From owner-freebsd-bugs@freebsd.org Wed Mar 22 09:49:32 2017 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 51DBDD17002 for ; Wed, 22 Mar 2017 09:49:32 +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 41620FE3 for ; Wed, 22 Mar 2017 09:49:32 +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 v2M9nVh9009222 for ; Wed, 22 Mar 2017 09:49:32 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 217994] Kernel panic in native_lapic_setup with 12-CURRENT on EC2 machine Date: Wed, 22 Mar 2017 09:49:31 +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: sylvain@sylvaingarrigues.com 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: 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: 2.1.23 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 22 Mar 2017 09:49:32 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D217994 --- Comment #11 from Sylvain Garrigues --- (kgdb) disassemble native_lapic_setup Dump of assembler code for function native_lapic_setup: 0xffffffff8107fd30 : push %rbp 0xffffffff8107fd31 : mov %rsp,%rbp 0xffffffff8107fd34 : push %r15 0xffffffff8107fd36 : push %r14 0xffffffff8107fd38 : push %r13 0xffffffff8107fd3a : push %r12 0xffffffff8107fd3c : push %rbx 0xffffffff8107fd3d : sub $0x38,%rsp 0xffffffff8107fd41 : mov %edi,%r14d 0xffffffff8107fd44 : mov 0xffffffff81d6d320,%= rax 0xffffffff8107fd4c : mov %rax,-0x30(%rbp) 0xffffffff8107fd50 : pushfq=20 0xffffffff8107fd51 : pop %rbx 0xffffffff8107fd52 : cli=20=20=20=20 0xffffffff8107fd53 : callq *0xffffffff81a216d0 0xffffffff8107fd5a : movslq %eax,%rsi 0xffffffff8107fd5d : cmpl $0x0,0xffffffff81edb= a40 0xffffffff8107fd65 : je 0xffffffff8107fdaa 0xffffffff8107fd67 : mov $0x803,%ecx 0xffffffff8107fd6c : rdmsr=20=20 0xffffffff8107fd6e : mov $0x810,%ecx 0xffffffff8107fd73 : (bad)=20=20 0xffffffff8107fd74 : (bad)=20=20 0xffffffff8107fd75 : jo 0xffffffff8107fd6e 0xffffffff8107fd77 : loopne 0xffffffff8107fcfc 0xffffffff8107fd79 : cmp $0x25,%al 0xffffffff8107fd7b : rex mov $0x740081ed,%edx 0xffffffff8107fd81 : cmp 0x808(%rcx),%edi 0xffffffff8107fd87 : rdmsr=20=20 0xffffffff8107fd89 : and $0xffffff00,%eax 0xffffffff8107fd8e : cmpl $0x0,0xffffffff81edb= a40 0xffffffff8107fd96 : je 0xffffffff810800e2 0xffffffff8107fd9c : mfence=20 0xffffffff8107fd9f : xor %edx,%edx 0xffffffff8107fda1 : mov $0x808,%ecx 0xffffffff8107fda6 : wrmsr=20=20 0xffffffff8107fda8 : jmp 0xffffffff8107fdd6 0xffffffff8107fdaa : mov 0xffffffff81edba38,%= rax 0xffffffff8107fdb2 : mov $0x810,%ecx 0xffffffff8107fdb7 : (bad)=20=20 0xffffffff8107fdb8 : (bad)=20=20 0xffffffff8107fdb9 : jo 0xffffffff8107fdb2 0xffffffff8107fdbb : (bad)=20=20 0xffffffff8107fdbc : xor %cl,-0x75(%rax) 0xffffffff8107fdbf : or $0x25,%al 0xffffffff8107fdc1 : cmp %bh,0xb881ed(%rdx) 0xffffffff8107fdc7 : (bad)=20=20 0xffffffff8107fdc8 : (bad)=20=20 0xffffffff8107fdc9 : jmpq *(%rbx) 0xffffffff8107fdcb : addl=20=20 $0x8081,-0x77000000(%rax) 0xffffffff8107fdd5 : add %cl,-0x12(%rcx,%rbp,= 2) 0xffffffff8107fdd9 : push %rax 0xffffffff8107fdda : add (%rax),%eax 0xffffffff8107fddc : add %al,-0x45bfdac4(%rbx) --=20 You are receiving this mail because: You are the assignee for the bug.=