Date: Mon, 22 Nov 2010 05:55:24 +0000 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> To: freebsd-current@freebsd.org Subject: Re: [Call for Tests] PAT issue on Apple hardware Message-ID: <4CEA05CC.4050600@infracaninophile.co.uk> In-Reply-To: <4CE9A83E.8010005@googlemail.com> References: <201011152036.48181.jkim@FreeBSD.org> <201011161530.20165.jkim@FreeBSD.org> <201011191354.25486.jkim@FreeBSD.org> <4CE9A83E.8010005@googlemail.com>
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig3AE12A105A917EA01653036C Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 21/11/2010 23:16, army.of.root wrote: > On 10\11\19 19:54, Jung-uk Kim wrote: >> On Tuesday 16 November 2010 03:30 pm, Jung-uk Kim wrote: >>> On Monday 15 November 2010 08:36 pm, Jung-uk Kim wrote: >>>> Often times I hear complaints like "my Mac hangs after upgrading >>>> to 8.1" or "snapshot CD hangs on my brand new Mac". I know some >>>> of these complaints started happening when we switched to new PAT >>>> layout. It is so puzzling because it never happened on non-Apple >>>> hardware, AFAIK. I really like to fix this problem but I cannot >>>> afford a Mac. :-P >>>> >>>> If you are one of those lucky people, please test the attached >>>> patch and report your hardware model and any improvement or >>>> regression. >>>> >>>> Also, I added a new tunable "vm.pmap.pat_works" so that you can >>>> turn it off from loader (i.e., "set vm.pmap.pat_works=3D0") and >>>> restore old behaviour without recompiling a new kernel. >>> >>> I revised this patch to make it more robust. >>> >>> http://people.freebsd.org/~jkim/pat-current.diff >>> >>> Also, I prepared a patch for stable/8. If you have recent Apple >>> hardware and it hangs with 8.1 or stable/8, please test this patch. >>> >>> http://people.freebsd.org/~jkim/pat-stable.diff >> >> Anyone? I don't want to commit it blindly. :-( >> >> Jung-uk Kim >=20 > <works for me too!> >=20 > Hi, >=20 > I patched the current 8.1-STABLE snapshot CD's kernel and baked it back= > into the iso. >=20 > Before the patch, the kernel would hang, now the livefs cd boots fine o= n > my MacBookPro5,5 (2009 13" alu). >=20 > Thank you so much ! - I love it. >=20 > I attached a dmesg. - Please ask if you need more information, I'd be > happy to help. >=20 > Keep up the awesome work :) >=20 > Thanks Still trying to get the patched 8.1-STABLE built as a release DVD so I can try it out on my MacBookPro, but... =2E.. on the build box, I'm getting problems accessing ZFS snapshots usin= g RELENG_8 from Sat 20th with the pat-stable.diff patches: lucid-nonsense:/:# zfs snapshot -r zroot@20101122-0549 lucid-nonsense:/:# cd /.zfs/snapshot/20101122-0549 /.zfs/snapshot/20101122-0549: Not a directory. lucid-nonsense:/:# zfs list -t all NAME USED AVAIL REFER MOUNTPOINT zroot 25.3G 416G 2.09G legacy zroot@20101122-0549 45K - 2.09G - zroot/tmp 148K 416G 120K /tmp zroot/tmp@20101122-0549 28K - 120K - zroot/usr 12.8G 416G 2.13G /usr zroot/usr@20101122-0549 0 - 2.13G - zroot/usr/home 7.62G 416G 7.62G /usr/home zroot/usr/home@20101122-0549 0 - 7.62G - zroot/usr/obj 1.21G 416G 1.21G /usr/obj zroot/usr/obj@20101122-0549 53K - 1.21G - zroot/usr/ports 1.54G 416G 375M /usr/ports zroot/usr/ports@20101122-0549 0 - 375M - zroot/usr/ports/distfiles 1.04G 416G 1.04G /usr/ports/distfiles zroot/usr/ports/distfiles@20101122-0549 0 - 1.04G - zroot/usr/ports/packages 134M 416G 134M /usr/ports/packages zroot/usr/ports/packages@20101122-0549 0 - 134M - zroot/usr/src 306M 416G 305M /usr/src zroot/usr/src@20101122-0549 504K - 305M - zroot/var 10.3G 416G 297M /var zroot/var@20101122-0549 162K - 297M - zroot/var/crash 21.5K 416G 21.5K /var/crash zroot/var/crash@20101122-0549 0 - 21.5K - zroot/var/db 10.0G 416G 10.0G /var/db zroot/var/db@20101122-0549 0 - 10.0G - zroot/var/db/pkg 10.5M 416G 10.5M /var/db/pkg= zroot/var/db/pkg@20101122-0549 0 - 10.5M - zroot/var/empty 18K 416G 18K /var/empty zroot/var/empty@20101122-0549 0 - 18K - zroot/var/log 3.36M 416G 3.36M /var/log zroot/var/log@20101122-0549 0 - 3.36M - zroot/var/mail 21.5K 416G 21.5K /var/mail zroot/var/mail@20101122-0549 0 - 21.5K - zroot/var/run 114K 416G 97.5K /var/run zroot/var/run@20101122-0549 17K - 97.5K - zroot/var/tmp 371K 416G 371K /var/tmp zroot/var/tmp@20101122-0549 0 - 371K - Possibly coincidental -- I'm building world without the patches now, but I won't know the result until I get back from work this evening. Cheers, Matthew --=20 Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard Flat 3 PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate JID: matthew@infracaninophile.co.uk Kent, CT11 9PW --------------enig3AE12A105A917EA01653036C Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.14 (Darwin) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAkzqBdIACgkQ8Mjk52CukIx6KQCeLmRagBl8JFAJUJTcMn65dxjY +dYAn1y3Q1yqb8+RpzXSgoLTgSMznUHi =dJqU -----END PGP SIGNATURE----- --------------enig3AE12A105A917EA01653036C--
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