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[184.147.207.195]) by smtp.gmail.com with ESMTPSA id l69sm2435664qke.112.2020.06.11.07.43.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Jun 2020 07:43:04 -0700 (PDT) Sender: Mark Johnston Date: Thu, 11 Jun 2020 10:42:59 -0400 From: Mark Johnston To: David Wolfskill Cc: Konstantin Belousov , current@freebsd.org Subject: Re: Panic "vm_fault_lookup: fault on nofault entry" amd64 r362008 -> r362045 Message-ID: <20200611144259.GA32928@raichu> References: <20200611130500.GW1392@albert.catwhisker.org> <20200611132129.GL48478@kib.kiev.ua> <20200611132924.GX1392@albert.catwhisker.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200611132924.GX1392@albert.catwhisker.org> X-Rspamd-Queue-Id: 49jRRZ2C05z3WH7 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=RQout4Sd; dmarc=none; spf=pass (mx1.freebsd.org: domain of markjdb@gmail.com designates 2607:f8b0:4864:20::82c as permitted sender) smtp.mailfrom=markjdb@gmail.com X-Spamd-Result: default: False [-2.47 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36:c]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[gmail.com:+]; NEURAL_HAM_SHORT(-0.75)[-0.751]; FORGED_SENDER(0.30)[markj@freebsd.org,markjdb@gmail.com]; RECEIVED_SPAMHAUS_PBL(0.00)[184.147.207.195:received]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; FROM_NEQ_ENVFROM(0.00)[markj@freebsd.org,markjdb@gmail.com]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.02)[-1.022]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; NEURAL_HAM_LONG(-1.00)[-0.997]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[current@freebsd.org]; DMARC_NA(0.00)[freebsd.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::82c:from]; MID_RHS_NOT_FQDN(0.50)[]; FREEMAIL_CC(0.00)[gmail.com,freebsd.org]; RCVD_TLS_ALL(0.00)[] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Jun 2020 14:43:07 -0000 On Thu, Jun 11, 2020 at 06:29:24AM -0700, David Wolfskill wrote: > On Thu, Jun 11, 2020 at 04:21:29PM +0300, Konstantin Belousov wrote: > > ... > > The link times out. > > Sigh. Sorry about that; I have copied the images to > freefall:~dhw/head/r362045/ . > > > There is not much to access in futex_xchgl_resolver() except for the > > data segment. Without full panic message and disassemble of your instance > > of futex_xchgl_resolver() it is not possible to ee what is going on. > > > > Just in case, can you try clean build, if you did -DNO_CLEAN ? > > .... > > I have not used -DNO_CLEAN in years -- I do use META_MODE, though. I > can certainly clean out /usr/obj/* & start a new build (just before I > head out for a bike ride). Since you are preloading some iwm firmware file, it might be worth trying to revert r362035. I don't really see how the change could result in this panic, though.