From nobody Wed Jun 22 04:59:01 2022 X-Original-To: freebsd-hackers@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 6B213861B59 for ; Wed, 22 Jun 2022 04:59:20 +0000 (UTC) (envelope-from sgk@troutmask.apl.washington.edu) Received: from troutmask.apl.washington.edu (troutmask.apl.washington.edu [128.95.76.21]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "troutmask", Issuer "troutmask" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4LSWPy5xW2z3KMt; Wed, 22 Jun 2022 04:59:18 +0000 (UTC) (envelope-from sgk@troutmask.apl.washington.edu) Received: from troutmask.apl.washington.edu (localhost [127.0.0.1]) by troutmask.apl.washington.edu (8.16.1/8.16.1) with ESMTPS id 25M4x1JR043860 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Tue, 21 Jun 2022 21:59:01 -0700 (PDT) (envelope-from sgk@troutmask.apl.washington.edu) Received: (from sgk@localhost) by troutmask.apl.washington.edu (8.16.1/8.16.1/Submit) id 25M4x1bL043859; Tue, 21 Jun 2022 21:59:01 -0700 (PDT) (envelope-from sgk) Date: Tue, 21 Jun 2022 21:59:01 -0700 From: Steve Kargl To: Warner Losh Cc: Stefan Blachmann , Emmanuel Vadot , Ed Maste , Poul-Henning Kamp , FreeBSD Hackers Subject: Re: Reasons for keeping sc(4) and libvgl ? Message-ID: Reply-To: sgk@troutmask.apl.washington.edu References: <20211126160454.3eb827365a02103169ab9adc@bidouilliste.com> <20220621201924.e9b96876c947140ac1f3b7a4@bidouilliste.com> <3d09c86a-9840-f8bf-4725-8098d958a01d@plan-b.pwste.edu.pl> <202206211901.25LJ1uBd067376@critter.freebsd.dk> <20220622044923.6e2fac81c1e8205872d9de11@bidouilliste.com> List-Id: Technical discussions relating to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-hackers List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-hackers@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Queue-Id: 4LSWPy5xW2z3KMt X-Spamd-Bar: + Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=fail reason="No valid SPF, No valid DKIM" header.from=washington.edu (policy=none); spf=none (mx1.freebsd.org: domain of sgk@troutmask.apl.washington.edu has no SPF policy when checking 128.95.76.21) smtp.mailfrom=sgk@troutmask.apl.washington.edu X-Spamd-Result: default: False [1.09 / 15.00]; HAS_REPLYTO(0.00)[sgk@troutmask.apl.washington.edu]; ARC_NA(0.00)[]; DMARC_POLICY_SOFTFAIL(0.10)[washington.edu : No valid SPF, No valid DKIM,none]; MID_RHS_MATCH_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; NEURAL_SPAM_SHORT(0.02)[0.024]; NEURAL_HAM_LONG(-0.94)[-0.937]; MIME_GOOD(-0.10)[text/plain]; REPLYTO_ADDR_EQ_FROM(0.00)[]; NEURAL_SPAM_MEDIUM(1.00)[1.000]; RCPT_COUNT_FIVE(0.00)[6]; SUBJECT_ENDS_QUESTION(1.00)[]; TO_DN_ALL(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; MLMMJ_DEST(0.00)[freebsd-hackers]; R_SPF_NA(0.00)[no SPF record]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:73, ipnet:128.95.0.0/16, country:US]; FREEMAIL_CC(0.00)[gmail.com,bidouilliste.com,freebsd.org,phk.freebsd.dk]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-ThisMailContainsUnwantedMimeParts: N On Tue, Jun 21, 2022 at 10:55:01PM -0600, Warner Losh wrote: > On Tue, Jun 21, 2022, 9:47 PM Stefan Blachmann wrote: > > > I would kindly ask to stop pushing for removal of sc. > > > > It will die soon enough if it doesn't become giant locked soon... > > Warner > Are you deleting vt, too? % grep -i giant /var/run/dmesg.boot atkbd0: [GIANT-LOCKED] WARNING: Device "fb" is Giant locked and may be deleted before FreeBSD 14.0. lock order reversal: (Giant after non-sleepable) 2nd 0xffffffff80c02840 Giant (Giant, sleep mutex) @ /usr/src/sys/kern/kern_synch.c:232 lock order Giant -> vtdev established at: lock order vtdev -> Giant attempted at: -- Steve