Re: Crash with HEAD on amd64 - in setrunnable()

[Andrew Doran <ad%netbsd.org@localhost>]

Hi Paul,

On Sun, Nov 24, 2019 at 07:15:24PM -0800, Paul Goyette wrote:
> On Sun, 24 Nov 2019, Paul Goyette wrote:
> 
> > With a very current kernel, I just got this:
> > 
> > # crash -M /var/crash/netbsd.21.core -N /netbsd.gdb
> > Crash version 9.99.18, image version 9.99.18.
> > System panicked: kernel diagnostic assertion "lwp_locked(l,
> > l->l_cpu->ci_schedstate.spc_lwplock)" failed: file
> > "/build/netbsd-local/src_ro/sys/kern/kern_synch.c", line 910
> > Backtrace from time of crash is available.
> > crash> bt
> > _KERNEL_OPT_NVGA_RASTERCONSOLE() at 0
> > ?() at ffffde890ce0af54
> > vpanic() at vpanic+0x181
> > kern_assert() at kern_assert+0x48
> > setrunnable() at setrunnable+0x179
> > lwp_start() at lwp_start+0xba
> > do_lwp_create() at do_lwp_create+0xa1
> > sys__lwp_create() at sys__lwp_create+0xc1
> > syscall() at syscall+0x28a
> > --- syscall (number 309) ---
> > 45ae46:
> > crash>
> > 
> > 
> > (Obviously, I have a core dump, so I'll be happy to investigate further
> > if anyone has suggestions.)
> 
> Perhaps this is the "potential panic" that ad@ references in this commit
> log message?   :)

Thanks for letting me know.  Yes, that one should be fixed already.

Andrew