Date: Mon, 22 Jul 2013 14:19:40 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Gustau P??rez i Querol <gperez@entel.upc.edu> Cc: FreeBSD current <freebsd-current@freebsd.org> Subject: Re: Panic when starting X with Intel KMS Message-ID: <20130722111940.GK5991@kib.kiev.ua> In-Reply-To: <51ED0CEC.80307@entel.upc.edu> References: <51E6EB0A.2060407@entel.upc.edu> <51EA5166.4020508@entel.upc.edu> <CAPjTQNG7CBYNMQ4yitXv3Wy81YMk-osqcSH=BB1=HjsOqweszw@mail.gmail.com> <20130721071842.GZ5991@kib.kiev.ua> <51EBAA76.8020100@entel.upc.edu> <20130721185145.GE5991@kib.kiev.ua> <51EC43BA.1000800@entel.upc.edu> <51ED0CEC.80307@entel.upc.edu>
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On Mon, Jul 22, 2013 at 12:43:56PM +0200, Gustau P??rez i Querol wrote:
> >> As a blind shot, try to
> >> revert r252653.
>=20
> r252652 works OK. r252653 panics.
What if, instead of reverting r252653, apply the following:
diff --git a/sys/vm/vm_phys.c b/sys/vm/vm_phys.c
index 66f3b0c..78f07f7 100644
--- a/sys/vm/vm_phys.c
+++ b/sys/vm/vm_phys.c
@@ -547,6 +547,8 @@ vm_phys_fictitious_reg_range(vm_paddr_t start, vm_paddr=
_t end,
pi =3D atop(start);
if (pi >=3D first_page && atop(end) < vm_page_array_size) {
fp =3D &vm_page_array[pi - first_page];
+ for (i =3D 0; i < page_count; i++)
+ fp[i].flags =3D 0;
malloced =3D FALSE;
} else
#endif
?
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