From owner-freebsd-bugs@freebsd.org Sun Jul 3 23:57:48 2016 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 4AB28B906A6 for ; Sun, 3 Jul 2016 23:57:48 +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 394BA2752 for ; Sun, 3 Jul 2016 23:57:48 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id u63NvmhF005075 for ; Sun, 3 Jul 2016 23:57:48 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 210801] [panic] Fatral trap 12: page fault while in kernel mode (new in 11.0-ALPHA6 from 11.0-ALPHA3) Date: Sun, 03 Jul 2016 23:57:48 +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: 11.0-CURRENT X-Bugzilla-Keywords: regression X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: junovitch@freebsd.org 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 keywords bug_severity priority component assigned_to reporter cc 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: 2.1.22 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 03 Jul 2016 23:57:48 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D210801 Bug ID: 210801 Summary: [panic] Fatral trap 12: page fault while in kernel mode (new in 11.0-ALPHA6 from 11.0-ALPHA3) Product: Base System Version: 11.0-CURRENT Hardware: Any OS: Any Status: New Keywords: regression Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: junovitch@freebsd.org CC: jhb@FreeBSD.org, kib@FreeBSD.org Possible regression between ALPHA3 and ALPHA6. It's happened randomly while doing some Poudriere runs and going back and forth at the console testing ports. Sadly I do not have a replication case just yet but have had two panics since updating Friday. - Before FreeBSD 11.0-ALPHA3 #0 r301817M: Sat Jun 11 08:34:23 UTC 2016 - After FreeBSD 11.0-ALPHA6 #0 r302303M: Fri Jul 1 04:55:24 UTC 2016 - Changes for the 'M' M share/man/man4/coretemp.4 M sys/dev/coretemp/coretemp.c - Excerpt from core: ... #0 doadump (textdump=3D0) at pcpu.h:221 221 pcpu.h: No such file or directory. in pcpu.h (kgdb) #0 doadump (textdump=3D0) at pcpu.h:221 #1 0xffffffff8039beab in db_dump (dummy=3D, dummy2=3D= false,=20 dummy3=3D0, dummy4=3D0x0) at /usr/src/head/sys/ddb/db_command.c:533 #2 0xffffffff8039bca9 in db_command (cmd_table=3D) at /usr/src/head/sys/ddb/db_command.c:440 #3 0xffffffff8039ba04 in db_command_loop () at /usr/src/head/sys/ddb/db_command.c:493 #4 0xffffffff8039e9eb in db_trap (type=3D,=20 code=3D) at /usr/src/head/sys/ddb/db_main.c:251 #5 0xffffffff80b323d3 in kdb_trap (type=3D,=20 code=3D, tf=3D) at /usr/src/head/sys/kern/subr_kdb.c:654 #6 0xffffffff80fd52d1 in trap_fatal (frame=3D0xfffffe0469f087e0, eva=3D103= 6) at /usr/src/head/sys/amd64/amd64/trap.c:836 #7 0xffffffff80fd5503 in trap_pfault (frame=3D0xfffffe0469f087e0, usermode= =3D0) at /usr/src/head/sys/amd64/amd64/trap.c:691 #8 0xffffffff80fd4aac in trap (frame=3D0xfffffe0469f087e0) at /usr/src/head/sys/amd64/amd64/trap.c:442 #9 0xffffffff80fb7ba1 in calltrap () at /usr/src/head/sys/amd64/amd64/exception.S:236 #10 0xffffffff80a9164c in filt_proc (kn=3D0xfffff800918b6900,=20 hint=3D) at /usr/src/head/sys/kern/kern_event.c:473 #11 0xffffffff80a8fbad in knote (list=3D, hint=3D21474= 83648,=20 lockflags=3D) at /usr/src/head/sys/kern/kern_event.c:2045 #12 0xffffffff80a96dad in exit1 (td=3D0xfffff8023875a000, rval=3D184783104,= =20 signo=3D0) at /usr/src/head/sys/kern/kern_exit.c:515 #13 0xffffffff80a95ddd in sys_sys_exit (td=3D0xfffff800918b6900,=20 uap=3D) at /usr/src/head/sys/kern/kern_exit.c:178 #14 0xffffffff80fd5c6e in amd64_syscall (td=3D, traced= =3D0) at subr_syscall.c:135 #15 0xffffffff80fb7e8b in Xfast_syscall () at /usr/src/head/sys/amd64/amd64/exception.S:396 #16 0x000000080092a8ca in ?? () Previous frame inner to this frame (corrupt stack?) Current language: auto; currently minimal Given the filt_proc/knote mentions, CC the folks from https://reviews.freebsd.org/D6859 (r302235) as a best guess looking at the = SVN log for guidance. (kgdb) --=20 You are receiving this mail because: You are the assignee for the bug.=