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Hermes SMTP Server) with ESMTPA ID 6754d8ef4762c0bb6816a712fd71dcfa; Fri, 02 Dec 2022 03:13:18 +0000 (UTC) From: Mark Millard Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable List-Id: Discussion related to FreeBSD architecture List-Archive: https://lists.freebsd.org/archives/freebsd-arch List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-arch@freebsd.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3731.200.110.1.12\)) Subject: Re: Giant Locked drivers Message-Id: <9C63C7CB-0416-4F7F-80DB-28C5002A5F36@yahoo.com> Date: Thu, 1 Dec 2022 19:13:08 -0800 To: ehem+freebsd@m5p.com, freebsd-arch X-Mailer: Apple Mail (2.3731.200.110.1.12) References: <9C63C7CB-0416-4F7F-80DB-28C5002A5F36.ref@yahoo.com> X-Spamd-Result: default: False [-3.49 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.99)[-0.986]; MV_CASE(0.50)[]; DMARC_POLICY_ALLOW(-0.50)[yahoo.com,reject]; R_DKIM_ALLOW(-0.20)[yahoo.com:s=s2048]; R_SPF_ALLOW(-0.20)[+ptr:yahoo.com]; MIME_GOOD(-0.10)[text/plain]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_HAS_DN(0.00)[]; TAGGED_RCPT(0.00)[freebsd]; DWL_DNSWL_NONE(0.00)[yahoo.com:dkim]; TO_MATCH_ENVRCPT_SOME(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; ASN(0.00)[asn:36647, ipnet:98.137.64.0/20, country:US]; RCVD_IN_DNSWL_NONE(0.00)[98.137.68.84:from]; RCVD_COUNT_THREE(0.00)[3]; FREEMAIL_FROM(0.00)[yahoo.com]; TO_DN_SOME(0.00)[]; RCVD_TLS_LAST(0.00)[]; DKIM_TRACE(0.00)[yahoo.com:+]; FROM_EQ_ENVFROM(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; FREEMAIL_ENVFROM(0.00)[yahoo.com]; MIME_TRACE(0.00)[0:+]; MLMMJ_DEST(0.00)[freebsd-arch@freebsd.org] X-Rspamd-Queue-Id: 4NNdLX5Yzyz4LL8 X-Spamd-Bar: --- X-ThisMailContainsUnwantedMimeParts: N Elliott Mitchell wrote on Date: Fri, 02 Dec 2022 00:33:00 UTC : > On Tue, Nov 15, 2022 at 10:37:36AM -0700, Warner Losh wrote: > > When set to 0, you get today's behavior. If set to 1, it will no = longer > > allow drivers that don't request MPSAFE interrupt handlers from = registering > > (the interrupt setup will return an error). > >=20 > > This will allow us to understand what is lost if we throw the = switch, and > > allow users to proactively test their systems to see if they are > > affected or not (and if they are, if they want to live without the > > functionality, or want to fund work in the area). > >=20 > > Comments? >=20 > . . . >=20 >=20 > In other news in two handy VMs. On x86: (a full VM with hardware = emulation) >=20 > atkbd0: [GIANT-LOCKED] > psm0: [GIANT-LOCKED] > WARNING: Device "psm" is Giant locked and may be deleted before = FreeBSD 14.0. >=20 > On ARM64: (basically pure VM with no emulated hardware) >=20 > >=20 > So right now everyone is reporting x86 console devices and nothing = else. In = https://lists.freebsd.org/archives/freebsd-arch/2022-November/000290.html I reported that RPi*'s list: WARNING: Device "fb" is Giant locked and may be deleted before FreeBSD = 14.0. The other two types of small board computers that I have access to do not have software support for the video. I've no evidence beyond those tests to know if the issue is specific to the RPi*'s vs. more general. > This suggests the x86 console is urgent for giant removal. Then = perhaps > it will be viable to default to disabled (or perhaps something else = will > float to the top). =3D=3D=3D Mark Millard marklmi at yahoo.com