panic: Assertion td->td_lock == TDQ_LOCKPTR(tdq) failed at /usr/src/sys/kern/sched_ule.c:2137
ronald-lists at klop.ws
Wed Jun 6 18:55:45 UTC 2018
On Sat, 02 Jun 2018 13:40:27 +0200, Ronald Klop <ronald-lists at klop.ws>
> This happened again. Now I have a crashdump.
> Anyone interested?
> Some more answers below.
> On Fri, 01 Jun 2018 17:41:54 +0200, bob prohaska <fbsd at www.zefox.net>
>> On Thu, May 31, 2018 at 05:53:12PM +0200, Ronald Klop wrote:
>>> I had a crash on my RPI-3B+ running freebsd 12/aarch64 from the 29 may
>>> It was building world -j4 and portsnap extract.
>>> I will keep it in the debugger for about an hour so if I need to
>>> more information, please mail me.
>>> db> show panic
>>> panic: Assertion td->td_lock == TDQ_LOCKPTR(tdq) failed at
>> This used to be a fairly common error on my RPI3, but I haven't seen
>> it in some time.
>> As a matter of curiosity, have you been able to run a -j4 buildworld
>> to completion on your RPI3? If so, please post your setup. For several
>> months now all my attempts at j4 buildworld have failed with "killed,
>> out of swap" even though top seems to report minimal swap usage. It
>> even happens with no -j value set at all, but usually restarting with
>> -DNO_CLEAN allowed progress to pick up where it left off.
How do you ever run a -j4 buildworld? My RPI3 starts building clang/llvm
with sometimes 500 MB+ per process so everything starts swapping like hell
and takes forever to run.
>> Alas, as I write this, the kernel just reported
>> Jun 1 08:34:34 www kernel: pid 19399 (c++), uid 0, was killed: out of
>> swap space
>> top is showing
>> Swap: 4096M Total, 17M Used, 4079M Free
>> but since top is alive the value is stale. Nonetheless, I have seen top
>> killed while still showing minimal swap usage.
>> It seems as if the "out of swap" kills are being issued in error..
>> Thanks for reading,
>> bob prohaska
> I just received my RPI3 this week. It is running GENERIC with debug
> options still. Building a -NODEBUG kernel from src didn't succeed yet
> because of the mentioned panic.
> I'm now building with -j2 to be on the safe side.
> After I have the -NODEBUG kernel it will be a bit faster and I will try
> -j4 again.
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