Re: Thread 1 "guile" received signal SIGPWR, Power fail/restart.

[Amirouche Boubekki]

On 2018-01-21 05:45, Mark H Weaver wrote:
> Amirouche Boubekki <address@hidden> writes:
>
> > I have a guile crash that I can reproduce all the time so far that 
> > says:
> >
> >   Thread 1 "guile" received signal SIGPWR, Power fail/restart.
>
> SIGPWR is used internally by libgc.  If I recall correctly, it's done 
> to
> suspend all threads within their signal handlers before performing a
> garbage collection.  I can't seem to reproduce this on my system at the
> moment, but as I recall, when this happened in GDB I would simply type
> "c" to continue.  Does that work for you?
>
>       Mark

Indeed:

Thread 1 "guile" received signal SIGPWR, Power fail/restart.
0x00007ffff762b58f in pthread_cond_wait@@GLIBC_2.3.2 () from 
/gnu/store/3h31zsqxjjg52da5gp3qmhkh4x8klhah-glibc-2.25/lib/libpthread.so.0
(gdb) c
Continuing.

Thread 1 "guile" received signal SIGXCPU, CPU time limit exceeded.
0x00007ffff5f386a6 in sigsuspend () from 
/gnu/store/3h31zsqxjjg52da5gp3qmhkh4x8klhah-glibc-2.25/lib/libc.so.6
(gdb) c
Continuing.
[New Thread 0x7fffed9f1700 (LWP 27311)]
[Thread 0x7fffee1f2700 (LWP 27293) exited]

Thanks Mark!