Date: Sat, 11 Apr 2015 14:44:05 +0530 From: Pratik Singhal <ps06756@gmail.com> To: Ulrich Grey <usenet@ulrich-grey.de> Cc: freebsd-hackers <freebsd-hackers@freebsd.org>, "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org>, Ian Lepore <ian@freebsd.org> Subject: Re: pmap_demote_section: No l2_bucket for wired mapping panic Message-ID: <CAGf2gkPH2Q5qPdn4Oy1wM2%2BSOro2WoZmwk8W3L2HM7b0cVSR%2Bg@mail.gmail.com> In-Reply-To: <20150411084630.e424b59c1c327add498721e2@ulrich-grey.de> References: <CAGf2gkObDLv1-hWV=TmDOYuDr4FZTnpkZaKXxvBZxiqix4kHvg@mail.gmail.com> <CAFHCsPUrzm=UkGe_0gvzOmVTTxLPT=as5N-=zWJxKeJKfaUVvg@mail.gmail.com> <CAGf2gkOG_xGCXY5VyEWLq-rMM6iN_A2=6%2BDftAMa63MLcTX00Q@mail.gmail.com> <1428718809.1182.31.camel@freebsd.org> <20150411081427.2f4fc14feb08cee948734d66@ulrich-grey.de> <20150411084630.e424b59c1c327add498721e2@ulrich-grey.de>
next in thread | previous in thread | raw e-mail | index | archive | help
It seems that the issue is resolved for now, as many people suspected I was using the wrong kernel. I was making the changes in the different config file than the one from which the kernel was being compiled. I again recompiled the kenrel, this time correctly and the issue is resolved now. Regards, Pratik Singhal On Sat, Apr 11, 2015 at 2:16 PM, Ulrich Grey <usenet@ulrich-grey.de> wrote: > > sysctl vm.pmap.pte1.promotions > > It's the figure "1" not the letter "l"! > ------------------------------------------ > On Sat, 11 Apr 2015 08:14:27 +0000 > Ulrich Grey <usenet@ulrich-grey.de> wrote: > > > This kernel is running ARM_NEW_PMAP: > > > > root@wqtest:/usr/home/gwgpi # sysctl vm.pmap. > > vm.pmap.pv_entry_spare: 10379 > > vm.pmap.pv_entry_allocs: 1486593921 > > vm.pmap.pv_entry_frees: 1486577084 > > vm.pmap.pc_chunk_tryfail: 0 > > vm.pmap.pc_chunk_frees: 5598313 > > vm.pmap.pc_chunk_allocs: 5598394 > > vm.pmap.pc_chunk_count: 81 > > vm.pmap.pv_entry_count: 16837 > > vm.pmap.pte1.promotions: 3530 > > vm.pmap.pte1.p_failures: 20352 > > vm.pmap.pte1.mappings: 721715 > > vm.pmap.pte1.demotions: 508 > > vm.pmap.sp_enabled: 1 > > vm.pmap.nkpt2pg: 32 > > vm.pmap.shpgperproc: 200 > > vm.pmap.pv_entry_max: 1745184 > > root@wqtest:/usr/home/gwgpi # > > ---------------------------------- > > On Fri, 10 Apr 2015 20:20:09 -0600 > > Ian Lepore <ian@freebsd.org> wrote: > > > > > Reply at the bottom, where it belongs. > > > > > > On Sat, 2015-04-11 at 06:58 +0530, Pratik Singhal wrote: > > > > I have double checked everything, recompiled kernel from scratch > imade sure > > > > that I ncluded the line "options ARM_NEW_PMAP" in the kernel > configuration > > > > file and I am still getting the same panic. > > > > > > > > Is there something at runtime that I can do to make sure that the > kernel I > > > > am running is compiled with ARM_NEW_PMAP ? > > > > > > > > > > > > > > > > On Sat, Apr 11, 2015 at 4:31 AM, Svatopluk Kraus <onwahe@gmail.com> > wrote: > > > > > > > > > The point of ARM_NEW_PMAP option is that there are no l2_buckets in > > > > > new armv6 pmap. So, as long as you get same panic, you are not > running > > > > > kernel compiled with ARM_NEW_PMAP option. > > > > > > > > > > Svatopluk Kraus > > > > > > > > > > > > > [...] > > > > > > > > > > > > From the announcement of the ARM_NEW_PMAP option... > > > > > > If you need to check whether the new or old code is running on > a > > > system, use "sysctl vm.pmap.pte1.promotions", if that gives an > > > "unknown oid" error you're running the old code. > > > > > > Other evidence: > > > > > > revolution > grep l2_bucket pmap-v6-new.c > > > revolution > > > > > > > You can't be getting a panic about l2_bucket stuff from code that > > > doesn't have anything in it about l2 buckets. Something must have gone > > > wrong with the way you built and installed the new kernel. > > > > > > -- Ian > > > > > > > > > _______________________________________________ > > > freebsd-arm@freebsd.org mailing list > > > http://lists.freebsd.org/mailman/listinfo/freebsd-arm > > > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" > > _______________________________________________ > > freebsd-arm@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-arm > > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" > _______________________________________________ > freebsd-arm@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" > -- Regards, Pratik Singhal
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAGf2gkPH2Q5qPdn4Oy1wM2%2BSOro2WoZmwk8W3L2HM7b0cVSR%2Bg>