byte sectors) Dec 30 19:54:26 c720-r314251 kernel: WARNING: WITNESS option enabled, expect reduced performance. Dec 30 19:54:26 c720-r314251 kernel: Trying to mount root from ufs:/dev/ada= 0p2 [rw,noatime]... panic: invalid bcd 194 ... The message comes from=20 $ find * -type f -exec fgrep "invalid bcd" {} /dev/null \; sys/sys/libkern.h: ("invalid bcd %d", bcd)); $ vim sys/sys/libkern.h ... #define LIBKERN_LEN_BCD2BIN 154 #define LIBKERN_LEN_BIN2BCD 100 #define LIBKERN_LEN_HEX2ASCII 36 static inline u_char bcd2bin(int bcd) { KASSERT(bcd >=3D 0 && bcd < LIBKERN_LEN_BCD2BIN, ("invalid bcd %d", bcd)); return (bcd2bin_data[bcd]); } Additional information are here in these mail threads: http://freebsd.1045724.x6.nabble.com/panic-invalid-bcd-xxx-td6170480.html http://freebsd.1045724.x6.nabble.com/panic-invalid-bcd-194-td6228981.html --=20 You are receiving this mail because: You are the assignee for the bug.=