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Sat, 5 Mar 2022 01:36:28 +0000 Received: by kubenode542.mail-prod1.omega.bf1.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 33398913b05d5dbe0f290851f6eea3a7; Sat, 05 Mar 2022 01:36:22 +0000 (UTC) Content-Type: text/plain; charset=us-ascii List-Id: Porting FreeBSD to ARM processors List-Archive: https://lists.freebsd.org/archives/freebsd-arm List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-arm@freebsd.org Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.120.0.1.13\)) Subject: Re: Panic while making buildlernel on RPi3 From: Mark Millard In-Reply-To: Date: Fri, 4 Mar 2022 17:36:20 -0800 Cc: freebsd-arm@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: <29044F99-661A-4C75-9493-28857DAB963F@yahoo.com> References: <20220304214836.GA21411@www.zefox.net> To: bob prohaska X-Mailer: Apple Mail (2.3654.120.0.1.13) X-Rspamd-Queue-Id: 4K9S4N1ctKz4cJZ X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=yahoo.com header.s=s2048 header.b="c87+bJ/m"; 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RCVD_COUNT_TWO(0.00)[2] X-ThisMailContainsUnwantedMimeParts: N Status: O Content-Length: 1848 Lines: 67 On 2022-Mar-4, at 17:29, Mark Millard wrote: > On 2022-Mar-4, at 13:48, bob prohaska wrote: >=20 >> For the first time a panic has occurred while making buildkernel >> on an RPi3. The same machine successfully ran stress2's misc/all.sh >> test suite for a couple of days, so I'm surprised. Granted, that was >> a few updates ago and this is on -current, but still..... buildkernel >> is not the trigger expected. >>=20 >> The backtrace and build logs >=20 > Unfortunately, the crash means that the buffers were not > flushed to media when the problem occurred. The build log > is incomplete compared to what actually built and where > it actually stopped. >=20 > So I'm not sure how you got: >=20 > --- ng_pppoe.kld --- > ld: error: no input files > *** [ng_pppoe.kld] Error code 1 Poorly worded on my part. I mean that I'm not sure how you would know it was "in the same place" when you re-ran. > When I looked at the buildkernel.log file provided, > it stopped without such: >=20 > --- all_subdir_netgraph --- > Building = /usr/obj/usr/src/arm64.aarch64/sys/GENERIC/modules/usr/src/sys/modules/net= graph/pptpgre/ng_pptpgre.o >=20 > It had no more. >=20 >=20 > With the then-running kernel file and its .debug file in > place, it would be possible to dump the instructions > in _rm_rlock_debug(), sysctl_root_handler_locked(), > sysctl_root(), and so on. Someone might then be able to > associate the code around: >=20 > _rm_rlock_debug+0x8c > sysctl_root_handler_locked+0x140 > sysctl_root+0x1ac > userland_sysctl+0x140 >=20 > with whatever corresponds in the source code. >=20 >> are at=20 >> http://www.zefox.net/~fbsd/rpi3/crashes/20220304/readme >> but unfortunately I didn't anticipate trouble and so didn't >> capture very much. >>=20 >=20 >=20 =3D=3D=3D Mark Millard marklmi at yahoo.com