cvs commit: src/sys/kern kern_conf.c

[Giorgos Keramidas]

FWIW, reverting revision 1.199 of kern_conf.c locally fixes the
unkillable xterms, stuck in "devdrn", problem.

On 2006-10-19 02:49, Giorgos Keramidas <keramida at freebsd.org> wrote:
>
> Maybe it's not related, but all xterm's seem unkillable and blocked
> forever in "devdrn" here, in a build from 2006.10.18.15.56.11.
> 
> An earlier sync from 2006.10.13.12.45.54 didn't exhibit this behavior,
> so I guess there's something mildly buggy with this change?
> 
> On 2006-10-15 09:15, Martin Blapp <mb at imp.ch> wrote:
> > 
> > Cool, thank you !
> > 
> > Martin
> > 
> > Martin Blapp, <mb at imp.ch> <mbr at FreeBSD.org>
> > ------------------------------------------------------------------
> > ImproWare AG, UNIXSP & ISP, Zurlindenstrasse 29, 4133 Pratteln, CH
> > Phone: +41 61 826 93 00 Fax: +41 61 826 93 01
> > PGP: <finger -l mbr at freebsd.org>
> > PGP Fingerprint: B434 53FC C87C FE7B 0A18 B84C 8686 EF22 D300 551E
> > ------------------------------------------------------------------
> > 
> > On Fri, 13 Oct 2006, Tor Egge wrote:
> > 
> > >tegge       2006-10-13 20:49:24 UTC
> > >
> > > FreeBSD src repository
> > >
> > > Modified files:
> > >   sys/kern             kern_conf.c
> > > Log:
> > > Wait for thread count to reach zero in destroy_devl() even when no purge
> > > method is defined, to avoid memory being modified after free.
> > >
> > > Temporarily increase refcount in destroy_devl() to avoid a double free
> > > if dev_rel() is called while waiting for thread count to reach zero.
> > >
> > > Revision  Changes    Path
> > > 1.199     +6 -0      src/sys/kern/kern_conf.c