From owner-svn-src-all@freebsd.org Fri Jun 8 08:45:03 2018 Return-Path: Delivered-To: svn-src-all@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 230241014E04 for ; Fri, 8 Jun 2018 08:45:03 +0000 (UTC) (envelope-from lists@eitanadler.com) Received: from mail-yw0-x22b.google.com (mail-yw0-x22b.google.com [IPv6:2607:f8b0:4002:c05::22b]) (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 912D379859 for ; Fri, 8 Jun 2018 08:45:02 +0000 (UTC) (envelope-from lists@eitanadler.com) Received: by mail-yw0-x22b.google.com with SMTP id p129-v6so3892967ywg.7 for ; Fri, 08 Jun 2018 01:45:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=eitanadler.com; s=0xdeadbeef; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=IZMtcOh5McyqSmBXdUe2U3elOidZB2HMBpK5p0fgM5c=; b=AP45Fj9wzPk5vXW7NJTL+tsaEoSTIsb9a/tzV2nM/i3hbG2RNqhuUz+loWm8CaI/jj nI47sq8H2S2VCy6oRxLLL1po9dSwnIFfg5/IFIszW/cWncOCJRQ9DcnYfe4m2mDuZTmT xdSQiaBZhHctReMUfIzRGtFq0nUUmGh6rTwzQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=IZMtcOh5McyqSmBXdUe2U3elOidZB2HMBpK5p0fgM5c=; b=AwWRd3uGXe6GOZm+bWh1PG7enrOjWqVwK232jbpyDGKHaUyloVvf7S4a9Y/e79L62X TpiPmCH/RJamSNnZcMFhdNUgW1c5Yr3CX75wyNhFSyNebMIcnaAa2At7Ljp5rHgp9kap g6FNiHk5TqBvrak8XPiJAJWmOiOnSWKdPdlM6hmYQK+xGTAS46ltyfD/7WVzNxgYnJfx jFwdee5G1xOjyfifpOruKqzYZi4M+y+gNT1iCYDj3B3iZnrv9XlH5mmX1V6CFjjxNPcX dQRGjJQRRix3VAahO1EvWC0TcZc8etmXfAs5JmDwxgm2Z7kvRb3mPzeawVrtdN7M7Z7b 60Rg== X-Gm-Message-State: APt69E3+oHlmIdh9M1yx8jpuB+4VMhTRlBZzbNbfvnZhFoAQ7xaQwFvw xkj7obcXs3TI9NE56FntgFpYqErX7pQ45sLqIq1nTA== X-Google-Smtp-Source: ADUXVKKiZMtMG6fNxlcTu0oogVUHt3TGeKXW0xnh4gQAHfgwB1hE7DT7aMx4o/+ZxYMk5+/IrbgwBH9+RQAlbtI3jEM= X-Received: by 2002:a81:b70b:: with SMTP id v11-v6mr2902335ywh.182.1528447501957; Fri, 08 Jun 2018 01:45:01 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:a25:ef50:0:0:0:0:0 with HTTP; Fri, 8 Jun 2018 01:44:31 -0700 (PDT) In-Reply-To: References: <201806080540.w585ebLL027537@repo.freebsd.org> From: Eitan Adler Date: Fri, 8 Jun 2018 01:44:31 -0700 Message-ID: Subject: Re: svn commit: r334830 - in head/sys: kern net vm To: Mateusz Guzik Cc: src-committers , svn-src-all@freebsd.org, svn-src-head@freebsd.org Content-Type: text/plain; charset="UTF-8" X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 Jun 2018 08:45:03 -0000 On 8 June 2018 at 01:31, Eitan Adler wrote: > On 7 June 2018 at 22:40, Mateusz Guzik wrote: >> Modified: head/sys/vm/uma_core.c >> ============================================================================== >> --- head/sys/vm/uma_core.c Fri Jun 8 05:17:06 2018 (r334829) >> +++ head/sys/vm/uma_core.c Fri Jun 8 05:40:36 2018 (r334830) >> @@ -2257,7 +2257,8 @@ uma_zalloc_arg(uma_zone_t zone, void *udata, int flags >> KASSERT(curthread->td_critnest == 0 || SCHEDULER_STOPPED(), >> ("uma_zalloc_arg: called with spinlock or critical section held")); >> if (zone->uz_flags & UMA_ZONE_PCPU) >> - MPASS((flags & M_ZERO) == 0); >> + KASSERT((flags & M_ZERO) == 0, ("allocating from a pcpu zone " >> + "with M_ZERO passed")); > > After this I get a panic (inverted order) > > Panic: flags & MZERO @ uma_core.c line 2260 > > fast_syscall_common > amd64_syscall > sys_ioctl > kern_ioctl > if_up > in6_attach > in6_update_ifa > rtinit > rtrequest1_fib > uma_zalloc_arg > zone_import > zone_fetch_slab > keg_fetch_slab > keb_alloc_slab > rtentry_zinit > counter_u64_alloc > uma_zalloc_arg > ... ofc, kgdb has an internal error trying to open the core. -- Eitan Adler