From owner-freebsd-current@freebsd.org Mon Sep 11 08:31:10 2017 Return-Path: Delivered-To: freebsd-current@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 9CCE3E22D29 for ; Mon, 11 Sep 2017 08:31:10 +0000 (UTC) (envelope-from kubito@gmail.com) Received: from mail-wm0-x22c.google.com (mail-wm0-x22c.google.com [IPv6:2a00:1450:400c:c09::22c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 43D4676EA9 for ; Mon, 11 Sep 2017 08:31:10 +0000 (UTC) (envelope-from kubito@gmail.com) Received: by mail-wm0-x22c.google.com with SMTP id f199so33652028wme.0 for ; Mon, 11 Sep 2017 01:31:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:subject:date:message-id:user-agent:mime-version; bh=HV7uibao/n/Eut3PMQrm04r8F+v99MCUV3Phjs41Ln8=; b=fJGG3B6vumB9fo/H2yc3o2/kY13l4w7/Rim4HxDIfaTuBP6l+AGTqECkNyddpLZlJe KVcdTVt0ROVgwVby/RuzCsnYebPyuGtSYIG6GjAik7EgVDZJYzErqQi/U/Z214Ycva8h j4e9J7+Fve0Jc73UfuxxpFYVSl8lI5ijA7hiBO1s+yUH0vRYtKl+LvnL58GH0q/N3swj Y6+9lnwPcJPi5r961UKu/CyZXimTYCAT0Yky14ifK0ANFUkmizhSQYxYdJ711TPmPs4a omdHITcAH442Cetk6T+oiSeh8FwLhKX9VQt0X/eWUOpcH2WY8GJBbR5i6LArmgdC/hd3 6zZw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:subject:date:message-id :user-agent:mime-version; bh=HV7uibao/n/Eut3PMQrm04r8F+v99MCUV3Phjs41Ln8=; b=eEvS22prV82lGV8fNzxhUAT/fJBUhogE0F/0M4jJPJNaeUvqIolKqzUBE7dcJHhelp OszE+NooMAGBxz5KN91ibPv1jWxZGQYd8y1bEqV6spdiFNA/LZHgUz1ZkFd085FSZsun 3FFktux5vugEP3HirLWQSzlG+mDDN+9ppYxQ8n3Pgu6Tc+gcZYRjEkfL9zk6ZdofCNwl nrHM7lTKJ+2axMFZraxVo/xVWQk488O2P4R9ahpsQ/LCrS6OfcSuWqn2Yo71BPczAz8P sluNT5sft6NJsuH7PHZHZCLyqFr0AvPSpA6OsgMvthwo8pdhCg60NTN6f3jvyZRc2OzQ HKFw== X-Gm-Message-State: AHPjjUjN7BY4aPG+5q2nc52Ovqx/7PsW7VW+u9ef/Md1A1VFszzQn/tp eUu9V9/ps3ZsCMmQyQ0= X-Google-Smtp-Source: ADKCNb5WBq7KWTgDvS9fVbaM4ec7Kl6To5yStuLMY1itPNZ/FWINMmicfsVDIGry/gOMKONuaMy38Q== X-Received: by 10.80.135.4 with SMTP id i4mr9025606edb.20.1505118667758; Mon, 11 Sep 2017 01:31:07 -0700 (PDT) Received: from orwell.gmail.com (dhcp-077-251-154-188.chello.nl. [77.251.154.188]) by smtp.gmail.com with ESMTPSA id z102sm398273ede.43.2017.09.11.01.31.07 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 11 Sep 2017 01:31:07 -0700 (PDT) Sender: Raphael Kubo da Costa From: Raphael Kubo da Costa To: freebsd-current@FreeBSD.org Subject: r323412: Panic on boot (slab->us_keg == keg) Date: Mon, 11 Sep 2017 10:31:01 +0200 Message-ID: <86vakp1vsq.fsf@orwell> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Sep 2017 08:31:10 -0000 I've recently tried to upgrade a HEAD VM (running on a Linux host with QEMU) from r321082 to r323412. The new kernel panics right after I try to boot into it with: panic: Assertion slab->us_keg == keg failed at /usr/src/sys/vm/uma_core.c:2285 cpuid = 0 time = 1 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xffffffff81c4d780 vpanic() at vpanic+0x19c/frame 0xffffffff81c4d800 kassert_panic() at kassert_panic+0x126/frame 0xffffffff81c4d870 keg_fetch_slab() at keg_fetch_slab+0x2a9/frame 0xffffffff81c4d8c0 zone_fetch_slab() at zone_fetch_slab+0x51/frame 0xffffffff81c4d8f0 zone_import() at zone_import+0x4f/frame 0xffffffff81c4d960 zone_alloc_item() at zone_alloc_item+0x36/frame 0xffffffff81c4d9a0 uma_zcreate() at uma_zcreate+0x3d3/frame 0xffffffff81c4da40 uma_startup() at uma_startup+0x147/frame 0xffffffff81c4dae0 vm_page_startup() at vm_page_startup+0x34e/frame 0xffffffff81c4db30 vm_mem_init() at vm_mem_init+0x1a/frame 0xffffffff81c4db50 mi_startup() at mi_startup+0x9c/frame 0xffffffff81c4db70 btext() at btext+0x2c KDB: enter: panic [ thread 0 pid 0 tid 0 ]