Re: Panic while making buildlernel on RPi3
- Reply: bob prohaska : "Re: Panic while making buildlernel on RPi3"
- In reply to: Mark Millard : "Re: Panic while making buildlernel on RPi3"
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Date: Sat, 05 Mar 2022 01:36:20 UTC
On 2022-Mar-4, at 17:29, Mark Millard <marklmi@yahoo.com> wrote: > 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. >> >> 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 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: > > --- all_subdir_netgraph --- > Building /usr/obj/usr/src/arm64.aarch64/sys/GENERIC/modules/usr/src/sys/modules/netgraph/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 >> http://www.zefox.net/~fbsd/rpi3/crashes/20220304/readme >> but unfortunately I didn't anticipate trouble and so didn't >> capture very much. >> > > === Mark Millard marklmi at yahoo.com