From owner-freebsd-hackers@freebsd.org Sun Aug 12 06:53:56 2018 Return-Path: Delivered-To: freebsd-hackers@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 B458B1066834 for ; Sun, 12 Aug 2018 06:53:56 +0000 (UTC) (envelope-from lists@eitanadler.com) Received: from mail-yw1-xc2b.google.com (mail-yw1-xc2b.google.com [IPv6:2607:f8b0:4864:20::c2b]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 2B2F77BB6E for ; Sun, 12 Aug 2018 06:53:55 +0000 (UTC) (envelope-from lists@eitanadler.com) Received: by mail-yw1-xc2b.google.com with SMTP id 139-v6so11498621ywg.12 for ; Sat, 11 Aug 2018 23:53:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=eitanadler.com; s=0xdeadbeef; h=mime-version:from:date:message-id:subject:to; bh=F86JrBdwFNAo4awdRUPWM676MTtwCc0SKUbYPfCE7jM=; b=l1uN5C3NGOA+JQ5Pc07qoGxxfB9qK5ob73jVaaDUq5PaW0kDCORLNHeBDiQbEu1A4w zLAXkAYw0t8ruDuIp9O1pUoKOAvdne4ItAJ1lcSuYXQfE9qP/4mP9YjsDkricU61sy2j PQXeYjuiyy9Au1kaKJiVZ7GCoWSzjhDsA3EKA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=F86JrBdwFNAo4awdRUPWM676MTtwCc0SKUbYPfCE7jM=; b=MmW+4x2wwseK8KqeQiyPwqZJXmqiDHglmJhzG8g5kKvIEvzb/KQ3nlQYEyfIpkNdBn 3Efz/Xr7JZNZGBPTNHZ7fK/IcCTEPMeu7JJF+QbPBuw9HwhSb/t666KZG8Qwo9YmgezF AGORXW6Zzr/RhASoBZLTZKipRT6lMjbk4iAKtIESwFQEHTCtavre/fgZwiSofWpS1XRA WpaAIrp6KcrC6qvD0wxfBYaApiye7CpIlXkHhGnGUzm2I9hi0GFxFNbfE8Hq+eAAADay 665sHk6eZncNqZ2jEdcIHLE3GJ6aPvmipCNEIUCJqEkqkRnE/J4OXj2ORkxOSKm9wT6e 5MaQ== X-Gm-Message-State: AOUpUlHv/YYq0ArjeL45J7jKNh76Uxommphr8FxuwijBI399NH2xwl15 knv/Z2Z7YpCdokSgwWaqOpbI5LOcefOq7F2SJYL8QYxjiko= X-Google-Smtp-Source: AA+uWPzDWcD93aMiAZQcZFPxLZLRyeE/dGq8kROiSjcHBRkGfkbnH/ipKj8DjmWnlfiI7c0t58GnS8g/oZrsXl0TQOQ= X-Received: by 2002:a25:734e:: with SMTP id o75-v6mr6493186ybc.69.1534056834851; Sat, 11 Aug 2018 23:53:54 -0700 (PDT) MIME-Version: 1.0 From: Eitan Adler Date: Sat, 11 Aug 2018 23:53:28 -0700 Message-ID: Subject: kernel panic - futex_xchgl () at /usr/src/sys/amd64/linux/linux_support.s:47 To: FreeBSD Hackers , freebsd-emulation@freebsd.org Content-Type: text/plain; charset="UTF-8" X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 12 Aug 2018 06:53:56 -0000 I got this panic recently. Figured I'd send it here. [352792] Fatal trap 12: page fault while in kernel mode [352792] cpuid = 20; apic id = 14 [352792] fault virtual address = 0x804010650 [352792] fault code = supervisor write data, protection violation [352792] instruction pointer = 0x20:0xffffffff83c517f3 [352792] stack pointer = 0x28:0xfffffe03387a38b8 [352792] frame pointer = 0x28:0xfffffe03387a3980 [352792] code segment = base 0x0, limit 0xfffff, type 0x1b [352792] = DPL 0, pres 1, long 1, def32 0, gran 1 [352792] processor eflags = interrupt enabled, resume, IOPL = 0 [352792] current process = 1863 (java) __curthread () at ./machine/pcpu.h:230 230 __asm("movq %%gs:%1,%0" : "=r" (td) (kgdb) #0 __curthread () at ./machine/pcpu.h:230 #1 doadump (textdump=0) at /usr/src/sys/kern/kern_shutdown.c:366 #2 0xffffffff80437d4b in db_dump (dummy=, dummy2=, dummy3=, dummy4=) at /usr/src/sys/ddb/db_command.c:574 #3 0xffffffff80437b0d in db_command (last_cmdp=, cmd_table=, dopager=) at /usr/src/sys/ddb/db_command.c:481 #4 0xffffffff804378a4 in db_command_loop () at /usr/src/sys/ddb/db_command.c:534 #5 0xffffffff8043aa8f in db_trap (type=, code=) at /usr/src/sys/ddb/db_main.c:252 #6 0xffffffff80bc1da3 in kdb_trap (type=12, code=0, tf=) at /usr/src/sys/kern/subr_kdb.c:693 #7 0xffffffff810504ff in trap_fatal (frame=0xfffffe03387a37f0, eva=) at /usr/src/sys/amd64/amd64/trap.c:906 #8 0xffffffff81050609 in trap_pfault (frame=0xfffffe03387a37f0, usermode=) at /usr/src/sys/amd64/amd64/trap.c:746 #9 0xffffffff8104fc34 in trap (frame=0xfffffe03387a37f0) at /usr/src/sys/amd64/amd64/trap.c:427 #10 #11 futex_xchgl () at /usr/src/sys/amd64/linux/linux_support.s:47 #12 0xffffffff83c3da84 in futex_atomic_op (td=, encoded_op=, uaddr=) at /usr/src/sys/compat/linux/linux_futex.c:685 #13 linux_sys_futex (td=0xfffff8011aac6000, args=0xfffff8011aac63c0) at /usr/src/sys/compat/linux/linux_futex.c:976 #14 0xffffffff81050ef7 in syscallenter (td=0xfffff8011aac6000) at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:135 #15 amd64_syscall (td=0xfffff8011aac6000, traced=0) at /usr/src/sys/amd64/amd64/trap.c:1029 #16 #17 0x0000000800e0c006 in ?? () Backtrace stopped: Cannot access memory at address 0x800d15e58 -- Eitan Adler