From nobody Tue Jun 3 23:36:51 2025 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 4bBnDR4419z5yJLP for ; Tue, 03 Jun 2025 23:36:55 +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 did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4bBnDR1p9Cz3Nnv for ; Tue, 03 Jun 2025 23:36:54 +0000 (UTC) (envelope-from sgk@troutmask.apl.washington.edu) Authentication-Results: mx1.freebsd.org; none Received: from troutmask.apl.washington.edu (localhost [127.0.0.1]) by troutmask.apl.washington.edu (8.18.1/8.18.1) with ESMTP id 553Napaa012553; Tue, 3 Jun 2025 16:36:51 -0700 (PDT) (envelope-from sgk@troutmask.apl.washington.edu) DKIM-Filter: OpenDKIM Filter v2.10.3 troutmask.apl.washington.edu 553Napaa012553 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=troutmask.apl.washington.edu; s=troutmask; t=1748993811; bh=ihWZhxmMApLmcGl1i9fDavrfwZ8UvWmLCxx/hVj2BzU=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:From; b=D1lf7CqJVLpQvH9wTWeHTeND9lxVnzLhOFtAXqliUGhAUTqK05+LLoljjKldmg0kI gUuztZUCX826NU3frCmXhLCSHmVeEc+otiGuO1knv8aMABrbIOQSxRFQjo6P9zpLOb qxRw99ow/KEeIsOLMWu8puUJrfx68VwvonocrKq3HDXFkW1mVt3DhMMZ3fYHqFlcpt x1NMn1SRcbtl1PpqfbOs3LSSHs3W8rzLd6+5SvV9dwBHCwRnJocdzazImub2Ms/2MQ hlz5WirVcIQRFmKjonVnZe1L0H+rN1ZFAtgHZ5rYtVSzWtlCO9CGctU5ESFiOmru5l 3wEieYmfBktBA== Received: (from sgk@localhost) by troutmask.apl.washington.edu (8.18.1/8.18.1/Submit) id 553Nap9q012552; Tue, 3 Jun 2025 16:36:51 -0700 (PDT) (envelope-from sgk) Date: Tue, 3 Jun 2025 16:36:51 -0700 From: Steve Kargl To: Steve Kargl Cc: freebsd-current@freebsd.org Subject: Re: drm panic after new world Message-ID: Reply-To: sgk@troutmask.apl.washington.edu References: <4699f48c-f042-46fe-8f9a-419e86d51f58@comcast.net> 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=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <4699f48c-f042-46fe-8f9a-419e86d51f58@comcast.net> X-Rspamd-Queue-Id: 4bBnDR1p9Cz3Nnv X-Spamd-Bar: ---- X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:73, ipnet:128.95.0.0/16, country:US] On Tue, Jun 03, 2025 at 08:00:00AM -0700, Steve Kargl wrote: > On 6/3/25 02:56, Matthew Seaman wrote: > > On 02/06/2025 23:35, Steve Kargl wrote: > > > How does one use dates to checkout a particular head? > > > If I'm at the top of HEAD and need to got back to > > > mid-february, what's the easiest option for performing > > > a bisection by hand? > > > > Something like: > > > >   git checkout 'main@{2025-02-14 12:00:00}' > > > > Or you can say things like: > > > >   git checkout 'main@{4 months ago}' > > > > See git-rev-parse(1) > > > >     Cheers, > > > Matthew, Warner, Jamie, > > Thanks for the pointer for date-based checkouts. > > I've read up a bit on 'git bisect' and it was > not clear to me how to use it. The examples I > saw appeared to be an automated binary search > on a single tree. I fear I may need to revert > src/ and ports/ simultaneously. Using hash > strings would see to be a path to madness. > I've managed to rebuild and re-install world/kernel and gpu-firmware and drm-515-kmod from git checkout 'main@{2025-03-15 12:00:00}'. radeonkms.ko loaded as expected and startx brought up the desktop I was expecting. Onward to next candidate. -- Steve