From nobody Tue Dec 14 17:40:42 2021 X-Original-To: freebsd-current@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 632AB18F26E5; Tue, 14 Dec 2021 17:40:49 +0000 (UTC) (envelope-from glebius@freebsd.org) Received: from cell.glebi.us (glebi.us [162.251.186.162]) (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 "cell.glebi.us", Issuer "cell.glebi.us" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4JD5JK0qxTz4SN0; Tue, 14 Dec 2021 17:40:49 +0000 (UTC) (envelope-from glebius@freebsd.org) Received: from cell.glebi.us (localhost [127.0.0.1]) by cell.glebi.us (8.16.1/8.16.1) with ESMTPS id 1BEHegKN005158 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Tue, 14 Dec 2021 09:40:42 -0800 (PST) (envelope-from glebius@freebsd.org) Received: (from glebius@localhost) by cell.glebi.us (8.16.1/8.16.1/Submit) id 1BEHegOp005157; Tue, 14 Dec 2021 09:40:42 -0800 (PST) (envelope-from glebius@freebsd.org) X-Authentication-Warning: cell.glebi.us: glebius set sender to glebius@freebsd.org using -f Date: Tue, 14 Dec 2021 09:40:42 -0800 From: Gleb Smirnoff To: John Baldwin Cc: "freebsd-current@freebsd.org" , x11@freebsd.org Subject: Re: smr inp breaks some jail use cases and panics with i915kms don't switch to the console anymore Message-ID: References: <1db0942e-0e66-4337-ce2f-4e1005107435@FreeBSD.org> <836761df-6eea-462b-9ae7-5d0d00aad38f@FreeBSD.org> List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Queue-Id: 4JD5JK0qxTz4SN0 X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] X-ThisMailContainsUnwantedMimeParts: N On Tue, Dec 14, 2021 at 09:28:07AM -0800, John Baldwin wrote: J> > AFAIK, today it will always panic only with WITNESS. Without WITNESS it would J> > pass through mtx_lock as long as the mutex is not locked. J> J> Yes, but the default kernel on head is GENERIC which has witness enabled, hence J> the out of the box kernel panics reliably. :) J> J> > So, do you suggest to push D33340 before finalizing D33339? J> J> Yes, I think so. Pushed. And I plan to post new version of D33339 today. -- Gleb Smirnoff