Date: Wed, 06 Oct 2010 12:46:41 -0500 From: Alan Cox <alc@rice.edu> To: Dave Hayes <dave@jetcafe.org> Cc: alc@freebsd.org, freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: Panic: attempted pmap_enter on 2MB page Message-ID: <4CACB601.6060205@rice.edu> In-Reply-To: <201010050918.o959IR05065727@hugeraid.jetcafe.org> References: <201010030211.o932Bd4C048116@hugeraid.jetcafe.org> <AANLkTikenQoA7UBo_N3bzQJ9ABJSTGL89_Qda_Tu7Wa0@mail.gmail.com> <201010040512.o945CTor092854@hugeraid.jetcafe.org> <4CAABCFD.6050709@rice.edu> <201010050918.o959IR05065727@hugeraid.jetcafe.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Dave Hayes wrote: > Alan Cox <alc@rice.edu> writes: > [snip] >> Is this problem reproducible? I don't recall if you mentioned that >> earlier. >> > > Sort of. > > It seems that everytime I generate a bootable FreeBSD ISO, a die is > rolled. If it comes up a certain number then it crashes, otherwise it's > fine. ;) > > My ISO generation process might be relevant; I create a 600MB ramdisk > (it used to be 512 on FreeBSD 7.3) which loads from the ISO on > boot. This winds up being the root partition. > > As a datapoint the same die roll happens on FreeBSD 7.3 although the > chance of working seems to be greater. > > If you'd like a copy of the ISO to see this for yourself I can make it > available. I'm guessing it will also crash for you in this way modulo > hardware issues. > When you build your kernel for this ISO are you increasing the value of NKPT? Alan
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4CACB601.6060205>