Date: Fri, 4 Mar 2022 17:29:35 -0800 From: Mark Millard <marklmi@yahoo.com> To: bob prohaska <fbsd@www.zefox.net> Cc: freebsd-arm@freebsd.org Subject: Re: Panic while making buildlernel on RPi3 Message-ID: <E30ECA49-14A0-49A1-9B36-BE25FD646CBF@yahoo.com> In-Reply-To: <20220304214836.GA21411@www.zefox.net> References: <20220304214836.GA21411@www.zefox.net>
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On 2022-Mar-4, at 13:48, bob prohaska <fbsd@www.zefox.net> wrote: > 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 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. So I'm not sure how you got: --- ng_pppoe.kld --- ld: error: no input files *** [ng_pppoe.kld] Error code 1 When I looked at the buildkernel.log file provided, it stopped without such: --- all_subdir_netgraph --- Building = /usr/obj/usr/src/arm64.aarch64/sys/GENERIC/modules/usr/src/sys/modules/net= graph/pptpgre/ng_pptpgre.o It had no more. 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: _rm_rlock_debug+0x8c sysctl_root_handler_locked+0x140 sysctl_root+0x1ac userland_sysctl+0x140 with whatever corresponds in the source code. > 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 =3D=3D=3D Mark Millard marklmi at yahoo.com
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