From owner-freebsd-bugs@freebsd.org Mon Oct 19 11:42:13 2015 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 AF3B5A194F2 for ; Mon, 19 Oct 2015 11:42:13 +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 820751F5 for ; Mon, 19 Oct 2015 11:42:13 +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 t9JBgDfT044192 for ; Mon, 19 Oct 2015 11:42:13 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 203820] kernel panic when trying to unload vmm(4) Date: Mon, 19 Oct 2015 11:42:13 +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: 10.2-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: ilavsky.martin@gmail.com X-Bugzilla-Status: New X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit 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: 2.1.20 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Oct 2015 11:42:13 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=203820 --- Comment #1 from martin ilavsky --- # kgdb kernel.debug /var/crash/vmcore.0 (kgdb) list *0xffffffff821f542b 0xffffffff821f542b is in vmx_disable (cpufunc.h:423). 418 } 419 420 static __inline void 421 load_cr4(u_long data) 422 { 423 __asm __volatile("movq %0,%%cr4" : : "r" (data)); 424 } 425 426 static __inline u_long 427 rcr4(void) Current language: auto; currently minimal (kgdb) backtrace #0 doadump (textdump=) at pcpu.h:219 #1 0xffffffff8095a5a2 in kern_reboot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:451 #2 0xffffffff8095a985 in vpanic (fmt=, ap=) at /usr/src/sys/kern/kern_shutdown.c:758 #3 0xffffffff8095a813 in panic (fmt=0x0) at /usr/src/sys/kern/kern_shutdown.c:687 #4 0xffffffff80d98b1b in trap_fatal (frame=, eva=) at /usr/src/sys/amd64/amd64/trap.c:851 #5 0xffffffff80d9879c in trap (frame=) at /usr/src/sys/amd64/amd64/trap.c:203 #6 0xffffffff80d7e832 in calltrap () at /usr/src/sys/amd64/amd64/exception.S:236 #7 0xffffffff821f542b in vmx_disable (arg=0x0) at /usr/src/sys/modules/vmm/../../amd64/vmm/intel/vmx.c:481 #8 0xffffffff809a372c in smp_rendezvous_action () at /usr/src/sys/kern/subr_smp.c:439 #9 0xffffffff80d7fc49 in Xrendezvous () at apic_vector.S:295 #10 0xffffffff80d7be56 in acpi_cpu_c1 () at /usr/src/sys/amd64/acpica/acpi_machdep.c:95 #11 0xffffffff8037de1a in acpi_cpu_idle (sbt=) at /usr/src/sys/dev/acpica/acpi_cpu.c:1038 #12 0xffffffff80d8238f in cpu_idle_acpi (sbt=83757098) at /usr/src/sys/amd64/amd64/machdep.c:682 #13 0xffffffff80d82430 in cpu_idle (busy=0) at /usr/src/sys/amd64/amd64/machdep.c:828 #14 0xffffffff809872e5 in sched_idletd (dummy=) at /usr/src/sys/kern/sched_ule.c:2662 #15 0xffffffff809243aa in fork_exit (callout=0xffffffff80987110 , arg=0x0, frame=0xfffffe082cdb6ac0) at /usr/src/sys/kern/kern_fork.c:1018 #16 0xffffffff80d7ed6e in fork_trampoline () at /usr/src/sys/amd64/amd64/exception.S:611 #17 0x0000000000000000 in ?? () (kgdb) -- You are receiving this mail because: You are the assignee for the bug.