cvs commit: src/sys/kern kern_conf.c

Giorgos Keramidas keramida at freebsd.org
Wed Oct 18 16:50:16 PDT 2006


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
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> 
> 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


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